Station Overview Station Location
Station Number IN-LK-3 Latitude 41.461741
Station Name Merrillville 4.5 E Longitude -87.238986
County Lake Elevation (ft) 679



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 10 3.34 1.46 31 1.46 31 0.00 0 0 6 0 0.0 0 0
Nov 10 3.45 0.58 10 0.58 10 0.00 0 0 4 0 2.4 1 2
Dec 10 2.45 0.24 2 0.24 2 0.00 0 0 1 0 3.0 1 1
Jan 11 2.06 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Feb 11 1.79 1.13 4 1.13 4 0.00 0 0 3 0 26.6 3 3
March 11 2.45 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
April 11 3.58 1.02 3 1.02 3 0.00 0 0 3 0 0.0 0 0
May 11 3.96 3.32 1 3.32 1 0.00 0 0 1 0 0.0 0 0
June 11 4.19 6.94 4 6.94 4 0.00 0 0 4 0 0.0 0 0
July 11 4.07 1.33 2 1.33 2 0.00 0 0 2 0 0.0 0 0
Aug 11 4.33 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Sept 11 3.40 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Water Year Totals: 39.07" 16.02" 57 days 16.02" 57 0.00" 0 days 0 24 days 0 days 32.0" 5 days 6 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
10/1/2010 0.00
10/2/2010 0.19
10/3/2010 0.47
10/4/2010 0.00
10/5/2010 0.00
10/6/2010 0.00
10/7/2010 0.00
10/8/2010 0.00
10/9/2010 0.00
10/10/2010 0.00
10/11/2010 0.00
10/12/2010 0.00
10/13/2010 0.00
10/14/2010 0.02
10/15/2010 0.00
10/16/2010 0.00
10/17/2010 0.00
10/18/2010 0.00
10/19/2010 0.00
10/20/2010 0.00
10/21/2010 0.00
10/22/2010 0.00
10/23/2010 0.49
10/24/2010 0.00
10/25/2010 0.00
10/26/2010 0.00
10/27/2010 0.28
10/28/2010 0.00
10/29/2010 0.01
10/30/2010 0.00
10/31/2010 0.00
11/1/2010 0.00
11/2/2010 0.00
11/3/2010 0.00
11/4/2010 0.01
11/5/2010 0.32
11/6/2010 0.22
11/7/2010 0.03
11/8/2010 0.00
11/9/2010 0.00
11/10/2010 0.00
11/11/2010
11/12/2010
11/13/2010
11/14/2010
11/15/2010
11/16/2010
11/17/2010
11/18/2010
11/19/2010
11/20/2010
11/21/2010
11/22/2010
11/23/2010
11/24/2010
11/25/2010
11/26/2010
11/27/2010
11/28/2010
11/29/2010
11/30/2010
12/1/2010
12/2/2010
12/3/2010
12/4/2010
12/5/2010
12/6/2010
12/7/2010
12/8/2010
12/9/2010
12/10/2010
12/11/2010
12/12/2010
12/13/2010 0.00
12/14/2010
12/15/2010
12/16/2010
12/17/2010
12/18/2010
12/19/2010
12/20/2010
12/21/2010 0.24
12/22/2010
12/23/2010
12/24/2010
12/25/2010
12/26/2010
12/27/2010
12/28/2010
12/29/2010
12/30/2010
12/31/2010
Day of YearDaily PrcpMultiday Prcp
1/1/2011
1/2/2011
1/3/2011
1/4/2011
1/5/2011
1/6/2011
1/7/2011
1/8/2011
1/9/2011
1/10/2011
1/11/2011
1/12/2011
1/13/2011
1/14/2011
1/15/2011
1/16/2011
1/17/2011
1/18/2011
1/19/2011
1/20/2011
1/21/2011
1/22/2011
1/23/2011
1/24/2011
1/25/2011
1/26/2011
1/27/2011
1/28/2011
1/29/2011
1/30/2011
1/31/2011
2/1/2011 0.11
2/2/2011 0.91
2/3/2011 0.11
2/4/2011 0.00
2/5/2011
2/6/2011
2/7/2011
2/8/2011
2/9/2011
2/10/2011
2/11/2011
2/12/2011
2/13/2011
2/14/2011
2/15/2011
2/16/2011
2/17/2011
2/18/2011
2/19/2011
2/20/2011
2/21/2011
2/22/2011
2/23/2011
2/24/2011
2/25/2011
2/26/2011
2/27/2011
2/28/2011
3/1/2011
3/2/2011
3/3/2011
3/4/2011
3/5/2011
3/6/2011
3/7/2011
3/8/2011
3/9/2011
3/10/2011
3/11/2011
3/12/2011
3/13/2011
3/14/2011
3/15/2011
3/16/2011
3/17/2011
3/18/2011
3/19/2011
3/20/2011
3/21/2011
3/22/2011
3/23/2011
3/24/2011
3/25/2011
3/26/2011
3/27/2011
3/28/2011
3/29/2011
3/30/2011
3/31/2011
Day of YearDaily PrcpMultiday Prcp
4/1/2011
4/2/2011
4/3/2011
4/4/2011
4/5/2011
4/6/2011
4/7/2011
4/8/2011
4/9/2011
4/10/2011
4/11/2011 0.51
4/12/2011
4/13/2011
4/14/2011
4/15/2011
4/16/2011
4/17/2011
4/18/2011
4/19/2011
4/20/2011
4/21/2011
4/22/2011 0.09
4/23/2011 0.42
4/24/2011
4/25/2011
4/26/2011
4/27/2011
4/28/2011
4/29/2011
4/30/2011
5/1/2011
5/2/2011
5/3/2011
5/4/2011
5/5/2011
5/6/2011
5/7/2011
5/8/2011
5/9/2011
5/10/2011
5/11/2011
5/12/2011
5/13/2011
5/14/2011
5/15/2011
5/16/2011
5/17/2011
5/18/2011
5/19/2011
5/20/2011
5/21/2011
5/22/2011
5/23/2011
5/24/2011
5/25/2011
5/26/2011 3.32
5/27/2011
5/28/2011
5/29/2011
5/30/2011
5/31/2011
6/1/2011
6/2/2011
6/3/2011
6/4/2011
6/5/2011
6/6/2011
6/7/2011
6/8/2011
6/9/2011 1.17
6/10/2011 4.33
6/11/2011
6/12/2011
6/13/2011
6/14/2011
6/15/2011 0.37
6/16/2011 1.07
6/17/2011
6/18/2011
6/19/2011
6/20/2011
6/21/2011
6/22/2011
6/23/2011
6/24/2011
6/25/2011
6/26/2011
6/27/2011
6/28/2011
6/29/2011
6/30/2011
Day of YearDaily PrcpMultiday Prcp
7/1/2011 1.05
7/2/2011
7/3/2011
7/4/2011
7/5/2011
7/6/2011
7/7/2011
7/8/2011
7/9/2011
7/10/2011
7/11/2011
7/12/2011
7/13/2011
7/14/2011
7/15/2011
7/16/2011
7/17/2011
7/18/2011
7/19/2011
7/20/2011
7/21/2011
7/22/2011
7/23/2011
7/24/2011
7/25/2011
7/26/2011
7/27/2011
7/28/2011
7/29/2011 0.28
7/30/2011
7/31/2011
8/1/2011
8/2/2011
8/3/2011
8/4/2011
8/5/2011
8/6/2011
8/7/2011
8/8/2011
8/9/2011
8/10/2011
8/11/2011
8/12/2011
8/13/2011
8/14/2011
8/15/2011
8/16/2011
8/17/2011
8/18/2011
8/19/2011
8/20/2011
8/21/2011
8/22/2011
8/23/2011
8/24/2011
8/25/2011
8/26/2011
8/27/2011
8/28/2011
8/29/2011
8/30/2011
8/31/2011
9/1/2011
9/2/2011
9/3/2011
9/4/2011
9/5/2011
9/6/2011
9/7/2011
9/8/2011
9/9/2011
9/10/2011
9/11/2011
9/12/2011
9/13/2011
9/14/2011
9/15/2011
9/16/2011
9/17/2011
9/18/2011
9/19/2011
9/20/2011
9/21/2011
9/22/2011
9/23/2011
9/24/2011
9/25/2011
9/26/2011
9/27/2011
9/28/2011
9/29/2011
9/30/2011



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2010 6:00 AM 0.00 0.0 M M M clear/ 45/ calm/ 87%/ 30.03/ (Y-Low:43/ HI:73 )
10/2/2010 7:00 AM 0.19 M M M M
10/3/2010 7:00 AM 0.47 M M M M
10/4/2010 6:00 AM 0.00 0.0 M M M Frost in Places.....Clear/ 34/ calm/ 84%/ 30.33/ ( Y-Low:41/Hi:54 )
10/5/2010 6:00 AM 0.00 0.0 M M M Clear/ 37/ calm/ 87%/ 30.32/ ( Y-Low:33/Hi:56 )
10/6/2010 6:00 AM 0.00 0.0 M M M Clear/ 42/ calm/ 82%/ 30.13/ (Y-Low:36/Hi:62)
10/7/2010 7:00 AM 0.00 0.0 M M M
10/8/2010 7:00 AM 0.00 0.0 M M M
10/9/2010 7:00 AM 0.00 0.0 M M M Clear/ 51/ S2/ 74%/30.04/ (Y-Low:43/ Hi:81)
10/10/2010 7:00 AM 0.00 0.0 M M M clear/ 55/ calm/ 80%/ 29.92 (Y-Low:45/Hi:84)
10/11/2010 6:00 AM 0.00 0.0 M M M clear/ 57/ S2/75%/29.78/ (Y-Low:51 / Hi:84)
10/12/2010 6:00 AM 0.00 0.0 M M M fair/ fog/ 54/ calm/88%/29.83 (Y-Low:55/Hi:80)
10/13/2010 6:00 AM 0.00 0.0 M M M fair/ 56/ calm/ 84%/ 29.92/ (Y-Low:53/Hi:75)
10/14/2010 6:00 AM 0.02 M M M M
10/15/2010 6:00 AM 0.00 0.0 M M M windy/ 54/
10/16/2010 7:00 AM 0.00 0.0 M M M 38/ clear/ calm/ 88%/ 30.12 (Y-low:40/Hi:62)
10/17/2010 7:00 AM 0.00 0.0 M M M 44/ clear/ calm/ 84%/ 30.06/ (y-Low:37/Hi:70)
10/18/2010 6:00 AM 0.00 0.0 M M M 47/ cloudy/ calm/ 77%/ 29.99 (Y-low:45/Hi:63 )
10/19/2010 6:00 AM 0.00 0.0 M M M 38/ clear/ calm/ 86%/ 29.94 (Y-Low:42/Hi:62)
10/20/2010 6:00 AM 0.00 0.0 M M M
10/21/2010 6:00 AM 0.00 0.0 M M M Clear/ 42/ NW2/ 73%/ 29.82/ (Y-low:41/Hi:67)
10/22/2010 7:00 AM 0.00 0.0 M M M
10/23/2010 7:00 AM 0.49 M M M M
10/24/2010 7:00 AM 0.00 0.0 M M M
10/25/2010 7:00 AM 0.00 0.0 M M M
10/26/2010 6:00 AM 0.00 0.0 M M M 68/ cloudy/ S12G40/ 78%/ 29.10/ Y-HI:72
10/27/2010 6:00 AM 0.28 M M M M 51 /clear /S8G22/ 58%/ 29.53 Y-Hi:69
10/28/2010 7:00 AM 0.00 0.0 M M M
10/29/2010 7:00 AM 0.01 M M M M
10/30/2010 7:00 AM 0.00 0.0 M M M
10/31/2010 7:00 AM 0.00 0.0 M M M
11/1/2010 7:00 AM 0.00 0.0 M M M
11/2/2010 7:00 AM 0.00 0.0 M M M
11/3/2010 7:00 AM 0.00 0.0 M M M
11/4/2010 7:00 AM 0.01 M M M M
11/5/2010 6:00 AM 0.32 M M M M 42/overcast/N8G12/ (had a wind Gust:N34@2230 last night. Have had sleet n rain throughtout the night)
11/6/2010 6:00 AM 0.22 2.4 0.22 2.5 0.22 31/ cloudy/ calm/ 84%/30.22 / (Y-HI:40/Low:29) First Snow of the Season,
11/7/2010 6:00 AM 0.03 0.0 0.00 0.5 0.03 clear/ 32/ SE5G15/ (wind chill:28) 66%/ 30.25/ { roughly 0.5" of snow on ground in the Shade}
11/8/2010 6:00 AM 0.00 0.0 M M M clear/ 40/ SW2/ 64%/ 29.97/ (Y-low:32/HI:58)
11/9/2010 6:00 AM 0.00 0.0 M M 0.00 clear/ 44/ S3/ 65%/ 29.89/ (Y-Low:40/Hi:64)
11/10/2010 6:00 AM 0.00 0.0 M M M Clear/ 44/ SSE2/ 72%/ 30.02/ (Y-low:43/HI:65)
12/13/2010 7:00 AM 0.00 0.0 M M M i have snow drifts up to 38" deep, 20 feet long, 5 wide..then I have bare patches of grass showing.
12/21/2010 5:00 AM 0.24 3.0 0.24 8.0 M 26/ light drizzle/ SSW4/ 89%/ 29.93..Snow Drifts Ave Depth: 24.0"..
2/1/2011 7:00 AM 0.11 3.5 0.11 4.5 0.14
2/2/2011 7:00 AM 0.91 18.0 0.91 22.5 1.01 Snowing and blowing, 18 - 20 inch drifts in the driveway, 2-3 ft drifts on the side of the house and back yard.
2/3/2011 7:00 AM 0.11 5.1 0.11 M M
2/4/2011 5:30 AM 0.00 0.0 0.00 28.0 M Clear/ 3/ SW2/....Its chilly out there. No sure Snow Depth at this time. Need to walk around and take measurements. due to drifts
4/11/2011 6:00 AM 0.51 M M M M TStorms arrived at 23:55 hrs, Good Lightning. Thunder Action, South Wind, Gust: 45 High: 83 on Sunday@1243
4/22/2011 6:00 AM 0.09 M M M M
4/23/2011 7:00 AM 0.42 M M M M 50/ SW 4/ cloudy/ 90%/ 29.80
5/26/2011 6:00 AM 3.32 M M M M Am I back in Seattle? Its 48 degs, drizzle. Is it May 26th?
6/9/2011 6:00 AM 1.17 M M M M rain showers, intense lightning, tree top thunder.
6/10/2011 6:00 AM 4.33 M M M M Rec: 3.62" of rain yesterday morning. See Significant Weather Report. Received a additional 0.71" thruout the rest of the day, early morning
6/15/2011 6:00 AM 0.37 M M M M
6/16/2011 6:00 AM 1.07 M M M M
7/1/2011 6:00 AM 1.05 M M M M filed a Hail report as well right after I took morning reading, a TS moved over my area and dropped ping pong size hail, and additional rain
7/29/2011 6:00 AM 0.28 M M M 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
7/1/2011 6:10 AM 66 degs/ 90%/ 30.01/ ENE18.. (rec:0.33") rain during the time 1 1/2" Ping Pong Ball Size NA 7/8" Nickel Size Hard|White Ice 2 1min minor leaf damage Continuous False Same time as rain After smaller hail 30-40