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 12 3.00 2.35 31 0.00 0 2.35 31 4 0 0 0.0 0 0
Nov 12 3.26 1.13 32 0.40 1 0.73 31 5 1 0 0.0 0 0
Dec 12 2.32 1.45 30 1.45 1 0.00 29 4 1 0 0.0 0 0
Jan 13 1.81 2.50 32 0.05 1 2.45 31 4 1 0 1.0 1 0
Feb 13 1.77 1.50 28 0.00 0 1.50 28 2 0 0 0.0 0 0
March 13 2.41 3.35 32 0.73 1 2.62 31 6 1 0 10.0 1 0
April 13 3.57 8.85 30 0.00 0 8.85 30 2 0 0 0.0 0 0
May 13 4.09 2.90 38 0.00 0 2.90 38 6 0 0 0.0 0 0
June 13 4.20 1.73 30 1.32 2 0.41 28 2 1 0 0.0 0 0
July 13 4.03 0.73 35 0.55 2 0.18 33 4 2 0 0.0 0 0
Aug 13 4.24 0.74 31 0.74 3 0.00 28 3 2 0 0.0 0 0
Sept 13 3.29 0.77 30 0.66 3 0.11 27 4 3 0 0.0 0 0
Water Year Totals: 37.99" 28.00" 379 days 5.90" 14 22.10" 365 days 46 12 days 0 days 11.0" 2 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
10/1/2012 **
10/2/2012 **
10/3/2012 **
10/4/2012 **
10/5/2012 **
10/6/2012 **
10/7/2012 **
10/8/2012 **
10/9/2012 **
10/10/2012 **
10/11/2012 **
10/12/2012 **
10/13/2012 **
10/14/2012 **
10/15/2012 **
10/16/2012 0.50
10/17/2012 M
10/18/2012 **
10/19/2012 **
10/20/2012 **
10/21/2012 **
10/22/2012 **
10/23/2012 **
10/24/2012 **
10/25/2012 0.32
10/26/2012 **
10/27/2012 **
10/28/2012 0.07
10/29/2012 **
10/30/2012 **
10/31/2012 **
11/1/2012 **
11/2/2012 0.00
11/3/2012 **
11/4/2012 **
11/5/2012 **
11/6/2012 **
11/7/2012 **
11/8/2012 **
11/9/2012 0.18
11/10/2012 0.40 **
11/11/2012 **
11/12/2012 **
11/13/2012 **
11/14/2012 **
11/15/2012 0.00
11/16/2012 **
11/17/2012 **
11/18/2012 **
11/19/2012 **
11/20/2012 **
11/21/2012 0.15
11/22/2012 **
11/23/2012 **
11/24/2012 **
11/25/2012 **
11/26/2012 **
11/27/2012 **
11/28/2012 **
11/29/2012 **
11/30/2012 **
12/1/2012 **
12/2/2012 **
12/3/2012 **
12/4/2012 **
12/5/2012 **
12/6/2012 **
12/7/2012 **
12/8/2012 **
12/9/2012 **
12/10/2012 **
12/11/2012 **
12/12/2012 **
12/13/2012 **
12/14/2012 0.00
12/15/2012 M
12/16/2012 **
12/17/2012 0.00
12/18/2012 **
12/19/2012 **
12/20/2012 0.00
12/21/2012 1.45
12/22/2012 **
12/23/2012 **
12/24/2012 **
12/25/2012 **
12/26/2012 **
12/27/2012 **
12/28/2012 0.00
12/29/2012 **
12/30/2012 **
12/31/2012 **
Day of YearDaily PrcpMultiday Prcp
1/1/2013 **
1/2/2013 **
1/3/2013 **
1/4/2013 1.05
1/5/2013 **
1/6/2013 **
1/7/2013 **
1/8/2013 **
1/9/2013 **
1/10/2013 **
1/11/2013 **
1/12/2013 **
1/13/2013 **
1/14/2013 **
1/15/2013 **
1/16/2013 **
1/17/2013 **
1/18/2013 **
1/19/2013 **
1/20/2013 **
1/21/2013 **
1/22/2013 **
1/23/2013 **
1/24/2013 0.00
1/25/2013 0.05 **
1/26/2013 **
1/27/2013 0.00
1/28/2013 **
1/29/2013 **
1/30/2013 1.40
1/31/2013 **
2/1/2013 **
2/2/2013 **
2/3/2013 **
2/4/2013 **
2/5/2013 **
2/6/2013 **
2/7/2013 **
2/8/2013 **
2/9/2013 **
2/10/2013 **
2/11/2013 **
2/12/2013 **
2/13/2013 **
2/14/2013 **
2/15/2013 **
2/16/2013 **
2/17/2013 1.50
2/18/2013 **
2/19/2013 **
2/20/2013 **
2/21/2013 **
2/22/2013 **
2/23/2013 **
2/24/2013 **
2/25/2013 0.00
2/26/2013 **
2/27/2013 **
2/28/2013 **
3/1/2013 **
3/2/2013 1.32
3/3/2013 **
3/4/2013 **
3/5/2013 0.00
3/6/2013 0.73
3/7/2013 **
3/8/2013 **
3/9/2013 0.00
3/10/2013 **
3/11/2013 **
3/12/2013 **
3/13/2013 **
3/14/2013 0.00
3/15/2013 **
3/16/2013 **
3/17/2013 **
3/18/2013 **
3/19/2013 **
3/20/2013 **
3/21/2013 **
3/22/2013 0.15
3/23/2013 **
3/24/2013 **
3/25/2013 **
3/26/2013 **
3/27/2013 **
3/28/2013 **
3/29/2013 **
3/30/2013 **
3/31/2013 **
Day of YearDaily PrcpMultiday Prcp
4/1/2013 **
4/2/2013 **
4/3/2013 **
4/4/2013 **
4/5/2013 **
4/6/2013 **
4/7/2013 **
4/8/2013 **
4/9/2013 **
4/10/2013 **
4/11/2013 **
4/12/2013 **
4/13/2013 **
4/14/2013 **
4/15/2013 **
4/16/2013 2.10
4/17/2013 **
4/18/2013 6.75
4/19/2013 **
4/20/2013 **
4/21/2013 **
4/22/2013 **
4/23/2013 **
4/24/2013 **
4/25/2013 **
4/26/2013 **
4/27/2013 **
4/28/2013 **
4/29/2013 **
4/30/2013 **
5/1/2013 0.32
5/2/2013 **
5/3/2013 **
5/4/2013 **
5/5/2013 **
5/6/2013 **
5/7/2013 **
5/8/2013 **
5/9/2013 0.00
5/10/2013 **
5/11/2013 0.28
5/12/2013 **
5/13/2013 **
5/14/2013 **
5/15/2013 **
5/16/2013 0.00
5/17/2013 **
5/18/2013 **
5/19/2013 **
5/20/2013 **
5/21/2013 **
5/22/2013 **
5/23/2013 **
5/24/2013 **
5/25/2013 **
5/26/2013 **
5/27/2013 1.00
5/28/2013 **
5/29/2013 **
5/30/2013 **
5/31/2013 **
6/1/2013 **
6/2/2013 **
6/3/2013 **
6/4/2013 **
6/5/2013 **
6/6/2013 **
6/7/2013 **
6/8/2013 **
6/9/2013 **
6/10/2013 **
6/11/2013 **
6/12/2013 0.41
6/13/2013 0.00
6/14/2013 1.32
6/15/2013 **
6/16/2013 **
6/17/2013 **
6/18/2013 **
6/19/2013 **
6/20/2013 **
6/21/2013 0.00
6/22/2013 **
6/23/2013 **
6/24/2013 **
6/25/2013 **
6/26/2013 **
6/27/2013 **
6/28/2013 **
6/29/2013 **
6/30/2013 **
Day of YearDaily PrcpMultiday Prcp
7/1/2013 **
7/2/2013 **
7/3/2013 **
7/4/2013 **
7/5/2013 **
7/6/2013 **
7/7/2013 **
7/8/2013 0.18
7/9/2013 **
7/10/2013 **
7/11/2013 **
7/12/2013 **
7/13/2013 **
7/14/2013 **
7/15/2013 **
7/16/2013 **
7/17/2013 **
7/18/2013 **
7/19/2013 **
7/20/2013 0.00
7/21/2013 0.27 **
7/22/2013 **
7/23/2013 **
7/24/2013 **
7/25/2013 **
7/26/2013 0.00
7/27/2013 0.28
7/28/2013 **
7/29/2013 **
7/30/2013 **
7/31/2013 0.00
8/1/2013 0.23 0.00
8/2/2013 **
8/3/2013 **
8/4/2013 0.00
8/5/2013 **
8/6/2013 **
8/7/2013 **
8/8/2013 **
8/9/2013 **
8/10/2013 **
8/11/2013 **
8/12/2013 **
8/13/2013 **
8/14/2013 **
8/15/2013 **
8/16/2013 **
8/17/2013 **
8/18/2013 **
8/19/2013 **
8/20/2013 **
8/21/2013 **
8/22/2013 **
8/23/2013 **
8/24/2013 **
8/25/2013 **
8/26/2013 **
8/27/2013 **
8/28/2013 0.00
8/29/2013
8/30/2013 0.51
8/31/2013 0.00
9/1/2013 0.18
9/2/2013 **
9/3/2013 **
9/4/2013 **
9/5/2013 **
9/6/2013 0.00
9/7/2013 **
9/8/2013 **
9/9/2013 **
9/10/2013 **
9/11/2013 **
9/12/2013 **
9/13/2013 **
9/14/2013 0.11
9/15/2013 0.29
9/16/2013 **
9/17/2013 **
9/18/2013 0.00
9/19/2013 **
9/20/2013 **
9/21/2013 **
9/22/2013 **
9/23/2013 **
9/24/2013 **
9/25/2013 **
9/26/2013 **
9/27/2013 **
9/28/2013 0.00
9/29/2013 0.19
9/30/2013 **



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/17/2012 7:00 AM M M M M M ///Changed to NA, looks like different day for this report. Tried to match up with multi-day reports, but totals do not seem right either. - NJB///
11/10/2012 7:00 AM 0.40 M M M M Pea size hail was observed in two different rain events in AM and early PM along with heavy rain, thunder, and lightning. Hail event lasted approximately 10-15 minutes in both cases and accumulated on hard surfaces.
12/15/2012 7:00 AM M M M M M Changed to NA. // NJB
12/21/2012 7:00 AM 1.45 M M M M
1/25/2013 7:00 AM 0.05 1.0 M M M
3/6/2013 7:00 AM 0.73 10.0 M M M
6/13/2013 7:00 AM 0.00 0.0 M M M
6/14/2013 7:00 AM 1.32 M M M M
7/21/2013 7:00 AM 0.27 M M M M
7/27/2013 7:00 AM 0.28 M M M M
8/1/2013 7:00 AM 0.23 M M M M
8/30/2013 7:00 AM 0.51 M M M M
8/31/2013 7:00 AM 0.00 0.0 M M M
9/1/2013 7:00 AM 0.18 M M M M
9/15/2013 7:00 AM 0.29 M M M M
9/29/2013 7:00 AM 0.19 M M M M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
9/22/2012 10/16/2012 12:00 AM 25 0.50 M M
10/18/2012 10/23/2012 12:00 AM 6 1.46 M M
10/23/2012 10/25/2012 12:00 AM 3 0.32 M M
10/26/2012 10/28/2012 12:00 AM 3 0.07 M M
10/29/2012 11/02/2012 12:00 AM 5 0.00 M M
11/3/2012 11/09/2012 12:00 AM 7 0.18 M M
11/10/2012 11/12/2012 12:00 AM 3 0.40 M M
11/12/2012 11/15/2012 12:00 AM 4 0.00 M M
11/16/2012 11/21/2012 12:00 AM 6 0.15 M M
11/22/2012 12/14/2012 12:00 AM 23 0.00 M M
12/16/2012 12/17/2012 12:00 AM 2 0.00 M M
12/18/2012 12/20/2012 12:00 AM 3 0.00 M M
12/22/2012 12/28/2012 12:00 AM 7 0.00 M M
12/29/2012 1/04/2013 12:00 AM 7 1.05 M M
1/5/2013 1/24/2013 12:00 AM 20 0.00 0.0 M
1/25/2013 1/27/2013 12:00 AM 3 0.00 M M Just a dusting of snow on Friday, less than <1 inch on the level
1/28/2013 1/30/2013 12:00 AM 3 1.40 M M
1/31/2013 2/17/2013 12:00 AM 18 1.50 0.0 M
2/18/2013 2/25/2013 12:00 AM 8 0.00 M M
2/26/2013 3/02/2013 12:00 AM 5 1.32 5.0 M
3/3/2013 3/05/2013 12:00 AM 3 0.00 M M
3/7/2013 3/09/2013 12:00 AM 3 0.00 M M
3/10/2013 3/12/2013 12:00 AM 3 1.15 M M
3/12/2013 3/14/2013 12:00 AM 3 0.00 M M
3/15/2013 3/22/2013 12:00 AM 8 0.15 M M
3/23/2013 4/16/2013 12:00 AM 25 2.10 M M
4/17/2013 4/18/2013 12:00 AM 2 6.75 M M
4/19/2013 5/01/2013 12:00 AM 13 0.32 M M
5/2/2013 5/09/2013 12:00 AM 8 0.00 M M
5/10/2013 5/11/2013 12:00 AM 2 0.28 M M
5/12/2013 5/16/2013 12:00 AM 5 0.00 M M
5/17/2013 5/27/2013 12:00 AM 11 1.30 M M
5/21/2013 5/27/2013 12:00 AM 7 1.00 M M
5/28/2013 6/12/2013 12:00 AM 16 0.41 M M
6/15/2013 6/21/2013 12:00 AM 7 0.00 M M
6/22/2013 7/08/2013 12:00 AM 17 0.18 M M
7/9/2013 7/20/2013 12:00 AM 12 0.00 M M
7/21/2013 7/26/2013 12:00 AM 6 0.00 M M
7/28/2013 8/01/2013 12:00 AM 5 0.00 M M
7/29/2013 7/31/2013 12:00 AM 3 0.00 M M
8/2/2013 8/04/2013 12:00 AM 3 0.00 M M
8/5/2013 8/28/2013 12:00 AM 24 0.00 M M
9/2/2013 9/06/2013 12:00 AM 5 0.00 M M
9/7/2013 9/14/2013 12:00 AM 8 0.11 M M
9/16/2013 9/18/2013 12:00 AM 3 0.00 M M
9/19/2013 9/28/2013 12:00 AM 10 0.00 M M
9/30/2013 10/03/2013 12:00 AM 4 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