Station Overview Station Location
Station Number IL-CK-156 Latitude 42.103099
Station Name Arlington Heights 0.6 N Longitude -87.981425
County Cook Elevation (ft) 704



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 2.96 2.88 27 0.29 7 2.59 20 3 2 0 0.0 0 0
Nov 11 3.01 2.60 22 1.22 7 1.38 15 2 2 0 0.0 0 0
Dec 11 2.24 0.94 20 0.00 3 0.94 17 3 0 0 0.0 0 1
Jan 12 1.75 0.31 2 0.31 2 0.00 0 0 1 0 0.0 0 1
Feb 12 1.69 0.65 9 0.40 2 0.25 7 1 1 0 4.8 1 1
March 12 2.31 1.51 30 0.10 3 1.41 27 2 1 0 1.0 1 1
April 12 3.43 1.35 25 1.31 2 0.04 23 1 1 0 0.0 0 0
May 12 4.06 1.45 33 0.10 2 1.35 31 2 1 0 0.0 0 0
June 12 4.01 1.71 13 0.89 4 0.82 9 1 1 0 0.0 0 0
July 12 3.82 1.60 15 0.20 6 1.40 9 3 1 0 0.0 0 0
Aug 12 4.47 1.59 13 0.30 4 1.29 9 2 2 0 0.0 0 0
Sept 12 3.39 1.44 25 0.29 5 1.15 20 3 1 0 0.0 0 0
Water Year Totals: 37.14" 18.03" 234 days 5.41" 47 12.62" 187 days 23 14 days 0 days 5.8" 2 days 4 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
10/2/2011
10/3/2011
10/4/2011
10/5/2011
10/6/2011
10/7/2011
10/8/2011 0.00
10/9/2011
10/10/2011 **
10/11/2011 **
10/12/2011 **
10/13/2011 **
10/14/2011 **
10/15/2011 0.00 1.50
10/16/2011 0.19
10/17/2011 **
10/18/2011 **
10/19/2011 **
10/20/2011 **
10/21/2011 **
10/22/2011 0.00 0.59
10/23/2011 0.00 **
10/24/2011 **
10/25/2011 **
10/26/2011 **
10/27/2011 **
10/28/2011 **
10/29/2011 0.00 0.50
10/30/2011 0.10
10/31/2011 **
11/1/2011 **
11/2/2011 **
11/3/2011 **
11/4/2011 **
11/5/2011 **
11/6/2011 0.00 0.13
11/7/2011 **
11/8/2011 **
11/9/2011 **
11/10/2011 **
11/11/2011 **
11/12/2011 0.00 1.25
11/13/2011 0.00
11/14/2011
11/15/2011
11/16/2011
11/17/2011
11/18/2011
11/19/2011 0.00
11/20/2011 0.00
11/21/2011
11/22/2011
11/23/2011
11/24/2011
11/25/2011
11/26/2011 0.21
11/27/2011 1.01
11/28/2011 **
11/29/2011 **
11/30/2011 **
12/1/2011 **
12/2/2011 **
12/3/2011 **
12/4/2011 0.00 0.38
12/5/2011 **
12/6/2011 **
12/7/2011 **
12/8/2011 **
12/9/2011 **
12/10/2011 **
12/11/2011 0.00 0.15
12/12/2011
12/13/2011
12/14/2011
12/15/2011
12/16/2011
12/17/2011
12/18/2011
12/19/2011 **
12/20/2011 **
12/21/2011 **
12/22/2011 **
12/23/2011 **
12/24/2011 0.00 0.41
12/25/2011
12/26/2011
12/27/2011
12/28/2011
12/29/2011
12/30/2011
12/31/2011
Day of YearDaily PrcpMultiday Prcp
1/1/2012 0.31
1/2/2012
1/3/2012
1/4/2012
1/5/2012
1/6/2012
1/7/2012 0.00
1/8/2012
1/9/2012
1/10/2012
1/11/2012
1/12/2012
1/13/2012
1/14/2012
1/15/2012 M
1/16/2012
1/17/2012
1/18/2012
1/19/2012
1/20/2012
1/21/2012
1/22/2012
1/23/2012
1/24/2012
1/25/2012
1/26/2012
1/27/2012
1/28/2012
1/29/2012
1/30/2012
1/31/2012
2/1/2012
2/2/2012
2/3/2012
2/4/2012
2/5/2012
2/6/2012
2/7/2012
2/8/2012
2/9/2012
2/10/2012
2/11/2012
2/12/2012
2/13/2012 **
2/14/2012 **
2/15/2012 **
2/16/2012 **
2/17/2012 **
2/18/2012 **
2/19/2012 0.00 0.25
2/20/2012
2/21/2012
2/22/2012
2/23/2012
2/24/2012
2/25/2012
2/26/2012
2/27/2012 0.40
2/28/2012
2/29/2012
3/1/2012
3/2/2012
3/3/2012
3/4/2012 0.10
3/5/2012 **
3/6/2012 **
3/7/2012 **
3/8/2012 **
3/9/2012 **
3/10/2012 **
3/11/2012 0.00 0.40
3/12/2012 **
3/13/2012 **
3/14/2012 **
3/15/2012 **
3/16/2012 **
3/17/2012 **
3/18/2012 **
3/19/2012 **
3/20/2012 **
3/21/2012 **
3/22/2012 **
3/23/2012 **
3/24/2012 0.00 1.01
3/25/2012 **
3/26/2012 **
3/27/2012 **
3/28/2012 **
3/29/2012 **
3/30/2012 **
3/31/2012 **
Day of YearDaily PrcpMultiday Prcp
4/1/2012 **
4/2/2012 **
4/3/2012 **
4/4/2012 **
4/5/2012 **
4/6/2012 **
4/7/2012 **
4/8/2012 0.00 0.04
4/9/2012
4/10/2012
4/11/2012
4/12/2012
4/13/2012
4/14/2012
4/15/2012 1.31
4/16/2012 **
4/17/2012 **
4/18/2012 **
4/19/2012 **
4/20/2012 **
4/21/2012 **
4/22/2012 **
4/23/2012 **
4/24/2012 **
4/25/2012 **
4/26/2012 **
4/27/2012 **
4/28/2012 **
4/29/2012 **
4/30/2012 **
5/1/2012 **
5/2/2012 **
5/3/2012 **
5/4/2012 **
5/5/2012 **
5/6/2012 **
5/7/2012 **
5/8/2012 **
5/9/2012 **
5/10/2012 **
5/11/2012 **
5/12/2012 **
5/13/2012 0.10 1.09
5/14/2012 **
5/15/2012 **
5/16/2012 **
5/17/2012 **
5/18/2012 **
5/19/2012 **
5/20/2012 **
5/21/2012 **
5/22/2012 **
5/23/2012 **
5/24/2012 **
5/25/2012 **
5/26/2012 **
5/27/2012 0.00 0.26
5/28/2012 **
5/29/2012 **
5/30/2012 **
5/31/2012 **
6/1/2012 **
6/2/2012 **
6/3/2012 0.00 0.82
6/4/2012
6/5/2012
6/6/2012
6/7/2012
6/8/2012
6/9/2012
6/10/2012 0.00
6/11/2012
6/12/2012
6/13/2012
6/14/2012
6/15/2012
6/16/2012
6/17/2012 0.89
6/18/2012
6/19/2012
6/20/2012
6/21/2012
6/22/2012
6/23/2012
6/24/2012 0.00
6/25/2012 **
6/26/2012 **
6/27/2012 **
6/28/2012 **
6/29/2012 **
6/30/2012 **
Day of YearDaily PrcpMultiday Prcp
7/1/2012 0.00 0.29
7/2/2012
7/3/2012
7/4/2012
7/5/2012
7/6/2012
7/7/2012 0.00
7/8/2012
7/9/2012
7/10/2012
7/11/2012
7/12/2012
7/13/2012
7/14/2012 0.20
7/15/2012 0.00
7/16/2012 **
7/17/2012 **
7/18/2012 **
7/19/2012 **
7/20/2012 **
7/21/2012 0.00 0.51
7/22/2012
7/23/2012
7/24/2012
7/25/2012
7/26/2012
7/27/2012 **
7/28/2012 0.00 0.60
7/29/2012
7/30/2012
7/31/2012
8/1/2012
8/2/2012
8/3/2012
8/4/2012 0.09
8/5/2012
8/6/2012
8/7/2012
8/8/2012
8/9/2012
8/10/2012
8/11/2012 **
8/12/2012 0.00 0.90
8/13/2012 **
8/14/2012 **
8/15/2012 **
8/16/2012 **
8/17/2012 **
8/18/2012 **
8/19/2012 0.00 0.39
8/20/2012
8/21/2012
8/22/2012
8/23/2012
8/24/2012
8/25/2012
8/26/2012 0.21
8/27/2012
8/28/2012
8/29/2012
8/30/2012
8/31/2012
9/1/2012 0.29
9/2/2012
9/3/2012 **
9/4/2012 **
9/5/2012 **
9/6/2012 **
9/7/2012 **
9/8/2012 0.00 0.42
9/9/2012 **
9/10/2012 **
9/11/2012 **
9/12/2012 **
9/13/2012 **
9/14/2012 0.00 0.41
9/15/2012 **
9/16/2012 **
9/17/2012 **
9/18/2012 **
9/19/2012 **
9/20/2012 **
9/21/2012 **
9/22/2012 0.00 0.32
9/23/2012
9/24/2012
9/25/2012
9/26/2012
9/27/2012
9/28/2012
9/29/2012
9/30/2012 0.00



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/8/2011 11:19 PM 0.00 0.0 M M M
10/15/2011 2:42 PM 0.00 0.0 M M M "1.5 INCHES OF "OLD RAIN IN THE "RAIN GAGE" FROM "THURSDAY". CHARLIE CAHILL
10/16/2011 10:21 AM 0.19 M M M M
10/22/2011 5:46 PM 0.00 0.0 M M M "0.59 INCHES" OF "OLD RAIN" FROM "THURSDAY".
10/23/2011 5:57 PM 0.00 0.0 M M M
10/29/2011 8:28 PM 0.00 0.0 M M M "0.50 IN." OF "OLD RAIN" IN THE "RAIN GAGE" FROM "THURSDAY'S RAIN". CHARLIE CAHILL
10/30/2011 5:40 PM 0.10 M M M M "CURRENTLY RAINING". CHARLIE CAHILL
11/6/2011 12:50 PM 0.00 0.0 M M M "0.13 IN." OF "OLD RAIN" IN THE "RAIN GAGE" FROM "THURSDAY"
11/12/2011 5:54 PM 0.00 0.0 M M M "1.25 IN. OF "OLD RAIN" IN THE "RAIN GAGE", HIGH "60".
11/13/2011 1:06 PM 0.00 0.0 M M M
11/19/2011 3:16 PM 0.00 0.0 M M M
11/20/2011 8:48 PM 0.00 0.0 M M M HIGH "57" AT "MIDNIGHT". CHARLIE CAHILL
11/26/2011 2:15 PM 0.21 M M M M
11/27/2011 8:57 PM 1.01 M M M M
12/4/2011 4:17 PM 0.00 0.0 M M M "0.38 IN.OF RAIN IN THE "RAIN GAGE" FROM "YESTERDAY". CHARLIE CAHILL
12/11/2011 4:34 PM 0.00 0.0 M 0.3 M "THERE WAS "0.15 IN." OF "WATER CONTENT" FROM "OLD SNOW" FROM "THURSDAY NIGHT'S SNOW" THAT MELTED", BUT SADLY THERE WERE "2 SIGNIFICANT PATCHES OF SNOW" LIKE "1/3 OF AN INCH. BEHIND THE "HOUSE" + "BEHIND THE "GARAGE" THAT "SOMEHOW "DIDN'T MELT IN THE "45 DEGREE AIR".
12/24/2011 5:48 PM 0.00 0.0 M M M "0.41" IN. OF "OLD RAIN IN THE "RAIN GAGE".
1/1/2012 12:03 PM 0.31 T M M M "NEW RAIN" + "OLD RAIN", "TRACE OF SNOW WHILE "TAKING THE MEASUREMENT" + "AFTER". CHARLIE CAHILL
1/7/2012 7:34 PM 0.00 0.0 M M M
1/15/2012 3:07 AM M M M 5.4 0.99 THE "0.99 IN." OF "SNOW" "SETTLED" OR "SUBLIMATED" NOT "MELTED". CHARLIE CAHILL \\jmorril - 2/15/2012: Total appears to be a multi-day total. Changing to NA as surrounding areas reported no precipitation. This looks like it should have been a multi-day report.
2/19/2012 7:34 AM 0.00 0.0 M M M "0.25 IN. OF "OLD RAIN" IN THE "RAIN GAGE" ("NOTE : "THE "TEMPERATURE WAS "BELOW "32", SO IT WAS "FROZEN SOLID ICE" SO I "COULDN'T "EMPTY THE "RAIN GAGE"
2/27/2012 11:11 AM 0.40 4.8 M 2.0 2.78
3/4/2012 11:24 PM 0.10 1.0 M 1.0 M
3/11/2012 3:15 PM 0.00 0.0 M 0.0 1.00 "0.40 IN.OF "OLD RAIN IN THE "RAIN GAGE".
3/24/2012 7:15 PM 0.00 0.0 M M M "1.01 IN. OF "OLD RAIN FROM "FRIDAY" IN THE "RAIN GAGE".
4/8/2012 12:01 PM 0.00 0.0 M M M "0.04 IN. OF "OLD RAIN" IN THE "RAIN GAGE".
4/15/2012 3:42 PM 1.31 M M M M
5/13/2012 11:05 AM 0.10 M M M M "1.19 "INCHES OF "OLD RAIN" IN THE "RAIN GAGE" "INCLUDING "0.10" "FROM YESTERDAY". CHARLIE CAHILL
5/27/2012 12:16 PM 0.00 0.0 M M M "0.26 IN. OF "OLD RAIN" IN THE "RAIN GAGE". CHARLIE CAHILL
6/3/2012 12:51 PM 0.00 0.0 M M M "0.82 IN." OF "OLD RAIN "FROM "THURSDAY" IN THE "RAIN GAGE".
6/10/2012 8:48 AM 0.00 0.0 M M M
6/17/2012 10:04 AM 0.89 M M M M
6/24/2012 9:04 AM 0.00 0.0 M M M
7/1/2012 8:25 PM 0.00 0.0 M M M "0.29 IN. OF "OLD RAIN" FROM "FRIDAY" IN THE "RAIN GAGE".
7/7/2012 8:37 PM 0.00 0.0 M M M "COMPLETELY DIFFERENT", "ABSOLUTELY "UNBELIEVEABLE OUTSIDE"!!!!
7/14/2012 11:34 AM 0.20 M M M M "WE "NEED A "WHOLE LOT MORE "SIGNIFICANT RAIN"!!!!, "RAINING AGAIN" "VERY LIGHTLY", "SATURDAY "2:33 P.M." CHARLIE CAHILL
7/15/2012 3:35 PM 0.00 0.0 M M M
7/21/2012 8:17 PM 0.00 0.0 M M M "0.51 IN. OF "OLD RAIN" FROM "THURSDAY" IN THE "RAIN GAGE".
7/28/2012 3:54 PM 0.00 0.0 M M M "0.60 IN." OF "OLD RAIN" IN THE "RAIN GAGE".
8/4/2012 7:26 PM 0.09 M M M M "DISGUSTINGLY DISAPPOINTING "EVERYBODY ELSE GOT LOTS", WAAAAA!!!!"
8/12/2012 1:36 PM 0.00 0.0 M M M "0.90 IN. OF "OLD RAIN" FROM "THURSDAY" IN THE "RAIN GAGE".
8/19/2012 12:02 PM 0.00 0.0 M M M "0.39 IN." OF "OLD RAIN" FROM "THURSDAY" IN THE "RAIN GAGE".
8/26/2012 12:48 PM 0.21 M M M M "STILL "RAINING AT "12:48".
9/1/2012 3:41 PM 0.29 M M M M
9/8/2012 5:12 PM 0.00 0.0 M M M "0.42 IN." OF "OLD RAIN" IN THE "RAIN GAGE".
9/14/2012 7:47 PM 0.00 0.0 M M M "0.41" IN."OF "OLD RAIN" FROM "THURSDAY" IN THE "RAIN GAGE". CHARLIE CAHILL
9/22/2012 10:53 PM 0.00 0.0 M M M "0.32 IN. OF "OLD RAIN" IN THE "RAIN GAGE".
9/30/2012 6:50 AM 0.00 0.0 M M M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
10/10/2011 10/15/2011 2:42 PM 6 1.50 M M "1.5 INCHES OF "RAIN ON "THURSDAY". CHARLIE CAHILL
10/17/2011 10/22/2011 5:46 PM 6 0.59 M M "0.59" INCHES OF "OLD RAIN" ON "THURSDAY". CHARLIE CAHILL
10/23/2011 10/29/2011 8:28 PM 7 0.50 M M "RAIN "FELL ON "THURSDAY". THE LEGEND, CHARLIE CAHILL
10/31/2011 11/06/2011 12:50 PM 7 0.13 M M "0.13 IN. OF "OLD RAIN" ON "THURSDAY"
11/7/2011 11/12/2011 5:54 PM 6 1.25 M M "1.25 INCHES OF "OLD RAIN" IN THE "RAIN GAGE".
11/28/2011 12/04/2011 4:17 PM 7 0.38 M M "WE HAD "0.38 IN. OF "OLD RAIN" IN THE "RAIN GAGE" FROM "YESTERDAY". CHARLIE CAHILL
12/5/2011 12/11/2011 4:34 PM 7 0.15 0.3 0.15 "THERE WAS "0.15 IN." OF "WATER CONTENT" FROM "OLD SNOW" FROM "THURSDAY NIGHT'S SNOW" THAT MELTED", BUT SADLY THERE WERE "2 SIGNIFICANT PATCHES OF SNOW" LIKE "1/3 OF AN INCH. BEHIND THE "HOUSE" + "BEHIND THE "GARAGE" THAT "SOMEHOW "DIDN'T MELT IN THE "45 DEGREE AIR". CHARLIE CAHILL
12/19/2011 12/24/2011 5:48 PM 6 0.41 M M "0.41" IN. OF "OLD RAIN" IN THE "RAIN GAGE". CHARLIE CAHILL
2/13/2012 2/19/2012 7:34 AM 7 0.25 M M "0.25 IN. OF "OLD RAIN" IN THE "RAIN GAGE"("NOTE : THE "TEMPERATURE WAS "BELOW "32" SO THE "RAIN WAS "SOLID ICE", SO I "COULDN'T "EMPTY THE "RAIN GAGE".) CHARLIE CAHILL
3/5/2012 3/11/2012 3:15 PM 7 0.40 M M '0.40 IN. OF 'OLD RAIN IN THE 'RAIN GAGE'. CHARLIE CAHILL
3/12/2012 3/24/2012 7:15 PM 13 1.01 M M 1.01 INCHES OF "OLD RAIN" FROM "FRIDAY" IN THE "RAIN GAGE.
3/25/2012 4/08/2012 12:01 PM 15 0.04 M M "0.04 IN. OF "OLD RAIN" IN THE "RAIN GAGE". CHARLIE CAHILL
4/16/2012 5/13/2012 11:05 AM 28 1.09 M M "1.09 IN." OF "OLD RAIN IN THE "RAIN GAGE". CHARLIE CAHILL
5/14/2012 5/27/2012 12:16 PM 14 0.26 M M "0.26 IN." OF "OLD RAIN" IN THE "RAIN GAGE".
5/28/2012 6/03/2012 12:51 PM 7 0.82 M M "0.82 IN. OF "OLD RAIN" FROM "THURSDAY" IN THE "RAIN GAGE". CHARLIE CAHILL
6/25/2012 7/01/2012 8:25 PM 7 0.29 M M "0.29 IN.OF "OLD RAIN" "FROM FRIDAY" IN THE "RAIN GAGE".
7/16/2012 7/21/2012 8:17 PM 6 0.51 M M "0.51 IN. OF "OLD RAIN" IN THE "RAIN GAGE". CHARLIE CAHILL
7/27/2012 7/28/2012 3:54 PM 2 0.60 M M "0.60 IN. OF "OLD RAIN" IN THE "RAIN GAGE".
8/11/2012 8/12/2012 1:36 PM 2 0.90 M M "0.90 IN." OF "OLD RAIN FROM "THURSDAY" IN THE "RAIN GAGE".
8/13/2012 8/19/2012 12:02 PM 7 0.39 M M "0.39 IN. OF "OLD RAIN" FROM "THURSDAY" IN THE "RAIN GAGE".
9/3/2012 9/08/2012 5:12 AM 6 0.42 M M "0.42 IN." OF "OLD RAIN" IN THE "RAIN GAGE".
9/9/2012 9/14/2012 7:47 PM 6 0.41 M M "0.41 IN. OF "OLD RAIN" FROM "THURSDAY" IN THE "RAIN GAGE". CHARLIE CAHILL
9/15/2012 9/22/2012 10:53 PM 8 0.32 M M 0.32 IN. OF "OLD RAIN" IN THE "RAIN GAGE".



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