Station Overview Station Location
Station Number NY-CT-6 Latitude 42.092
Station Name Olean 1.2 NE Longitude -78.413
County Cattaraugus Elevation (ft) 1541



Month 30 Yr Avg by PRISM Total Prcp Sum Days Covered By All Observations Daily Prcp Sum Daily Observation Count Multiday Prcp Sum Days Covered by Multiday Observations Multiday Observation Count Days With Prcp Days With Trace Total Snowfall Days With Snowfall Days With Snow On Ground
Oct 10 3.25 4.19 30 4.19 30 0.00 0 0 16 2 0.0 0 0
Nov 10 3.27 2.28 16 2.28 16 0.00 0 0 9 2 0.0 0 0
Dec 10 2.93 5.00 30 4.53 24 0.47 6 2 15 6 22.5 15 24
Jan 11 2.45 1.69 31 1.69 31 0.00 0 0 23 8 34.4 23 27
Feb 11 1.94 4.35 28 4.35 28 0.00 0 0 15 7 35.6 13 26
March 11 2.67 4.82 31 4.82 31 0.00 0 0 15 6 15.3 9 17
April 11 3.12 7.47 30 7.47 30 0.00 0 0 24 2 4.0 1 2
May 11 3.60 8.31 31 6.94 25 1.37 6 1 14 2 0.0 0 0
June 11 4.92 2.75 30 2.75 30 0.00 0 0 13 5 0.0 0 0
July 11 4.37 1.11 31 1.11 31 0.00 0 0 7 3 0.0 0 0
Aug 11 3.88 7.12 31 7.12 31 0.00 0 0 15 2 0.0 0 0
Sept 11 3.79 5.23 30 5.23 30 0.00 0 0 20 1 0.0 0 0
Water Year Totals: 40.19" 54.32" 349 days 52.48" 337 1.84" 12 days 3 186 days 46 days 111.8" 61 days 96 days



Days in Water Year Cell Color Key
        Daily Observation with Prcp         Missing Day
        Multiday Observation         Daily/Multiday Observation Conflict

Day of Year Daily Prcp Multiday Prcp
10/1/2010 1.04
10/2/2010 0.00
10/3/2010 T
10/4/2010 0.00
10/5/2010 0.45
10/6/2010 0.75
10/7/2010 0.23
10/8/2010 0.00
10/9/2010 0.00
10/10/2010 0.00
10/11/2010 0.00
10/12/2010 0.12
10/13/2010 0.00
10/14/2010 0.00
10/15/2010 0.01
10/16/2010 0.02
10/17/2010 0.00
10/18/2010 0.00
10/19/2010 0.01
10/20/2010 T
10/21/2010 0.15
10/22/2010 0.27
10/23/2010 0.04
10/24/2010 0.01
10/25/2010 0.00
10/26/2010 0.53
10/27/2010 0.48
10/28/2010 0.00
10/29/2010 0.07
10/30/2010 0.01
10/31/2010
11/1/2010
11/2/2010
11/3/2010
11/4/2010
11/5/2010
11/6/2010
11/7/2010
11/8/2010
11/9/2010
11/10/2010
11/11/2010
11/12/2010
11/13/2010
11/14/2010
11/15/2010 0.19
11/16/2010 0.00
11/17/2010 0.92
11/18/2010 0.16
11/19/2010 0.05
11/20/2010 0.00
11/21/2010 0.00
11/22/2010 0.00
11/23/2010 0.45
11/24/2010 0.03
11/25/2010 T
11/26/2010 0.45
11/27/2010 T
11/28/2010 0.01
11/29/2010 0.00
11/30/2010 0.02
12/1/2010 3.34
12/2/2010 0.38
12/3/2010 T
12/4/2010 0.05
12/5/2010 0.04
12/6/2010 0.23
12/7/2010 **
12/8/2010 0.39
12/9/2010 0.08
12/10/2010 T
12/11/2010 T
12/12/2010 0.05
12/13/2010 0.13
12/14/2010 0.07
12/15/2010 0.03
12/16/2010 0.07
12/17/2010 0.02
12/18/2010 **
12/19/2010 **
12/20/2010 **
12/21/2010 0.08
12/22/2010 T
12/23/2010 0.01
12/24/2010 0.01
12/25/2010 T
12/26/2010 0.02
12/27/2010 M
12/28/2010 T
12/29/2010 0.00
12/30/2010 0.00
12/31/2010 0.00
Day of YearDaily PrcpMultiday Prcp
1/1/2011 0.03
1/2/2011 0.30
1/3/2011 T
1/4/2011 T
1/5/2011 0.06
1/6/2011 0.02
1/7/2011 0.13
1/8/2011 0.07
1/9/2011 0.04
1/10/2011 T
1/11/2011 T
1/12/2011 0.19
1/13/2011 0.05
1/14/2011 0.01
1/15/2011 0.02
1/16/2011 0.10
1/17/2011 T
1/18/2011 T
1/19/2011 0.06
1/20/2011 0.02
1/21/2011 0.24
1/22/2011 0.02
1/23/2011 0.05
1/24/2011 T
1/25/2011 0.03
1/26/2011 T
1/27/2011 0.01
1/28/2011 0.10
1/29/2011 0.04
1/30/2011 0.09
1/31/2011 0.01
2/1/2011 0.33
2/2/2011 0.41
2/3/2011 0.17
2/4/2011 T
2/5/2011 0.00
2/6/2011 0.14
2/7/2011 T
2/8/2011 0.28
2/9/2011 0.01
2/10/2011 T
2/11/2011 0.00
2/12/2011 0.02
2/13/2011 0.05
2/14/2011 0.00
2/15/2011 0.07
2/16/2011 0.00
2/17/2011 T
2/18/2011 T
2/19/2011 0.01
2/20/2011 T
2/21/2011 0.70
2/22/2011 0.00
2/23/2011 0.00
2/24/2011 T
2/25/2011 0.41
2/26/2011 0.37
2/27/2011 0.14
2/28/2011 1.24
3/1/2011 0.04
3/2/2011 T
3/3/2011 T
3/4/2011 0.00
3/5/2011 0.02
3/6/2011 1.26
3/7/2011 0.15
3/8/2011 0.00
3/9/2011 0.00
3/10/2011 0.63
3/11/2011 0.67
3/12/2011 0.07
3/13/2011 T
3/14/2011 T
3/15/2011 0.00
3/16/2011 0.18
3/17/2011 0.01
3/18/2011 T
3/19/2011 0.00
3/20/2011 0.00
3/21/2011 0.61
3/22/2011 0.01
3/23/2011 0.73
3/24/2011 0.20
3/25/2011 T
3/26/2011 0.01
3/27/2011 0.00
3/28/2011 0.00
3/29/2011 0.00
3/30/2011 0.00
3/31/2011 0.23
Day of YearDaily PrcpMultiday Prcp
4/1/2011 0.01
4/2/2011 0.02
4/3/2011 T
4/4/2011 0.15
4/5/2011 1.07
4/6/2011 0.01
4/7/2011 0.83
4/8/2011 0.00
4/9/2011 0.02
4/10/2011 0.00
4/11/2011 0.00
4/12/2011 0.02
4/13/2011 1.08
4/14/2011 0.08
4/15/2011 0.00
4/16/2011 0.27
4/17/2011 0.35
4/18/2011 0.06
4/19/2011 0.17
4/20/2011 0.75
4/21/2011 0.03
4/22/2011 T
4/23/2011 1.00
4/24/2011 0.05
4/25/2011 0.23
4/26/2011 0.36
4/27/2011 0.22
4/28/2011 0.61
4/29/2011 0.03
4/30/2011 0.05
5/1/2011 0.00
5/2/2011 0.10
5/3/2011 0.53
5/4/2011 0.95
5/5/2011 T
5/6/2011 0.00
5/7/2011 0.01
5/8/2011 0.01
5/9/2011 0.00
5/10/2011 0.00
5/11/2011 0.00
5/12/2011 0.00
5/13/2011 0.00
5/14/2011 0.93
5/15/2011 0.40
5/16/2011 0.66
5/17/2011 **
5/18/2011 **
5/19/2011 **
5/20/2011 **
5/21/2011 **
5/22/2011 1.37
5/23/2011 T
5/24/2011 1.66
5/25/2011 0.01
5/26/2011 0.63
5/27/2011 0.01
5/28/2011 0.32
5/29/2011 0.00
5/30/2011 0.72
5/31/2011 0.00
6/1/2011 0.00
6/2/2011 T
6/3/2011 0.00
6/4/2011 0.00
6/5/2011 0.31
6/6/2011 0.00
6/7/2011 0.10
6/8/2011 0.13
6/9/2011 0.00
6/10/2011 0.00
6/11/2011 T
6/12/2011 0.24
6/13/2011 0.00
6/14/2011 0.01
6/15/2011 0.01
6/16/2011 0.00
6/17/2011 0.53
6/18/2011 T
6/19/2011 0.00
6/20/2011 0.00
6/21/2011 0.01
6/22/2011 0.36
6/23/2011 0.34
6/24/2011 0.28
6/25/2011 0.42
6/26/2011 0.01
6/27/2011 T
6/28/2011 0.00
6/29/2011 T
6/30/2011 0.00
Day of YearDaily PrcpMultiday Prcp
7/1/2011 0.00
7/2/2011 0.00
7/3/2011 0.00
7/4/2011 0.00
7/5/2011 0.00
7/6/2011 0.00
7/7/2011 0.10
7/8/2011 0.09
7/9/2011 0.10
7/10/2011 0.00
7/11/2011 0.00
7/12/2011 0.00
7/13/2011 0.00
7/14/2011 0.00
7/15/2011 0.00
7/16/2011 0.00
7/17/2011 0.00
7/18/2011 0.00
7/19/2011 0.00
7/20/2011 0.00
7/21/2011 0.00
7/22/2011 0.00
7/23/2011 0.00
7/24/2011 0.08
7/25/2011 T
7/26/2011 0.33
7/27/2011 T
7/28/2011 0.00
7/29/2011 0.40
7/30/2011 T
7/31/2011 0.01
8/1/2011 T
8/2/2011 0.00
8/3/2011 0.01
8/4/2011 0.63
8/5/2011 0.00
8/6/2011 0.52
8/7/2011 0.30
8/8/2011 0.02
8/9/2011 T
8/10/2011 1.36
8/11/2011 0.16
8/12/2011 0.00
8/13/2011 0.00
8/14/2011 0.02
8/15/2011 1.82
8/16/2011 0.05
8/17/2011 0.00
8/18/2011 0.00
8/19/2011 0.02
8/20/2011 0.12
8/21/2011 0.65
8/22/2011 0.05
8/23/2011 0.00
8/24/2011 0.00
8/25/2011 1.39
8/26/2011 0.00
8/27/2011 0.00
8/28/2011 0.00
8/29/2011 0.00
8/30/2011 0.00
8/31/2011 0.00
9/1/2011 1.48
9/2/2011 0.07
9/3/2011 0.00
9/4/2011 0.06
9/5/2011 1.01
9/6/2011 0.26
9/7/2011 0.25
9/8/2011 0.01
9/9/2011 0.08
9/10/2011 0.01
9/11/2011 0.05
9/12/2011 0.19
9/13/2011 0.00
9/14/2011 0.28
9/15/2011 0.35
9/16/2011 0.04
9/17/2011 0.00
9/18/2011 0.00
9/19/2011 0.00
9/20/2011 0.28
9/21/2011 0.00
9/22/2011 0.04
9/23/2011 0.00
9/24/2011 0.13
9/25/2011 0.00
9/26/2011 0.00
9/27/2011 0.01
9/28/2011 0.32
9/29/2011 0.31
9/30/2011 T



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2010 8:00 AM 1.04 0.0 M 0.0 M 52°F and overcast. Rain much of yesterday.
10/2/2010 8:00 AM 0.00 0.0 M 0.0 M
10/3/2010 8:00 AM T 0.0 M 0.0 M
10/4/2010 8:00 AM 0.00 0.0 M 0.0 M 43°F and overcast. Starting to sprinkle shortly after observation time.
10/5/2010 8:00 AM 0.45 0.0 M 0.0 M 44°F and sprinkling. Rain much of yesterday.
10/6/2010 8:00 AM 0.75 0.0 M 0.0 M 46°F light rain. Rain again much of yesterday and overnight.
10/7/2010 8:00 AM 0.23 0.0 M 0.0 M 51°F and cloudy.
10/8/2010 8:00 AM 0.00 0.0 M 0.0 M 38°F and fog.
10/9/2010 8:00 AM 0.00 0.0 M 0.0 M
10/10/2010 8:00 AM 0.00 0.0 M 0.0 M
10/11/2010 8:00 AM 0.00 0.0 M 0.0 M 47°F and fog.
10/12/2010 8:00 AM 0.12 0.0 M 0.0 M 51° mostly cloudy. Thunderstorms yesterday late afternoon and evening.
10/13/2010 8:00 AM 0.00 0.0 M 0.0 M 32°F and fog.
10/14/2010 8:00 AM 0.00 0.0 M 0.0 M 40°F and overcast. Sprinkling started just after 8:00 A.M. observation.
10/15/2010 8:00 AM 0.01 0.0 M 0.0 M 39°F sun and clouds.
10/16/2010 8:00 AM 0.02 0.0 M 0.0 M
10/17/2010 8:00 AM 0.00 0.0 M 0.0 M 36°F, partly cloudy.
10/18/2010 8:00 AM 0.00 0.0 M 0.0 M 37°F and cloudy. Very windy the past couple of days.
10/19/2010 8:00 AM 0.01 0.0 M 0.0 M 41°F and drizzle.
10/20/2010 8:00 AM T 0.0 M 0.0 M 33°F, clear sky. Frost on the grass.
10/21/2010 8:00 AM 0.15 0.0 M 0.0 M 39°F and cloudy.
10/22/2010 6:30 AM 0.27 T M 0.0 M Overcast with light snow, no accumulation. Showers off and on yesterday, including what looked like graupel mixed with rain a few times.
10/23/2010 8:00 AM 0.04 0.0 M 0.0 M 32°F and partly cloudy.
10/24/2010 8:00 AM 0.01 0.0 M 0.0 M 46°F and partly cloudy.
10/25/2010 8:00 AM 0.00 0.0 M 0.0 M 58°F and overcast.
10/26/2010 7:00 AM 0.53 0.0 M 0.0 M 58°F and cloudy. Rain much of yesterday.
10/27/2010 8:00 AM 0.48 0.0 M 0.0 M 48°F and mostly sunny. Rain yesterday late afternoon through evening.
10/28/2010 8:00 AM 0.00 0.0 M 0.0 M 58°F Clear, windy, with nice sunrise just before obs. time.
10/29/2010 8:00 AM 0.07 0.0 M 0.0 M 40°F Cloudy and lightly sprinkling. Very windy yesterday.
10/30/2010 8:00 AM 0.01 0.0 M 0.0 M
11/15/2010 8:00 AM 0.19 0.0 M 0.0 M 30°F and fog. Rain yesterday.
11/16/2010 8:00 AM 0.00 0.0 M 0.0 M 35°F and overcast.
11/17/2010 8:00 AM 0.92 0.0 M 0.0 M 44°F with drizzle.
11/18/2010 8:00 AM 0.16 0.0 M 0.0 M 40°F and overcast. Windy yesterday, with gusts up to 40 mph.
11/19/2010 8:00 AM 0.05 T M 0.0 M 31°F and cloudy. Some graupel yesterday and a trace of snow overnight.
11/20/2010 8:00 AM 0.00 0.0 M 0.0 M 43°F and cloudy.
11/21/2010 8:00 AM 0.00 0.0 M 0.0 M 28°F and mostly cloudy.
11/22/2010 8:00 AM 0.00 0.0 M 0.0 M 48°F and partly cloudy.
11/23/2010 7:15 AM 0.45 0.0 M 0.0 M 54° and cloudy. Thunderstorms over night.
11/24/2010 8:00 AM 0.03 T M 0.0 M
11/25/2010 8:00 AM T T M 0.0 M
11/26/2010 8:00 AM 0.45 T M 0.0 M
11/27/2010 8:00 AM T T M T M Gusty wind interfered with snowboard and rain gauge measurements.
11/28/2010 8:00 AM 0.01 T M T M
11/29/2010 8:00 AM 0.00 0.0 M 0.0 M 23° and clear skies
11/30/2010 8:00 AM 0.02 0.0 M 0.0 M 42°F with drizzle.
12/1/2010 8:00 AM 3.34 T M 0.0 M 34°F Rain changing to snow at obs. Rain much of yesterday and last night with temperatures in the mid-50's.
12/2/2010 8:00 AM 0.38 3.5 M 3.0 M 24° and overcast. Snow yesterday, with some early rain, so accumulation measurement may be slightly lower than what actually fell.
12/3/2010 8:00 AM T 0.6 M 3.0 M 23°F and light snow.
12/4/2010 9:00 AM 0.05 0.6 M 3.5 M Snow fall total was measured at observation time. Periodic accumulation measurements weren't made because light snow fell off and on throughout the observing period, including overnight. Inevitably some settling occurred.
12/5/2010 9:00 AM 0.04 2.0 M 4.0 M 21°F with light snow. As with yesterday's measurements, there was a nearly continuous light, fluffy snow on and off through the past day without repeated measurements. The snowfall measurement today is likely a bit lower than actual due to settling.
12/6/2010 8:00 AM 0.23 6.9 M 9.5 M 23°F and light snow.
12/9/2010 8:00 AM 0.08 2.2 M 11.5 M 15°F with light snow at obs. Snow, sometimes just a trace but up to several inches per day, has fallen on 14 of the last 16 days. Nearby areas have reportedly received over 40".
12/10/2010 8:00 AM T 0.3 M 7.5 M 20°F and overcast.
12/11/2010 8:00 AM T 0.1 M 4.5 M
12/12/2010 9:00 AM 0.05 0.0 M 2.5 M 38°F and drizzle. Sun and 40°F yesterday significantly lowered depth of snow on the ground.
12/13/2010 8:00 AM 0.13 T M 1.0 M 19°F with light snow. Most of the precip. came from rain yesterday.
12/14/2010 8:00 AM 0.07 1.0 M 1.0 M 11°F with light snow. High winds yesterday and overnight make snow measurements somewhat inaccurate.
12/15/2010 8:00 AM 0.03 1.2 M 2.0 M 14°F with light snow. Again, gusty winds much of yesterday made accurate snow measurements difficult.
12/16/2010 8:00 AM 0.07 2.0 M 3.5 M 16°F and light snow falling. Fluffy snow on and off yesterday and overnight.
12/17/2010 8:00 AM 0.02 0.6 M 4.0 M 21F and once again snowing lightly.
12/22/2010 8:00 AM T T M 3.5 M 19°F and overcast.
12/23/2010 8:00 AM 0.01 0.2 M 3.0 M 25°F with light snow. Fluffy snow and wind probably affected accuracy of new snow measurements.
12/24/2010 8:00 AM 0.01 T M 3.0 M 23°F and cloudy.
12/25/2010 8:00 AM T T M 3.0 M 21F with light snow.
12/26/2010 9:00 AM 0.02 0.8 M 4.0 M
12/27/2010 8:00 AM M 0.5 M 4.0 M
12/28/2010 8:00 AM T T M 4.0 M 24°F and cloudy.
12/29/2010 8:00 AM 0.00 0.0 M 3.0 M 23°F and overcast.
12/30/2010 8:00 AM 0.00 0.0 M 2.5 M 9°F and clear.
12/31/2010 8:00 AM 0.00 0.0 M 2.5 M 35°F with sun and clouds.
1/1/2011 9:00 AM 0.03 0.0 M T M 43°F and drizzle. Warm temps and some rain melted most of the snow on the ground.
1/2/2011 8:00 AM 0.30 0.0 M T M 29°F and partly sunny. Only a few isolated patches of snow on the ground.
1/3/2011 8:00 AM T 0.1 M T M 19°F and snowing lightly under mostly cloudy sky with an occasional glimpse of the Sun.
1/4/2011 8:00 AM T T M T M 27°F and mostly cloudy. Trace of snow yesterday morning just after observation.
1/5/2011 8:00 AM 0.06 2.3 M 2.0 M 22°F and light snow. Snow fell mostly overnight.
1/6/2011 8:00 AM 0.02 0.6 M 1.5 M 9°F and lightly snowing.
1/7/2011 8:00 AM 0.13 3.8 M 4.5 M 14°F partly cloudy. Light, fluffy snow on and off over the past 24 hours
1/8/2011 8:00 AM 0.07 0.7 M 3.5 M
1/9/2011 8:00 AM 0.04 1.0 M 3.0 M 18°F sun, clouds, and faint snow in the air.
1/10/2011 8:00 AM T T M 3.0 M 15°F Mostly sunny with high, thin clouds.
1/11/2011 8:00 AM T T M 3.0 M 18°F overcast
1/12/2011 8:00 AM 0.19 2.7 M 5.0 M 18°F still snowing lightly.
1/13/2011 8:00 AM 0.05 2.3 M 6.5 M 11°F and snowing.
1/14/2011 8:00 AM 0.01 0.8 M 6.0 M 10°F light snow under partly cloudy sky.
1/15/2011 8:00 AM 0.02 0.5 M 5.5 M 19°F cloudy.
1/16/2011 9:00 AM 0.10 4.8 M 8.0 M 18°F and light snow.
1/17/2011 8:00 AM T T M 6.5 0.84 2°F Clear, calm, and cold.
1/18/2011 8:00 AM T 0.2 M 6.0 M 27F and overcast. Light overnight snow.
1/19/2011 8:00 AM 0.06 T M 4.5 M 31°F overcast. A thin coating of ice/snow overnight.
1/20/2011 8:00 AM 0.02 0.3 M 4.5 M 18°F light snow falling.
1/21/2011 8:00 AM 0.24 4.0 M 8.0 M 15°F snowing, windy. Gusty winds affected accuracy of today's measurements.
1/22/2011 9:00 AM 0.02 1.4 M 6.5 M 0°F clear and calm. Wind yesterday (peak gust 37mph) and blowing snow affected accuracy of today's measurements, which are averages of several individual measurements.
1/23/2011 9:00 AM 0.05 1.5 M 6.5 M 9°F clouds and sun.
1/24/2011 8:00 AM T 0.2 M 6.5 M -16° clear, and calm. Light snow yesterday morning, but clear most of the day and overnight, and very cold.
1/25/2011 8:00 AM 0.03 0.6 M 6.0 M 29°F overcast. Overnight snow.
1/26/2011 8:00 AM T T M 5.5 M 26°F overcast.
1/27/2011 9:00 AM 0.01 0.3 M 5.5 M
1/28/2011 8:00 AM 0.10 2.5 M 8.0 M 23°F with light snow falling.
1/29/2011 9:00 AM 0.04 1.4 M 9.0 M 23F and snowing.
1/30/2011 9:00 AM 0.09 2.2 M 9.0 M 23°F and lightly snowing
1/31/2011 8:00 AM 0.01 0.2 M 9.0 M -4°F mostly clear, calm. 29 days with snow in January. (6 days with only a trace.)
2/1/2011 7:45 AM 0.33 3.8 M M M 14°F light snow.
2/2/2011 8:00 AM 0.41 0.4 M 11.0 M 34°F at obs, with misty rain. Overnight accumulation of sleet/snow mix was measured at 0.4 inches, but did some of it melt?
2/3/2011 8:00 AM 0.17 2.5 M 11.5 M 8°F Looking towards sun, there are faint ice crystals falling in an otherwise clear sky. Rain, sleet, and snow yesterday. New snowfall measurement is an average due to crusty, drifted snow on my snow board.
2/4/2011 8:00 AM T T M 11.0 M 14°F clear and sunny
2/5/2011 8:00 AM 0.00 0.0 M 10.0 3.35 23°F cloudy. This is the first day since January 2 with zero new snow.
2/6/2011 8:00 AM 0.14 0.4 M 10.0 M 25°F overcast. Rain, sleet, snow yesterday.
2/7/2011 8:00 AM T 0.0 M 10.0 M 30°F Despite temperature below freezing, precipitation at obs seems to be a misty rain only, with no snow. Snow on the ground is very crusty.
2/8/2011 8:00 AM 0.28 3.3 M 13.0 M 13° with light snow at obs. Yesterday and last night: misty rain followed by snow.
2/9/2011 8:00 AM 0.01 1.8 M 12.0 M 4° mostly sunny. My data is uncertain today. Gusty winds left my snowboard with 0.5 to 3.0 of new snow, yet only 0.01 precip in gauge. New snow, and snow on the ground, are averages of several measurements.
2/10/2011 8:00 AM T T M 11.0 M 7° sun and clouds at obs.
2/11/2011 8:00 AM 0.00 0.0 M 10.0 M 2°F mostly sunny
2/12/2011 9:00 AM 0.02 1.2 M 11.0 M 25°F Lightly snowing
2/13/2011 9:00 AM 0.05 3.5 M 13.0 M 31°F overcast
2/14/2011 8:00 AM 0.00 0.0 M 9.5 M 42°F overcast. Windy, mild on Sunday.
2/15/2011 8:00 AM 0.07 T M 8.0 M 10°F and mostly sunny. Yesterday wind, rain, turning to snow by afternoon.
2/16/2011 8:30 AM 0.00 0.0 M 7.5 M 30°F mostly clear and sunny. Snow on the ground is like hardened concrete.
2/17/2011 8:00 AM T 0.0 M M M 39° light rain.
2/18/2011 8:00 AM T 0.0 M 4.5 M 51°F overcast at obs. Warm temps yesterday (58° high) melted a lot of snow.
2/19/2011 9:00 AM 0.01 0.1 M 1.0 M 23°F and lightly snowing. High winds yesterday and today blew snowboard clean; snow measurements were taken from various areas and averaged.
2/20/2011 8:00 AM T T M 1.0 M 18°F sunny. Light snow yesterday with heavy winds.
2/21/2011 8:00 AM 0.70 8.2 M 9.0 M 19°F. Fluffy snow began yesterday evening, continuing overnight.
2/22/2011 8:00 AM 0.00 0.0 M 8.0 M 0°F sunny.
2/23/2011 8:00 AM 0.00 0.0 M 6.5 M 0°F and sunny. Overnight low -6°F.
2/24/2011 8:00 AM T T M 5.5 M 28°F overcast. Trace of snow overnight.
2/25/2011 8:00 AM 0.41 3.5 M 8.5 M 28°F and snowing.
2/26/2011 8:00 AM 0.37 4.8 M 11.5 M
2/27/2011 8:00 AM 0.14 2.1 M 11.0 M 27°F overcast. On and off snow yesterday and overnight
2/28/2011 8:00 AM 1.24 0.0 M 7.0 M 43°F raining. Some thunder overnight.
3/1/2011 8:00 AM 0.04 0.0 M M M 22°F, mostly sunny with high, thin clouds
3/2/2011 8:00 AM T T M M M
3/3/2011 8:00 AM T T M M M
3/4/2011 8:00 AM 0.00 0.0 M 4.0 M 28°F overcast.
3/5/2011 8:00 AM 0.02 0.0 M 3.0 0.95 39°F overcast. Scattered light rain since yesterday afternoon.
3/6/2011 9:00 AM 1.26 2.5 M 3.0 M 28°F with light snow. Most of the precipitation was from rain yesterday, with snow not starting until overnight. Rain and temperature in the 40's melted much of the ground snow yesterday.
3/7/2011 8:00 AM 0.15 1.5 M 3.5 M 18°F sunny.
3/8/2011 8:00 AM 0.00 0.0 M 2.5 M 19°F sunny.
3/9/2011 8:00 AM 0.00 0.0 M 2.0 M 35°F overcast.
3/10/2011 8:00 AM 0.63 T M 1.0 M 40°F rain. A trace of snow mixed in with yesterday's rain. Bare spots on ground alternate with 1-2" deep snow patches.
3/11/2011 8:00 AM 0.67 T M T M 32°F Mostly cloudy, with a few snowflakes in the air. Rain much of yesterday and overnight, and only a few patches of snow left on the ground.
3/12/2011 8:00 AM 0.07 1.0 M 0.5 M 33°F mostly sunny.
3/13/2011 8:00 AM T T M T M 32°F overcast. A trace of snow overnight.
3/14/2011 8:00 AM T 0.1 M T M 28°F overcast. Snow overnight.
3/15/2011 8:00 AM 0.00 0.0 M T M 22°F mostly clear.
3/16/2011 8:00 AM 0.18 0.0 M T M 36°F light rain.
3/17/2011 8:00 AM 0.01 0.0 M T M 36°F overcast.
3/18/2011 8:00 AM T 0.0 M 0.0 M 56°F overcast. Finally, ground snow completely gone.
3/19/2011 8:00 AM 0.00 0.0 M 0.0 M
3/20/2011 8:00 AM 0.00 0.0 M 0.0 M 27°F clear
3/21/2011 8:00 AM 0.61 0.0 M 0.0 M 37°F overcast
3/22/2011 8:00 AM 0.01 0.0 M 0.0 M 34°F overcast.
3/23/2011 8:00 AM 0.73 7.0 M 7.0 0.73 29°F overnight snow
3/24/2011 8:00 AM 0.20 0.3 M 5.0 M 24°F and lightly snowing. Yesterday and overnight: snow, sleet, graupel, rain and freezing rain.
3/25/2011 8:00 AM T 0.1 M 3.0 M 16°F clear and cold
3/26/2011 8:00 AM 0.01 0.3 M 3.0 M 9°F clear. Overnight low: 7°F.
3/27/2011 8:00 AM 0.00 0.0 M 1.5 M 12°F clear, cold.
3/28/2011 7:00 AM 0.00 0.0 M 1.0 M 10°F clear, cold.
3/29/2011 8:00 AM 0.00 0.0 M 0.5 M 20°F clear and cold
3/30/2011 8:00 AM 0.00 0.0 M 0.5 M 20°F clear, cold. Still some fairly large patches of snow in shadowed areas.
3/31/2011 8:00 AM 0.23 2.5 M 2.5 M 31° overcast, with a trace of snow still falling. Snow started yesterday evening and continued overnight.
4/1/2011 7:00 AM 0.01 T M 1.0 M 32F with light rain/snow.
4/2/2011 8:00 AM 0.02 T M T M 27F clear. Trace of snow on and off yesterday, but no accumulation.
4/3/2011 8:00 AM T T M T M 35F sun and clouds. Occasional traces of snow falling yesterday. Still some patches of snow on the ground
4/4/2011 8:00 AM 0.15 T M T M 46F overcast. Rain with some snow showers last evening.
4/5/2011 8:00 AM 1.07 T M 0.0 M 33°F snowing. Rain much of yesterday, light snow this morning. No snow left on the ground.
4/6/2011 8:00 AM 0.01 T M 0.0 M 30°F partly cloudy. Occasional snow flurries yesterday.
4/7/2011 8:00 AM 0.83 4.0 M 2.5 M 33°F overcast. Snow much of yesterday.
4/8/2011 8:00 AM 0.00 0.0 M T M 33°F overcast.
4/9/2011 8:00 AM 0.02 0.0 M 0.0 M 39°F overcast. Rain yesterday.
4/10/2011 8:00 AM 0.00 0.0 M 0.0 M 44°F overcast.
4/11/2011 8:00 AM 0.00 0.0 M 0.0 M 70°F overcast.
4/12/2011 7:00 AM 0.02 0.0 M 0.0 M 42°F overcast
4/13/2011 8:00 AM 1.08 0.0 M 0.0 M 41°F light rain
4/14/2011 8:00 AM 0.08 0.0 M 0.0 M 36°F with fog. Rain on and off yesterday.
4/15/2011 8:00 AM 0.00 0.0 M 0.0 M 33°F partly cloudy.
4/16/2011 8:00 AM 0.27 0.0 M 0.0 M 42°F rain
4/17/2011 8:00 AM 0.35 0.0 M 0.0 M 36°F overcast. Rain much of yesterday.
4/18/2011 8:00 AM 0.06 T M 0.0 M 35°F with sun and clouds. A thick overcast is heading this way. Rain and wet snow mix at times yesterday. Quite windy all weekend.
4/19/2011 8:00 AM 0.17 T M 0.0 M 35°F rain. A trace of graupel yesterday morning.
4/20/2011 8:00 AM 0.75 0.0 M 0.0 M 55°F overcast. Rain much of yesterday and a thunderstorm overnight.
4/21/2011 8:00 AM 0.03 T M 0.0 M 35°F with a T of snow falling. Rain yesterday and very windy.
4/22/2011 8:00 AM T T M 0.0 M 31°F snowing lightly, no accumulation. Yesterday: on and off light snow and windy again.
4/23/2011 8:30 AM 1.00 T M 0.0 M 42°F rain. Occasional snow flurries yesterday.
4/24/2011 9:00 AM 0.05 0.0 M 0.0 M 51F and raining lightly.
4/25/2011 8:00 AM 0.23 0.0 M 0.0 M 49°F sprinkling
4/26/2011 8:00 AM 0.36 0.0 M 0.0 M 53°F partly cloudy. Thunderstorms yesterday evening.
4/27/2011 8:00 AM 0.22 0.0 M 0.0 M 61°F partly cloudy. Occasional thunderstorms yesterday.
4/28/2011 8:00 AM 0.61 0.0 M 0.0 M 64°F mostly cloudy. Thunderstorms, with high winds (44mph peak gust) yesterday afternoon.
4/29/2011 8:00 AM 0.03 0.0 M 0.0 M 42°F overcast. Overnight rain.
4/30/2011 8:00 AM 0.05 0.0 M 0.0 M 42°F partly cloudy. April: 24 days out of 30 with measurable precipitation (26 days including days with a trace).
5/1/2011 8:00 AM 0.00 0.0 M 0.0 M 55°F overcast.
5/2/2011 8:00 AM 0.10 0.0 M 0.0 M 54°F light rain.
5/3/2011 8:00 AM 0.53 0.0 M 0.0 M 45°F raining
5/4/2011 8:00 AM 0.95 0.0 M 0.0 M 39°F overcast.
5/5/2011 8:00 AM T 0.0 M 0.0 M 42°F sun cloud mix.
5/6/2011 8:00 AM 0.00 0.0 M 0.0 M 41°F mostly cloudy
5/7/2011 8:00 AM 0.01 0.0 M 0.0 M 45°F mostly cloudy
5/8/2011 8:00 AM 0.01 0.0 M 0.0 M 38° fog. A brief shower yesterday morning.
5/9/2011 8:00 AM 0.00 0.0 M 0.0 M 38°F clear and sunny
5/10/2011 8:00 AM 0.00 0.0 M 0.0 M 39° partly cloudy
5/11/2011 8:00 AM 0.00 0.0 M 0.0 M 52° sunny
5/12/2011 8:00 AM 0.00 0.0 M 0.0 M 53°F thin overcast
5/13/2011 8:00 AM 0.00 0.0 M 0.0 M 63°F sunny
5/14/2011 9:00 AM 0.93 0.0 M 0.0 M 59°F raining
5/15/2011 9:00 AM 0.40 0.0 M 0.0 M 55°F raining
5/16/2011 8:00 AM 0.66 0.0 M 0.0 M 44°F overcast, gloomy
5/23/2011 8:00 AM T 0.0 M 0.0 M 67°F partly cloudy
5/24/2011 8:00 AM 1.66 0.0 M 0.0 M 62°F overcast. Thunderstorms mid-day yesterday and again last night. The ground is soaked.
5/25/2011 8:00 AM 0.01 0.0 M 0.0 M 51°F fog
5/26/2011 8:00 AM 0.63 0.0 M 0.0 M 62°F partly cloudy
5/27/2011 8:00 AM 0.01 0.0 M 0.0 M 63°F overcast, gloomy
5/28/2011 8:00 AM 0.32 0.0 M 0.0 M 62°F mostly cloudy
5/29/2011 8:00 AM 0.00 0.0 M 0.0 M 69°F mostly cloudy
5/30/2011 8:00 AM 0.72 0.0 M 0.0 M 65°F partly cloudy. Thunderstorms last evening and overnight.
5/31/2011 8:00 AM 0.00 0.0 M 0.0 M 66°F fog
6/1/2011 8:00 AM 0.00 0.0 M 0.0 M 77°F mix of sun and clouds
6/2/2011 8:00 AM T 0.0 M 0.0 M 53°F mostly sunny and breezy. Brief shower yesterday morning.
6/3/2011 8:00 AM 0.00 0.0 M 0.0 M 47°F sunny. Overnight low: 38°F.
6/4/2011 8:00 AM 0.00 0.0 M 0.0 M 48°F overcast
6/5/2011 8:00 AM 0.31 0.0 M 0.0 M 63°F hazy sunshine. Thunderstorms Saturday.
6/6/2011 8:00 AM 0.00 0.0 M 0.0 M 53°F fog.
6/7/2011 8:00 AM 0.10 0.0 M 0.0 M 55°F thunderstorm at observation.
6/8/2011 8:00 AM 0.13 0.0 M 0.0 M 65°F clear and sunny
6/9/2011 8:00 AM 0.00 0.0 M 0.0 M 76°F hazy sunshine
6/10/2011 8:00 AM 0.00 0.0 M 0.0 M 62°F partly cloudy
6/11/2011 8:00 AM T 0.0 M 0.0 M 64°F Overnight shower.
6/12/2011 8:00 AM 0.24 0.0 M 0.0 M 64°F overcast.
6/13/2011 8:00 AM 0.00 0.0 M 0.0 M 55°F mostly sunny
6/14/2011 8:00 AM 0.01 0.0 M 0.0 M 54°F overcast, with misty rain.
6/15/2011 8:00 AM 0.01 0.0 M 0.0 M 46°F fog. Rain yesterday morning.
6/16/2011 8:00 AM 0.00 0.0 M 0.0 M 56°F overcast
6/17/2011 8:00 AM 0.53 0.0 M 0.0 M 60°F mostly cloudy. Rain off and on yesterday with thundershowers last evening.
6/18/2011 8:00 AM T 0.0 M 0.0 M 57°F fog.
6/19/2011 8:00 AM 0.00 0.0 M 0.0 M 57°F partly cloudy
6/20/2011 8:00 AM 0.00 0.0 M 0.0 M 59°F mostly cloudy
6/21/2011 8:00 AM 0.01 0.0 M 0.0 M 66°F overcast. Brief thunderstorm last evening and shower overnight.
6/22/2011 8:00 AM 0.36 0.0 M 0.0 M 67°F overcast. Lots of powerful lightning in a couple of early morning thunderstorms.
6/23/2011 8:00 AM 0.34 0.0 M 0.0 M 66°F overcast. Overnight thunderstorm.
6/24/2011 8:00 AM 0.28 0.0 M 0.0 M 65°F mostly cloudy.
6/25/2011 9:00 AM 0.42 0.0 M 0.0 M 60°F misty rain.
6/26/2011 9:00 AM 0.01 0.0 M 0.0 M 60°F overcast
6/27/2011 8:00 AM T 0.0 M 0.0 M 59°F fog
6/28/2011 8:00 AM 0.00 0.0 M 0.0 M 68°F overcast
6/29/2011 8:00 AM T 0.0 M 0.0 M 61°F cloudy. Brief shower yesterday afternoon.
6/30/2011 8:00 AM 0.00 0.0 M 0.0 M 55°F partly cloudy
7/1/2011 8:00 AM 0.00 0.0 M 0.0 M 49° fog
7/2/2011 8:00 AM 0.00 0.0 M 0.0 M 49° fog
7/3/2011 8:00 AM 0.00 0.0 M 0.0 M 67°F overcast
7/4/2011 8:00 AM 0.00 0.0 M 0.0 M 59°F partly cloudy
7/5/2011 8:00 AM 0.00 0.0 M 0.0 M 53°F fog
7/6/2011 8:00 AM 0.00 0.0 M 0.0 M 62°F partly cloudy
7/7/2011 8:00 AM 0.10 0.0 M 0.0 M 64°F fog. Overnight shower.
7/8/2011 8:00 AM 0.09 0.0 M 0.0 M 60°F thunderstorm in progress.
7/9/2011 8:00 AM 0.10 0.0 M 0.0 M 58°F fog. Thunderstorm yesterday morning.
7/10/2011 8:00 AM 0.00 0.0 M 0.0 M 58°F clear and sunny
7/11/2011 8:00 AM 0.00 0.0 M 0.0 M 66°F sunny
7/12/2011 8:00 AM 0.00 0.0 M 0.0 M 73°F cloudy
7/13/2011 8:00 AM 0.00 0.0 M 0.0 M 66°F cloudy
7/14/2011 7:00 AM 0.00 0.0 M 0.0 M 52°F clear and sunny
7/15/2011 8:00 AM 0.00 0.0 M 0.0 M 57°F sunny
7/16/2011 8:00 AM 0.00 0.0 M 0.0 M 58°F sunny
7/17/2011 8:00 AM 0.00 0.0 M 0.0 M 61°F sunny
7/18/2011 8:00 AM 0.00 0.0 M 0.0 M 66°F cloudy
7/19/2011 8:00 AM 0.00 0.0 M 0.0 M 72°F overcast
7/20/2011 8:00 AM 0.00 0.0 M 0.0 M 66°F fog
7/21/2011 8:00 AM 0.00 0.0 M 0.0 M 75°F sunny
7/22/2011 8:00 AM 0.00 0.0 M 0.0 M 77°F partly cloudy. 98°F here yesterday.
7/23/2011 8:00 AM 0.00 0.0 M 0.0 M 75° sun and clouds. Reached 100° yesterday.
7/24/2011 8:00 AM 0.08 0.0 M 0.0 M 71° overcast. Brief overnight thunderstorm.
7/25/2011 8:00 AM T 0.0 M 0.0 M 70° with thin clouds/haze
7/26/2011 8:00 AM 0.33 0.0 M 0.0 M 61° sun through lifting fog. Thunderstorm yesterday.
7/27/2011 8:00 AM T 0.0 M 0.0 M 57° sunny. Brief shower yesterday morning.
7/28/2011 8:00 AM 0.00 0.0 M 0.0 M 66° overcast
7/29/2011 8:00 AM 0.40 0.0 M 0.0 M 73° overcast. Rain yesterday and overnight thunderstorm.
7/30/2011 8:00 AM T 0.0 M 0.0 M 65° sunny
7/31/2011 9:00 AM 0.01 0.0 M 0.0 M 60° overcast. Light showers this morning.
8/1/2011 8:00 AM T 0.0 M 0.0 M 64° mostly sunny. Brief early morning thunderstorm.
8/2/2011 8:00 AM 0.00 0.0 M 0.0 M 60° Sun beginning to burn through morning fog.
8/3/2011 8:00 AM 0.01 0.0 M 0.0 M 64° overcast and sprinkling.
8/4/2011 8:00 AM 0.63 0.0 M 0.0 M 65° overcast. Rain yesterday.
8/5/2011 8:00 AM 0.00 0.0 M 0.0 M 64° fog
8/6/2011 8:00 AM 0.52 0.0 M 0.0 M 66° overcast. Rain this morning, heavy at times.
8/7/2011 9:00 AM 0.30 0.0 M 0.0 M 70° overcast
8/8/2011 8:00 AM 0.02 0.0 M 0.0 M 68° overcast. Rain off and on yesterday.
8/9/2011 8:00 AM T 0.0 M 0.0 M 65° overcast. Sprinkling began just before 8:00 a.m. observation.
8/10/2011 8:00 AM 1.36 0.0 M 0.0 M 66° mostly cloudy. Rain yesterday.
8/11/2011 7:40 AM 0.16 0.0 M 0.0 M 51° fog
8/12/2011 8:00 AM 0.00 0.0 M 0.0 M 52° sun and clouds
8/13/2011 8:00 AM 0.00 0.0 M 0.0 M
8/14/2011 9:00 AM 0.02 0.0 M 0.0 M 65° sprinkling
8/15/2011 8:00 AM 1.82 0.0 M 0.0 M 64° overcast. Heavy rain, lightning, yesterday morning, with additional rain late in the evening.
8/16/2011 8:00 AM 0.05 0.0 M 0.0 M 63° mostly cloudy
8/17/2011 8:00 AM 0.00 0.0 M 0.0 M 55° morning fog
8/18/2011 8:00 AM 0.00 0.0 M 0.0 M 56° clear and sunny
8/19/2011 8:00 AM 0.02 0.0 M 0.0 M 59° fog. Brief thunderstorm yesterday evening.
8/20/2011 7:00 AM 0.12 0.0 M 0.0 M 61° fog. Thunderstorms yesterday.
8/21/2011 9:00 AM 0.65 0.0 M 0.0 M 64° overcast. Thunderstorm early this morning.
8/22/2011 8:00 AM 0.05 0.0 M 0.0 M 55° partly cloudy
8/23/2011 8:00 AM 0.00 0.0 M 0.0 M 51° Mostly sunny with some high thin clouds.
8/24/2011 8:00 AM 0.00 0.0 M 0.0 M 60° mostly sunny. Back and forth motion for about 20 seconds during yesterday's earthquake.
8/25/2011 8:00 AM 1.39 0.0 M 0.0 M 66° overcast. Powerful thunderstorms early this morning.
8/26/2011 8:00 AM 0.00 0.0 M 0.0 M 62° overcast
8/27/2011 8:00 AM 0.00 0.0 M 0.0 M 59° fog
8/28/2011 8:00 AM 0.00 0.0 M 0.0 M 65° overcast
8/29/2011 8:00 AM 0.00 0.0 M 0.0 M 48° fog
8/30/2011 8:00 AM 0.00 0.0 M 0.0 M 49° fog
8/31/2011 8:00 AM 0.00 0.0 M 0.0 M 53° cloudy
9/1/2011 8:00 AM 1.48 0.0 M 0.0 M 63° cloudy. Thunderstorms arrived at about 04:30, with lots of rain.
9/2/2011 8:00 AM 0.07 0.0 M 0.0 M 68° overcast. Showers last evening.
9/3/2011 8:00 AM 0.00 0.0 M 0.0 M
9/4/2011 9:00 AM 0.06 0.0 M 0.0 M 67° partly cloudy
9/5/2011 8:00 AM 1.01 0.0 M 0.0 M 58° overcast. Rain yesterday afternoon and again overnight.
9/6/2011 8:00 AM 0.26 0.0 M 0.0 M 55° overcast
9/7/2011 8:00 AM 0.25 0.0 M 0.0 M 57° rain
9/8/2011 7:00 AM 0.01 0.0 M 0.0 M 63° overcast
9/9/2011 8:00 AM 0.08 0.0 M 0.0 M 63° overcast
9/10/2011 8:00 AM 0.01 0.0 M 0.0 M 61° overcast
9/11/2011 8:00 AM 0.05 0.0 M 0.0 M 57° overcast
9/12/2011 8:00 AM 0.19 0.0 M 0.0 M 58° overcast. Thunderstorm yesterday.
9/13/2011 8:00 AM 0.00 0.0 M 0.0 M 60° clear and sunny
9/14/2011 8:00 AM 0.28 0.0 M 0.0 M 58° overcast. Thunderstorm yesterday evening.
9/15/2011 8:00 AM 0.35 0.0 M 0.0 M 48° overcast with light rain.
9/16/2011 8:00 AM 0.04 0.0 M 0.0 M 39° morning fog dissipating.
9/17/2011 9:00 AM 0.00 0.0 M 0.0 M 45° cloudy
9/18/2011 8:00 AM 0.00 0.0 M 0.0 M 44° sunny
9/19/2011 8:00 AM 0.00 0.0 M 0.0 M 47° cloudy
9/20/2011 8:00 AM 0.28 0.0 M 0.0 M 58° low overcast. Yesterday evening's rain stopped shortly before observation.
9/21/2011 8:00 AM 0.00 0.0 M 0.0 M 59° overcast
9/22/2011 8:00 AM 0.04 0.0 M 0.0 M 64° overcast. Overnight rain.
9/23/2011 8:00 AM 0.00 0.0 M 0.0 M 60° overcast
9/24/2011 8:00 AM 0.13 0.0 M 0.0 M 55° cloudy. Rain off and on yesterday and overnight.
9/25/2011 8:00 AM 0.00 0.0 M 0.0 M 58°
9/26/2011 8:00 AM 0.00 0.0 M 0.0 M 58° mostly clear and sunny.
9/27/2011 8:00 AM 0.01 0.0 M 0.0 M 66° light rain
9/28/2011 8:00 AM 0.32 0.0 M 0.0 M 58° cloudy. Overnight thunderstorm.
9/29/2011 8:00 AM 0.31 0.0 M 0.0 M 57° Lifting fog, with partly cloudy sky.
9/30/2011 8:00 AM T 0.0 M 0.0 M 55° cloudy and sprinkling at obs.



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
12/7/2010 12/08/2010 8:00 AM 2 0.39 12.0 M Cumulative new snow over 2-day period, although not measured at normal observing times, totaled appx. 11.3".
12/18/2010 12/21/2010 8:00 AM 4 0.08 3.5 M
5/17/2011 5/22/2011 8:00 AM 6 1.37 0.0 M



Observation Date Observation Time Notes Largest Stone Size Average Stone Size Smallest Stone Size Stone Consistency Duration Minutes Durration Accuracy Damage Timing More Rain than Hail Hail Started Largest Hail Started Angle of Impact Number of Stones on Pad Distance Between Stones on Pad Depth of Stones on Ground