Station Overview Station Location
Station Number IL-CK-121 Latitude 42.113853
Station Name Palatine 1.3 E Longitude -88.017779
County Cook Elevation (ft) 732



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 14 2.98 3.45 31 3.45 31 0.00 0 0 11 4 0.0 0 0
Nov 14 2.97 1.25 30 1.25 30 0.00 0 0 9 11 1.5 3 7
Dec 14 2.22 0.64 31 0.64 31 0.00 0 0 4 8 0.0 0 0
Jan 15 1.72 1.20 31 1.20 31 0.00 0 0 9 8 9.9 8 29
Feb 15 1.70 1.84 28 1.84 28 0.00 0 0 6 8 18.6 6 28
March 15 2.30 1.10 31 1.10 31 0.00 0 0 6 2 5.9 4 16
April 15 3.44 3.10 30 3.10 30 0.00 0 0 14 2 0.0 0 0
May 15 4.12 3.99 31 3.99 31 0.00 0 0 18 2 0.0 0 0
June 15 4.01 6.80 30 6.80 30 0.00 0 0 20 1 0.0 0 0
July 15 3.78 3.62 31 3.62 31 0.00 0 0 11 4 0.0 0 0
Aug 15 4.51 3.44 31 3.44 31 0.00 0 0 9 4 0.0 0 0
Sept 15 3.38 4.60 30 4.60 30 0.00 0 0 6 2 0.0 0 0
Water Year Totals: 37.13" 35.03" 365 days 35.03" 365 0.00" 0 days 0 123 days 56 days 35.9" 21 days 80 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
10/1/2014 T
10/2/2014 0.02
10/3/2014 0.96
10/4/2014 0.05
10/5/2014 0.04
10/6/2014 0.02
10/7/2014 0.00
10/8/2014 0.00
10/9/2014 0.00
10/10/2014 0.00
10/11/2014 0.00
10/12/2014 0.00
10/13/2014 0.08
10/14/2014 1.00
10/15/2014 1.23
10/16/2014 0.01
10/17/2014 0.00
10/18/2014 T
10/19/2014 0.02
10/20/2014 0.02
10/21/2014 0.00
10/22/2014 0.00
10/23/2014 0.00
10/24/2014 0.00
10/25/2014 T
10/26/2014 0.00
10/27/2014 0.00
10/28/2014 0.00
10/29/2014 0.00
10/30/2014 0.00
10/31/2014 T
11/1/2014 T
11/2/2014 0.00
11/3/2014 0.00
11/4/2014 0.02
11/5/2014 0.00
11/6/2014 T
11/7/2014 0.00
11/8/2014 0.04
11/9/2014 0.01
11/10/2014 T
11/11/2014 0.04
11/12/2014 T
11/13/2014 T
11/14/2014 0.00
11/15/2014 0.00
11/16/2014 0.03
11/17/2014 0.01
11/18/2014 T
11/19/2014 0.00
11/20/2014 T
11/21/2014 0.00
11/22/2014 0.12
11/23/2014 T
11/24/2014 0.64
11/25/2014 0.34
11/26/2014 0.00
11/27/2014 T
11/28/2014 T
11/29/2014 T
11/30/2014 0.00
12/1/2014 T
12/2/2014 0.00
12/3/2014 T
12/4/2014 0.00
12/5/2014 0.00
12/6/2014 0.00
12/7/2014 0.00
12/8/2014 0.14
12/9/2014 0.02
12/10/2014 0.00
12/11/2014 0.00
12/12/2014 0.00
12/13/2014 0.00
12/14/2014 T
12/15/2014 T
12/16/2014 0.06
12/17/2014 T
12/18/2014 0.00
12/19/2014 0.00
12/20/2014 0.00
12/21/2014 T
12/22/2014 T
12/23/2014 0.42
12/24/2014 0.00
12/25/2014 T
12/26/2014 0.00
12/27/2014 0.00
12/28/2014 0.00
12/29/2014 0.00
12/30/2014 0.00
12/31/2014 0.00
Day of YearDaily PrcpMultiday Prcp
1/1/2015 0.00
1/2/2015 0.00
1/3/2015 0.16
1/4/2015 0.30
1/5/2015 0.05
1/6/2015 0.17
1/7/2015 T
1/8/2015 0.00
1/9/2015 0.19
1/10/2015 0.00
1/11/2015 0.00
1/12/2015 0.18
1/13/2015 T
1/14/2015 T
1/15/2015 0.00
1/16/2015 0.00
1/17/2015 0.00
1/18/2015 T
1/19/2015 0.00
1/20/2015 T
1/21/2015 0.01
1/22/2015 0.00
1/23/2015 0.00
1/24/2015 0.00
1/25/2015 T
1/26/2015 0.05
1/27/2015 0.09
1/28/2015 0.00
1/29/2015 T
1/30/2015 T
1/31/2015 0.00
2/1/2015 0.52
2/2/2015 0.99
2/3/2015 T
2/4/2015 0.09
2/5/2015 T
2/6/2015 0.00
2/7/2015 0.00
2/8/2015 0.00
2/9/2015 T
2/10/2015 T
2/11/2015 T
2/12/2015 0.00
2/13/2015 0.00
2/14/2015 T
2/15/2015 0.00
2/16/2015 0.01
2/17/2015 T
2/18/2015 T
2/19/2015 0.00
2/20/2015 0.00
2/21/2015 0.00
2/22/2015 0.00
2/23/2015 0.00
2/24/2015 0.00
2/25/2015 0.01
2/26/2015 0.22
2/27/2015 0.00
2/28/2015 0.00
3/1/2015 0.01
3/2/2015 0.00
3/3/2015 0.25
3/4/2015 0.00
3/5/2015 0.00
3/6/2015 0.00
3/7/2015 0.00
3/8/2015 0.00
3/9/2015 0.00
3/10/2015 0.00
3/11/2015 0.00
3/12/2015 0.00
3/13/2015 0.00
3/14/2015 0.00
3/15/2015 0.00
3/16/2015 0.00
3/17/2015 0.00
3/18/2015 0.00
3/19/2015 0.00
3/20/2015 0.00
3/21/2015 0.00
3/22/2015 0.00
3/23/2015 0.50
3/24/2015 T
3/25/2015 0.30
3/26/2015 0.00
3/27/2015 0.02
3/28/2015 0.00
3/29/2015 0.02
3/30/2015 T
3/31/2015 0.00
Day of YearDaily PrcpMultiday Prcp
4/1/2015 0.00
4/2/2015 0.16
4/3/2015 0.03
4/4/2015 0.00
4/5/2015 0.00
4/6/2015 0.00
4/7/2015 0.02
4/8/2015 0.03
4/9/2015 1.44
4/10/2015 0.42
4/11/2015 T
4/12/2015 0.00
4/13/2015 0.24
4/14/2015 0.01
4/15/2015 0.00
4/16/2015 T
4/17/2015 0.01
4/18/2015 0.00
4/19/2015 0.00
4/20/2015 0.42
4/21/2015 0.02
4/22/2015 0.02
4/23/2015 0.00
4/24/2015 0.00
4/25/2015 0.09
4/26/2015 0.19
4/27/2015 0.00
4/28/2015 0.00
4/29/2015 0.00
4/30/2015 0.00
5/1/2015 0.00
5/2/2015 0.00
5/3/2015 0.00
5/4/2015 0.32
5/5/2015 1.09
5/6/2015 0.01
5/7/2015 0.00
5/8/2015 0.04
5/9/2015 0.74
5/10/2015 0.05
5/11/2015 0.07
5/12/2015 0.09
5/13/2015 0.00
5/14/2015 0.00
5/15/2015 0.18
5/16/2015 0.03
5/17/2015 0.06
5/18/2015 0.00
5/19/2015 T
5/20/2015 0.00
5/21/2015 0.10
5/22/2015 0.00
5/23/2015 0.00
5/24/2015 T
5/25/2015 0.22
5/26/2015 0.21
5/27/2015 0.49
5/28/2015 0.02
5/29/2015 0.00
5/30/2015 0.09
5/31/2015 0.18
6/1/2015 0.01
6/2/2015 0.00
6/3/2015 0.00
6/4/2015 0.00
6/5/2015 0.00
6/6/2015 0.00
6/7/2015 0.10
6/8/2015 0.26
6/9/2015 0.31
6/10/2015 T
6/11/2015 0.00
6/12/2015 0.40
6/13/2015 0.61
6/14/2015 0.74
6/15/2015 0.26
6/16/2015 1.40
6/17/2015 0.18
6/18/2015 0.46
6/19/2015 0.01
6/20/2015 0.00
6/21/2015 0.30
6/22/2015 0.02
6/23/2015 0.13
6/24/2015 0.00
6/25/2015 0.87
6/26/2015 0.13
6/27/2015 0.12
6/28/2015 0.00
6/29/2015 0.36
6/30/2015 0.13
Day of YearDaily PrcpMultiday Prcp
7/1/2015 T
7/2/2015 T
7/3/2015 0.00
7/4/2015 0.00
7/5/2015 0.00
7/6/2015 0.00
7/7/2015 0.99
7/8/2015 0.01
7/9/2015 0.17
7/10/2015 0.00
7/11/2015 0.01
7/12/2015 0.10
7/13/2015 0.21
7/14/2015 0.12
7/15/2015 0.00
7/16/2015 0.00
7/17/2015 0.94
7/18/2015 0.12
7/19/2015 0.85
7/20/2015 T
7/21/2015 0.00
7/22/2015 0.00
7/23/2015 0.00
7/24/2015 0.00
7/25/2015 0.00
7/26/2015 T
7/27/2015 0.00
7/28/2015 0.00
7/29/2015 0.10
7/30/2015 0.00
7/31/2015 0.00
8/1/2015 0.00
8/2/2015 0.00
8/3/2015 0.47
8/4/2015 0.00
8/5/2015 0.00
8/6/2015 0.00
8/7/2015 0.00
8/8/2015 0.00
8/9/2015 0.00
8/10/2015 T
8/11/2015 0.11
8/12/2015 T
8/13/2015 0.00
8/14/2015 0.00
8/15/2015 0.32
8/16/2015 1.02
8/17/2015 0.00
8/18/2015 0.07
8/19/2015 0.42
8/20/2015 T
8/21/2015 0.00
8/22/2015 0.00
8/23/2015 0.01
8/24/2015 0.00
8/25/2015 0.00
8/26/2015 0.00
8/27/2015 0.00
8/28/2015 0.00
8/29/2015 0.52
8/30/2015 0.50
8/31/2015 T
9/1/2015 0.00
9/2/2015 0.00
9/3/2015 0.00
9/4/2015 0.00
9/5/2015 0.00
9/6/2015 0.00
9/7/2015 0.00
9/8/2015 0.04
9/9/2015 0.69
9/10/2015 0.00
9/11/2015 0.98
9/12/2015 T
9/13/2015 0.00
9/14/2015 0.00
9/15/2015 0.00
9/16/2015 0.00
9/17/2015 0.00
9/18/2015 1.37
9/19/2015 1.45
9/20/2015 0.00
9/21/2015 0.00
9/22/2015 0.00
9/23/2015 0.00
9/24/2015 0.00
9/25/2015 0.00
9/26/2015 0.00
9/27/2015 0.00
9/28/2015 0.00
9/29/2015 T
9/30/2015 0.07



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2014 7:30 AM T 0.0 M 0.0 M clear
10/2/2014 8:00 AM 0.02 0.0 M 0.0 M more humid than has been the past several days - dew point 60 at Wheeling
10/3/2014 7:00 AM 0.96 0.0 M 0.0 M light rain. one small branch down. cooler and less humid
10/4/2014 7:05 AM 0.05 0.0 M 0.0 M drizzling, cold and breezy; temp 40 at Wheeling, 38 at O'Hare
10/5/2014 11:00 AM 0.04 0.0 M 0.0 M cold and breezy; there were reports of flurries in the area yesterday morning, but I didn't notice anything here
10/6/2014 8:40 AM 0.02 0.0 M 0.0 M mostly cloudy
10/7/2014 7:15 AM 0.00 0.0 M 0.0 M
10/8/2014 7:05 AM 0.00 0.0 M 0.0 M
10/9/2014 9:10 AM 0.00 0.0 M 0.0 M mostly cloudy with a good altocumulus display
10/10/2014 9:25 AM 0.00 0.0 M 0.0 M
10/11/2014 11:50 AM 0.00 0.0 M 0.0 M
10/12/2014 1:20 PM 0.00 0.0 M 0.0 M
10/13/2014 7:30 AM 0.08 0.0 M 0.0 M
10/14/2014 12:35 PM 1.00 0.0 M 0.0 M overcast; exactly 1 inch
10/15/2014 2:30 PM 1.23 0.0 M 0.0 M overcast; 3 day storm total 2.31"
10/16/2014 2:30 PM 0.01 0.0 M 0.0 M overcast
10/17/2014 1:40 PM 0.00 0.0 M 0.0 M overcast
10/18/2014 8:30 AM T 0.0 M 0.0 M drizzle
10/19/2014 10:45 AM 0.02 0.0 M 0.0 M
10/20/2014 10:15 AM 0.02 0.0 M 0.0 M
10/21/2014 8:25 AM 0.00 0.0 M 0.0 M
10/22/2014 9:45 AM 0.00 0.0 M 0.0 M
10/23/2014 8:55 AM 0.00 0.0 M 0.0 M
10/24/2014 10:10 AM 0.00 0.0 M 0.0 M
10/25/2014 7:45 AM T 0.0 M 0.0 M noticed that some rain had fallen on a car windshield last night
10/26/2014 7:50 AM 0.00 0.0 M 0.0 M
10/27/2014 8:00 AM 0.00 0.0 M 0.0 M
10/28/2014 7:05 AM 0.00 0.0 M 0.0 M warm yesterday - 77 at O'Hare, 78 at Wheeling
10/29/2014 10:30 AM 0.00 0.0 M 0.0 M
10/30/2014 1:40 PM 0.00 0.0 M 0.0 M
10/31/2014 7:45 AM T T M 0.0 M mostly cloudy, cold, and windy; temp 37
11/1/2014 8:45 AM T T M 0.0 M cold and very windy (gusts near 50 mph) yesterday; noticed light snow falling at 11:00 AM
11/2/2014 8:10 AM 0.00 0.0 M 0.0 M clear/very heavy dew; end DST
11/3/2014 11:15 AM 0.00 0.0 M 0.0 M warmer and breezy; temp 57
11/4/2014 9:00 AM 0.02 0.0 M 0.0 M overcast, windy, temp 56
11/5/2014 9:20 AM 0.00 0.0 M 0.0 M
11/6/2014 9:05 AM T 0.0 M 0.0 M drizzling, windy and cooler - temp 42
11/7/2014 9:35 AM 0.00 0.0 M 0.0 M mostly clear and cold
11/8/2014 11:00 AM 0.04 0.0 M 0.0 M light rain last night; overcast now
11/9/2014 9:30 AM 0.01 0.0 M 0.0 M
11/10/2014 1:10 PM T 0.0 M 0.0 M mostly cloudy - altocumulus/altostratus; warmer - temp 59
11/11/2014 12:40 PM 0.04 0.0 M 0.0 M low overcast and cooler - temp 41
11/12/2014 2:00 PM T 0.0 M 0.0 M mostly cloudy and cold - temp 29 at O'Hare
11/13/2014 8:00 AM T T M T M light snow fell overnight; a dusting on the ground now, but none on roads
11/14/2014 4:25 PM 0.00 0.0 M 0.0 M overcast and cold - temp 27
11/15/2014 6:20 AM 0.00 0.0 M 0.0 M clear and cold - temp 16 at Wheeling
11/16/2014 9:00 AM 0.03 0.7 0.02 0.7 M light snow began yesterday evening, and gradually became heavier; stopped snowing overnight, but it is snowing again now
11/17/2014 6:10 PM 0.01 0.1 0.01 0.1 M partly cloudy, windy and cold - at Wheeling, temp 14, windchill 0; at O'Hare temp 13, windchill -5
11/18/2014 10:05 AM T T M T M a dusting of snow on the snow board; continues to be very cold - Wheeling is 13 with a windchill of -3; was 10 and -8 at O'Hare just two hours ago
11/19/2014 6:00 AM 0.00 0.0 M T M
11/20/2014 6:45 AM T T M T M clear and cold
11/21/2014 7:45 AM 0.00 0.0 M T M clear and cold - temp 11 at Wheeling, 9 at O'Hare; dew point went down to -2 yesterday afternoon at Wheeling
11/22/2014 6:30 AM 0.12 0.0 M T M light rain...with temperatures barely above freezing, a few areas are still icy
11/23/2014 6:25 AM T 0.0 M 0.0 M warmer - temp 48
11/24/2014 7:40 AM 0.64 0.0 M 0.0 M light rain with a temp of 47
11/25/2014 7:15 AM 0.34 0.7 0.06 0.7 M snow just ended; rain changed to snow yesterday morning with a temperature drop of 15 degrees in 4 hours and strong wind; gauge contained a layer of ice underneath the snow...don't think I've ever had such trouble removing gauge from the bracket
11/26/2014 7:45 AM 0.00 0.0 M 0.7 M lots of frost on gauge
11/27/2014 7:40 AM T T M 0.7 M mostly cloudy
11/28/2014 7:20 AM T T M 0.7 M light snow falling now...a dusting so far
11/29/2014 6:25 AM T T M 0.7 M mostly clear
11/30/2014 7:05 AM 0.00 0.0 M 0.0 M much warmer - temp 45
12/1/2014 9:40 AM T 0.0 M 0.0 M cold front hit yesterday around noon along with fast temperature drop and a very persistent mist/drizzle; temp 19 and dew point -2 now
12/2/2014 10:05 AM 0.00 0.0 M 0.0 M
12/3/2014 10:30 AM T 0.0 M 0.0 M clear
12/4/2014 12:45 PM 0.00 0.0 M 0.0 M
12/5/2014 1:30 PM 0.00 0.0 M 0.0 M
12/6/2014 1:50 PM 0.00 0.0 M 0.0 M
12/7/2014 8:00 AM 0.00 0.0 M 0.0 M frost
12/8/2014 3:30 PM 0.14 0.0 M 0.0 M drizzle
12/9/2014 4:40 PM 0.02 0.0 M 0.0 M
12/10/2014 7:45 AM 0.00 0.0 M 0.0 M
12/11/2014 7:00 AM 0.00 0.0 M M M
12/12/2014 7:30 AM 0.00 0.0 M 0.0 M roofs are white with frost
12/13/2014 7:00 AM 0.00 0.0 M 0.0 M overcast
12/14/2014 8:15 AM T 0.0 M 0.0 M overcast and warmer - temp 46
12/15/2014 7:05 AM T 0.0 M 0.0 M mist and still warm - temp 45
12/16/2014 7:00 AM 0.06 0.0 M 0.0 M drizzle
12/17/2014 8:15 AM T T M 0.0 M overcast and much colder - temp 25
12/18/2014 7:00 AM 0.00 0.0 M M M
12/19/2014 7:00 AM 0.00 0.0 M M M
12/20/2014 6:45 AM 0.00 0.0 M 0.0 M
12/21/2014 9:10 AM T T M 0.0 M very light rain/snow - temp 33
12/22/2014 9:55 AM T T M 0.0 M overcast
12/23/2014 9:15 AM 0.42 T M 0.0 M partly cloudy, windy, and warmer - temp 47
12/24/2014 10:45 AM 0.00 0.0 M 0.0 M overcast
12/25/2014 10:45 AM T 0.0 M 0.0 M
12/26/2014 1:25 PM 0.00 0.0 M 0.0 M breezy and warmer, temp 50; plenty of high clouds
12/27/2014 7:00 AM 0.00 0.0 M M M
12/28/2014 2:15 PM 0.00 0.0 M 0.0 M
12/29/2014 2:25 PM 0.00 0.0 M 0.0 M mostly cloudy - altocumulus
12/30/2014 4:00 PM 0.00 0.0 M 0.0 M mostly clear and cold - temp 18
12/31/2014 2:15 PM 0.00 0.0 M 0.0 M clear and very cold - temp 16, windchill 2 at Wheeling; at 6 AM at O'Hare, temp was 4, windchill -14
1/1/2015 5:45 PM 0.00 0.0 M 0.0 M mostly cloudy. very dry December - just 0.64"
1/2/2015 7:45 AM 0.00 0.0 M 0.0 M mostly clear; frost
1/3/2015 6:30 AM 0.16 0.7 0.16 0.7 M snow changed to freezing drizzle. I am going to have the snow board in the back yard now. Starting to think it is more representative...especially after thunderstorms took down some tree limbs on September 5th. Gauge catch 0.13"
1/4/2015 7:20 AM 0.30 0.8 0.09 1.0 M rain changed to snow overnight...some of it stuck to the north facing side of the gauge; still snowing very lightly
1/5/2015 7:20 AM 0.05 0.5 0.05 1.5 M clear and very cold - temp -4, windchill -19; gauge catch 0.03"
1/6/2015 6:35 AM 0.17 2.0 0.17 3.5 M clear and very cold - temp 1 and wind chill -13; gauge catch 0.13"
1/7/2015 6:40 AM T T M 3.5 M clear and very cold: temp 0, wind chill -22
1/8/2015 7:00 AM 0.00 0.0 M 3.5 M mostly cloudy and extremely cold - temp -6, wind chill -23 at Wheeling; wind chill -26 at O'Hare, was -29 at 4 AM
1/9/2015 7:15 AM 0.19 2.5 0.19 5.0 M accuracy of new snow measurement uncertain due to significant blowing snow yesterday; mostly clear and very cold - temp 4, wind chill -12; gauge catch 0.10"
1/10/2015 6:50 AM 0.00 0.0 M 4.5 M still very cold - temp -1, wind chill -13
1/11/2015 7:20 AM 0.00 0.0 M 4.0 M mostly clear and not as cold
1/12/2015 7:45 AM 0.18 2.3 0.18 6.5 M gauge catch 0.14"
1/13/2015 8:20 AM T T M 6.0 M snowing
1/14/2015 8:55 AM T T M 6.0 M
1/15/2015 10:30 AM 0.00 0.0 M 5.5 M
1/16/2015 11:45 AM 0.00 0.0 M 5.0 M
1/17/2015 12:10 AM 0.00 0.0 M 4.0 M snow melting with a temp of 41
1/18/2015 12:25 AM T 0.0 M 2.0 M partly cloudy, breezy, temp 38
1/19/2015 12:45 PM 0.00 0.0 M 1.5 M
1/20/2015 2:05 PM T 0.0 M 1.5 M overcast with a temp of 34
1/21/2015 2:40 PM 0.01 T M 1.5 M freezing drizzle changed to snow last night
1/22/2015 3:15 PM 0.00 0.0 M 1.5 M overcast
1/23/2015 4:00 PM 0.00 0.0 M 1.0 M
1/24/2015 4:25 PM 0.00 0.0 M 0.5 M
1/25/2015 6:30 AM T T M 0.5 M light snow and windy
1/26/2015 7:35 AM 0.05 0.3 0.04 1.0 M snow board was frozen to the ground
1/27/2015 8:00 AM 0.09 0.8 0.09 2.0 M gauge catch 0.06
1/28/2015 7:15 AM 0.00 0.0 M 1.5 M
1/29/2015 7:00 AM T 0.0 M 1.5 M overcast
1/30/2015 7:20 AM T T M 1.5 M
1/31/2015 7:15 AM 0.00 0.0 M 1.0 M
2/1/2015 7:05 AM 0.52 4.3 0.52 5.0 M still snowing and windy with poor visibility; gauge catch 0.50
2/2/2015 7:05 AM 0.99 9.8 0.99 14.0 M storm total snow 14.1", storm total water equivalent 1.51"; total snow depth generally varied from 12" - 18", with a few drifts up to 24"; gauge was mostly full and only caught 0.68"
2/3/2015 7:15 AM T T M 12.0 M snowing very lightly - no accumulation
2/4/2015 7:55 AM 0.09 1.1 0.09 12.5 M gauge catch 0.07"
2/5/2015 8:00 AM T T M 12.0 M a dusting of snow; very cold - temp 2 at Wheeling, -2 at O'Hare
2/6/2015 8:40 AM 0.00 0.0 M 11.0 M
2/7/2015 8:55 AM 0.00 0.0 M 10.5 M
2/8/2015 10:45 AM 0.00 0.0 M 8.0 M overcast; snow melting with a temp of 35; high at Wheeling yesterday was 43
2/9/2015 11:30 AM T T M 7.5 M dusting of snow; still snowing very lightly
2/10/2015 12:20 PM T T M 7.5 M
2/11/2015 12:20 PM T 0.0 M 7.0 M overcast
2/12/2015 1:40 PM 0.00 0.0 M 7.0 M clear
2/13/2015 4:55 PM 0.00 0.0 M 7.0 M
2/14/2015 4:15 PM T T M 7.0 M a dusting of snow was blown to the southern 1/3 of snow board; clear and cold - O'Hare reports temp of 7, wind chill of -15
2/15/2015 7:00 AM 0.00 0.0 M 7.0 M extremely cold - temp -2, wind chill -18
2/16/2015 7:35 AM 0.01 0.1 M 7.0 M gauge caught a trace
2/17/2015 7:55 AM T T M 7.0 M still snowing - a dusting so far
2/18/2015 6:45 AM T T M 7.0 M mostly clear and very cold - temp 4 and wind chill -13 at O'Hare
2/19/2015 6:15 AM 0.00 0.0 M 7.0 M clear and extremely cold - temp -7 and wind chill -28 at O'Hare
2/20/2015 7:55 AM 0.00 0.0 M 6.5 M overcast and very cold - temp 0, wind chill -14 at O'Hare
2/21/2015 7:30 AM 0.00 0.0 M 6.5 M overcast
2/22/2015 7:40 AM 0.00 0.0 M 6.5 M
2/23/2015 7:30 AM 0.00 0.0 M 6.5 M clear and very cold - temp -4, wind chill -21 at O'Hare
2/24/2015 7:40 AM 0.00 0.0 M 6.5 M very cold weather continues...temp 8, wind chill -12 at O'Hare
2/25/2015 7:25 AM 0.01 0.1 M 6.0 M snow fell yesterday in the early afternoon
2/26/2015 10:00 AM 0.22 3.2 0.22 8.5 M nearly 15:1 snow ratio; gauge catch 0.18"
2/27/2015 8:55 AM 0.00 0.0 M 8.0 M
2/28/2015 11:10 AM 0.00 0.0 M 7.0 M -10 at O'Hare, -12 at Wheeling this morning
3/1/2015 1:35 AM 0.01 0.1 M 7.0 M
3/2/2015 2:10 PM 0.00 0.0 M 6.5 M
3/3/2015 3:10 PM 0.25 1.0 M 7.5 M snow is covered with ice; gauge catch 0.20"
3/4/2015 2:30 PM 0.00 0.0 M 7.5 M mostly clear
3/5/2015 4:20 PM 0.00 0.0 M 7.5 M
3/6/2015 3:45 PM 0.00 0.0 M 7.5 M
3/7/2015 7:00 PM 0.00 0.0 M 5.5 M
3/8/2015 7:00 AM 0.00 0.0 M M M
3/9/2015 8:00 AM 0.00 0.0 M 4.0 M begin dst
3/10/2015 8:20 AM 0.00 0.0 M 3.0 M fog; high temp was 50 yesterday
3/11/2015 6:50 AM 0.00 0.0 M 2.0 M clear with light fog
3/12/2015 8:05 AM 0.00 0.0 M 1.0 M after 3 days in a row with high temp at or above 50, only half the ground is snow covered
3/13/2015 6:50 AM 0.00 0.0 M 0.5 M
3/14/2015 7:05 AM 0.00 0.0 M T M after a high of 65 yesterday, snow covers only about 10% of the ground
3/15/2015 7:40 AM 0.00 0.0 M T M dew on gauge but frost on grass
3/16/2015 7:30 AM 0.00 0.0 M 0.0 M
3/17/2015 7:40 AM 0.00 0.0 M 0.0 M high temp was 73 yesterday, but it is 36 now and windy with a low overcast
3/18/2015 9:15 AM 0.00 0.0 M 0.0 M
3/19/2015 7:00 AM 0.00 0.0 M M M
3/20/2015 7:00 AM 0.00 0.0 M M M
3/21/2015 3:25 PM 0.00 0.0 M 0.0 M clear
3/22/2015 4:10 PM 0.00 0.0 M 0.0 M overcast
3/23/2015 3:30 PM 0.50 4.5 0.50 4.5 M overcast; gauge caught 0.48
3/24/2015 10:55 PM T 0.0 M 3.0 M
3/25/2015 7:40 AM 0.30 0.0 M 2.0 M fog/mist
3/26/2015 8:40 AM 0.00 0.0 M T M
3/27/2015 8:05 AM 0.02 0.3 M 0.3 M mostly clear
3/28/2015 10:15 AM 0.00 0.0 M T M clear
3/29/2015 12:15 PM 0.02 0.0 M T M drizzle
3/30/2015 9:40 AM T 0.0 M T M partly cloudy - altocumulus
3/31/2015 7:00 AM 0.00 0.0 M M M
4/1/2015 7:10 AM 0.00 0.0 M 0.0 M
4/2/2015 7:55 AM 0.16 0.0 M 0.0 M rain just ended
4/3/2015 7:30 AM 0.03 0.0 M 0.0 M overcast
4/4/2015 7:10 AM 0.00 0.0 M 0.0 M clear
4/5/2015 7:55 AM 0.00 0.0 M 0.0 M
4/6/2015 9:15 AM 0.00 0.0 M 0.0 M overcast
4/7/2015 11:20 AM 0.02 0.0 M 0.0 M
4/8/2015 12:05 PM 0.03 0.0 M 0.0 M
4/9/2015 11:00 AM 1.44 0.0 M 0.0 M numerous thunderstorms over the last 12 hours; still raining
4/10/2015 12:10 PM 0.42 0.0 M 0.0 M went storm chasing yesterday: http://weatherdynamics.blogspot.com/2015/04/northern-illinois-tornadoes.html
4/11/2015 12:40 PM T 0.0 M 0.0 M
4/12/2015 2:10 PM 0.00 0.0 M 0.0 M overcast
4/13/2015 3:00 PM 0.24 0.0 M 0.0 M
4/14/2015 6:05 AM 0.01 0.0 M 0.0 M mostly clear
4/15/2015 6:30 AM 0.00 0.0 M 0.0 M clear
4/16/2015 7:20 AM T 0.0 M 0.0 M drizzle
4/17/2015 7:25 AM 0.01 0.0 M 0.0 M clear
4/18/2015 7:00 AM 0.00 0.0 M M M
4/19/2015 7:00 AM 0.00 0.0 M 0.0 M partly cloudy - altocu
4/20/2015 9:40 AM 0.42 0.0 M 0.0 M drizzling and windy
4/21/2015 6:35 AM 0.02 0.0 M 0.0 M mostly cloudy - stratocu
4/22/2015 7:25 AM 0.02 T M T M 0.01" of water + another 0.01" water equivalent from sleet stuck in the funnel. some sleet on the grass and on rooftops
4/23/2015 7:40 AM 0.00 0.0 M 0.0 M
4/24/2015 6:15 AM 0.00 0.0 M 0.0 M clear with frost
4/25/2015 7:00 AM 0.09 0.0 M 0.0 M
4/26/2015 7:00 AM 0.19 0.0 M 0.0 M
4/27/2015 7:05 AM 0.00 0.0 M 0.0 M clear
4/28/2015 7:00 AM 0.00 0.0 M M M
4/29/2015 12:10 PM 0.00 0.0 M 0.0 M
4/30/2015 7:00 AM 0.00 0.0 M M M
5/1/2015 6:40 AM 0.00 0.0 M 0.0 M clear/heavy dew
5/2/2015 7:05 AM 0.00 0.0 M 0.0 M
5/3/2015 1:15 PM 0.00 0.0 M 0.0 M very warm today and yesterday - temp 77 now
5/4/2015 11:20 AM 0.32 0.0 M 0.0 M
5/5/2015 3:30 PM 1.09 0.0 M 0.0 M persistent rain overnight, overcast now
5/6/2015 2:00 PM 0.01 0.0 M 0.0 M
5/7/2015 3:30 PM 0.00 0.0 M 0.0 M warm - temp 82 a O'Hare, 84 at Wheeling
5/8/2015 7:30 AM 0.04 0.0 M 0.0 M
5/9/2015 8:10 AM 0.74 0.0 M 0.0 M
5/10/2015 8:50 AM 0.05 0.0 M 0.0 M
5/11/2015 1:50 PM 0.07 0.0 M 0.0 M overcast
5/12/2015 4:40 PM 0.09 0.0 M 0.0 M windy and much cooler - temp 55
5/13/2015 6:40 AM 0.00 0.0 M 0.0 M clear and cold - temp 39 at Wheeling
5/14/2015 7:30 AM 0.00 0.0 M 0.0 M
5/15/2015 7:20 AM 0.18 0.0 M 0.0 M overcast
5/16/2015 5:50 AM 0.03 0.0 M 0.0 M overcast
5/17/2015 6:30 AM 0.06 0.0 M 0.0 M overcast
5/18/2015 7:00 AM 0.00 0.0 M M M
5/19/2015 6:50 AM T 0.0 M 0.0 M overcast
5/20/2015 6:30 AM 0.00 0.0 M 0.0 M
5/21/2015 5:50 AM 0.10 0.0 M 0.0 M
5/22/2015 6:45 AM 0.00 0.0 M 0.0 M clear
5/23/2015 7:15 AM 0.00 0.0 M 0.0 M
5/24/2015 8:45 AM T 0.0 M 0.0 M drizzle
5/25/2015 6:50 AM 0.22 0.0 M 0.0 M
5/26/2015 9:10 AM 0.21 0.0 M 0.0 M
5/27/2015 11:52 AM 0.49 0.0 M 0.0 M raining at 11:52, but stopped now
5/28/2015 9:40 AM 0.02 0.0 M 0.0 M
5/29/2015 10:30 AM 0.00 0.0 M 0.0 M
5/30/2015 12:40 PM 0.09 0.0 M 0.0 M overcast
5/31/2015 12:50 PM 0.18 0.0 M 0.0 M yesterday, temp dropped from upper 60s in the morning to upper 40s in the afternoon, and there was fairly persistent rain and wind
6/1/2015 8:00 AM 0.01 0.0 M 0.0 M
6/2/2015 6:05 AM 0.00 0.0 M 0.0 M
6/3/2015 5:25 AM 0.00 0.0 M 0.0 M
6/4/2015 7:00 AM 0.00 0.0 M 0.0 M
6/5/2015 6:05 AM 0.00 0.0 M 0.0 M overcast
6/6/2015 6:05 AM 0.00 0.0 M 0.0 M
6/7/2015 7:45 AM 0.10 0.0 M 0.0 M raining
6/8/2015 6:00 AM 0.26 0.0 M 0.0 M good mammatus display around sunset
6/9/2015 6:50 AM 0.31 0.0 M 0.0 M thunderstorm yesterday afternoon, with hail up to 1/2" diameter from 3:34-3:37 PM; right now, the disk of the sun is visible through clouds and appears very reddish
6/10/2015 5:20 AM T 0.0 M 0.0 M clear
6/11/2015 6:55 AM 0.00 0.0 M 0.0 M
6/12/2015 7:00 AM 0.40 0.0 M 0.0 M overcast
6/13/2015 7:45 AM 0.61 0.0 M 0.0 M cool and cloudy
6/14/2015 7:06 AM 0.74 0.0 M 0.0 M light rain
6/15/2015 7:00 AM 0.26 0.0 M 0.0 M light rain with thunder
6/16/2015 6:45 AM 1.40 0.0 M 0.0 M mostly clear
6/17/2015 8:56 AM 0.18 0.0 M 0.0 M light rain
6/18/2015 8:55 AM 0.46 0.0 M 0.0 M
6/19/2015 12:10 PM 0.01 0.0 M 0.0 M
6/20/2015 7:00 AM 0.00 0.0 M M M
6/21/2015 9:45 AM 0.30 0.0 M 0.0 M clear
6/22/2015 9:30 AM 0.02 0.0 M 0.0 M
6/23/2015 12:40 PM 0.13 0.0 M 0.0 M clear and much less humid
6/24/2015 7:00 AM 0.00 0.0 M M M
6/25/2015 6:10 AM 0.87 0.0 M 0.0 M thunderstorms overnight; rain ended recently
6/26/2015 7:00 AM 0.13 0.0 M 0.0 M
6/27/2015 5:00 AM 0.12 0.0 M 0.0 M
6/28/2015 6:10 AM 0.00 0.0 M 0.0 M
6/29/2015 8:00 AM 0.36 0.0 M 0.0 M light rain
6/30/2015 7:00 AM 0.13 0.0 M 0.0 M
7/1/2015 7:30 AM T 0.0 M 0.0 M
7/2/2015 7:15 AM T 0.0 M 0.0 M overcast
7/3/2015 7:40 AM 0.00 0.0 M 0.0 M
7/4/2015 6:20 AM 0.00 0.0 M 0.0 M
7/5/2015 7:00 AM 0.00 0.0 M M M
7/6/2015 7:00 AM 0.00 0.0 M M M
7/7/2015 7:02 AM 0.99 0.0 M 0.0 M thunderstorms yesterday in the early afternoon and evening; light rain and cooler now
7/8/2015 7:00 AM 0.01 0.0 M 0.0 M
7/9/2015 12:00 PM 0.17 0.0 M 0.0 M
7/10/2015 8:30 AM 0.00 0.0 M 0.0 M
7/11/2015 2:45 PM 0.01 0.0 M 0.0 M drizzle
7/12/2015 11:40 AM 0.10 0.0 M 0.0 M
7/13/2015 7:40 AM 0.21 0.0 M 0.0 M
7/14/2015 7:45 AM 0.12 0.0 M 0.0 M
7/15/2015 7:00 AM 0.00 0.0 M M M
7/16/2015 7:00 AM 0.00 0.0 M M M
7/17/2015 11:20 AM 0.94 0.0 M 0.0 M
7/18/2015 6:15 AM 0.12 0.0 M 0.0 M thunderstorm yesterday around 5 PM
7/19/2015 12:35 AM 0.85 0.0 M 0.0 M thunderstorm with shelf cloud and strong wind yesterday afternoon between 3 and 4PM
7/20/2015 7:00 AM T 0.0 M 0.0 M
7/21/2015 7:00 AM 0.00 0.0 M M M
7/22/2015 7:00 AM 0.00 0.0 M M M
7/23/2015 7:00 AM 0.00 0.0 M M M
7/24/2015 10:50 AM 0.00 0.0 M 0.0 M
7/25/2015 12:20 PM 0.00 0.0 M 0.0 M
7/26/2015 12:55 AM T 0.0 M 0.0 M overcast
7/27/2015 7:00 AM 0.00 0.0 M M M
7/28/2015 7:00 AM 0.00 0.0 M M M
7/29/2015 8:00 AM 0.10 0.0 M 0.0 M
7/30/2015 7:10 AM 0.00 0.0 M 0.0 M clear
7/31/2015 12:15 PM 0.00 0.0 M 0.0 M mostly clear
8/1/2015 7:00 AM 0.00 0.0 M M M
8/2/2015 6:20 AM 0.00 0.0 M 0.0 M
8/3/2015 6:35 AM 0.47 0.0 M 0.0 M thunderstorm last night with impressive lightning and hail up to 1.5" diameter from 10:31 - 10:36 PM CDT, the largest I've ever seen here
8/4/2015 7:00 AM 0.00 0.0 M M M
8/5/2015 7:00 AM 0.00 0.0 M 0.0 M mostly clear
8/6/2015 7:00 AM 0.00 0.0 M M M
8/7/2015 6:05 AM 0.00 0.0 M 0.0 M grass is starting to get brown in a few spots
8/8/2015 7:00 AM 0.00 0.0 M M M
8/9/2015 6:25 AM 0.00 0.0 M 0.0 M overcast
8/10/2015 7:20 AM T 0.0 M 0.0 M mostly cloudy
8/11/2015 7:45 AM 0.11 0.0 M 0.0 M
8/12/2015 6:55 AM T 0.0 M 0.0 M clear
8/13/2015 7:00 AM 0.00 0.0 M 0.0 M clear
8/14/2015 8:00 AM 0.00 0.0 M 0.0 M mostly cloudy. grass continues to look drier
8/15/2015 9:00 AM 0.32 0.0 M 0.0 M thunderstorms gave us some needed rain last night
8/16/2015 7:15 AM 1.02 0.0 M 0.0 M yesterday afternoon around 4 PM, thunderstorms formed along a lake breeze directly over my location and remained stationary until they dissipated
8/17/2015 7:55 AM 0.00 0.0 M 0.0 M
8/18/2015 7:55 AM 0.07 0.0 M 0.0 M
8/19/2015 11:30 AM 0.42 0.0 M 0.0 M
8/20/2015 12:40 AM T 0.0 M 0.0 M mostly cloudy - stratocu
8/21/2015 6:30 AM 0.00 0.0 M 0.0 M mostly clear
8/22/2015 7:00 AM 0.00 0.0 M M M
8/23/2015 1:25 PM 0.01 0.0 M 0.0 M clear and cool
8/24/2015 3:10 AM 0.00 0.0 M 0.0 M cool, windy, and mostly cloudy
8/25/2015 8:30 AM 0.00 0.0 M 0.0 M overcast
8/26/2015 3:40 AM 0.00 0.0 M 0.0 M overcast and unseasonably cool - temp just 65
8/27/2015 7:00 AM 0.00 0.0 M M M
8/28/2015 6:05 PM 0.00 0.0 M 0.0 M overcast
8/29/2015 7:05 AM 0.52 0.0 M 0.0 M light rain
8/30/2015 6:15 AM 0.50 0.0 M 0.0 M
8/31/2015 6:55 AM T 0.0 M 0.0 M fog - sun's disk appears red and dimmed; spider webs on the grass, and one on the gauge funnel
9/1/2015 7:00 AM 0.00 0.0 M M M
9/2/2015 10:00 AM 0.00 0.0 M 0.0 M
9/3/2015 7:10 AM 0.00 0.0 M 0.0 M mostly clear and hazy
9/4/2015 6:20 AM 0.00 0.0 M 0.0 M
9/5/2015 8:40 AM 0.00 0.0 M 0.0 M
9/6/2015 7:20 AM 0.00 0.0 M 0.0 M
9/7/2015 6:40 AM 0.00 0.0 M 0.0 M
9/8/2015 7:40 AM 0.04 0.0 M 0.0 M
9/9/2015 8:20 AM 0.69 0.0 M 0.0 M rained on and off yesterday; heavy rain around 6 PM but with no lightning
9/10/2015 9:40 AM 0.00 0.0 M 0.0 M overcast
9/11/2015 12:10 PM 0.98 0.0 M 0.0 M cool, mostly cloudy, and windy
9/12/2015 11:50 AM T 0.0 M 0.0 M partly cloudy - cumulus
9/13/2015 12:40 PM 0.00 0.0 M 0.0 M
9/14/2015 7:00 AM 0.00 0.0 M M M
9/15/2015 6:30 AM 0.00 0.0 M 0.0 M
9/16/2015 3:00 PM 0.00 0.0 M 0.0 M warm, clear, windy
9/17/2015 6:40 AM 0.00 0.0 M 0.0 M
9/18/2015 6:20 AM 1.37 0.0 M 0.0 M thunderstorms began around 4 PM and continued on and off through much of the night
9/19/2015 6:30 AM 1.45 0.0 M 0.0 M thunderstorms began around 6 PM
9/20/2015 7:00 AM 0.00 0.0 M M M
9/21/2015 7:10 AM 0.00 0.0 M 0.0 M
9/22/2015 10:15 AM 0.00 0.0 M 0.0 M clear
9/23/2015 7:00 AM 0.00 0.0 M M M
9/24/2015 8:55 AM 0.00 0.0 M 0.0 M
9/25/2015 6:50 AM 0.00 0.0 M 0.0 M
9/26/2015 7:40 AM 0.00 0.0 M 0.0 M
9/27/2015 8:15 AM 0.00 0.0 M 0.0 M overcast
9/28/2015 6:40 AM 0.00 0.0 M 0.0 M
9/29/2015 6:45 AM T 0.0 M 0.0 M cloudy and windy
9/30/2015 8:00 AM 0.07 0.0 M 0.0 M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes



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
6/8/2015 3:34 PM 1/2" Grape 3/8" 1/4" Pea Size Clear Ice|White Ice 3 1min no damage Continuous True After rain After smaller hail 10-20
8/2/2015 10:31 PM 1 1/2" Ping Pong Ball Size 1/2" Grape NA Hard|White Ice 5 1min minor leaf damage Continuous False After rain After smaller hail