Station Overview Station Location
Station Number WI-DA-54 Latitude 43.0424
Station Name Madison 6.6 WSW Longitude -89.5078
County Dane Elevation (ft) 1107



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 17 2.64 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Nov 17 2.44 0.00 12 0.00 12 0.00 0 0 0 2 0.0 0 0
Dec 17 1.65 0.78 31 0.78 25 0.00 6 0 6 8 1.7 3 4
Jan 18 1.22 1.79 31 1.71 30 0.08 1 1 9 4 8.8 6 23
Feb 18 1.40 2.86 28 2.75 25 0.11 3 1 12 0 12.8 8 18
March 18 2.09 0.87 31 0.61 25 0.26 6 1 3 1 5.6 2 6
April 18 3.81 2.59 30 2.59 30 0.00 0 0 11 3 12.6 6 9
May 18 3.96 9.85 31 6.09 21 3.76 10 3 10 2 0.0 0 0
June 18 4.84 3.64 29 3.64 11 0.00 18 0 6 0 0.0 0 0
July 18 4.11 9.79 18 0.97 7 8.82 11 2 2 0 0.0 0 0
Aug 18 4.19 2.65 30 2.64 16 0.01 14 2 6 1 0.0 0 0
Sept 18 3.46 6.48 30 5.83 28 0.65 2 1 10 1 0.0 0 0
Water Year Totals: 35.81" 41.30" 301 days 27.61" 230 13.69" 71 days 11 75 days 22 days 41.5" 25 days 60 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
10/1/2017
10/2/2017
10/3/2017
10/4/2017
10/5/2017
10/6/2017
10/7/2017
10/8/2017
10/9/2017
10/10/2017
10/11/2017
10/12/2017
10/13/2017
10/14/2017
10/15/2017
10/16/2017
10/17/2017
10/18/2017
10/19/2017
10/20/2017
10/21/2017
10/22/2017
10/23/2017
10/24/2017
10/25/2017
10/26/2017
10/27/2017
10/28/2017
10/29/2017
10/30/2017
10/31/2017
11/1/2017
11/2/2017
11/3/2017
11/4/2017
11/5/2017
11/6/2017
11/7/2017
11/8/2017
11/9/2017
11/10/2017
11/11/2017
11/12/2017
11/13/2017
11/14/2017
11/15/2017
11/16/2017
11/17/2017
11/18/2017
11/19/2017 0.00
11/20/2017 0.00
11/21/2017 0.00
11/22/2017 0.00
11/23/2017 T
11/24/2017 0.00
11/25/2017 T
11/26/2017 0.00
11/27/2017 0.00
11/28/2017 0.00
11/29/2017 0.00
11/30/2017 0.00
12/1/2017 0.00
12/2/2017 0.00
12/3/2017 0.00
12/4/2017 0.19
12/5/2017 0.42
12/6/2017 0.00
12/7/2017 T
12/8/2017 0.00
12/9/2017 0.02
12/10/2017 0.00
12/11/2017 0.03
12/12/2017 0.00
12/13/2017 T
12/14/2017 T
12/15/2017 T
12/16/2017 T
12/17/2017 0.00
12/18/2017 0.04
12/19/2017 0.00
12/20/2017 0.00
12/21/2017 0.00
12/22/2017 T
12/23/2017 T
12/24/2017 T
12/25/2017 0.08
12/26/2017 **
12/27/2017 **
12/28/2017 **
12/29/2017 **
12/30/2017 **
12/31/2017 **
Day of YearDaily PrcpMultiday Prcp
1/1/2018 0.08
1/2/2018 0.00
1/3/2018 0.04
1/4/2018 0.00
1/5/2018 0.00
1/6/2018 0.00
1/7/2018 0.02
1/8/2018 0.00
1/9/2018 0.00
1/10/2018 T
1/11/2018 T
1/12/2018 0.16
1/13/2018 0.00
1/14/2018 0.00
1/15/2018 0.15
1/16/2018 0.07
1/17/2018 0.00
1/18/2018 0.00
1/19/2018 0.00
1/20/2018 0.00
1/21/2018 0.00
1/22/2018 0.83
1/23/2018 0.40
1/24/2018 0.00
1/25/2018 0.00
1/26/2018 0.00
1/27/2018 0.02
1/28/2018 T
1/29/2018 0.02
1/30/2018 T
1/31/2018 0.00
2/1/2018 0.00
2/2/2018 0.00
2/3/2018 0.00
2/4/2018 0.36
2/5/2018 0.03
2/6/2018 0.09
2/7/2018 0.03
2/8/2018 0.01
2/9/2018 0.30
2/10/2018 0.02
2/11/2018 **
2/12/2018 **
2/13/2018 0.11
2/14/2018 0.00
2/15/2018 0.00
2/16/2018 0.00
2/17/2018 0.00
2/18/2018 0.04
2/19/2018 0.00
2/20/2018 0.98
2/21/2018 0.27
2/22/2018 0.00
2/23/2018 0.15
2/24/2018 0.00
2/25/2018 0.47
2/26/2018 0.00
2/27/2018 0.00
2/28/2018 0.00
3/1/2018 0.00
3/2/2018 0.00
3/3/2018 0.00
3/4/2018 0.00
3/5/2018 0.00
3/6/2018 0.45
3/7/2018 0.05
3/8/2018 0.00
3/9/2018 0.00
3/10/2018 0.00
3/11/2018 0.00
3/12/2018 0.00
3/13/2018 0.00
3/14/2018 T
3/15/2018 0.00
3/16/2018 0.00
3/17/2018 0.00
3/18/2018 0.00
3/19/2018 0.00
3/20/2018 0.00
3/21/2018 0.00
3/22/2018 0.00
3/23/2018 0.00
3/24/2018 0.00
3/25/2018 **
3/26/2018 **
3/27/2018 **
3/28/2018 **
3/29/2018 **
3/30/2018 0.26
3/31/2018 0.11
Day of YearDaily PrcpMultiday Prcp
4/1/2018 T
4/2/2018 0.00
4/3/2018 0.01
4/4/2018 0.41
4/5/2018 T
4/6/2018 0.00
4/7/2018 0.00
4/8/2018 0.00
4/9/2018 0.03
4/10/2018 0.00
4/11/2018 T
4/12/2018 0.07
4/13/2018 0.02
4/14/2018 0.60
4/15/2018 0.55
4/16/2018 0.28
4/17/2018 0.01
4/18/2018 0.00
4/19/2018 0.58
4/20/2018 0.00
4/21/2018 0.00
4/22/2018 0.00
4/23/2018 0.00
4/24/2018 0.00
4/25/2018 0.00
4/26/2018 0.00
4/27/2018 0.00
4/28/2018 0.03
4/29/2018 0.00
4/30/2018 0.00
5/1/2018 0.00
5/2/2018 1.18
5/3/2018 0.52
5/4/2018 1.26
5/5/2018 0.04
5/6/2018 0.06
5/7/2018 T
5/8/2018 0.00
5/9/2018 **
5/10/2018 0.56
5/11/2018 **
5/12/2018 1.08
5/13/2018 1.52
5/14/2018 0.71
5/15/2018 0.01
5/16/2018 0.00
5/17/2018 0.00
5/18/2018 0.00
5/19/2018 0.02
5/20/2018 **
5/21/2018 **
5/22/2018 **
5/23/2018 **
5/24/2018 **
5/25/2018 2.12
5/26/2018 0.00
5/27/2018 0.00
5/28/2018 0.00
5/29/2018 0.00
5/30/2018 T
5/31/2018 0.77
6/1/2018 0.00
6/2/2018
6/3/2018 0.10
6/4/2018 0.00
6/5/2018 0.05
6/6/2018 0.00
6/7/2018 0.35
6/8/2018 0.00
6/9/2018 0.93
6/10/2018 2.20
6/11/2018 0.01
6/12/2018 0.00
6/13/2018 **
6/14/2018 **
6/15/2018 **
6/16/2018 **
6/17/2018 **
6/18/2018 **
6/19/2018 **
6/20/2018 **
6/21/2018 **
6/22/2018 **
6/23/2018 **
6/24/2018 **
6/25/2018 **
6/26/2018 **
6/27/2018 **
6/28/2018 **
6/29/2018 **
6/30/2018 **
Day of YearDaily PrcpMultiday Prcp
7/1/2018 **
7/2/2018 **
7/3/2018 **
7/4/2018 **
7/5/2018 **
7/6/2018 **
7/7/2018 **
7/8/2018 **
7/9/2018 8.82
7/10/2018 0.00
7/11/2018 0.00
7/12/2018 0.00
7/13/2018 0.00
7/14/2018 0.74
7/15/2018 **
7/16/2018 0.00
7/17/2018 0.00
7/18/2018
7/19/2018
7/20/2018
7/21/2018
7/22/2018
7/23/2018
7/24/2018
7/25/2018
7/26/2018
7/27/2018
7/28/2018
7/29/2018
7/30/2018
7/31/2018 0.23
8/1/2018 0.00
8/2/2018
8/3/2018 0.00
8/4/2018 0.00
8/5/2018 T
8/6/2018 1.02
8/7/2018 0.00
8/8/2018 **
8/9/2018 0.01
8/10/2018 0.19
8/11/2018 0.04
8/12/2018 0.00
8/13/2018 0.00
8/14/2018 0.00
8/15/2018 **
8/16/2018 **
8/17/2018 **
8/18/2018 **
8/19/2018 **
8/20/2018 **
8/21/2018 **
8/22/2018 **
8/23/2018 **
8/24/2018 **
8/25/2018 **
8/26/2018 M
8/27/2018 0.22
8/28/2018 0.02
8/29/2018 1.15
8/30/2018 0.00
8/31/2018 0.00
9/1/2018 0.21
9/2/2018 1.03
9/3/2018 0.77
9/4/2018 0.41
9/5/2018 0.28
9/6/2018 1.03
9/7/2018 0.00
9/8/2018 0.00
9/9/2018 0.00
9/10/2018 0.00
9/11/2018 0.00
9/12/2018 0.00
9/13/2018 0.00
9/14/2018 0.00
9/15/2018 0.00
9/16/2018 0.00
9/17/2018 0.00
9/18/2018 **
9/19/2018 0.65
9/20/2018 0.84
9/21/2018 0.40
9/22/2018 0.00
9/23/2018 0.00
9/24/2018 0.00
9/25/2018 0.00
9/26/2018 0.57
9/27/2018 0.00
9/28/2018 T
9/29/2018 0.00
9/30/2018 0.29



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
11/19/2017 7:00 AM 0.00 0.0 0.00 0.0 M
11/20/2017 7:00 AM 0.00 0.0 0.00 0.0 M No precipitation during the last 24 hours and no snow on the ground.
11/21/2017 7:17 AM 0.00 0.0 0.00 0.0 M
11/22/2017 7:18 AM 0.00 0.0 0.00 0.0 M A bit of frost on the outside of the gauge.
11/23/2017 7:53 AM T T T 0.0 M A few snowflakes or ice pellets fell into the rain gauge, but there was no accumulation on any other surfaces. It melted down to barely any liquid at all.
11/24/2017 7:00 AM 0.00 0.0 M 0.0 M
11/25/2017 7:00 AM T 0.0 M 0.0 M A trace of rain fell. A little bit of it froze on the snowboard but everywhere else it stayed as rain.n
11/26/2017 7:00 AM 0.00 0.0 M 0.0 M A bit of frost on the outside of the gauge.
11/27/2017 7:03 AM 0.00 0.0 0.00 0.0 0.00 A bit of condensation on the outside of the gauge but no precipitation in the tube.
11/28/2017 7:02 AM 0.00 0.0 M 0.0 M
11/29/2017 7:26 AM 0.00 0.0 M 0.0 M
11/30/2017 7:14 AM 0.00 0.0 M 0.0 M
12/1/2017 7:00 AM 0.00 0.0 M 0.0 M A bit of frost.
12/2/2017 7:20 AM 0.00 0.0 M 0.0 M
12/3/2017 7:24 AM 0.00 0.0 M 0.0 M
12/4/2017 7:27 AM 0.19 0.0 0.00 0.0 0.00 Not raining at observation time. There was a period of heavy rain just before 7 am.
12/5/2017 7:30 AM 0.42 0.0 M 0.0 M There was a period of rain starting around 6:40 PM on December 4th.
12/6/2017 7:15 AM 0.00 0.0 M 0.0 M
12/7/2017 7:30 AM T T T T M A bit of snow covering about 1/2 the ground, mostly 0.1 inch thick. Snow began 12/6/17 around 9:00 PM.
12/8/2017 7:30 AM 0.00 0.0 M 0.0 M
12/9/2017 7:40 AM 0.02 0.3 0.02 0.3 M Snow covered almost all of the ground and drifted around. Snowboard had 0.3 inches and most other places had about 0.25 inches or so. Still a few snowflakes falling. Did not start snowing until after 10 PM Friday night.
12/10/2017 7:30 AM 0.00 0.0 M T M Snow covering half the ground or less.
12/11/2017 7:20 AM 0.03 0.4 0.03 0.4 0.03 0.4 inches of snow covering all of the ground. Not snowing at time of observation.
12/12/2017 7:20 AM 0.00 0.0 M 0.1 M
12/13/2017 7:25 AM T T T T M A few snowflakes fell Tuesday night around 9:00 or 9:30 PM. Snow covering less than half of the ground.
12/14/2017 7:20 AM T T T T M There was a period of snow around 2:00 to 2:30 PM Wednesday afternoon. A lot of frost overnight. Still some snow on the ground.
12/15/2017 7:25 AM T T T T M A few snowflakes fell. A bit of snow was still falling at around 7:20 AM but had stopped by 7:25 AM. Snow covering less than half of the ground.
12/16/2017 8:00 AM T T T T M A few snowflakes fell in the gauge and on the snowboard. Very little snow on the ground.
12/17/2017 7:45 AM 0.00 0.0 M 0.0 M Very little snow still on the ground.
12/18/2017 7:30 AM 0.04 0.0 M 0.0 0.00 A bit of rain/freezing rain fell overnight, which froze on most surfaces. Basically no snow on the ground.
12/19/2017 7:30 AM 0.00 0.0 M 0.0 M No precipitation, but a bit of frost.
12/20/2017 7:40 AM 0.00 0.0 M 0.0 M
12/21/2017 7:45 AM 0.00 0.0 M 0.0 M No snow on the ground.
12/22/2017 7:30 AM T T T T M A bit of snow fell overnight. There was a period of light snow around 8 PM on 12/21. A few snowflakes still falling at the time of observation.
12/23/2017 7:35 AM T T T 0.0 M A trace of snow fell yesterday morning, which all melted by noon.
12/24/2017 7:35 AM T T T T M Light snow falling at the time of observation. Snow not quite covering the ground.
12/25/2017 7:30 AM 0.08 1.0 0.08 1.0 0.08 An inch of snow fell yesterday. Light snow was falling throughout the day, and some was still falling at 5:30 PM. Started a little before 7 AM. I measured 0.7 inches of snow at 12:45 PM, so most fell in the morning.
1/2/2018 7:30 AM 0.00 0.0 0.00 1.9 M
1/3/2018 7:15 AM 0.04 0.9 0.04 2.8 M 0.9 inches of very fluffy, light snow.
1/4/2018 7:30 AM 0.00 0.0 0.00 2.5 M Some of the new snow from yesterday overnight compacted or blew away somewhere.
1/5/2018 7:30 AM 0.00 0.0 0.00 2.2 M Snow depth varies between 2 inches and 2.5 inches.
1/6/2018 7:40 AM 0.00 0.0 0.00 2.0 M
1/7/2018 7:40 AM 0.02 0.2 0.02 2.2 M 0.2 inch of light snow fell overnight.
1/8/2018 7:30 AM 0.00 0.0 0.00 1.9 0.22 No new precipitation. 1.9 inches of snow on the ground.
1/9/2018 7:30 AM 0.00 0.0 0.00 1.5 M Snow melted a bit yesterday.
1/10/2018 7:40 AM T 0.0 0.00 0.9 M Raining lightly at time of observation.
1/11/2018 7:30 AM T 0.0 0.00 0.0 M A little bit of rain. Pretty much no snow left on the ground.
1/12/2018 7:30 AM 0.16 0.0 0.00 0.0 M A little bit of ice, between a trace and 0.01 inch, on some surfaces. Apparently around 0.15 inch of rain fell.
1/13/2018 7:30 AM 0.00 0.0 0.00 0.0 M
1/14/2018 7:30 AM 0.00 0.0 0.00 0.0 M A bit of frost.
1/15/2018 8:00 AM 0.15 4.0 0.15 4.0 0.15 Around 4 inches of new snow. There was up to 5 inches in areas where snow probably blew down from the roof, and 3 inches or less where the tall trees probably blocked the snow. 4 inches on the driveway and road where cars hadn't driven yet. Snow began around 2 PM or so on 1/14. Still snowing.
1/16/2018 7:30 AM 0.07 2.0 0.07 5.0 M 2 inches of new snow. 1.8 inches between 8 AM and 5 PM, another 0.2 inch afterward. Snow depth around 5 inches because the snow compacted a little bit. Snow ended around 7 - 8 PM.
1/17/2018 7:30 AM 0.00 0.0 0.00 4.0 M No new snow. A bit of frost. Snow compacted more.
1/18/2018 7:30 AM 0.00 0.0 0.00 2.5 M Snow compacted a little bit.
1/19/2018 7:30 AM 0.00 0.0 0.00 2.0 M No new snow. A bit of frost.
1/20/2018 7:00 AM 0.00 0.0 0.00 1.0 M Snow melted a bit.
1/21/2018 7:30 AM 0.00 0.0 0.00 0.5 M A bit of condensation on the outside of the gauge, but no precipitation inside. Snow only covering about 1/2 of the ground, up to 1 inch thick.
1/22/2018 7:30 AM 0.83 0.0 0.00 T M Basically no snow left on the ground except where shoveled. Some froze into ice.
1/23/2018 7:30 AM 0.40 1.2 0.12 1.2 0.12 0.28 inch of rain fell between 7:30 AM and 8:15 PM on 1/22. Ice pellets/snow started falling around 8:15 PM.
1/24/2018 7:30 AM 0.00 0.0 0.00 1.0 M No new snow. Looked like it might have been snowing a little bit during the day but didn't get on the ground.
1/25/2018 7:30 AM 0.00 0.0 0.00 0.8 M
1/26/2018 7:30 AM 0.00 0.0 0.00 0.5 M Snow covering about 1/2 of the ground. A bit of frost.
1/27/2018 7:30 AM 0.02 0.0 0.00 0.0 M Rained a bit around noon on 1/26.
1/28/2018 7:40 AM T 0.0 0.00 0.0 M A bit of freezing drizzle overnight. Also some frost. Started snowing a little bit around 8 AM.
1/29/2018 7:30 AM 0.02 0.5 0.02 0.5 0.02 Light snow flurries at time of observation. Snowed starting Sunday morning, stopped after a hour or two.
1/30/2018 7:30 AM T T T 0.5 M A bit of snow early yesterday morning, didn't really get on the ground.
1/31/2018 7:30 AM 0.00 0.0 0.00 0.1 M Snow covering about half of the ground.
2/1/2018 7:30 AM 0.00 0.0 0.00 T M
2/2/2018 7:30 AM 0.00 0.0 0.00 T M
2/3/2018 7:00 AM 0.00 0.0 0.00 T M
2/4/2018 7:30 AM 0.36 4.7 0.36 4.7 M Average of around 4.7 inches of new snow, drifted in some places up to 9 inches. Snow started morning of 2/3, before noon, and stopped for a while around 3 PM. Started again after 4 PM, and there was a period of moderate snow between that time and 7 PM. The snow slowed down again and then there was another period of moderate snow starting around 9 PM. Still snowing lightly.
2/5/2018 7:30 AM 0.03 0.5 0.03 5.0 0.39 About 0.5 inch of new snow, drifted and blew around a bit. Stopped around noon 2/4.
2/6/2018 7:15 AM 0.09 1.3 0.09 5.0 M About 1.3 inches of new snow. Snow started around 1 PM and light snow continued after 9 PM. Heaviest snow was probably between 1 PM and 5 PM.
2/7/2018 7:30 AM 0.03 0.5 0.03 5.0 M 0.5 inch of snow. Still snowing.
2/8/2018 7:30 AM 0.01 0.1 0.01 5.0 M About 0.1 inch of snow fell between 7:30 and around 10 AM on 2/7.
2/9/2018 7:45 AM 0.30 5.0 0.30 8.5 M About 5 inches of new snow. Snow depth around 8.5 inches. Snow began around 8 PM 2/8. Heavier period of snowfall was between ~9 PM and ~3 AM this morning. Light snow falling currently.
2/10/2018 8:00 AM 0.02 0.3 0.02 8.0 M About 0.3 inch of new snow. Around 0.2 inch fell overnight and around 0.1 inch fell yesterday morning. Snow depth decreased.
2/14/2018 7:20 AM 0.00 0.0 0.00 7.0 M No new snow. Snow depth 7 inches.
2/15/2018 7:30 AM 0.00 0.0 0.00 5.5 M There were two drops of water in the gauge but it looks like it was from fog/mist and not rain.
2/16/2018 7:20 AM 0.00 0.0 0.00 4.0 M
2/17/2018 7:55 AM 0.00 0.0 0.00 4.0 M Nice layer of ice on top of the snow.
2/18/2018 8:30 AM 0.04 0.4 0.04 4.0 M About 0.4 inch of new snow. A bit of frost.
2/19/2018 8:00 AM 0.00 0.0 0.00 4.0 0.68 Snow depth ~ 4 inches (in slightly shaded spot). Probably 2-3 inches in other places. SWE 0.68 inches.
2/20/2018 7:30 AM 0.98 0.0 0.00 1.5 M Rain fell starting late morning 2/19. Not raining at observation time.
2/21/2018 7:30 AM 0.27 0.0 0.00 1.0 M Rain all froze into ice in the rain gauge.
2/22/2018 7:30 AM 0.00 0.0 0.00 1.0 M No new precipitation. Snow depth 1 inch on average.
2/23/2018 7:30 AM 0.15 0.0 0.00 0.5 M A bit of freezing rain around 6:30 pm 2/22, then rained overnight.
2/24/2018 7:30 AM 0.00 0.0 0.00 0.5 M No new precipitation. Icy.
2/25/2018 8:00 AM 0.47 0.0 0.00 T M Rained last night and froze into ice. Still some snow on the ground.
2/26/2018 7:30 AM 0.00 0.0 0.00 T T Some frost.
2/27/2018 7:30 AM 0.00 0.0 0.00 0.0 M
2/28/2018 7:20 AM 0.00 0.0 0.00 0.0 M No snow left on the ground.
3/1/2018 7:20 AM 0.00 0.0 0.00 0.0 M
3/2/2018 7:30 AM 0.00 0.0 0.00 0.0 M
3/3/2018 6:00 AM 0.00 0.0 0.00 0.0 M
3/4/2018 8:00 AM 0.00 0.0 0.00 0.0 M
3/5/2018 7:20 AM 0.00 0.0 0.00 0.0 0.00
3/6/2018 7:20 AM 0.45 5.0 0.45 5.0 M Around 5 inches of snow. Liquid equivalent ~ 0.45 inches. Period of sleet around 2 PM. Snow started at around 4:25 PM and saw lightning and heard thunder at 4:36 PM. Sustained moderate to heavy snow started a little before 5:30 PM and continued until around 9 PM. Light snow occurred sometime overnight. There was about 4 inches of snow on the ground at 8:15 PM.
3/7/2018 7:25 AM 0.05 0.6 0.05 4.5 M
3/8/2018 7:30 AM 0.00 0.0 0.00 3.5 M
3/9/2018 7:30 AM 0.00 0.0 0.00 3.5 M
3/10/2018 7:30 AM 0.00 0.0 0.00 1.5 M Some spots have no snow.
3/11/2018 8:50 AM 0.00 0.0 0.00 0.5 M
3/12/2018 7:30 AM 0.00 0.0 0.00 T T Snow covering about half of the ground up to an inch thick in some places but mostly just a trace.
3/13/2018 7:30 AM 0.00 0.0 0.00 T M
3/14/2018 7:30 AM T T T T M Some snow flurries during yesterday around noon.
3/15/2018 7:30 AM 0.00 0.0 0.00 0.0 M
3/16/2018 7:10 AM 0.00 0.0 0.00 0.0 M
3/17/2018 8:00 AM 0.00 0.0 0.00 0.0 M
3/18/2018 7:50 AM 0.00 0.0 0.00 0.0 M
3/19/2018 7:25 AM 0.00 0.0 0.00 0.0 0.00
3/20/2018 7:30 AM 0.00 0.0 0.00 0.0 M
3/21/2018 7:30 AM 0.00 0.0 0.00 0.0 M
3/22/2018 7:30 AM 0.00 0.0 0.00 0.0 M
3/23/2018 7:30 AM 0.00 0.0 0.00 0.0 M
3/24/2018 8:00 AM 0.00 0.0 0.00 0.0 M
3/31/2018 8:00 AM 0.11 0.0 0.00 0.0 M
4/1/2018 7:40 AM T 0.0 0.00 0.0 M Appears to be nothing or just a few drops in the rain gauge, but it was drizzling a little bit and the rain gauge is frozen to the post, so there was some rain (I think).
4/2/2018 7:20 AM 0.00 0.0 0.00 0.0 0.00
4/3/2018 7:20 AM 0.01 0.0 0.00 0.0 M A bit of freezing drizzle, slippery on sidewalks.
4/4/2018 7:15 AM 0.41 3.3 0.35 3.0 M About 3.3 inches of snow on average accumulated. Possibly more fell. Ranged from 2.5 to 4 inches, but average was around 3 1/4. Also about 0.05 inch of ice froze on most surfaces, looks like almost 0.1 inch on top of a plastic fence. Snowing lightly at the time of this observation. Heaviest accumulating snow started around 8-9 PM. There was 3.3 inches of snow on a flat surface not obstructed by anything.
4/5/2018 7:40 AM T T T 1.0 M There was nothing in the rain gauge, but I saw it snowing until around 8 AM, so I just estimated a trace.
4/6/2018 7:30 AM 0.00 0.0 0.00 T M It snowed for a little bit, but it never even got to the ground.
4/7/2018 7:45 AM 0.00 0.0 0.00 0.0 M
4/8/2018 7:30 AM 0.00 0.0 0.00 0.0 M
4/9/2018 7:20 AM 0.03 0.5 0.03 0.5 0.03 About 0.5 inches of snow on wood surfaces and in rain gauge. 0.3 - 0.4 inches on the concrete sidewalk. Light snow ongoing.
4/10/2018 7:20 AM 0.00 0.0 0.00 0.0 M
4/11/2018 7:20 AM T T T T M A bit of snow/ice pellets or something fell during the evening or overnight.
4/12/2018 7:20 AM 0.07 0.0 0.00 0.0 M Rain.
4/13/2018 8:30 AM 0.02 0.0 0.00 0.0 M Rained a bit before observation time.
4/14/2018 8:00 AM 0.60 0.0 0.00 0.0 M Rain.
4/15/2018 8:00 AM 0.55 1.2 0.48 1.2 M About 1.2 inches of sleet/ice pellets and a little bit of snow on top of around 0.05 to 0.1 inch of ice. Switched to snow between 7:35 am and 7:40 am.
4/16/2018 7:25 AM 0.28 3.0 0.28 4.0 M About 3 inches of new snow. Light snow ongoing.
4/17/2018 7:20 AM 0.01 0.1 0.01 2.5 M 0.1 inch of new snow.
4/18/2018 7:45 AM 0.00 0.0 0.00 0.5 M Snow depth 0.5 inches.
4/19/2018 7:30 AM 0.58 4.5 0.58 4.5 M About 4.5 inches of new snow, might have been a little more, but it was probably melting while snowing and it is already melting this morning. Snowed about 2.5 - 3 inches from around noon to 4:30 PM, about 0.5 inch from 4:30 PM until 7:30 PM, and about 1 - 1.5 inches after 7:30 PM. The snow pretty much stopped after 10 PM.
4/20/2018 7:30 AM 0.00 0.0 0.00 0.5 M
4/21/2018 7:30 AM 0.00 0.0 0.00 0.0 M
4/22/2018 7:30 AM 0.00 0.0 0.00 0.0 M
4/23/2018 7:30 AM 0.00 0.0 M M M
4/24/2018 7:30 AM 0.00 0.0 M M M
4/25/2018 7:30 AM 0.00 0.0 M M M
4/26/2018 7:30 AM 0.00 0.0 M M M
4/27/2018 7:30 AM 0.00 0.0 M M M
4/28/2018 8:00 AM 0.03 M M M M A bit of rain yesterday afternoon around 4 PM.
4/29/2018 7:30 AM 0.00 0.0 M M M
4/30/2018 7:30 AM 0.00 0.0 M M M
5/1/2018 7:30 AM 0.00 0.0 M M M
5/2/2018 6:40 AM 1.18 M M M M 0.04 inch of rain during brief storm around 4 PM. Another 1.14 inch overnight.
5/3/2018 7:20 AM 0.52 M M M M Thunderstorms during evening and night.
5/4/2018 7:25 AM 1.26 M M M M Rain.
5/5/2018 7:50 AM 0.04 M M M M Light rain yesterday morning.
5/6/2018 7:00 AM 0.06 M M M M
5/7/2018 7:30 AM T M M M M Some random raindrops fell yesterday afternoon.
5/8/2018 7:30 AM 0.00 0.0 M M M
5/13/2018 8:25 AM 1.52 M M M M Rain.
5/14/2018 7:30 AM 0.71 M M M M
5/15/2018 7:50 AM 0.01 M M M M
5/16/2018 7:30 AM 0.00 0.0 M M M
5/17/2018 7:30 AM 0.00 0.0 M M M
5/18/2018 7:30 AM 0.00 0.0 M M M
5/19/2018 8:00 AM 0.02 M M M M
5/26/2018 8:00 AM 0.00 0.0 M M M
5/27/2018 8:00 AM 0.00 0.0 M M M
5/28/2018 8:00 AM 0.00 0.0 M M M
5/29/2018 7:00 AM 0.00 0.0 M M M
5/30/2018 7:30 AM T M M M M Rain.
5/31/2018 7:30 AM 0.77 M M M M
6/1/2018 7:30 AM 0.00 0.0 M M M
6/3/2018 12:00 PM 0.10 M M M M Noon.
6/4/2018 7:30 AM 0.00 0.0 M M M
6/5/2018 7:30 AM 0.05 M M M M A bit of rain.
6/6/2018 7:30 AM 0.00 0.0 M M M
6/7/2018 7:30 AM 0.35 M M M M
6/8/2018 7:30 AM 0.00 0.0 M M M
6/9/2018 8:00 AM 0.93 M M M M Short period of rain yesterday morning, then 0.6 inch more rain overnight.
6/10/2018 9:00 AM 2.20 M M M M Over 2 inches of rain overnight.
6/11/2018 7:30 AM 0.01 M M M M A little bit of rain after 9:00 AM yesterday.
6/12/2018 7:00 AM 0.00 0.0 M M M
7/10/2018 7:00 AM 0.00 0.0 M M M
7/11/2018 7:00 AM 0.00 0.0 M M M
7/12/2018 7:00 AM 0.00 0.0 M M M
7/13/2018 7:00 AM 0.00 0.0 M M M
7/14/2018 8:00 AM 0.74 M M M M Thunderstorms yesterday evening.
7/17/2018 8:00 AM 0.00 0.0 M M M
7/31/2018 7:00 AM 0.23 M M M M Brief storm and small hail around 12:50 PM yesterday and a little rain at other times also.
8/1/2018 8:00 AM 0.00 0.0 M M M
8/3/2018 8:00 AM 0.00 0.0 M M M
8/4/2018 7:00 AM 0.00 0.0 M M M
8/5/2018 7:00 AM T M M M M Rained yesterday night, but very lightly.
8/6/2018 9:00 AM 1.02 M M M M 1.02 inches of rain from last night to 9:00 AM.
8/7/2018 8:00 AM 0.00 0.0 M M M No rain since 9:00 AM yesterday.
8/10/2018 8:00 AM 0.19 M M M M About 1/5 inch of rain during storm yesterday afternoon around 4-5 pm.
8/11/2018 8:00 AM 0.04 M M M M A bit of rain overnight.
8/12/2018 7:00 AM 0.00 0.0 M M M
8/13/2018 7:00 AM 0.00 0.0 M M M
8/14/2018 7:00 AM 0.00 0.0 M M M
8/27/2018 9:00 AM 0.22 M M M M Thunderstorm around 4 - 5 PM yesterday.
8/28/2018 8:00 AM 0.02 M M M M Brief period of rain yesterday morning ~ 11 AM.
8/29/2018 7:30 AM 1.15 M M M M Thunderstorms and rain yesterday from ~ 6 PM to around 10 PM.
8/30/2018 8:00 AM 0.00 0.0 M M M
8/31/2018 8:00 AM 0.00 0.0 M M M
9/1/2018 9:30 AM 0.21 M M M M
9/2/2018 8:00 AM 1.03 M M M M Thunderstorms began after midnight.
9/3/2018 8:40 AM 0.77 M M M M 0.77 inches of rain during thunderstorms yesterday afternoon.
9/4/2018 7:30 AM 0.41 M M M M Rained on and off most of yesterday.
9/5/2018 7:30 AM 0.28 M M M M Rained overnight.
9/6/2018 7:30 AM 1.03 M M M M Rained all of yesterday.
9/7/2018 7:20 AM 0.00 0.0 M M M No rain.
9/8/2018 7:30 AM 0.00 0.0 M M M No rain.
9/9/2018 8:00 AM 0.00 0.0 M M M
9/10/2018 7:30 AM 0.00 0.0 M M M
9/11/2018 7:30 AM 0.00 0.0 M M M
9/12/2018 7:30 AM 0.00 0.0 M M M
9/13/2018 7:00 AM 0.00 0.0 M M M
9/14/2018 7:30 AM 0.00 0.0 M M M
9/15/2018 7:30 AM 0.00 0.0 M M M
9/16/2018 7:30 AM 0.00 0.0 M M M
9/17/2018 7:00 AM 0.00 0.0 M M M 10th day in a row with no rain.
9/20/2018 7:30 AM 0.84 M M M M 0.24 inch during the day yesterday and 0.6 inch overnight.
9/21/2018 7:30 AM 0.40 M M M M Rained overnight and a little bit yesterday morning.
9/22/2018 7:00 AM 0.00 0.0 M M M
9/23/2018 7:00 AM 0.00 0.0 M M M
9/24/2018 7:00 AM 0.00 0.0 M M M
9/25/2018 7:00 AM 0.00 0.0 M M M
9/26/2018 7:00 AM 0.57 M M M M Rain fell in a relatively short period of time yesterday afternoon.
9/27/2018 7:00 AM 0.00 0.0 M M M
9/28/2018 7:30 AM T M M M M Trace of rain yesterday afternoon.
9/29/2018 7:00 AM 0.00 0.0 M M M
9/30/2018 9:15 AM 0.29 M M M M Light drizze ongoing.



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
12/26/2017 1/01/2018 7:50 AM 7 0.08 1.9 0.08 Snow depth of 1.9 inches today. Probably snowed on December 28th and on December 29th. 0.9 inches of new snow, 0.08 inches melted. Temperature at observation time -14 F.
2/11/2018 2/13/2018 7:15 AM 3 0.11 8.0 0.11 1.6 inches of new snow overnight 2/10 to 2/11. Liquid equivalent 0.11 inches. Snow depth 8.0 inches.
3/25/2018 3/30/2018 8:00 AM 6 0.26 0.0 0.00
5/9/2018 5/10/2018 7:00 AM 2 0.56 M M
5/11/2018 5/12/2018 7:00 AM 2 1.08 M M Rain.
5/20/2018 5/25/2018 7:30 AM 6 2.12 M M
6/13/2018 7/09/2018 9:00 AM 27 8.82 M M Roughly 8.82 inches of rain over the time period. Measurement not too accurate, but actual amount was probably between 8.5 and 9 inches. Water filled most of the outer rain gauge.
7/15/2018 7/16/2018 10:00 AM 2 0.00 M M A trace of rain might have fell but there was none in the rain gauge.
8/8/2018 8/09/2018 8:30 AM 2 0.01 M M A little rain fell.
8/15/2018 8/26/2018 8:00 AM 12 M M M Over 11 inches of rain during this period. Around 11 inches of rain fell during the 24 hour period ending the morning of August 21st. Rain gauge filled up completely and there was some flooding, but not as bad as other places around Madison. Best estimate 12.5 to 14 inches of rain during this time period.
9/18/2018 9/19/2018 7:30 AM 2 0.65 M M Rain.



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