Station Overview Station Location
Station Number MD-CV-7 Latitude 38.5517
Station Name Prince Frederick 1.4 W Longitude -76.6158
County Calvert Elevation (ft) 148



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 11 3.62 3.09 31 3.09 31 0.00 0 0 14 1 0.0 0 0
Nov 11 3.41 3.23 30 3.23 30 0.00 0 0 10 1 0.0 0 0
Dec 11 3.54 4.57 31 4.57 27 0.00 4 1 6 2 0.0 0 0
Jan 12 3.24 1.61 31 1.61 29 0.00 2 1 9 5 0.5 2 0
Feb 12 2.98 1.63 29 1.63 29 0.00 0 0 11 1 0.2 2 0
March 12 4.03 2.52 31 2.52 31 0.00 0 0 10 7 0.0 0 0
April 12 3.51 2.46 30 2.46 30 0.00 0 0 8 2 0.0 0 0
May 12 4.38 3.04 31 3.04 31 0.00 0 0 13 4 0.0 0 0
June 12 3.97 3.28 30 3.28 30 0.00 0 0 12 0 0.0 0 0
July 12 4.08 2.75 31 1.95 28 0.80 3 1 10 4 0.0 0 0
Aug 12 3.62 7.53 31 5.22 27 2.31 4 1 8 1 0.0 0 0
Sept 12 3.89 2.20 30 2.20 30 0.00 0 0 8 2 0.0 0 0
Water Year Totals: 44.27" 37.91" 366 days 34.80" 353 3.11" 13 days 4 119 days 30 days 0.7" 4 days 0 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
10/1/2011 0.05
10/2/2011 0.15
10/3/2011 0.03
10/4/2011 T
10/5/2011 0.00
10/6/2011 0.00
10/7/2011 0.00
10/8/2011 0.00
10/9/2011 0.00
10/10/2011 0.00
10/11/2011 0.00
10/12/2011 0.03
10/13/2011 0.81
10/14/2011 0.01
10/15/2011 0.26
10/16/2011 0.00
10/17/2011 0.00
10/18/2011 0.00
10/19/2011 0.03
10/20/2011 0.23
10/21/2011 0.00
10/22/2011 0.00
10/23/2011 0.00
10/24/2011 0.00
10/25/2011 0.07
10/26/2011 0.00
10/27/2011 0.01
10/28/2011 0.04
10/29/2011 0.58
10/30/2011 0.79
10/31/2011 0.00
11/1/2011 0.14
11/2/2011 0.00
11/3/2011 0.00
11/4/2011 0.00
11/5/2011 0.00
11/6/2011 0.00
11/7/2011 0.00
11/8/2011 0.00
11/9/2011 0.00
11/10/2011 0.00
11/11/2011 0.02
11/12/2011 0.00
11/13/2011 0.00
11/14/2011 0.00
11/15/2011 0.00
11/16/2011 0.15
11/17/2011 1.21
11/18/2011 0.07
11/19/2011 0.00
11/20/2011 0.00
11/21/2011 0.10
11/22/2011 0.14
11/23/2011 1.03
11/24/2011 T
11/25/2011 0.00
11/26/2011 0.00
11/27/2011 0.00
11/28/2011 0.00
11/29/2011 0.02
11/30/2011 0.35
12/1/2011 0.00
12/2/2011 0.00
12/3/2011 0.00
12/4/2011 0.00
12/5/2011 0.00
12/6/2011 0.00
12/7/2011 0.92
12/8/2011 2.30
12/9/2011 0.00
12/10/2011 0.00
12/11/2011 0.00
12/12/2011 0.00
12/13/2011 0.00
12/14/2011 0.00
12/15/2011 0.00
12/16/2011 T
12/17/2011 **
12/18/2011 0.00
12/19/2011 0.00
12/20/2011 0.02
12/21/2011 T
12/22/2011 0.17
12/23/2011 0.66
12/24/2011 0.00
12/25/2011 0.00
12/26/2011 0.00
12/27/2011 0.00
12/28/2011 0.50
12/29/2011 0.00
12/30/2011 **
12/31/2011 **
Day of YearDaily PrcpMultiday Prcp
1/1/2012 **
1/2/2012 T
1/3/2012 0.00
1/4/2012 T
1/5/2012 T
1/6/2012 0.00
1/7/2012 0.00
1/8/2012 0.00
1/9/2012 0.00
1/10/2012 0.12
1/11/2012 0.00
1/12/2012 0.72
1/13/2012 0.01
1/14/2012 0.00
1/15/2012 0.00
1/16/2012 0.00
1/17/2012 0.11
1/18/2012 0.16
1/19/2012 0.00
1/20/2012 0.00
1/21/2012 0.19
1/22/2012 0.20
1/23/2012 T
1/24/2012 0.01
1/25/2012 0.00
1/26/2012 T
1/27/2012 T
1/28/2012 0.09
1/29/2012 0.00
1/30/2012 0.00
1/31/2012 0.00
2/1/2012 T
2/2/2012 0.18
2/3/2012 0.12
2/4/2012 0.00
2/5/2012 0.09
2/6/2012 0.00
2/7/2012 0.00
2/8/2012 0.00
2/9/2012 0.10
2/10/2012 0.00
2/11/2012 0.15
2/12/2012 0.01
2/13/2012 0.00
2/14/2012 0.00
2/15/2012 0.00
2/16/2012 0.00
2/17/2012 0.09
2/18/2012 0.00
2/19/2012 0.00
2/20/2012 0.19
2/21/2012 0.00
2/22/2012 0.00
2/23/2012 0.14
2/24/2012 0.01
2/25/2012 0.55
2/26/2012 0.00
2/27/2012 0.00
2/28/2012 0.00
2/29/2012 0.00
3/1/2012 1.33
3/2/2012 0.00
3/3/2012 0.33
3/4/2012 0.04
3/5/2012 0.00
3/6/2012 T
3/7/2012 0.00
3/8/2012 0.00
3/9/2012 0.02
3/10/2012 0.00
3/11/2012 0.00
3/12/2012 0.00
3/13/2012 0.02
3/14/2012 0.00
3/15/2012 0.00
3/16/2012 T
3/17/2012 T
3/18/2012 T
3/19/2012 0.00
3/20/2012 T
3/21/2012 0.55
3/22/2012 T
3/23/2012 0.00
3/24/2012 0.04
3/25/2012 0.17
3/26/2012 T
3/27/2012 0.00
3/28/2012 0.00
3/29/2012 0.01
3/30/2012 0.00
3/31/2012 0.01
Day of YearDaily PrcpMultiday Prcp
4/1/2012 0.00
4/2/2012 0.01
4/3/2012 0.00
4/4/2012 0.00
4/5/2012 T
4/6/2012 0.00
4/7/2012 0.00
4/8/2012 0.00
4/9/2012 0.00
4/10/2012 0.01
4/11/2012 0.00
4/12/2012 T
4/13/2012 0.00
4/14/2012 0.00
4/15/2012 0.00
4/16/2012 0.00
4/17/2012 0.00
4/18/2012 0.00
4/19/2012 0.12
4/20/2012 0.00
4/21/2012 0.00
4/22/2012 0.15
4/23/2012 1.71
4/24/2012 0.03
4/25/2012 0.00
4/26/2012 0.00
4/27/2012 0.04
4/28/2012 0.00
4/29/2012 0.39
4/30/2012 0.00
5/1/2012 0.39
5/2/2012 0.18
5/3/2012 0.01
5/4/2012 0.05
5/5/2012 T
5/6/2012 0.00
5/7/2012 0.00
5/8/2012 0.00
5/9/2012 0.08
5/10/2012 0.34
5/11/2012 0.00
5/12/2012 0.00
5/13/2012 0.00
5/14/2012 T
5/15/2012 0.36
5/16/2012 0.55
5/17/2012 0.00
5/18/2012 0.00
5/19/2012 0.00
5/20/2012 0.00
5/21/2012 0.15
5/22/2012 0.04
5/23/2012 0.00
5/24/2012 T
5/25/2012 T
5/26/2012 0.00
5/27/2012 0.00
5/28/2012 0.28
5/29/2012 0.00
5/30/2012 0.60
5/31/2012 0.01
6/1/2012 0.01
6/2/2012 1.63
6/3/2012 0.00
6/4/2012 0.01
6/5/2012 0.57
6/6/2012 0.01
6/7/2012 0.03
6/8/2012 0.00
6/9/2012 0.00
6/10/2012 0.00
6/11/2012 0.00
6/12/2012 0.07
6/13/2012 0.39
6/14/2012 0.00
6/15/2012 0.00
6/16/2012 0.00
6/17/2012 0.00
6/18/2012 0.00
6/19/2012 0.01
6/20/2012 0.00
6/21/2012 0.00
6/22/2012 0.00
6/23/2012 0.03
6/24/2012 0.00
6/25/2012 0.00
6/26/2012 0.09
6/27/2012 0.00
6/28/2012 0.00
6/29/2012 0.00
6/30/2012 0.43
Day of YearDaily PrcpMultiday Prcp
7/1/2012 0.00
7/2/2012 0.16
7/3/2012 0.00
7/4/2012 T
7/5/2012 0.00
7/6/2012 0.00
7/7/2012 0.00
7/8/2012 0.00
7/9/2012 0.74
7/10/2012 0.02
7/11/2012 T
7/12/2012 0.00
7/13/2012 0.00
7/14/2012 **
7/15/2012 **
7/16/2012 0.80
7/17/2012 0.01
7/18/2012 0.00
7/19/2012 0.00
7/20/2012 0.17
7/21/2012 0.08
7/22/2012 0.17
7/23/2012 0.00
7/24/2012 0.00
7/25/2012 T
7/26/2012 0.00
7/27/2012 0.01
7/28/2012 T
7/29/2012 0.53
7/30/2012 0.00
7/31/2012 0.06
8/1/2012 0.12
8/2/2012 0.03
8/3/2012 0.00
8/4/2012 0.00
8/5/2012 0.00
8/6/2012 T
8/7/2012 0.00
8/8/2012 0.01
8/9/2012 0.00
8/10/2012 **
8/11/2012 **
8/12/2012 **
8/13/2012 2.31
8/14/2012 0.00
8/15/2012 0.00
8/16/2012 0.00
8/17/2012 0.00
8/18/2012 0.41
8/19/2012 0.00
8/20/2012 0.18
8/21/2012 0.03
8/22/2012 0.00
8/23/2012 0.00
8/24/2012 0.00
8/25/2012 0.00
8/26/2012 1.21
8/27/2012 3.23
8/28/2012 0.00
8/29/2012 0.00
8/30/2012 0.00
8/31/2012 0.00
9/1/2012 0.00
9/2/2012 0.53
9/3/2012 0.00
9/4/2012 T
9/5/2012 0.05
9/6/2012 0.05
9/7/2012 0.15
9/8/2012 0.00
9/9/2012 0.43
9/10/2012 0.00
9/11/2012 0.00
9/12/2012 0.00
9/13/2012 0.00
9/14/2012 0.00
9/15/2012 0.00
9/16/2012 0.00
9/17/2012 0.00
9/18/2012 0.14
9/19/2012 0.72
9/20/2012 0.00
9/21/2012 0.00
9/22/2012 0.00
9/23/2012 0.00
9/24/2012 0.00
9/25/2012 0.00
9/26/2012 0.00
9/27/2012 0.00
9/28/2012 0.00
9/29/2012 0.13
9/30/2012 T



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2011 7:00 AM 0.05 M M M M Saw a lovely full-arc rainbow in the East, just before sunset.
10/2/2011 7:00 AM 0.15 M M M M Temp. 46ºF. Had a female hummingbird at the feeder yesterday.
10/3/2011 7:00 AM 0.03 M M M M Currently, very light rain.
10/4/2011 7:00 AM T M M M M
10/5/2011 7:00 AM 0.00 0.0 M M M Magnificent view of the stars early this morning.
10/6/2011 7:00 AM 0.00 0.0 M M M
10/7/2011 7:00 AM 0.00 0.0 M M M
10/8/2011 7:00 AM 0.00 0.0 M M M
10/9/2011 7:00 AM 0.00 0.0 M M M
10/10/2011 7:00 AM 0.00 0.0 M M M Colorful sunrise.
10/11/2011 7:00 AM 0.00 0.0 M M M
10/12/2011 7:00 AM 0.03 M M M M
10/13/2011 7:00 AM 0.81 M M M M
10/14/2011 7:00 AM 0.01 M M M M .01 inch from yesterday. Currently, very light rain.
10/15/2011 7:00 AM 0.26 M M M M Rain in morning and late afternoon.
10/16/2011 7:00 AM 0.00 0.0 M M M
10/17/2011 7:00 AM 0.00 0.0 M M M Overcast. Temp. 60ºF.
10/18/2011 7:00 AM 0.00 0.0 M M M
10/19/2011 7:00 AM 0.03 M M M M Currently light rain.
10/20/2011 7:00 AM 0.23 M M M M Light rain during the day.
10/21/2011 7:00 AM 0.00 0.0 M M M
10/22/2011 7:00 AM 0.00 0.0 M M M
10/23/2011 7:00 AM 0.00 0.0 M M M
10/24/2011 7:00 AM 0.00 0.0 M M M
10/25/2011 7:00 AM 0.07 M M M M
10/26/2011 7:00 AM 0.00 0.0 M M M
10/27/2011 7:00 AM 0.01 M M M M Currently raining.
10/28/2011 7:00 AM 0.04 M M M M
10/29/2011 7:00 AM 0.58 M M M M Currently 42ºF. and raining.
10/30/2011 7:00 AM 0.79 M M M M Icy surfaces but no snow. Half inch fell by 10:30am. Two-day total 1.37 inches.
10/31/2011 7:00 AM 0.00 0.0 M M M
11/1/2011 7:00 AM 0.14 M M M M
11/2/2011 7:00 AM 0.00 0.0 M M M
11/3/2011 7:00 AM 0.00 0.0 M M M
11/4/2011 7:00 AM 0.00 0.0 M M M
11/5/2011 7:00 AM 0.00 0.0 M M M
11/6/2011 7:00 AM 0.00 0.0 M M M
11/7/2011 7:00 AM 0.00 0.0 M M M Foggy. Weekend was a nice one to drive around and view the color of the autumn trees.
11/8/2011 7:00 AM 0.00 0.0 M M M Five Eastern shore counties had school delays due to fog this morning.
11/9/2011 7:00 AM 0.00 0.0 M M M
11/10/2011 7:00 AM 0.00 0.0 M M M Drippy Fog. Can hear it dripping off the trees. All surfaces are damp/wet. Small amount of condensation or fog in bottom of 4" tube. Not sure if this should be recorded as a trace.
11/11/2011 7:00 AM 0.02 M M M M
11/12/2011 7:00 AM 0.00 0.0 M M M Temperature went below freezing overnight. Some frost on the cars.
11/13/2011 7:00 AM 0.00 0.0 M M M
11/14/2011 7:00 AM 0.00 0.0 M M M
11/15/2011 7:00 AM 0.00 0.0 M M M
11/16/2011 7:00 AM 0.15 M M M M Currently raining and 57ºF. Just a small sprinkle yesterday afternoon.
11/17/2011 7:00 AM 1.21 M M M M Currently raining.
11/18/2011 7:00 AM 0.07 M M M M Clear morning. Temp. 32ºF.
11/19/2011 7:00 AM 0.00 0.0 M M M
11/20/2011 7:00 AM 0.00 0.0 M M M
11/21/2011 7:00 AM 0.10 M M M M Rained over night. Temp. 58ºF.
11/22/2011 7:00 AM 0.14 M M M M Rain overnight.
11/23/2011 7:00 AM 1.03 M M M M Heaviest rain overnight. Temp. 62ºF.
11/24/2011 7:00 AM T M M M M
11/25/2011 7:00 AM 0.00 0.0 M M M
11/26/2011 7:00 AM 0.00 0.0 M M M Beautiful pink and blue sky.
11/27/2011 7:00 AM 0.00 0.0 M M M
11/28/2011 7:00 AM 0.00 0.0 M M M
11/29/2011 7:00 AM 0.02 M M M M
11/30/2011 7:00 AM 0.35 M M M M Another colorful morning sky. Temp. 41ºF.
12/1/2011 7:00 AM 0.00 0.0 M M M
12/2/2011 7:00 AM 0.00 0.0 M M M Temp. 30ºF.
12/3/2011 7:00 AM 0.00 0.0 M M M Clear 32ºF.
12/4/2011 7:00 AM 0.00 0.0 M M M
12/5/2011 7:00 AM 0.00 0.0 M M M Foggy. Temp. 48ºF. Moisture condensed on surfaces, including funnel, but not in the tube.
12/6/2011 7:00 AM 0.00 0.0 M M M Temp. 60ºF Overcast.
12/7/2011 7:00 AM 0.92 M M M M Currently, very light rain. Temp. 61ºF
12/8/2011 7:00 AM 2.30 M M M M An all day rain. Windy overnight. Temp. 34ºF.
12/9/2011 7:00 AM 0.00 0.0 M M M Overnight low temperature 29.8ºF.
12/10/2011 7:00 AM 0.00 0.0 M M M
12/11/2011 7:00 AM 0.00 0.0 M M M
12/12/2011 7:00 AM 0.00 0.0 M M M Temp. 25ºF.
12/13/2011 7:00 AM 0.00 0.0 M M M
12/14/2011 7:00 AM 0.00 0.0 M M M
12/15/2011 7:00 AM 0.00 0.0 M M M
12/16/2011 7:00 AM T M M M M Light clouds.
12/19/2011 7:00 AM 0.00 0.0 M M M Temp. 29ºF. Jackfrost drawings on outside of tube. Blue and orange sky, crescent moon above.
12/20/2011 7:00 AM 0.02 M M M M Temp. 46ºF.
12/21/2011 7:00 AM T M M M M Temp. 55ºF.
12/22/2011 7:00 AM 0.17 M M M M Light rain on and off throughout the day.
12/23/2011 7:00 AM 0.66 0.0 M 0.0 M Rain last evening and overnight. Temp. 49ºF.
12/24/2011 7:00 AM 0.00 0.0 M 0.0 M Cloudy, 41ºF.
12/25/2011 7:00 AM 0.00 0.0 M M M Temp. 31ºF.
12/26/2011 7:00 AM 0.00 0.0 M M M Temp. 40ºF. Sunny day yesterday.
12/27/2011 7:00 AM 0.00 0.0 M 0.0 M
12/28/2011 7:00 AM 0.50 0.0 M 0.0 M Half inch from all day rain and wind.
12/29/2011 7:00 AM 0.00 0.0 M 0.0 M Temp. 28ºF. Yesterday's high 52.0ºF.
1/3/2012 7:00 AM 0.00 0.0 M M M Temp. 27ºF.
1/4/2012 7:00 AM T T M 0.0 M Temp. 16ºF. Snow flurries at 3:10pm account for the trace of snow. Nothing in the gauge.
1/5/2012 7:00 AM T T M T M A sprinkling of snow over the cars and surfaces this morning. No precipitation as of 10pm last night. Completely overcast sky. Temp 34ºF.
1/6/2012 7:00 AM 0.00 0.0 M 0.0 M Temp. 39ºF. Glorious sunset yesterday, lovely sunrise this morning.
1/7/2012 7:00 AM 0.00 0.0 M 0.0 M
1/8/2012 7:00 AM 0.00 0.0 M 0.0 M
1/9/2012 7:00 AM 0.00 0.0 M 0.0 M
1/10/2012 7:00 AM 0.12 0.2 M 0.0 M Foggy, Temp. 34ºF. Snow accumulated from 4:30 till 7pm. Most of the snow melted overnight with some slushy snow still on car, plastic chair etc. None on the ground.
1/11/2012 7:00 AM 0.00 0.0 M 0.0 M Foggy, 31ºF.
1/12/2012 7:00 AM 0.72 0.0 M 0.0 M Rain through the afternoon and overnight. Rain ended before 7am.
1/13/2012 7:00 AM 0.01 0.0 M 0.0 M Rain overnight.
1/14/2012 7:00 AM 0.00 0.0 M M M
1/15/2012 7:00 AM 0.00 0.0 M 0.0 M Temp. 26ºF
1/16/2012 7:00 AM 0.00 0.0 M 0.0 M
1/17/2012 7:00 AM 0.11 0.0 M 0.0 M Currently light rain, 42ºF.
1/18/2012 7:00 AM 0.16 0.0 M 0.0 M Temp 43ºF
1/19/2012 7:00 AM 0.00 0.0 M 0.0 M 23ºF
1/20/2012 7:00 AM 0.00 0.0 M 0.0 M 34ºF
1/21/2012 7:00 AM 0.19 0.3 M T M Currently raining @ 33ºF. Precipitation began overnight. Snow measured at 7am and was icy.
1/22/2012 7:00 AM 0.20 T M T M Currently,fine light snowfall @31ºF.
1/23/2012 7:00 AM T T M T M Currently foggy,light mist @33ºF. Many surfaces still have an icy snow layer. Twigs have small ice drips, but not enough ice to cause damage to trees. Temps have been hovering just below to just above freezing for three days.
1/24/2012 7:00 AM 0.01 0.0 M 0.0 M Temp 47ºF
1/25/2012 7:00 AM 0.00 0.0 M 0.0 M Thin ice layer on cars. Yesterday's high 59ºF
1/26/2012 7:00 AM T 0.0 M 0.0 M Temp. 41ºF. Early morning rain.
1/27/2012 7:00 AM T 0.0 M 0.0 M Temp 63ºF
1/28/2012 7:00 AM 0.09 0.0 M 0.0 M
1/29/2012 7:00 AM 0.00 0.0 M 0.0 M Temp. 29°F. Yesterday's high 55ºF.
1/30/2012 7:00 AM 0.00 0.0 M 0.0 M
1/31/2012 7:00 AM 0.00 0.0 M 0.0 M
2/1/2012 7:00 AM T 0.0 M 0.0 M Temp. 54ºF. First two daffodils in bloom. Last three years, the first bloom was in March.
2/2/2012 7:00 AM 0.18 0.0 M 0.0 M Currently raining. Temp. 50ºF. No shadows for our groundhogs.
2/3/2012 7:00 AM 0.12 0.0 M 0.0 M Rain ended mid-day, with the remainder bright and sunny.
2/4/2012 7:00 AM 0.00 0.0 M 0.0 M Temp. 35ºF. Lovely sunrise.
2/5/2012 7:00 AM 0.09 0.0 M 0.0 M Currently, completely overcast. Temp. 36ºF. Rain began yesterday afternoon.
2/6/2012 7:00 AM 0.00 0.0 M 0.0 M
2/7/2012 7:00 AM 0.00 0.0 M 0.0 M Temp. 38ºF
2/8/2012 7:00 AM 0.00 0.0 M 0.0 M
2/9/2012 7:00 AM 0.10 0.0 M 0.0 M Temp.31ºF. Icy surfaces from rain freezing overnight.
2/10/2012 7:00 AM 0.00 0.0 M 0.0 M
2/11/2012 7:00 AM 0.15 0.0 M 0.0 M Currently, very light rain; temp. 35ºF. Rain began sometime after 11pm.
2/12/2012 7:00 AM 0.01 0.1 M T M Currently, 21ºF. Some rain yesterday after the 7am reading, then snow sometime after 11pm.
2/13/2012 7:00 AM 0.00 0.0 M 0.0 M
2/14/2012 7:00 AM 0.00 0.0 M 0.0 M
2/15/2012 7:00 AM 0.00 0.0 M 0.0 M
2/16/2012 7:00 AM 0.00 0.0 M 0.0 M Temp. 42ºF.
2/17/2012 7:00 AM 0.09 0.0 M 0.0 M Currently foggy, 41ºF.
2/18/2012 7:00 AM 0.00 0.0 M 0.0 M 30ºF. Sunny
2/19/2012 7:00 AM 0.00 0.0 M 0.0 M Temp. 38ºF. Overcast. Yesterday was a beautiful day.
2/20/2012 7:00 AM 0.19 0.1 M T M Rain began early evening. First big flakes at 9:55pm. Snow was measured at 7:00am observation to be .1" of ice crust. No coating on tree branches. About half the ground still has the icy snow on it. Liquid in tube was not frozen.
2/21/2012 7:00 AM 0.00 0.0 M 0.0 M
2/22/2012 7:00 AM 0.00 0.0 M M M
2/23/2012 7:00 AM 0.14 0.0 M 0.0 M Rain started shortly before 11PM. Rain accompanied by wind.
2/24/2012 7:00 AM 0.01 0.0 M 0.0 M Rain overnight. Ended before 7am
2/25/2012 7:00 AM 0.55 0.0 M 0.0 M Heavy rain and thunder in the afternoon. No noticeable damage from the wind. Yesterday's high, 68.9ºF dropped 10 degrees as storm moved through.
2/26/2012 7:00 AM 0.00 0.0 M 0.0 M 30ºF Clear.
2/27/2012 7:00 AM 0.00 0.0 M 0.0 M
2/28/2012 7:00 AM 0.00 0.0 M 0.0 M Beautifully clear last couple of nights with the crescent moon, Venus, and Jupiter pretty in the Western sky.
2/29/2012 7:00 AM 0.00 0.0 M 0.0 M Overcast, 39ºF.
3/1/2012 7:00 AM 1.33 0.0 M 0.0 M Foggy, 54ºF
3/2/2012 7:00 AM 0.00 0.0 M 0.0 M Yesterday's high 74ºF. Magnolia tree in bloom.
3/3/2012 7:00 AM 0.33 0.0 M 0.0 M Currently not raining, but radar shows rain in surrounding areas. Temp. 49ºF.
3/4/2012 7:00 AM 0.04 0.0 M 0.0 M
3/5/2012 7:00 AM 0.00 0.0 M 0.0 M Temp. 30ºF.
3/6/2012 7:00 AM T T M 0.0 M Temp. 26ºF. Yesterday's snow came down densely at 11:15am with a temp of 38ºF. Did not accumulate. Was clear most of the afternoon, then more snow-like stuff came down at 5:50pm. Did not accumulate. Gauge held just under .01"
3/7/2012 7:00 AM 0.00 0.0 M 0.0 M Temp. 39ºF.
3/8/2012 7:00 AM 0.00 0.0 M 0.0 M Temp. 54ºF.
3/9/2012 7:00 AM 0.02 0.0 M 0.0 M
3/10/2012 7:00 AM 0.00 0.0 M 0.0 M
3/11/2012 7:00 AM 0.00 0.0 M 0.0 M
3/12/2012 7:00 AM 0.00 0.0 M 0.0 M
3/13/2012 7:00 AM 0.02 0.0 M 0.0 M Temp. 57ºF.
3/14/2012 7:00 AM 0.00 0.0 M 0.0 M Yesterday's high 81ºF. Our early spring has turned to summer.
3/15/2012 7:00 AM 0.00 0.0 M 0.0 M Currently 58ºF. Yesterday's high 86.0ºF.
3/16/2012 7:00 AM T 0.0 M 0.0 M Currently light misting.
3/17/2012 7:00 AM T 0.0 M 0.0 M Less than .01inch in the gauge. Temp. 48ºF.
3/18/2012 7:00 AM T 0.0 M 0.0 M
3/19/2012 7:00 AM 0.00 0.0 M 0.0 M
3/20/2012 7:00 AM T 0.0 M 0.0 M Currently light rain, 60ºF.
3/21/2012 7:00 AM 0.55 0.0 M 0.0 M Currently foggy. Rain began shortly before 7am yesterday. At 7:30am we had thunder and heavy rain. By 8:30am there was .55inch in the gauge.
3/22/2012 7:00 AM T 0.0 M 0.0 M Currently foggy. All surfaces very wet, but nothing in the gauge.
3/23/2012 7:00 AM 0.00 0.0 M 0.0 M
3/24/2012 7:00 AM 0.04 0.0 M 0.0 M Rain and thunder overnight, about 4:30am. Temp. 62ºF
3/25/2012 7:00 AM 0.17 0.0 M 0.0 M Currently misting at 53ºF.
3/26/2012 7:00 AM T 0.0 M 0.0 M Temp. 51ºF. Less than .01inch in gauge.
3/27/2012 7:00 AM 0.00 0.0 M 0.0 M Temp. 32ºF. Birdbath water has layer of ice.
3/28/2012 7:00 AM 0.00 0.0 M 0.0 M
3/29/2012 7:00 AM 0.01 0.0 M 0.0 M
3/30/2012 7:00 AM 0.00 0.0 M 0.0 M
3/31/2012 7:00 AM 0.01 0.0 M 0.0 M Currently overcast.
4/1/2012 7:00 AM 0.00 0.0 M M M
4/2/2012 7:00 AM 0.01 M M M M
4/3/2012 7:00 AM 0.00 0.0 M M M
4/4/2012 7:00 AM 0.00 0.0 M M M Temp. 50ºF
4/5/2012 7:00 AM T M M M M Temp. 47ºF. If I hadn't been outside when it started to sprinkle, I wouldn't have know we got a trace.
4/6/2012 7:00 AM 0.00 0.0 M M M Temp. 40ºF.
4/7/2012 7:00 AM 0.00 0.0 M M M Temp. 36ºF.
4/8/2012 7:00 AM 0.00 0.0 M M M Temp. 39ºF. Lovely morning.
4/9/2012 7:00 AM 0.00 0.0 M M M
4/10/2012 7:00 AM 0.01 M M M M
4/11/2012 7:00 AM 0.00 0.0 M M M
4/12/2012 7:00 AM T M M M M Sprinkle at 5:10pm.
4/13/2012 7:00 AM 0.00 0.0 M M M
4/14/2012 7:00 AM 0.00 0.0 M M M
4/15/2012 7:00 AM 0.00 0.0 M M M
4/16/2012 7:00 AM 0.00 0.0 M M M
4/17/2012 7:00 AM 0.00 0.0 M M M Yesterday's high, 90ºF.
4/18/2012 7:00 AM 0.00 0.0 M M M Overcast.
4/19/2012 7:00 AM 0.12 M M M M Temp. 50ºF.
4/20/2012 7:00 AM 0.00 0.0 M M M Temp. 50ºF. Drippy Fog. Can hear the drips falling from trees. Nothing in the gauge.
4/21/2012 7:00 AM 0.00 0.0 M M M
4/22/2012 7:00 AM 0.15 M M M M Temp. 53ºF. Yesterday a beautiful day, high 84.9ºF. Noticed at 6:15pm that a trace of rain had occurred. A burst of heavy rain at 7:50pm. Did not seem to last long.
4/23/2012 7:00 AM 1.71 0.0 M M M .45inch fell by 1:45pm. Rainy all day. Currently no precipitation.
4/24/2012 7:00 AM 0.03 0.0 M M M Temp. 40ºF. Total of 1.89inches over three days.
4/25/2012 7:00 AM 0.00 0.0 M 0.0 M Temp. 38ºF.
4/26/2012 7:00 AM 0.00 0.0 M M M
4/27/2012 7:00 AM 0.04 M M M M
4/28/2012 7:00 AM 0.00 0.0 M M M Temp. 40ºF
4/29/2012 7:00 AM 0.39 0.0 M 0.0 M Temp. 46ºF. Heavy rain overnight, also heard thunder once.
4/30/2012 7:00 AM 0.00 0.0 M M M
5/1/2012 7:00 AM 0.39 M M M M Currently raining, 64ºF and humid. Heard thunder at 6:35am. Very heavy rain began at 6:40am.
5/2/2012 7:00 AM 0.18 M M M M Currently raining, temp. 65ºF. Yesterday, after morning rain ended, sunny with a high of 85ºF. This morning sprinkles started at 6:15am with some distant thunder.
5/3/2012 7:00 AM 0.01 M M M M Last of yesterday mornings rain.
5/4/2012 7:00 AM 0.05 M M M M Rain after midnight.
5/5/2012 7:00 AM T M M M M Light rain at 6:45pm. Heard thunder earlier in day, but no rain.
5/6/2012 7:00 AM 0.00 0.0 M M M
5/7/2012 12:15 PM 0.00 0.0 M M M
5/8/2012 7:00 AM 0.00 0.0 M M M Still overcast sky last night. No moon, super or otherwise.
5/9/2012 7:00 AM 0.08 M M M M A sprinkle yesterday afternoon. Most rain was overnight and early morning.
5/10/2012 7:00 AM 0.34 M M M M Light morning and afternoon rain, heavier overnight.
5/11/2012 7:00 AM 0.00 0.0 M M M Yesterday was a lovely day.
5/12/2012 7:00 AM 0.00 0.0 M M M
5/13/2012 7:00 AM 0.00 0.0 M M M
5/14/2012 7:00 AM T M M M M Currently 62ºF with light rain. Began after 6am.
5/15/2012 7:00 AM 0.36 M M M M Currently raining. Light rain on and off through the day yesterday. Heaviest rain began around 5:30AM. Moderate to heavy through to 7AM.
5/16/2012 7:00 AM 0.55 M M M M Overcast, 63ºF. After a daytime break, rain,thunder and lightning began 8:30pm. No hail observed.
5/17/2012 7:00 AM 0.00 0.0 M M M
5/18/2012 7:00 AM 0.00 0.0 M M M
5/19/2012 7:00 AM 0.00 0.0 M M M
5/20/2012 7:00 AM 0.00 0.0 M M M Temp. 52ºF.
5/21/2012 7:20 AM 0.15 M M M M Currently, light rain.
5/22/2012 7:00 AM 0.04 M M M M Currently 65ºF. Rain from yesterday morning. A light mist this morning at 6:20am.
5/23/2012 7:00 AM 0.00 0.0 M M M Temp. 64ºF.
5/24/2012 7:00 AM T M M M M Sprinkles noted just after yesterday's observation.
5/25/2012 7:00 AM T M M M M Overcast.
5/26/2012 7:00 AM 0.00 0.0 M M M
5/27/2012 7:00 AM 0.00 0.0 M M M
5/28/2012 7:00 AM 0.28 M M M M Heard a distant rumble, then heavy rain started.
5/29/2012 7:00 AM 0.00 0.0 M M M Temp. 73ºF. Yesterday, warm and humid but with a refreshing breeze.
5/30/2012 7:00 AM 0.60 M M M M Currently light rain and 69ºF. Thunder and lightning accompanied the rainfall.
5/31/2012 7:00 AM 0.01 M M M M From just after obs. yesterday.
6/1/2012 7:00 AM 0.01 M M M M
6/2/2012 7:00 AM 1.63 M M M M Currently 59ºF. Thunder and lightning. Some windy spells.
6/3/2012 7:00 AM 0.00 0.0 M M M
6/4/2012 7:00 AM 0.01 M M M M Precipitation after 10pm.
6/5/2012 7:00 AM 0.57 M M M M Currently a light rain @57ºF. Beautiful weather continued yesterday. A sudden heavy downpour hit us at 11:10PM; washed the driveway gravel.
6/6/2012 7:00 AM 0.01 M M M M Apparently we had some overnight rain.
6/7/2012 7:00 AM 0.03 M M M M Currently 56ºF. Yesterday pleasant. A sprinkle at 12:53pm, then thunder and light rain at 5:05pm.
6/8/2012 7:00 AM 0.00 0.0 M M M Yesterday was another lovely day with amazing big puffy white clouds in a clear blue sky.
6/9/2012 7:00 AM 0.00 0.0 M M M
6/10/2012 7:00 AM 0.00 0.0 M M M
6/11/2012 7:00 AM 0.00 0.0 M M M Temp. 68ºF.
6/12/2012 7:00 AM 0.07 M M M M Rain overnight. Temp. 68ºF, overcast.
6/13/2012 7:00 AM 0.39 M M M M Temp. 69ºF.
6/14/2012 7:00 AM 0.00 0.0 M M M
6/15/2012 7:00 AM 0.00 0.0 M M M
6/16/2012 7:00 AM 0.00 0.0 M M M Temp. 56ºF. A lovely day at Sailabration in Baltimore yesterday.
6/17/2012 7:00 AM 0.00 0.0 M M M
6/18/2012 7:00 AM 0.00 0.0 M M M
6/19/2012 7:00 AM 0.01 M M M M Morning rain only.
6/20/2012 7:00 AM 0.00 0.0 M M M
6/21/2012 7:00 AM 0.00 0.0 M M M
6/22/2012 7:00 AM 0.00 0.0 M M M
6/23/2012 7:00 AM 0.03 M M M M Currently, 69ºF. Close lightning at 4:27pm.
6/24/2012 7:00 AM 0.00 0.0 M M M
6/25/2012 7:00 AM 0.00 0.0 M M M Sorry not to get any of the scattered rain. Will have to water my garden.
6/26/2012 7:00 AM 0.09 M M M M Area of heavy rain passed over us, preceded by thunder.
6/27/2012 7:00 AM 0.00 0.0 M M M Yesterday was lovely.
6/28/2012 7:00 AM 0.00 0.0 M M M Still a pleasant morning.
6/29/2012 7:00 AM 0.00 0.0 M M M
6/30/2012 7:00 AM 0.43 M M M M Strong winds began at 11:15pm followed by power outage and heavy rain. Much lightning flashing, not close thunder though. Electric back on at 4:40am. Alot of bits of leaves around, but no tree damage.
7/1/2012 7:00 AM 0.00 0.0 M M M Temp. 73ºF.
7/2/2012 7:00 AM 0.16 M M M M
7/3/2012 7:00 AM 0.00 0.0 M M M Temp. 70ºF.
7/4/2012 7:00 AM T M M M M Rained out the Nats, gave us a trace.
7/5/2012 7:00 AM 0.00 0.0 M M M
7/6/2012 7:00 AM 0.00 0.0 M M M Temp. 75ºF.
7/7/2012 7:00 AM 0.00 0.0 M M M
7/8/2012 7:00 AM 0.00 0.0 M M M Temp. 80ºF. Yesterday's high was 105ºF.
7/9/2012 7:00 AM 0.74 M M M M Currently, light rain, Temp. 72ºF. 0.67inch fell yesterday evening. The rest this morning. Heard distant thunder before dawn.
7/10/2012 7:00 AM 0.02 M M M M Currently, 73ºF. Rain from yesterday morning after 7am.
7/11/2012 7:00 AM T M M M M A sprinkle at 7:23am.
7/12/2012 7:00 AM 0.00 0.0 M M M Temp. 68ºF.
7/13/2012 7:00 AM 0.00 0.0 M M M Temp. 68ºF.
7/17/2012 7:00 AM 0.01 M M M M Temp. 73ºF. Two short rains at 3:30pm and 5:09pm. The second with thunder.
7/18/2012 7:00 AM 0.00 0.0 M M M
7/19/2012 7:00 AM 0.00 0.0 M M M
7/20/2012 7:00 AM 0.17 M M M M Temp. 73ºF. We finally got some rain after midnight. Drove home from Annapolis in torrential rain, much lightning. Prince Frederick area was dry at midnight.
7/21/2012 7:00 AM 0.08 M M M M Currently raining, temp. 69ºF. Light rain around noon yesterday.
7/22/2012 7:00 AM 0.17 M M M M Temp. 69ºF.
7/23/2012 7:00 AM 0.00 0.0 M M M
7/24/2012 7:00 AM 0.00 0.0 M M M
7/25/2012 7:00 AM T M M M M Temp. 68ºF. Nothing in the gauge. Happened to notice a sprinkle at 1pm.
7/26/2012 7:00 AM 0.00 0.0 M M M 73ºF. Still pleasant.
7/27/2012 7:00 AM 0.01 M M M M
7/28/2012 7:00 AM T M M M M
7/29/2012 7:00 AM 0.53 M M M M Temp. 69ºF. Two brief rains at 2:52pm and 3:42pm, then some thunder and pouring rain at 7:28pm.
7/30/2012 7:00 AM 0.00 0.0 M M M
7/31/2012 7:35 AM 0.06 M M M M Temp. 72ºF. Awoke to the sound of rain at 7am. Sorry for the late report.
8/1/2012 7:00 AM 0.12 M M M M Temp. 70ºF. Rain overnight. Heard thunder at 1:37pm, but no rain on us.
8/2/2012 7:00 AM 0.03 M M M M 71ºF Rained yesterday morning.
8/3/2012 7:00 AM 0.00 0.0 M M M A beautiful orange moon at the Southern Maryland Blue Crabs game last night.
8/4/2012 7:00 AM 0.00 0.0 M M M
8/5/2012 7:00 AM 0.00 0.0 M M M
8/6/2012 7:00 AM T M M M M Temp. 78ºF. Less than .01 inch in the gauge.
8/7/2012 7:00 AM 0.00 0.0 M M M Had to bring out the hose/sprinkler and water. Everything suffering from 5 dry days in the 90's. Even the dogwoods look bad.
8/8/2012 7:00 AM 0.01 M M M M Temp. 73ºF. A few afternoon sprinkles.
8/9/2012 7:00 AM 0.00 0.0 M M M
8/14/2012 7:00 AM 0.00 0.0 M M M Chased two goldfinches on the purple cone flowers to read an empty gauge.
8/15/2012 7:00 AM 0.00 0.0 M M M
8/16/2012 7:00 AM 0.00 0.0 M M M
8/17/2012 7:00 AM 0.00 0.0 M M M Temp. 67ºF. A pleasant morning.
8/18/2012 7:00 AM 0.41 M M M M Thunder and lightning before and with the rain for a short time.
8/19/2012 7:00 AM 0.00 0.0 M M M
8/20/2012 7:00 AM 0.18 M M M M 67ºF and overcast. Rained through the afternoon and evening.
8/21/2012 7:00 AM 0.03 M M M M
8/22/2012 7:00 AM 0.00 0.0 M M M
8/23/2012 7:00 AM 0.00 0.0 M M M
8/24/2012 7:00 AM 0.00 0.0 M M M
8/25/2012 7:00 AM 0.00 0.0 M M M Overcast.
8/26/2012 7:00 AM 1.21 M M M M Got a few hundredths yesterday morning, a more steady rain began at 1:30pm and brought it up to about a half inch. Then at about 1am and 4am received heavy rains with thunder and lightning.
8/27/2012 7:00 AM 3.23 M M M M Temp. 68ºF. Rain/ heavy rain yesterday and overnight with lightning.
8/28/2012 7:00 AM 0.00 0.0 M M M Temp. 74ºF. Partly cloudy.
8/29/2012 7:00 AM 0.00 0.0 M M M Temp. 64ºF.
8/30/2012 7:00 AM 0.00 0.0 M M M Yesterday was excellent.
8/31/2012 7:00 AM 0.00 0.0 M M M Calm, humid morning.
9/1/2012 7:00 AM 0.00 0.0 M M M
9/2/2012 7:00 AM 0.53 M M M M Temp. 71ºF. Had a trace sprinkle at 10:27AM. The evening rain was accompanied by lightning, mostly distant, but one very close hit. Noticed heavy sounding rain at 10:50pm but may have been other heavy rain later in the night. Yesterday around 5pm the humidity was noticeably high, but not just by the feel on the skin and lungs, I could actually SEE the humidity. Wondered if it were smoke, but no smell of smoke. Just the air.
9/3/2012 7:00 AM 0.00 0.0 M M M Warm, humid day yesterday.
9/4/2012 7:00 AM T M M M M Temp. 74ºF. Noticed it starting to sprinkle yesterday. Only a few drops on the funnel.
9/5/2012 7:00 AM 0.05 M M M M Brief, heavy rain. Continues warm and tropical.
9/6/2012 7:00 AM 0.05 M M M M Same ol', same ol'. Afternoon shower with thunder.
9/7/2012 7:00 AM 0.15 M M M M
9/8/2012 7:00 AM 0.00 0.0 M M M Pleasant evening at the So. MD Bluecrabs ball game. Humidity down.
9/9/2012 7:00 AM 0.43 M M M M Rain continued well into the evening. Windy, no damage.
9/10/2012 7:00 AM 0.00 0.0 M M M Temp. 56ºF.
9/11/2012 7:00 AM 0.00 0.0 M M M Temp. 52ºF. A perfectly clear sky with a pretty sliver of the waning moon. Beautiful day yesterday.
9/12/2012 7:00 AM 0.00 0.0 M M M
9/13/2012 7:00 AM 0.00 0.0 M M M
9/14/2012 7:00 AM 0.00 0.0 M M M Temp. 58ºF. Foggy
9/15/2012 7:00 AM 0.00 0.0 M M M Temp. 63ºF. A lovely morning to sit on the porch with a cuppa.
9/16/2012 7:00 AM 0.00 0.0 M M M
9/17/2012 7:00 AM 0.00 0.0 M M M Temp. 55ºF. Foggy
9/18/2012 7:00 AM 0.14 M M M M Temp.70ºF. A lightly humid breeze, but not raining.
9/19/2012 7:00 AM 0.72 M M M M Temp. 59ºF.
9/20/2012 7:00 AM 0.00 0.0 M M M
9/21/2012 7:00 AM 0.00 0.0 M M M
9/22/2012 7:00 AM 0.00 0.0 M M M
9/23/2012 7:00 AM 0.00 0.0 M M M So much for 80% chance of rain.
9/24/2012 7:00 AM 0.00 0.0 M M M Temp. 49ºF.
9/25/2012 7:00 AM 0.00 0.0 M M M
9/26/2012 7:00 AM 0.00 0.0 M M M
9/27/2012 7:00 AM 0.00 0.0 M M M
9/28/2012 7:00 AM 0.00 0.0 M M M Darn, no rain.
9/29/2012 7:00 AM 0.13 M M M M Temp. 58ºF.
9/30/2012 7:00 AM T M M M M Apparently overnight.



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
12/17/2011 12/18/2011 7:00 AM 2 0.00 0.0 M Snow flurries on the way home from State College,PA 12/17, but nothing in Calvert Co., also nothing in the tube.
12/30/2011 1/02/2012 7:00 AM 4 T 0.0 M Checked rain gauge on 1/1/12 @4:45pm; gauge was empty. Noted light rain on 1/1/12 @6:20pm, but gauge was empty at 7am on 1/2/12.
7/14/2012 7/16/2012 7:00 AM 3 0.80 M M Rain appeared to have fallen on the 15th. Measured .80 inch at 8:00pm on 7/15 upon returning home.
8/10/2012 8/13/2012 7:00 AM 4 2.31 M M Rain began on 8/10 morning before 7am. Gauge held .01 inch at 7am, but did not empty. Rain was very heavy at 7:35am 8/10 and we had minor flooding.



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