Station Overview Station Location
Station Number IN-LK-59 Latitude 41.4955
Station Name (W9MAL)Merrillville 2.0 NNW Longitude -87.3461
County Lake Elevation (ft) 632



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 19 3.29 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Nov 19 3.38 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Dec 19 2.41 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Jan 20 2.05 1.24 17 1.24 17 0.00 0 0 6 2 2.1 2 2
Feb 20 1.76 2.53 22 2.53 22 0.00 0 0 10 0 10.7 7 10
March 20 2.40 3.12 14 3.12 14 0.00 0 0 13 0 3.0 1 0
April 20 3.60 6.13 20 6.13 20 0.00 0 0 20 0 2.8 2 2
May 20 3.89 0.29 3 0.29 3 0.00 0 0 3 0 0.0 0 0
June 20 4.12 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
July 20 3.99 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Aug 20 4.51 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Sept 20 3.45 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Water Year Totals: 38.85" 13.31" 76 days 13.31" 76 0.00" 0 days 0 52 days 2 days 18.6" 12 days 14 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
10/1/2019
10/2/2019
10/3/2019
10/4/2019
10/5/2019
10/6/2019
10/7/2019
10/8/2019
10/9/2019
10/10/2019
10/11/2019
10/12/2019
10/13/2019
10/14/2019
10/15/2019
10/16/2019
10/17/2019
10/18/2019
10/19/2019
10/20/2019
10/21/2019
10/22/2019
10/23/2019
10/24/2019
10/25/2019
10/26/2019
10/27/2019
10/28/2019
10/29/2019
10/30/2019
10/31/2019
11/1/2019
11/2/2019
11/3/2019
11/4/2019
11/5/2019
11/6/2019
11/7/2019
11/8/2019
11/9/2019
11/10/2019
11/11/2019
11/12/2019
11/13/2019
11/14/2019
11/15/2019
11/16/2019
11/17/2019
11/18/2019
11/19/2019
11/20/2019
11/21/2019
11/22/2019
11/23/2019
11/24/2019
11/25/2019
11/26/2019
11/27/2019
11/28/2019
11/29/2019
11/30/2019
12/1/2019
12/2/2019
12/3/2019
12/4/2019
12/5/2019
12/6/2019
12/7/2019
12/8/2019
12/9/2019
12/10/2019
12/11/2019
12/12/2019
12/13/2019
12/14/2019
12/15/2019
12/16/2019
12/17/2019
12/18/2019
12/19/2019
12/20/2019
12/21/2019
12/22/2019
12/23/2019
12/24/2019
12/25/2019
12/26/2019
12/27/2019
12/28/2019
12/29/2019
12/30/2019
12/31/2019
Day of YearDaily PrcpMultiday Prcp
1/1/2020
1/2/2020
1/3/2020
1/4/2020
1/5/2020
1/6/2020
1/7/2020
1/8/2020
1/9/2020
1/10/2020
1/11/2020
1/12/2020
1/13/2020
1/14/2020
1/15/2020 0.01
1/16/2020 0.00
1/17/2020 0.00
1/18/2020 0.53
1/19/2020 0.00
1/20/2020 0.00
1/21/2020 T
1/22/2020 0.00
1/23/2020 0.06
1/24/2020 0.21
1/25/2020 0.16
1/26/2020 0.27
1/27/2020 0.00
1/28/2020 T
1/29/2020 0.00
1/30/2020 0.00
1/31/2020 0.00
2/1/2020 0.03
2/2/2020 0.00
2/3/2020 0.00
2/4/2020 0.00
2/5/2020 0.00
2/6/2020 0.21
2/7/2020 0.09
2/8/2020 0.00
2/9/2020 0.00
2/10/2020 0.19
2/11/2020
2/12/2020 0.00
2/13/2020 0.30
2/14/2020 0.07
2/15/2020 0.00
2/16/2020
2/17/2020 0.00
2/18/2020 0.43
2/19/2020 0.00
2/20/2020 0.00
2/21/2020
2/22/2020
2/23/2020
2/24/2020
2/25/2020 0.33
2/26/2020 0.48
2/27/2020 0.40
2/28/2020
2/29/2020 0.00
3/1/2020 0.00
3/2/2020
3/3/2020
3/4/2020 0.01
3/5/2020
3/6/2020
3/7/2020
3/8/2020
3/9/2020 0.04
3/10/2020 0.74
3/11/2020 0.02
3/12/2020
3/13/2020
3/14/2020
3/15/2020 0.50
3/16/2020
3/17/2020 0.06
3/18/2020
3/19/2020 0.42
3/20/2020 0.30
3/21/2020
3/22/2020
3/23/2020 0.52
3/24/2020
3/25/2020
3/26/2020
3/27/2020 0.06
3/28/2020 0.28
3/29/2020 0.14
3/30/2020 0.03
3/31/2020
Day of YearDaily PrcpMultiday Prcp
4/1/2020
4/2/2020
4/3/2020
4/4/2020 0.15
4/5/2020 0.06
4/6/2020
4/7/2020 0.61
4/8/2020 0.12
4/9/2020 0.10
4/10/2020
4/11/2020
4/12/2020 0.19
4/13/2020 0.16
4/14/2020
4/15/2020 0.06
4/16/2020 0.04
4/17/2020 0.23
4/18/2020 0.18
4/19/2020
4/20/2020
4/21/2020 0.07
4/22/2020 0.01
4/23/2020 0.01
4/24/2020 0.02
4/25/2020 0.33
4/26/2020 0.88
4/27/2020
4/28/2020 0.66
4/29/2020 0.62
4/30/2020 1.63
5/1/2020 0.04
5/2/2020
5/3/2020
5/4/2020
5/5/2020 0.13
5/6/2020 0.12
5/7/2020
5/8/2020
5/9/2020
5/10/2020
5/11/2020
5/12/2020
5/13/2020
5/14/2020
5/15/2020
5/16/2020
5/17/2020
5/18/2020
5/19/2020
5/20/2020
5/21/2020
5/22/2020
5/23/2020
5/24/2020
5/25/2020
5/26/2020
5/27/2020
5/28/2020
5/29/2020
5/30/2020
5/31/2020
6/1/2020
6/2/2020
6/3/2020
6/4/2020
6/5/2020
6/6/2020
6/7/2020
6/8/2020
6/9/2020
6/10/2020
6/11/2020
6/12/2020
6/13/2020
6/14/2020
6/15/2020
6/16/2020
6/17/2020
6/18/2020
6/19/2020
6/20/2020
6/21/2020
6/22/2020
6/23/2020
6/24/2020
6/25/2020
6/26/2020
6/27/2020
6/28/2020
6/29/2020
6/30/2020
Day of YearDaily PrcpMultiday Prcp
7/1/2020
7/2/2020
7/3/2020
7/4/2020
7/5/2020
7/6/2020
7/7/2020
7/8/2020
7/9/2020
7/10/2020
7/11/2020
7/12/2020
7/13/2020
7/14/2020
7/15/2020
7/16/2020
7/17/2020
7/18/2020
7/19/2020
7/20/2020
7/21/2020
7/22/2020
7/23/2020
7/24/2020
7/25/2020
7/26/2020
7/27/2020
7/28/2020
7/29/2020
7/30/2020
7/31/2020
8/1/2020
8/2/2020
8/3/2020
8/4/2020
8/5/2020
8/6/2020
8/7/2020
8/8/2020
8/9/2020
8/10/2020
8/11/2020
8/12/2020
8/13/2020
8/14/2020
8/15/2020
8/16/2020
8/17/2020
8/18/2020
8/19/2020
8/20/2020
8/21/2020
8/22/2020
8/23/2020
8/24/2020
8/25/2020
8/26/2020
8/27/2020
8/28/2020
8/29/2020
8/30/2020
8/31/2020
9/1/2020
9/2/2020
9/3/2020
9/4/2020
9/5/2020
9/6/2020
9/7/2020
9/8/2020
9/9/2020
9/10/2020
9/11/2020
9/12/2020
9/13/2020
9/14/2020
9/15/2020
9/16/2020
9/17/2020
9/18/2020
9/19/2020
9/20/2020
9/21/2020
9/22/2020
9/23/2020
9/24/2020
9/25/2020
9/26/2020
9/27/2020
9/28/2020
9/29/2020
9/30/2020



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
1/15/2020 7:00 AM 0.01 0.0 0.00 0.0 0.00 Foggy, 32-degree, trace of rain, 99% humidity.
1/16/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00 Cloudy, 21-degrees, no precipitation, 78 humidity.
1/17/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00 Cloudy, 22-degrees, 76% humidity.
1/18/2020 7:00 AM 0.53 1.5 0.53 1.5 0.00 Misting rain, 34-degrees, 99% humidity.
1/19/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00 Overcast, 4-degrees, no precipitation, 70% humidity.
1/20/2020 7:00 AM 0.00 0.0 M M M
1/21/2020 7:00 AM T T T T T Sunny, 12-degrees, 89% humidity.
1/22/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
1/23/2020 7:00 AM 0.06 0.6 0.05 0.6 0.05 Cloudy and 30-degrees, with .625 inch of new snow overnight,91% humidity. {EDIT: Observer reported 0.60 for new precip. This is high compared to surrounding reports and it appears snow depth was entered by mistake. Observer also reported 0.50 for new/total snow depth melted core. This is high and appears to be a decimal typo. Changed precip report of 0.60 and SWE reports of 0.50 to NA until observer can be contacted to verify. Submission Time Before EDIT: 1/23/2020 7:37 AM CoCoSTAFF DNT}
1/24/2020 7:00 AM 0.21 0.0 0.00 0.0 0.00 Cloudy, 35-degrees, 99% humidity.
1/25/2020 7:00 AM 0.16 T T T T Cloudy, 32-degrees very light snow, 99% humidity
1/26/2020 7:00 AM 0.27 T T T T
1/27/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00 Cloudy, no precipitation, 95% humidity.
1/28/2020 7:00 AM T 0.0 0.00 0.0 0.00 Cloudy, 31°, traces of rain & snow both yesterday, 95% humidity.
1/29/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00 Cloudy and 31-degrees, no precipitation, 83% humidity.
1/30/2020 7:45 AM 0.00 0.0 M M M Cloudy, 30 Degrees, no precipitation, 87% humidity.
1/31/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00 Cloudy, 30°, no precipitation, 85% humidity
2/1/2020 7:00 AM 0.03 T T T T Misting rain, 33°, trace of snow on the ground 99% humidity.
2/2/2020 7:45 AM 0.00 0.0 M M M Overcast and 37-degrees, no precip. 81% humidity.
2/3/2020 7:30 AM 0.00 0.0 0.00 M M Overcast & 28-degrees, no precipitation, 87% humidity. It got up to 60-degrees yesterday!
2/4/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00 No precipitation and 37-degrees, 82% humidity.
2/5/2020 7:30 AM 0.00 0.0 M M M Cloudy, 28-degrees, no precipitation, 58% humidity.
2/6/2020 7:30 AM 0.21 2.2 0.21 2.0 0.21 Cloudy, light snow, 26-degrees, 88% humidity.
2/7/2020 6:45 AM 0.09 2.1 0.09 4.0 0.90 Clear sky, 24-degrees, 86% humidity.
2/8/2020 6:40 AM 0.00 0.0 0.00 0.0 0.00 Cloudy, 25-degrees, 83% humidity
2/9/2020 7:45 AM 0.00 0.0 M 3.5 M Cloudy, 25-degrees, 82% humidity
2/10/2020 8:15 AM 0.19 0.5 M 1.0 M Cloudy, 28-degrees, 95% humidity
2/12/2020 7:00 AM 0.00 0.0 M T M Cloudy, 23-degrees, no precipitation, 85% humidity.
2/13/2020 7:00 AM 0.30 4.0 0.30 4.0 0.30 Snowing lightly, 29-degrees, 96% humidity.
2/14/2020 7:00 AM 0.07 0.5 M 4.5 M Sunny, -2.5-degrees, 75% humidity
2/15/2020 7:00 AM 0.00 0.0 M 3.5 M Cloudy, 16-degees, no precipitation,72% humidity.
2/17/2020 7:30 AM 0.00 0.0 0.00 3.0 M Cloudy, 31-degrees, no precipitation, 73% humidity
2/18/2020 8:15 AM 0.43 M M T M Overslept. cloudy, 34-degrees, rained yesterday, 99% humidity.
2/19/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00 Sunny, 20-degreees, no precipitation, 67% humidity.
2/20/2020 6:45 AM 0.00 0.0 M M M Clear sky, no precipitation, 55% humidity
2/25/2020 7:30 AM 0.33 M M M M Cloudy, drizzle, 97% humidity
2/26/2020 7:00 AM 0.48 1.0 0.48 1.0 0.48 Snowing, 29-degrees, 99% humidity.
2/27/2020 7:00 AM 0.40 0.4 M 1.0 M Sunny, 25-degrees, 72% humidity.
2/29/2020 7:00 AM 0.00 0.0 M M M Sunny and 12-degrees, 62% humidity. No precipitation. Still 100% ground cover.
3/1/2020 7:00 AM 0.00 0.0 M M M Sunny, 30-degrees, no precipitation, 64% humidity.
3/4/2020 7:00 AM 0.01 M M M M Drizzling rain, 34-degrees, 87% humdity.
3/9/2020 7:45 AM 0.04 M M M M Light rain, 49-degrees, 60% humidity.
3/10/2020 8:00 AM 0.74 M M M M Raining, 35-degrees, 99% humidity.
3/11/2020 7:00 AM 0.02 M M M M Cloudy, foggy, 34-degrees, 93% humidity.
3/15/2020 8:00 AM 0.50 M M M M
3/17/2020 7:15 AM 0.06 M M M M Sunny, 34-degrees, 93% humidity. {EDIT: Observer reported 0.60 for new precip. This is high compared to surrounding reports of 0.02 to 0.05 and appears to be a decimal typo. Changed report of 0.60 to NA until observer can be contacted to verify. Submission Time Before EDIT; 3/17/2020 7:46 AM CoCoSTAFF DNT}
3/19/2020 7:45 AM 0.42 M M M M Overcast, 42-degree, 99% humidity.
3/20/2020 7:25 AM 0.30 M M M M Misting a light rain, 41-degrees, 99% humidity.
3/23/2020 7:00 AM 0.52 3.0 M M M Forgot to put the guts out. However have 3" in my measuring spot and .052 melt. The humidity is 95%.
3/27/2020 8:00 AM 0.06 0.0 M M M Foggy, 38-degrees, 99% humidity.
3/28/2020 7:00 AM 0.28 M M M M Raining, 47-degrees, night crawlers are out, 99% humidity..
3/29/2020 7:00 AM 0.14 M M M M Light rain, 47-degrees, 77 humidity.
3/30/2020 8:00 AM 0.03 M M M M Slightly overcast, 40-degrees, 68% humdidity.
4/4/2020 8:00 AM 0.15 M M M M Light rain, 41-degrees, 97% humidity.
4/5/2020 7:00 AM 0.06 M M M M Sunny & 37-degrees.
4/7/2020 7:00 AM 0.61 M M M M Sunny, 61-degrees, 99% humidity. Stormed during the night about 1:00am.
4/8/2020 7:30 AM 0.12 M M M M 50-degrees, cloudy, 97% humidity.
4/9/2020 7:00 AM 0.10 M M M M Sunny, 39-degrees. 57% humidity.
4/12/2020 7:00 AM 0.19 M M M M
4/13/2020 7:30 AM 0.16 M M M M
4/15/2020 8:00 AM 0.06 1.0 0.06 1.0 0.06 Snowing and 30 degrees, 77% humidity.
4/16/2020 8:00 AM 0.04 M M M M Sunny, the snow's all gone.
4/17/2020 7:00 AM 0.23 1.8 0.23 1.8 0.23 Snowing and 32 degrees, 91% humidity
4/18/2020 7:00 AM 0.18 M M M M Sunny, 31 degrees and 94% humidity.
4/21/2020 7:00 AM 0.07 M M M M Sunny, 37-degrees, 35% humidity.
4/22/2020 7:00 AM 0.01 M M M M Cloudy, 38-degress, 48% humidity.
4/23/2020 7:00 AM 0.01 M M M M Cloudy, 48-degrees, 81% humidity.
4/24/2020 7:00 AM 0.02 M M M M Cloudy, 42-degrees, 99% humidity.
4/25/2020 8:00 AM 0.33 M M M M Raining and 44-degrees, 99% humidity.
4/26/2020 7:00 AM 0.88 M M M M Slightly overcast, 42-degrees, 99% humidity.
4/28/2020 7:00 AM 0.66 M M M M Slightly overcast, 52-degrees and 99% humdity.
4/29/2020 8:00 AM 0.62 M M M M Raining, 56-degrees, 99% humidity.
4/30/2020 7:45 AM 1.63 M M M M Raining, windy, 99% humidity.
5/1/2020 7:00 AM 0.04 M M M M Sunny, frost, 33-degrees, 96% humidity.
5/5/2020 7:00 AM 0.13 M M M M Raining, 46-degrees, 99% humidity.
5/6/2020 7:00 AM 0.12 M M M M Sunny, 38-degrees, 57% humidity.



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