Station Overview Station Location
Station Number IL-DP-78 Latitude 41.741838
Station Name Naperville 2.4 SE Longitude -88.116204
County Du Page Elevation (ft) 709



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 13 3.00 1.00 32 0.00 0 1.00 32 3 0 0 0.0 0 0
Nov 13 3.26 3.04 31 0.20 1 2.84 30 5 1 0 0.0 0 0
Dec 13 2.32 1.13 29 1.13 8 0.00 21 6 6 0 8.8 5 1
Jan 14 1.81 4.90 30 3.26 16 1.64 14 5 11 0 31.1 10 6
Feb 14 1.77 2.10 27 2.10 6 0.00 21 8 5 0 12.0 4 4
March 14 2.41 0.35 31 0.35 1 0.00 30 1 1 0 4.0 1 0
April 14 3.57 3.60 38 3.60 4 0.00 34 6 4 0 2.0 1 0
May 14 4.09 3.11 31 2.09 4 1.02 27 6 3 0 0.0 0 0
June 14 4.20 3.70 30 3.48 15 0.22 15 3 9 0 0.0 0 0
July 14 4.03 1.58 31 0.93 3 0.65 28 5 2 0 0.0 0 0
Aug 14 4.24 4.36 29 4.36 10 0.00 19 3 6 0 0.0 0 0
Sept 14 3.29 2.11 29 2.02 11 0.09 18 3 5 0 0.0 0 0
Water Year Totals: 37.99" 30.98" 368 days 23.52" 79 7.46" 289 days 54 53 days 0 days 57.9" 21 days 11 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
10/1/2013 **
10/2/2013 **
10/3/2013 0.00
10/4/2013 **
10/5/2013 **
10/6/2013 **
10/7/2013 **
10/8/2013 **
10/9/2013 **
10/10/2013 **
10/11/2013 **
10/12/2013 **
10/13/2013 **
10/14/2013 **
10/15/2013 **
10/16/2013 **
10/17/2013 **
10/18/2013 **
10/19/2013 **
10/20/2013 **
10/21/2013 **
10/22/2013 1.00
10/23/2013 **
10/24/2013 **
10/25/2013 **
10/26/2013 **
10/27/2013 **
10/28/2013 **
10/29/2013 **
10/30/2013 **
10/31/2013 **
11/1/2013 **
11/2/2013 **
11/3/2013 **
11/4/2013 **
11/5/2013 0.00
11/6/2013 **
11/7/2013 **
11/8/2013 **
11/9/2013 **
11/10/2013 **
11/11/2013 **
11/12/2013 0.62
11/13/2013 **
11/14/2013 **
11/15/2013 **
11/16/2013 0.00
11/17/2013 0.20
11/18/2013 **
11/19/2013 **
11/20/2013 **
11/21/2013 0.00
11/22/2013 **
11/23/2013 **
11/24/2013 **
11/25/2013 **
11/26/2013 **
11/27/2013 **
11/28/2013 **
11/29/2013 **
11/30/2013 **
12/1/2013 **
12/2/2013 **
12/3/2013 **
12/4/2013 **
12/5/2013 **
12/6/2013 **
12/7/2013 **
12/8/2013 0.00
12/9/2013 0.31
12/10/2013 **
12/11/2013 **
12/12/2013 **
12/13/2013 0.00
12/14/2013 0.39
12/15/2013 **
12/16/2013 0.00
12/17/2013
12/18/2013
12/19/2013 0.00
12/20/2013 0.37
12/21/2013 **
12/22/2013 0.00
12/23/2013 0.02
12/24/2013 0.00
12/25/2013 0.02
12/26/2013 **
12/27/2013 0.00
12/28/2013 **
12/29/2013 **
12/30/2013 0.00
12/31/2013 0.02
Day of YearDaily PrcpMultiday Prcp
1/1/2014 0.40
1/2/2014 0.46
1/3/2014 0.00
1/4/2014
1/5/2014 0.50
1/6/2014 0.50
1/7/2014 **
1/8/2014 **
1/9/2014 0.00
1/10/2014 0.04
1/11/2014 0.70
1/12/2014 **
1/13/2014 **
1/14/2014 **
1/15/2014 0.14
1/16/2014 **
1/17/2014 **
1/18/2014 0.00
1/19/2014 0.14
1/20/2014 0.00
1/21/2014 0.11
1/22/2014 0.00 **
1/23/2014 1.50
1/24/2014 0.00
1/25/2014 0.13
1/26/2014 0.20
1/27/2014
1/28/2014 0.00
1/29/2014 0.08
1/30/2014 **
1/31/2014 0.00
2/1/2014 0.35
2/2/2014 **
2/3/2014 **
2/4/2014 0.00
2/5/2014 0.35
2/6/2014 **
2/7/2014 0.00
2/8/2014 0.10
2/9/2014 **
2/10/2014 0.00
2/11/2014 **
2/12/2014 0.00
2/13/2014
2/14/2014 0.00 **
2/15/2014 0.00
2/16/2014 0.05
2/17/2014 M
2/18/2014 **
2/19/2014 0.00
2/20/2014 1.25
2/21/2014 **
2/22/2014 **
2/23/2014 **
2/24/2014 0.00
2/25/2014 **
2/26/2014 **
2/27/2014 **
2/28/2014 0.00
3/1/2014 0.35
3/2/2014 **
3/3/2014 **
3/4/2014 0.00
3/5/2014 **
3/6/2014 **
3/7/2014 **
3/8/2014 **
3/9/2014 **
3/10/2014 **
3/11/2014 **
3/12/2014 **
3/13/2014 **
3/14/2014 **
3/15/2014 **
3/16/2014 **
3/17/2014 **
3/18/2014 **
3/19/2014 **
3/20/2014 **
3/21/2014 **
3/22/2014 **
3/23/2014 **
3/24/2014 **
3/25/2014 **
3/26/2014 **
3/27/2014 **
3/28/2014 **
3/29/2014 **
3/30/2014 **
3/31/2014 **
Day of YearDaily PrcpMultiday Prcp
4/1/2014 **
4/2/2014 **
4/3/2014 0.00
4/4/2014 1.61 **
4/5/2014 **
4/6/2014 **
4/7/2014 **
4/8/2014 **
4/9/2014 **
4/10/2014 **
4/11/2014 **
4/12/2014 **
4/13/2014 0.00
4/14/2014 0.50
4/15/2014 **
4/16/2014 **
4/17/2014 **
4/18/2014 **
4/19/2014 **
4/20/2014 **
4/21/2014 0.00
4/22/2014 **
4/23/2014 0.22 **
4/24/2014 **
4/25/2014 **
4/26/2014 **
4/27/2014 **
4/28/2014 **
4/29/2014 1.27 **
4/30/2014 **
5/1/2014 **
5/2/2014 **
5/3/2014 **
5/4/2014 0.00
5/5/2014 0.22
5/6/2014 **
5/7/2014 **
5/8/2014 **
5/9/2014 0.00
5/10/2014 **
5/11/2014 **
5/12/2014 **
5/13/2014 **
5/14/2014 **
5/15/2014 **
5/16/2014 1.02
5/17/2014 **
5/18/2014 **
5/19/2014 0.00
5/20/2014 0.00
5/21/2014 1.45
5/22/2014 **
5/23/2014 **
5/24/2014 **
5/25/2014 **
5/26/2014 **
5/27/2014 0.00
5/28/2014 0.42 **
5/29/2014 **
5/30/2014 0.00
5/31/2014
6/1/2014 **
6/2/2014 **
6/3/2014 **
6/4/2014 **
6/5/2014 **
6/6/2014 0.22
6/7/2014 0.00
6/8/2014 0.33
6/9/2014 **
6/10/2014 0.00
6/11/2014 1.05
6/12/2014 **
6/13/2014 **
6/14/2014 **
6/15/2014 **
6/16/2014 **
6/17/2014 **
6/18/2014 0.00
6/19/2014 0.95
6/20/2014 0.00
6/21/2014 0.42
6/22/2014 0.55
6/23/2014 0.00
6/24/2014 0.04
6/25/2014 0.08
6/26/2014 0.05
6/27/2014 0.00
6/28/2014 0.00
6/29/2014 0.01
6/30/2014 0.00
Day of YearDaily PrcpMultiday Prcp
7/1/2014 0.88
7/2/2014 0.00
7/3/2014 **
7/4/2014 **
7/5/2014 **
7/6/2014 **
7/7/2014 **
7/8/2014 **
7/9/2014 **
7/10/2014 **
7/11/2014 **
7/12/2014 0.00
7/13/2014 **
7/14/2014 **
7/15/2014 **
7/16/2014 **
7/17/2014 **
7/18/2014 **
7/19/2014 0.65
7/20/2014 **
7/21/2014 **
7/22/2014 0.00
7/23/2014 0.05
7/24/2014 **
7/25/2014 0.00
7/26/2014 **
7/27/2014 **
7/28/2014 **
7/29/2014 **
7/30/2014 **
7/31/2014 0.00
8/1/2014 0.00
8/2/2014 0.55
8/3/2014 **
8/4/2014 0.00
8/5/2014 0.40
8/6/2014 0.00
8/7/2014 **
8/8/2014 **
8/9/2014 0.00
8/10/2014 0.71
8/11/2014 **
8/12/2014 **
8/13/2014 **
8/14/2014 **
8/15/2014 **
8/16/2014 **
8/17/2014 **
8/18/2014 0.00
8/19/2014
8/20/2014 2.21
8/21/2014
8/22/2014 0.34
8/23/2014 0.00
8/24/2014 0.15
8/25/2014 0.00
8/26/2014 **
8/27/2014 **
8/28/2014 **
8/29/2014 **
8/30/2014 **
8/31/2014 **
9/1/2014 **
9/2/2014 **
9/3/2014 **
9/4/2014 0.09
9/5/2014 0.30
9/6/2014 0.23
9/7/2014 0.00
9/8/2014 0.00
9/9/2014 0.00
9/10/2014 0.00
9/11/2014 1.33
9/12/2014
9/13/2014 0.00
9/14/2014 0.00
9/15/2014 0.09
9/16/2014 **
9/17/2014 **
9/18/2014 **
9/19/2014 0.00
9/20/2014 0.07
9/21/2014 **
9/22/2014 **
9/23/2014 **
9/24/2014 **
9/25/2014 0.00
9/26/2014 **
9/27/2014 **
9/28/2014 **
9/29/2014 **
9/30/2014 **



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
11/17/2013 7:00 AM 0.20 M M M M
12/9/2013 7:00 AM 0.31 3.0 M M M
12/14/2013 7:00 AM 0.39 3.0 M M M
12/19/2013 7:00 AM 0.00 0.0 0.07 2.0 M
12/20/2013 7:00 AM 0.37 M M M M Precipitation was all rain. Above freezing temperatures. All existing snow melted as a result of rain.
12/23/2013 7:00 AM 0.02 1.0 M M M
12/24/2013 7:00 AM 0.00 0.0 M M M
12/25/2013 7:00 AM 0.02 1.0 M M M
12/31/2013 7:00 AM 0.02 0.8 M M M Very light dusting of dry, fluffy snow
1/1/2014 7:00 AM 0.40 2.5 M M M Light snow began at approximately 1400 hours on 31 December 2013 and quit over night.
1/2/2014 7:00 AM 0.46 8.0 M 8.0 M Snow began in earnest on New Year's Day and continued until early afternoon on the 2nd. Snow was steady throughout with short waves of heavy snow in the AM.
1/3/2014 7:00 AM 0.00 0.0 M M M
1/5/2014 7:00 AM 0.50 5.0 M 7.0 M
1/6/2014 7:00 AM 0.50 5.0 M 10.0 M
1/10/2014 7:00 AM 0.04 0.3 0.01 6.0 0.14
1/11/2014 7:00 AM 0.70 0.0 M 4.5 0.16
1/19/2014 7:00 AM 0.14 2.5 M M M
1/20/2014 7:00 AM 0.00 0.0 M 4.0 0.07
1/21/2014 7:00 AM 0.11 2.5 M M M
1/22/2014 7:00 AM 0.00 0.0 M M M
1/24/2014 7:00 AM 0.00 0.0 M M M
1/25/2014 7:00 AM 0.13 2.0 M M M
1/26/2014 7:00 AM 0.20 2.5 0.08 M M
1/28/2014 7:00 AM 0.00 0.0 M M M
1/29/2014 7:00 AM 0.08 0.8 M M M
2/1/2014 7:00 AM 0.35 4.0 M 8.0 M
2/5/2014 7:00 AM 0.35 4.0 M 12.0 0.21
2/8/2014 7:00 AM 0.10 3.0 M M M
2/14/2014 7:00 AM 0.00 0.0 M 7.0 0.15
2/16/2014 7:00 AM 0.05 1.0 M 7.0 0.25
2/17/2014 7:00 AM M M M M M
2/20/2014 7:00 AM 1.25 M M M M
3/1/2014 7:00 AM 0.35 4.0 M M M
4/4/2014 7:00 AM 1.61 0.0 0.00 0.0 0.00
4/14/2014 7:00 AM 0.50 2.0 M M M
4/23/2014 7:00 AM 0.22 M M M M
4/29/2014 7:00 AM 1.27 M M M M
5/5/2014 7:00 AM 0.22 M M M M
5/20/2014 7:00 AM 0.00 0.0 M M M
5/21/2014 7:00 AM 1.45 M M M M
5/28/2014 7:00 AM 0.42 M M M M
6/7/2014 7:00 AM 0.00 0.0 M M M
6/8/2014 7:00 AM 0.33 M M M M
6/11/2014 7:00 AM 1.05 M M M M
6/19/2014 7:00 AM 0.95 M M M M
6/20/2014 7:00 AM 0.00 0.0 M M M
6/21/2014 7:00 AM 0.42 M M M M
6/22/2014 7:00 AM 0.55 M M M M
6/23/2014 7:00 AM 0.00 0.0 M M M
6/24/2014 7:00 AM 0.04 M M M M
6/25/2014 7:00 AM 0.08 M M M M
6/26/2014 7:00 AM 0.05 M M M M
6/27/2014 7:00 AM 0.00 0.0 M M M
6/28/2014 7:00 AM 0.00 0.0 M M M
6/29/2014 7:00 AM 0.01 M M M M
6/30/2014 7:00 AM 0.00 0.0 M M M
7/1/2014 7:00 AM 0.88 M M M M
7/2/2014 7:00 AM 0.00 0.0 M M M
7/23/2014 7:00 AM 0.05 M M M M
8/1/2014 7:00 AM 0.00 0.0 M M M
8/2/2014 7:00 AM 0.55 M M M M
8/5/2014 7:00 AM 0.40 M M M M
8/6/2014 7:00 AM 0.00 0.0 M M M
8/10/2014 7:00 AM 0.71 M M M M
8/20/2014 7:00 AM 2.21 M M M M
8/22/2014 7:00 AM 0.34 M M M M
8/23/2014 7:00 AM 0.00 0.0 M M M
8/24/2014 7:00 AM 0.15 M M M M
8/25/2014 7:00 AM 0.00 0.0 M M M
9/5/2014 7:00 AM 0.30 0.0 M M M
9/6/2014 7:00 AM 0.23 M M M M
9/7/2014 7:00 AM 0.00 0.0 M M M
9/8/2014 7:00 AM 0.00 0.0 M M M
9/9/2014 7:00 AM 0.00 0.0 M M M
9/10/2014 7:00 AM 0.00 0.0 M M M
9/11/2014 7:00 AM 1.33 M M M M
9/13/2014 7:00 AM 0.00 0.0 M M M
9/14/2014 7:00 AM 0.00 0.0 M M M
9/15/2014 7:00 AM 0.09 M M M M
9/20/2014 7:00 AM 0.07 M M M M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
9/30/2013 10/03/2013 12:00 AM 4 0.00 M M
10/4/2013 10/22/2013 12:00 AM 19 1.00 M M
10/23/2013 10/31/2013 12:00 AM 9 0.00 M M
10/31/2013 11/02/2013 12:00 AM 3 2.22 M M
11/2/2013 11/05/2013 12:00 AM 4 0.00 M M
11/6/2013 11/12/2013 12:00 AM 7 0.62 0.5 M
11/13/2013 11/16/2013 12:00 AM 4 0.00 M M
11/18/2013 11/21/2013 12:00 AM 4 0.00 M M
11/22/2013 12/08/2013 12:00 AM 17 0.00 M M
12/10/2013 12/13/2013 12:00 AM 4 0.00 3.0 M
12/15/2013 12/16/2013 12:00 AM 2 0.00 5.0 M
12/21/2013 12/22/2013 12:00 AM 2 0.00 M M
12/26/2013 12/27/2013 12:00 AM 2 0.00 M M
12/28/2013 12/30/2013 12:00 AM 3 0.00 M M
1/7/2014 1/09/2014 12:00 AM 3 0.00 7.5 M
1/12/2014 1/15/2014 12:00 AM 4 0.14 M M 2.5 inches of snow fell during the period
1/16/2014 1/18/2014 12:00 AM 3 0.00 M M
1/22/2014 1/23/2014 12:00 AM 2 1.50 4.0 M
1/30/2014 1/31/2014 12:00 AM 2 0.00 M M
2/2/2014 2/04/2014 12:00 AM 3 0.00 8.0 0.16
2/6/2014 2/07/2014 12:00 AM 2 0.00 M M
2/9/2014 2/10/2014 12:00 AM 2 0.00 M M
2/11/2014 2/12/2014 12:00 AM 2 0.00 M M
2/14/2014 2/15/2014 12:00 AM 2 0.00 M M
2/18/2014 2/19/2014 12:00 AM 2 0.00 M M
2/21/2014 2/24/2014 12:00 AM 4 0.00 M M
2/25/2014 2/28/2014 12:00 AM 4 0.00 M M
3/2/2014 3/04/2014 12:00 AM 3 0.00 10.0 0.23
3/5/2014 4/03/2014 12:00 AM 30 0.00 0.0 0.00
4/4/2014 4/07/2014 12:00 AM 4 0.00 0.0 0.00
4/5/2014 4/13/2014 12:00 AM 9 0.00 M M
4/15/2014 4/21/2014 12:00 AM 7 0.00 M M
4/22/2014 4/24/2014 12:00 AM 3 0.00 M M
4/24/2014 4/29/2014 12:00 AM 6 0.00 M M
4/29/2014 5/04/2014 12:00 AM 6 0.00 M M
5/6/2014 5/09/2014 12:00 AM 4 0.00 M M
5/10/2014 5/16/2014 12:00 AM 7 1.02 M M
5/17/2014 5/19/2014 12:00 AM 3 0.00 M M
5/22/2014 5/27/2014 12:00 AM 6 0.00 M M
5/28/2014 5/30/2014 12:00 AM 3 0.00 M M
6/1/2014 6/06/2014 12:00 AM 6 0.22 M M
6/9/2014 6/10/2014 12:00 AM 2 0.00 M M
6/12/2014 6/18/2014 12:00 AM 7 0.00 M M
7/3/2014 7/12/2014 12:00 AM 10 0.00 M M
7/13/2014 7/19/2014 12:00 AM 7 0.65 M M
7/20/2014 7/22/2014 12:00 AM 3 0.00 M M
7/24/2014 7/25/2014 12:00 AM 2 0.00 M M
7/26/2014 7/31/2014 12:00 AM 6 0.00 M M
8/3/2014 8/04/2014 12:00 AM 2 0.00 M M
8/7/2014 8/09/2014 12:00 AM 3 0.00 M M
8/11/2014 8/18/2014 12:00 AM 8 0.00 M M
8/26/2014 9/04/2014 12:00 AM 10 0.09 M M
9/16/2014 9/19/2014 12:00 AM 4 0.00 M M
9/21/2014 9/25/2014 12:00 AM 5 0.00 M M
9/26/2014 10/02/2014 12:00 AM 7 0.00 M 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