Station Overview Station Location
Station Number IL-CK-36 Latitude 41.886011
Station Name Chicago 4.7 NE Longitude -87.620955
County Cook Elevation (ft) 627



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 14 3.26 4.10 31 2.57 27 1.53 4 1 9 1 0.0 0 0
Nov 14 2.99 1.72 30 1.68 29 0.04 1 1 6 3 0.0 0 0
Dec 14 2.30 0.99 31 0.20 26 0.79 5 2 2 2 0.0 0 0
Jan 15 1.85 1.61 31 1.58 29 0.03 2 1 10 2 0.0 0 0
Feb 15 1.79 0.68 28 0.68 28 0.00 0 0 6 7 0.0 0 0
March 15 2.34 0.56 31 0.12 27 0.44 4 2 3 3 0.0 0 0
April 15 3.53 1.97 30 1.79 26 0.18 4 2 8 2 0.0 0 0
May 15 3.84 3.48 31 1.76 25 1.72 6 3 11 1 0.0 0 0
June 15 4.16 7.47 30 2.23 15 5.24 15 5 7 0 0.0 0 0
July 15 3.94 2.28 31 1.37 26 0.91 5 2 5 1 0.0 0 0
Aug 15 4.14 5.03 31 1.73 29 3.30 2 1 7 0 0.0 0 0
Sept 15 3.18 5.48 30 2.70 22 2.78 8 3 3 0 0.0 0 0
Water Year Totals: 37.32" 35.37" 365 days 18.41" 309 16.96" 56 days 23 77 days 22 days 0.0" 0 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
10/1/2014 0.01
10/2/2014 0.00
10/3/2014 1.72
10/4/2014 0.08
10/5/2014 0.05
10/6/2014 0.01
10/7/2014 0.00
10/8/2014 0.00
10/9/2014 0.00
10/10/2014 0.00
10/11/2014 0.00
10/12/2014 0.00
10/13/2014 T
10/14/2014 0.55
10/15/2014 **
10/16/2014 **
10/17/2014 1.53
10/18/2014 0.00
10/19/2014 0.09
10/20/2014 0.02
10/21/2014 0.00
10/22/2014 0.00
10/23/2014 0.00
10/24/2014 0.00
10/25/2014 0.00
10/26/2014 0.00
10/27/2014 0.00
10/28/2014 0.04
10/29/2014 0.00
10/30/2014 0.00
10/31/2014 **
11/1/2014 0.04
11/2/2014 0.00
11/3/2014 0.00
11/4/2014 0.03
11/5/2014 0.00
11/6/2014 0.00
11/7/2014 0.00
11/8/2014 T
11/9/2014 0.00
11/10/2014 0.00
11/11/2014 0.00
11/12/2014 0.27
11/13/2014 0.00
11/14/2014 T
11/15/2014 T
11/16/2014 0.00
11/17/2014 0.01
11/18/2014 0.00
11/19/2014 0.00
11/20/2014 0.00
11/21/2014 0.00
11/22/2014 0.07
11/23/2014 0.00
11/24/2014 1.06
11/25/2014 0.24
11/26/2014 0.00
11/27/2014 0.00
11/28/2014 0.00
11/29/2014 0.00
11/30/2014 0.00
12/1/2014 0.00
12/2/2014 T
12/3/2014 0.00
12/4/2014 0.00
12/5/2014 0.00
12/6/2014 0.00
12/7/2014 0.00
12/8/2014 0.00
12/9/2014 **
12/10/2014 0.16
12/11/2014 0.00
12/12/2014 0.00
12/13/2014 0.00
12/14/2014 0.00
12/15/2014 0.00
12/16/2014 0.19
12/17/2014 0.01
12/18/2014 0.00
12/19/2014 0.00
12/20/2014 0.00
12/21/2014 T
12/22/2014 0.00
12/23/2014 **
12/24/2014 **
12/25/2014 0.63
12/26/2014 0.00
12/27/2014 0.00
12/28/2014 0.00
12/29/2014 0.00
12/30/2014 0.00
12/31/2014 0.00
Day of YearDaily PrcpMultiday Prcp
1/1/2015 0.00
1/2/2015 0.00
1/3/2015 0.17
1/4/2015 0.62
1/5/2015 0.14
1/6/2015 0.18
1/7/2015 0.00
1/8/2015 0.00
1/9/2015 0.15
1/10/2015 0.00
1/11/2015 0.00
1/12/2015 0.20
1/13/2015 **
1/14/2015 0.03
1/15/2015 0.00
1/16/2015 0.00
1/17/2015 0.00
1/18/2015 0.00
1/19/2015 0.00
1/20/2015 T
1/21/2015 0.01
1/22/2015 0.00
1/23/2015 0.00
1/24/2015 0.00
1/25/2015 0.00
1/26/2015 0.03
1/27/2015 0.07
1/28/2015 0.00
1/29/2015 0.01
1/30/2015 T
1/31/2015 0.00
2/1/2015 0.22
2/2/2015 0.14
2/3/2015 0.00
2/4/2015 0.10
2/5/2015 0.05
2/6/2015 0.00
2/7/2015 0.00
2/8/2015 0.00
2/9/2015 T
2/10/2015 0.00
2/11/2015 0.00
2/12/2015 T
2/13/2015 0.00
2/14/2015 T
2/15/2015 T
2/16/2015 0.06
2/17/2015 0.00
2/18/2015 T
2/19/2015 0.00
2/20/2015 0.00
2/21/2015 T
2/22/2015 0.00
2/23/2015 0.00
2/24/2015 0.00
2/25/2015 T
2/26/2015 0.11
2/27/2015 0.00
2/28/2015 0.00
3/1/2015 0.02
3/2/2015 T
3/3/2015 **
3/4/2015 0.10
3/5/2015 0.00
3/6/2015 0.00
3/7/2015 0.00
3/8/2015 0.00
3/9/2015 0.00
3/10/2015 0.00
3/11/2015 0.00
3/12/2015 0.00
3/13/2015 0.00
3/14/2015 0.00
3/15/2015 0.00
3/16/2015 0.00
3/17/2015 0.00
3/18/2015 0.00
3/19/2015 0.00
3/20/2015 0.00
3/21/2015 0.00
3/22/2015 0.00
3/23/2015 0.08
3/24/2015 **
3/25/2015 0.34
3/26/2015 0.00
3/27/2015 0.02
3/28/2015 T
3/29/2015 0.00
3/30/2015 T
3/31/2015 0.00
Day of YearDaily PrcpMultiday Prcp
4/1/2015 0.00
4/2/2015 0.00
4/3/2015 0.01
4/4/2015 0.00
4/5/2015 0.00
4/6/2015 0.00
4/7/2015 **
4/8/2015 0.03
4/9/2015 0.19
4/10/2015 0.73
4/11/2015 0.00
4/12/2015 0.00
4/13/2015 0.16
4/14/2015 0.05
4/15/2015 0.00
4/16/2015 **
4/17/2015 0.15
4/18/2015 0.00
4/19/2015 0.00
4/20/2015 0.45
4/21/2015 T
4/22/2015 T
4/23/2015 0.00
4/24/2015 0.00
4/25/2015 0.11
4/26/2015 0.09
4/27/2015 0.00
4/28/2015 0.00
4/29/2015 0.00
4/30/2015 0.00
5/1/2015 0.00
5/2/2015 0.00
5/3/2015 0.00
5/4/2015 0.26
5/5/2015 **
5/6/2015 0.74
5/7/2015 0.00
5/8/2015 0.00
5/9/2015 0.59
5/10/2015 0.13
5/11/2015 0.03
5/12/2015 **
5/13/2015 0.20
5/14/2015 0.00
5/15/2015 0.14
5/16/2015 0.00
5/17/2015 0.01
5/18/2015 0.00
5/19/2015 0.00
5/20/2015 0.00
5/21/2015 0.04
5/22/2015 0.00
5/23/2015 0.00
5/24/2015 T
5/25/2015 0.35
5/26/2015 0.06
5/27/2015 0.14
5/28/2015 0.01
5/29/2015 0.00
5/30/2015 **
5/31/2015 0.78
6/1/2015 0.03
6/2/2015 0.00
6/3/2015 0.00
6/4/2015 0.00
6/5/2015 0.00
6/6/2015 0.00
6/7/2015 0.00
6/8/2015 0.30
6/9/2015 **
6/10/2015 **
6/11/2015 **
6/12/2015 0.71
6/13/2015 0.11
6/14/2015 1.27
6/15/2015 **
6/16/2015 2.87
6/17/2015 0.00
6/18/2015 0.11
6/19/2015 **
6/20/2015 **
6/21/2015 0.37
6/22/2015 0.00
6/23/2015 **
6/24/2015 **
6/25/2015 0.89
6/26/2015 0.01
6/27/2015 0.40
6/28/2015 **
6/29/2015 **
6/30/2015 0.40
Day of YearDaily PrcpMultiday Prcp
7/1/2015 0.00
7/2/2015 0.00
7/3/2015 0.00
7/4/2015 0.00
7/5/2015 0.00
7/6/2015 0.00
7/7/2015 0.79
7/8/2015 0.08
7/9/2015 0.10
7/10/2015 T
7/11/2015 0.00
7/12/2015 **
7/13/2015 0.12
7/14/2015 0.19
7/15/2015 0.00
7/16/2015 0.00
7/17/2015 **
7/18/2015 **
7/19/2015 0.79
7/20/2015 0.00
7/21/2015 0.00
7/22/2015 0.00
7/23/2015 0.00
7/24/2015 0.00
7/25/2015 0.00
7/26/2015 0.00
7/27/2015 0.00
7/28/2015 0.00
7/29/2015 0.21
7/30/2015 0.00
7/31/2015 0.00
8/1/2015 0.00
8/2/2015 0.00
8/3/2015 0.65
8/4/2015 0.00
8/5/2015 0.00
8/6/2015 0.00
8/7/2015 0.00
8/8/2015 0.00
8/9/2015 0.00
8/10/2015 0.08
8/11/2015 0.20
8/12/2015 0.00
8/13/2015 0.00
8/14/2015 0.00
8/15/2015 0.23
8/16/2015 0.00
8/17/2015 0.00
8/18/2015 **
8/19/2015 3.30
8/20/2015 0.00
8/21/2015 0.00
8/22/2015 0.00
8/23/2015 0.00
8/24/2015 0.02
8/25/2015 0.00
8/26/2015 0.00
8/27/2015 0.00
8/28/2015 0.00
8/29/2015 0.35
8/30/2015 0.20
8/31/2015 0.00
9/1/2015 0.00
9/2/2015 0.00
9/3/2015 0.00
9/4/2015 0.00
9/5/2015 0.00
9/6/2015 **
9/7/2015 **
9/8/2015 0.22
9/9/2015 1.02
9/10/2015 0.00
9/11/2015 **
9/12/2015 **
9/13/2015 1.40
9/14/2015 0.00
9/15/2015 0.00
9/16/2015 0.00
9/17/2015 0.00
9/18/2015 1.63
9/19/2015 **
9/20/2015 1.16
9/21/2015 0.00
9/22/2015 0.00
9/23/2015 0.00
9/24/2015 0.00
9/25/2015 0.00
9/26/2015 0.00
9/27/2015 0.00
9/28/2015 0.00
9/29/2015 0.00
9/30/2015 0.05



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2014 7:00 AM 0.01 M M M M
10/2/2014 7:00 AM 0.00 0.0 M M M
10/3/2014 7:00 AM 1.72 M M M M Thundershowers started around 9 pm and fog appeared.
10/4/2014 7:00 AM 0.08 M M M M
10/5/2014 7:00 AM 0.05 M M M M Snow showers at 7:52 am followed by rain.
10/6/2014 7:00 AM 0.01 M M M M
10/7/2014 7:00 AM 0.00 0.0 M M M
10/8/2014 7:00 AM 0.00 0.0 M M M
10/9/2014 7:00 AM 0.00 0.0 M M M
10/10/2014 7:00 AM 0.00 0.0 M M M
10/11/2014 7:00 AM 0.00 0.0 M M M
10/12/2014 7:00 AM 0.00 0.0 M M M
10/13/2014 7:00 AM T 0.0 M M M A picture perfect day for the Chicago Marathon: sunny with temperatures in the 50's. Fog along the lakefront after 10 pm.
10/14/2014 7:00 AM 0.55 M M M M
10/18/2014 7:00 AM 0.00 0.0 M M M
10/19/2014 7:00 AM 0.09 M M M M
10/20/2014 7:00 AM 0.02 M M M M At 6 am the news reporter on the radio was saying that while there was no rain in the forecast, there were reports of showers in the northern suburbs. At the same time, here in the city there was lightning, thunder and rain for 35-45 minutes.
10/21/2014 7:00 AM 0.00 0.0 M M M
10/22/2014 7:00 AM 0.00 0.0 M M M
10/23/2014 7:00 AM 0.00 0.0 M M M
10/24/2014 7:00 AM 0.00 0.0 M M M
10/25/2014 7:00 AM 0.00 0.0 M M M Haze moved in overnight but dissipated once the sun came out.
10/26/2014 7:00 AM 0.00 0.0 M M M
10/27/2014 7:00 AM 0.00 0.0 M M M
10/28/2014 7:00 AM 0.04 M M M M An unseasonably warm, windy day with temperatures in the 70's, followed by rain and temperatures 10-15°cooler.
10/29/2014 7:00 AM 0.00 0.0 M M M
10/30/2014 7:00 AM 0.00 0.0 M M M
11/2/2014 7:00 AM 0.00 0.0 M M M
11/3/2014 7:00 AM 0.00 0.0 M M M
11/4/2014 7:00 AM 0.03 M M M M
11/5/2014 7:00 AM 0.00 0.0 M M M
11/6/2014 7:00 AM 0.00 0.0 M M M
11/7/2014 7:00 AM 0.00 0.0 M M M
11/8/2014 7:00 AM T M M M M
11/9/2014 7:00 AM 0.00 0.0 M M M
11/10/2014 7:00 AM 0.00 0.0 M M M
11/11/2014 7:00 AM 0.00 0.0 M M M
11/12/2014 7:00 AM 0.27 M M M M This measurement was based on ice in the gauge which I melted. It started raining at 9:20 am and the temperatures took a nosedive from the 50's to the 30's with wind chills in the teens.
11/13/2014 7:00 AM 0.00 0.0 M M M
11/14/2014 7:00 AM T M M M M snow flurries on and off all day
11/15/2014 7:00 AM T M M M M wind chills in the teens and snow flurries on and off all day
11/16/2014 7:00 AM 0.00 0.0 M M M flurries at night
11/17/2014 7:00 AM 0.01 M M M M This measurement was based on ice in the gauge which I melted. There were light snow flurries on and off all day.
11/18/2014 7:00 AM 0.00 0.0 M M M
11/19/2014 7:00 AM 0.00 0.0 M M M
11/20/2014 7:00 AM 0.00 0.0 M M M
11/21/2014 7:00 AM 0.00 0.0 M M M
11/22/2014 7:00 AM 0.07 M M M M The temperature rose above freezing overnight and fog rolled in.
11/23/2014 7:00 AM 0.00 0.0 M M M
11/24/2014 7:00 AM 1.06 M M M M The rain and fog started around 3:30 pm and continued through the night.
11/25/2014 7:00 AM 0.24 M M M M It was raining in the morning (9 am) and temperatures were in the 40's. It soon changed to snow and a little sleet as temperatures fell into the 20's with a strong westerly wind. This measurement was based on snow and ice in the gauge which I melted.
11/26/2014 7:00 AM 0.00 0.0 M M M
11/27/2014 7:00 AM 0.00 0.0 M M M
11/28/2014 7:00 AM 0.00 0.0 M M M
11/29/2014 7:00 AM 0.00 0.0 M M M
11/30/2014 7:00 AM 0.00 0.0 M M M
12/1/2014 7:00 AM 0.00 0.0 M M M It was sunny with temperatures in the 40's in the morning, but by early afternoon it was completely overcast and foggy along the lakefront. Temperatures dropped until the wind chills were in the single digits overnight.
12/2/2014 7:00 AM T M M M M intermittent snow flurries all day with no accumulation
12/3/2014 7:00 AM 0.00 0.0 M M M
12/4/2014 7:00 AM 0.00 0.0 M M M
12/5/2014 7:00 AM 0.00 0.0 M M M
12/6/2014 7:00 AM 0.00 0.0 M M M
12/7/2014 7:00 AM 0.00 0.0 M M M
12/8/2014 7:00 AM 0.00 0.0 M M M
12/11/2014 7:00 AM 0.00 0.0 M M M
12/12/2014 7:00 AM 0.00 0.0 M M M Dense fog moved in overnight and into the morning.
12/13/2014 7:00 AM 0.00 0.0 M M M
12/14/2014 7:00 AM 0.00 0.0 M M M
12/15/2014 7:00 AM 0.00 0.0 M M M dense fog from early evening through the night
12/16/2014 7:00 AM 0.19 M M M M The dense fog continued throughout the day and night into this morning.
12/17/2014 7:00 AM 0.01 M M M M This measurement was based on ice in the gauge which I melted.
12/18/2014 7:00 AM 0.00 0.0 M M M
12/19/2014 7:00 AM 0.00 0.0 M M M
12/20/2014 7:00 AM 0.00 0.0 M M M
12/21/2014 7:00 AM T M M M M Just a few flurries blew by around noon.
12/22/2014 7:00 AM 0.00 0.0 M M M
12/26/2014 7:00 AM 0.00 0.0 M M M
12/27/2014 7:00 AM 0.00 0.0 M M M A sunny, windy day in the 40's. Fog around 7 am.
12/28/2014 7:00 AM 0.00 0.0 M M M
12/29/2014 7:00 AM 0.00 0.0 M M M
12/30/2014 7:00 AM 0.00 0.0 M M M
12/31/2014 7:00 AM 0.00 0.0 M M M
1/1/2015 7:00 AM 0.00 0.0 M M M
1/2/2015 7:00 AM 0.00 0.0 M M M
1/3/2015 7:00 AM 0.17 M M M M This measurement was based on a mixed of rain, sleet and snow and ice in the gauge which I melted.
1/4/2015 7:00 AM 0.62 M M M M Rain and fog on and off all day. Wet snow and fog overnight.
1/5/2015 7:00 AM 0.14 M M M M Frigid with temperatures in the single digits. Strong wind. This measurement was based on snow in the gauge which I melted.
1/6/2015 7:00 AM 0.18 M M M M This measurement was based on snow in the gauge which I melted.
1/7/2015 7:00 AM 0.00 0.0 M M M
1/8/2015 7:00 AM 0.00 0.0 M M M Bitterly cold.
1/9/2015 7:00 AM 0.15 M M M M Still frigid with single-digit temperatures and strong winds. This measurement was based on snow in the gauge which I melted.
1/10/2015 7:00 AM 0.00 0.0 M M M
1/11/2015 7:00 AM 0.00 0.0 M M M
1/12/2015 7:00 AM 0.20 M M M M This measurement was based on snow in the gauge which I melted.
1/15/2015 7:00 AM 0.00 0.0 M M M
1/16/2015 7:00 AM 0.00 0.0 M M M
1/17/2015 7:00 AM 0.00 0.0 M M M
1/18/2015 7:00 AM 0.00 0.0 M M M
1/19/2015 7:00 AM 0.00 0.0 M M M
1/20/2015 7:00 AM T M M M M
1/21/2015 7:00 AM 0.01 M M M M
1/22/2015 7:00 AM 0.00 0.0 M M M
1/23/2015 7:00 AM 0.00 0.0 M M M
1/24/2015 7:00 AM 0.00 0.0 M M M
1/25/2015 7:00 AM 0.00 0.0 M M M Dense fog moved in overnight.
1/26/2015 7:00 AM 0.03 M M M M It started raining a little after 7 am and changed to snow flurries soon after. The light flurries continued for much of the day but never amounted to much. This measurement was based on snow in the gauge which I melted.
1/27/2015 7:00 AM 0.07 M M M M This measurement was based on snow and ice in the gauge which I melted.
1/28/2015 7:00 AM 0.00 0.0 M M M
1/29/2015 7:00 AM 0.01 M M M M
1/30/2015 7:00 AM T M M M M
1/31/2015 7:00 AM 0.00 0.0 M M M
2/1/2015 7:00 AM 0.22 M M M M Rain started around 8 pm, changing to light snow which fell all night. Dense fog continuing into the morning. This measurement was based on snow in the gauge which I melted.
2/2/2015 7:00 AM 0.14 M M M M Rain started at 8 pm and quickly changed to snow which continued all night and all of February 2. Dense fog. This measurement was based on snow in the gauge which I melted.
2/3/2015 7:00 AM 0.00 0.0 M M M
2/4/2015 7:00 AM 0.10 M M M M This measurement was based on snow in the gauge which I melted.
2/5/2015 7:00 AM 0.05 M M M M This measurement was based on snow in the gauge which I melted.
2/6/2015 7:00 AM 0.00 0.0 M M M Bright sun, but nothing melted because the wind chill kept the temperatures in the single digits or below zero.
2/7/2015 7:00 AM 0.00 0.0 M M M
2/8/2015 7:00 AM 0.00 0.0 M M M Much warmer temperatures (upper 30s, low 40s) than recently with light fog overnight.
2/9/2015 7:00 AM T M M M M Fog became progressively denser as the day wore on. There was a bit of precipitation that resulted in ice chips in the gauge which I melted but did not add up to anything measurable.
2/10/2015 7:00 AM 0.00 0.0 M M M
2/11/2015 7:00 AM 0.00 0.0 M M M
2/12/2015 7:00 AM T M M M M A very light dusting of snow. The temperatures dropped into the teens with wind chills below zero overnight accompanied by strong winds.
2/13/2015 7:00 AM 0.00 0.0 M M M
2/14/2015 7:00 AM T M M M M The winds increased and came from the north. The temperatures dropped and a few flurries flew early in the morning.
2/15/2015 7:00 AM T M M M M Mid-morning period of white-out lake effect snow lasting only a few minutes. Wind chills below zero.
2/16/2015 7:00 AM 0.06 M M M M This measurement was based on snow in the gauge which I melted. Lake effect snow fell from mid-morning until late afternoon. Windy. Below zero wind chills.
2/17/2015 7:00 AM 0.00 0.0 M M M
2/18/2015 7:00 AM T M M M M
2/19/2015 7:00 AM 0.00 0.0 M M M record setting low temperatures
2/20/2015 7:00 AM 0.00 0.0 M M M -8°F record set for lowest temperature and 4°F for lowest high temperature
2/21/2015 7:00 AM T M M M M
2/22/2015 7:00 AM 0.00 0.0 M M M
2/23/2015 7:00 AM 0.00 0.0 M M M
2/24/2015 7:00 AM 0.00 0.0 M M M
2/25/2015 7:00 AM T M M M M
2/26/2015 7:00 AM 0.11 M M M M This measurement was based on snow in the gauge which I melted.
2/27/2015 7:00 AM 0.00 0.0 M M M Wind chill adversary overnight. Lake effect snow in the morning. Windy. This measurement was based on snow in the gauge which I melted.
2/28/2015 7:00 AM 0.00 0.0 M M M record-breaking cold
3/1/2015 7:00 AM 0.02 M M M M This measurement was based on snow in the gauge which I melted.
3/2/2015 7:00 AM T M M M M
3/5/2015 7:00 AM 0.00 0.0 M M M
3/6/2015 7:00 AM 0.00 0.0 M M M
3/7/2015 7:00 AM 0.00 0.0 M M M
3/8/2015 7:00 AM 0.00 0.0 M M M
3/9/2015 7:00 AM 0.00 0.0 M M M
3/10/2015 7:00 AM 0.00 0.0 M M M
3/11/2015 7:00 AM 0.00 0.0 M M M
3/12/2015 7:00 AM 0.00 0.0 M M M
3/13/2015 7:00 AM 0.00 0.0 M M M
3/14/2015 7:00 AM 0.00 0.0 M M M
3/15/2015 7:00 AM 0.00 0.0 M M M
3/16/2015 7:00 AM 0.00 0.0 M M M
3/17/2015 7:00 AM 0.00 0.0 M M M
3/18/2015 7:00 AM 0.00 0.0 M M M
3/19/2015 7:00 AM 0.00 0.0 M M M
3/20/2015 7:00 AM 0.00 0.0 M M M
3/21/2015 7:00 AM 0.00 0.0 M M M
3/22/2015 7:00 AM 0.00 0.0 M M M
3/23/2015 7:00 AM 0.08 M M M M This measurement was based on snow in the gauge which I melted. This is the first precipitation we've had in 18 days.
3/26/2015 7:00 AM 0.00 0.0 M M M
3/27/2015 7:00 AM 0.02 M M M M Winds shifted to the north causing lake effect snow. This measurement was based on snow in the gauge which I melted.
3/28/2015 7:00 AM T M M M M
3/29/2015 7:00 AM 0.00 0.0 M M M
3/30/2015 7:00 AM T M M M M
3/31/2015 7:00 AM 0.00 0.0 M M M Dense fog moved in overnight.
4/1/2015 7:00 AM 0.00 0.0 M M M
4/2/2015 7:00 AM 0.00 0.0 M M M
4/3/2015 7:00 AM 0.01 M M M M
4/4/2015 7:00 AM 0.00 0.0 M M M
4/5/2015 7:00 AM 0.00 0.0 M M M
4/6/2015 7:00 AM 0.00 0.0 M M M
4/9/2015 7:00 AM 0.19 M M M M dense fog continues
4/10/2015 7:00 AM 0.73 M M M M dense fog and thunderstorms during the day, very windy overnight
4/11/2015 7:00 AM 0.00 0.0 M M M
4/12/2015 7:00 AM 0.00 0.0 M M M
4/13/2015 7:00 AM 0.16 M M M M
4/14/2015 7:00 AM 0.05 M M M M
4/15/2015 7:00 AM 0.00 0.0 M M M A typical Spring day: in the 60's away from Lake Michigan but in the 40's here along the lake.
4/18/2015 7:00 AM 0.00 0.0 M M M
4/19/2015 7:00 AM 0.00 0.0 M M M
4/20/2015 7:00 AM 0.45 M M M M
4/21/2015 7:00 AM T M M M M
4/22/2015 7:00 AM T M M M M Wind advisories all day. Around 6:20 am: SNOW!
4/23/2015 7:00 AM 0.00 0.0 M M M
4/24/2015 7:00 AM 0.00 0.0 M M M
4/25/2015 7:00 AM 0.11 M M M M
4/26/2015 7:00 AM 0.09 M M M M
4/27/2015 7:00 AM 0.00 0.0 M M M
4/28/2015 7:00 AM 0.00 0.0 M M M
4/29/2015 7:00 AM 0.00 0.0 M M M
4/30/2015 7:00 AM 0.00 0.0 M M M
5/1/2015 7:00 AM 0.00 0.0 M M M
5/2/2015 7:00 AM 0.00 0.0 M M M
5/3/2015 7:00 AM 0.00 0.0 M M M
5/4/2015 7:00 AM 0.26 M M M M
5/7/2015 7:00 AM 0.00 0.0 M M M
5/8/2015 7:00 AM 0.00 0.0 M M M
5/9/2015 7:00 AM 0.59 M M M M The rain started around 4:45 pm. Dense fog by 9 pm which continued into the morning.
5/10/2015 7:00 AM 0.13 M M M M Dense fog returned by 7:30 pm and continued through the night.
5/11/2015 7:00 AM 0.03 M M M M
5/14/2015 7:00 AM 0.00 0.0 M M M
5/15/2015 7:00 AM 0.14 M M M M
5/16/2015 7:00 AM 0.00 0.0 M M M
5/17/2015 7:00 AM 0.01 M M M M
5/18/2015 7:00 AM 0.00 0.0 M M M
5/19/2015 7:00 AM 0.00 0.0 M M M
5/20/2015 7:00 AM 0.00 0.0 M M M
5/21/2015 7:00 AM 0.04 M M M M The day started out sunny but quickly changed to overcast, very windy, temperatures in the 40's and finally rainy at night.
5/22/2015 7:00 AM 0.00 0.0 M M M
5/23/2015 7:00 AM 0.00 0.0 M M M
5/24/2015 7:00 AM T M M M M Saturday was sunny and warm (temperatures in the 70's) for the Memorial Day parade, but early Sunday 20,000+ bike riders who participated in Chicago's Bike The Drive had to persevere in the cloudy, drizzly weather.
5/25/2015 7:00 AM 0.35 M M M M
5/26/2015 7:00 AM 0.06 M M M M
5/27/2015 7:00 AM 0.14 M M M M
5/28/2015 7:00 AM 0.01 M M M M
5/29/2015 7:00 AM 0.00 0.0 M M M
6/1/2015 7:00 AM 0.03 M M M M
6/2/2015 7:00 AM 0.00 0.0 M M M
6/3/2015 7:00 AM 0.00 0.0 M M M
6/4/2015 7:00 AM 0.00 0.0 M M M
6/5/2015 7:00 AM 0.00 0.0 M M M Dense fog overnight into the morning.
6/6/2015 7:00 AM 0.00 0.0 M M M
6/7/2015 7:00 AM 0.00 0.0 M M M
6/8/2015 7:00 AM 0.30 M M M M
6/13/2015 7:00 AM 0.11 M M M M Dense fog from 10 am which lasted all day, through the night and into the early morning.
6/14/2015 7:00 AM 1.27 M M M M The fog cleared up by 7 am but reappeared at 5:30 pm and lasted for a little more than an hour when it was replaced by a thunderstorm. It's the most rainfall at this location so far this year.
6/17/2015 7:00 AM 0.00 0.0 M M M
6/18/2015 7:00 AM 0.11 M M M M Dense fog overnight which continued into the morning.
6/22/2015 7:00 AM 0.00 0.0 M M M
6/26/2015 7:00 AM 0.01 M M M M It was sunny and warm in the morning. By 2 pm, it was cloudy and cool. The fog rolled in by 5 pm, it rained for a few minutes around 7 pm and the fog remained overnight.
6/27/2015 7:00 AM 0.40 M M M M
7/1/2015 7:00 AM 0.00 0.0 M M M Dense fog from 5:15 pm to 8:45 pm.
7/2/2015 7:00 AM 0.00 0.0 M M M Fog overnight into the morning.
7/3/2015 7:00 AM 0.00 0.0 M M M Fog overnight until 8 am.
7/4/2015 7:00 AM 0.00 0.0 M M M
7/5/2015 7:00 AM 0.00 0.0 M M M
7/6/2015 7:00 AM 0.00 0.0 M M M
7/7/2015 7:00 AM 0.79 M M M M rain, lightning, thunder and fog
7/8/2015 7:00 AM 0.08 M M M M
7/9/2015 7:00 AM 0.10 M M M M cool, foggy, rainy
7/10/2015 7:00 AM T M M M M
7/11/2015 7:00 AM 0.00 0.0 M M M
7/14/2015 7:00 AM 0.19 M M M M
7/15/2015 7:00 AM 0.00 0.0 M M M
7/16/2015 7:00 AM 0.00 0.0 M M M
7/20/2015 7:00 AM 0.00 0.0 M M M
7/21/2015 7:00 AM 0.00 0.0 M M M
7/22/2015 7:00 AM 0.00 0.0 M M M
7/23/2015 7:00 AM 0.00 0.0 M M M
7/24/2015 7:00 AM 0.00 0.0 M M M
7/25/2015 7:00 AM 0.00 0.0 M M M
7/26/2015 7:00 AM 0.00 0.0 M M M
7/27/2015 7:00 AM 0.00 0.0 M M M
7/28/2015 7:00 AM 0.00 0.0 M M M
7/29/2015 7:00 AM 0.21 M M M M
7/30/2015 7:00 AM 0.00 0.0 M M M
7/31/2015 7:00 AM 0.00 0.0 M M M
8/1/2015 7:00 AM 0.00 0.0 M M M
8/2/2015 7:00 AM 0.00 0.0 M M M
8/3/2015 7:00 AM 0.65 M M M M
8/4/2015 7:00 AM 0.00 0.0 M M M
8/5/2015 7:00 AM 0.00 0.0 M M M
8/6/2015 7:00 AM 0.00 0.0 M M M
8/7/2015 7:00 AM 0.00 0.0 M M M
8/8/2015 7:00 AM 0.00 0.0 M M M
8/9/2015 7:00 AM 0.00 0.0 M M M
8/10/2015 7:00 AM 0.08 M M M M Dense fog overnight.
8/11/2015 7:00 AM 0.20 M M M M
8/12/2015 7:00 AM 0.00 0.0 M M M
8/13/2015 7:00 AM 0.00 0.0 M M M
8/14/2015 7:00 AM 0.00 0.0 M M M
8/15/2015 7:00 AM 0.23 M M M M
8/16/2015 7:00 AM 0.00 0.0 M M M
8/17/2015 7:00 AM 0.00 0.0 M M M
8/20/2015 7:00 AM 0.00 0.0 M M M
8/21/2015 7:00 AM 0.00 0.0 M M M
8/22/2015 7:00 AM 0.00 0.0 M M M
8/23/2015 7:00 AM 0.00 0.0 M M M
8/24/2015 7:00 AM 0.02 M M M M
8/25/2015 7:00 AM 0.00 0.0 M M M
8/26/2015 7:00 AM 0.00 0.0 M M M
8/27/2015 7:00 AM 0.00 0.0 M M M
8/28/2015 7:00 AM 0.00 0.0 M M M
8/29/2015 7:00 AM 0.35 M M M M
8/30/2015 7:00 AM 0.20 M M M M Dense fog overnight.
8/31/2015 7:00 AM 0.00 0.0 M M M
9/1/2015 7:00 AM 0.00 0.0 M M M
9/2/2015 7:00 AM 0.00 0.0 M M M
9/3/2015 7:00 AM 0.00 0.0 M M M
9/4/2015 7:00 AM 0.00 0.0 M M M A dense fog came in off Lake Michigan at 6:30 pm, blew through the city and was gone an hour later.
9/5/2015 7:00 AM 0.00 0.0 M M M
9/9/2015 7:00 AM 1.02 M M M M
9/10/2015 7:00 AM 0.00 0.0 M M M
9/14/2015 7:00 AM 0.00 0.0 M M M
9/15/2015 7:00 AM 0.00 0.0 M M M
9/16/2015 7:00 AM 0.00 0.0 M M M
9/17/2015 7:00 AM 0.00 0.0 M M M
9/18/2015 7:00 AM 1.63 M M M M
9/21/2015 7:00 AM 0.00 0.0 M M M
9/22/2015 7:00 AM 0.00 0.0 M M M
9/23/2015 7:00 AM 0.00 0.0 M M M
9/24/2015 7:00 AM 0.00 0.0 M M M
9/25/2015 7:00 AM 0.00 0.0 M M M
9/26/2015 7:00 AM 0.00 0.0 M M M
9/27/2015 7:00 AM 0.00 0.0 M M M
9/28/2015 7:00 AM 0.00 0.0 M M M
9/29/2015 7:00 AM 0.00 0.0 M M M dense fog overnight
9/30/2015 7:00 AM 0.05 M M M M rainy, colder, wind out of the north



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
10/15/2014 10/17/2014 7:00 AM 3 1.53 M M
10/31/2014 11/01/2014 7:00 AM 2 0.04 M M
12/9/2014 12/10/2014 7:00 AM 2 0.16 M M This measurement was taken from ice in the gauge which I melted.
12/23/2014 12/25/2014 7:00 AM 3 0.63 M M
1/13/2015 1/14/2015 7:00 AM 2 0.03 M M This measurement was based on snow in the gauge which I melted.
3/3/2015 3/04/2015 7:00 AM 2 0.10 M M This measurement was based on ice in the gauge which I melted.
3/24/2015 3/25/2015 7:00 AM 2 0.34 M M
4/7/2015 4/08/2015 7:00 AM 2 0.03 M M Dense fog late Tuesday afternoon into Wednesday morning.
4/16/2015 4/17/2015 7:00 AM 2 0.15 M M
5/5/2015 5/06/2015 7:00 AM 2 0.74 M M
5/12/2015 5/13/2015 7:00 AM 2 0.20 M M
5/30/2015 5/31/2015 7:00 AM 2 0.78 M M
6/9/2015 6/12/2015 7:00 AM 4 0.71 M M
6/15/2015 6/16/2015 7:00 AM 2 2.87 M M
6/19/2015 6/21/2015 7:00 AM 3 0.37 M M
6/23/2015 6/25/2015 7:00 AM 3 0.89 M M
6/28/2015 6/30/2015 7:00 AM 3 0.40 M M
7/12/2015 7/13/2015 7:00 AM 2 0.12 M M
7/17/2015 7/19/2015 7:00 AM 3 0.79 M M
8/18/2015 8/19/2015 7:00 AM 2 3.30 M M
9/6/2015 9/08/2015 7:00 AM 3 0.22 M M
9/11/2015 9/13/2015 7:00 AM 3 1.40 M M
9/19/2015 9/20/2015 7:00 AM 2 1.16 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