Station Overview Station Location
Station Number MI-WS-38 Latitude 42.333363
Station Name Chelsea 2.4 WNW Longitude -84.061825
County Washtenaw Elevation (ft) 977



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 16 2.83 5.27 17 5.27 17 0.00 0 0 15 2 0.0 0 0
Nov 16 2.84 2.06 11 2.06 11 0.00 0 0 9 2 1.0 1 0
Dec 16 2.19 1.73 15 1.73 15 0.00 0 0 11 4 14.8 7 3
Jan 17 1.88 3.53 23 3.53 23 0.00 0 0 19 4 10.3 9 4
Feb 17 1.70 2.07 13 0.67 10 1.40 3 1 9 1 0.8 3 0
March 17 2.10 4.68 13 4.68 13 0.00 0 0 13 0 4.1 4 2
April 17 2.83 4.39 12 4.39 12 0.00 0 0 11 0 0.0 0 0
May 17 3.28 2.82 11 2.82 11 0.00 0 0 10 1 0.0 0 0
June 17 3.57 0.56 1 0.56 1 0.00 0 0 1 0 0.0 0 0
July 17 3.28 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Aug 17 3.52 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Sept 17 3.51 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Water Year Totals: 33.53" 27.11" 116 days 25.71" 113 1.40" 3 days 1 98 days 14 days 31.0" 24 days 9 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
10/1/2016 0.73
10/2/2016 0.75
10/3/2016 0.04
10/4/2016
10/5/2016
10/6/2016 0.13
10/7/2016
10/8/2016
10/9/2016
10/10/2016
10/11/2016
10/12/2016
10/13/2016 0.42
10/14/2016
10/15/2016
10/16/2016 0.48
10/17/2016 0.03
10/18/2016 T
10/19/2016 T
10/20/2016 0.25
10/21/2016 0.80
10/22/2016 0.06
10/23/2016
10/24/2016
10/25/2016
10/26/2016
10/27/2016 0.96
10/28/2016 0.06
10/29/2016 0.03
10/30/2016 0.37
10/31/2016 0.16
11/1/2016 0.04
11/2/2016
11/3/2016 0.15
11/4/2016
11/5/2016
11/6/2016
11/7/2016
11/8/2016
11/9/2016 T
11/10/2016
11/11/2016
11/12/2016
11/13/2016
11/14/2016
11/15/2016
11/16/2016
11/17/2016
11/18/2016
11/19/2016 0.25
11/20/2016 0.05
11/21/2016
11/22/2016
11/23/2016 T
11/24/2016 0.50
11/25/2016 0.03
11/26/2016
11/27/2016
11/28/2016 0.02
11/29/2016 1.00
11/30/2016 0.02
12/1/2016 T
12/2/2016 0.02
12/3/2016
12/4/2016
12/5/2016 0.30
12/6/2016
12/7/2016
12/8/2016 T
12/9/2016 0.10
12/10/2016 0.04
12/11/2016 0.10
12/12/2016 0.50
12/13/2016
12/14/2016
12/15/2016 0.03
12/16/2016
12/17/2016 0.34
12/18/2016
12/19/2016
12/20/2016
12/21/2016
12/22/2016 T
12/23/2016
12/24/2016
12/25/2016 0.05
12/26/2016 0.05
12/27/2016 0.20
12/28/2016
12/29/2016 T
12/30/2016
12/31/2016
Day of YearDaily PrcpMultiday Prcp
1/1/2017
1/2/2017
1/3/2017 0.28
1/4/2017 0.03
1/5/2017 0.02
1/6/2017 0.03
1/7/2017 0.01
1/8/2017 0.02
1/9/2017
1/10/2017 0.30
1/11/2017 0.30
1/12/2017 0.70
1/13/2017 0.10
1/14/2017
1/15/2017
1/16/2017
1/17/2017 1.12
1/18/2017 0.05
1/19/2017
1/20/2017 0.11
1/21/2017 0.02
1/22/2017 T
1/23/2017 T
1/24/2017
1/25/2017 T
1/26/2017 0.02
1/27/2017 T
1/28/2017 0.02
1/29/2017 0.04
1/30/2017 0.05
1/31/2017 0.31
2/1/2017 0.10
2/2/2017
2/3/2017
2/4/2017
2/5/2017
2/6/2017 **
2/7/2017 **
2/8/2017 M 1.40
2/9/2017 0.02
2/10/2017
2/11/2017
2/12/2017 0.17
2/13/2017 0.03
2/14/2017
2/15/2017
2/16/2017 T
2/17/2017
2/18/2017
2/19/2017
2/20/2017
2/21/2017
2/22/2017 0.03
2/23/2017
2/24/2017 0.08
2/25/2017 0.10
2/26/2017 0.04
2/27/2017
2/28/2017 0.10
3/1/2017 1.24
3/2/2017 0.05
3/3/2017
3/4/2017
3/5/2017
3/6/2017
3/7/2017 0.04
3/8/2017
3/9/2017
3/10/2017
3/11/2017
3/12/2017
3/13/2017 0.10
3/14/2017 0.20
3/15/2017
3/16/2017
3/17/2017
3/18/2017 0.40
3/19/2017
3/20/2017 0.10
3/21/2017
3/22/2017
3/23/2017
3/24/2017 0.74
3/25/2017 0.05
3/26/2017
3/27/2017 0.24
3/28/2017 0.01
3/29/2017
3/30/2017 0.26
3/31/2017 1.25
Day of YearDaily PrcpMultiday Prcp
4/1/2017
4/2/2017
4/3/2017
4/4/2017 0.39
4/5/2017 0.02
4/6/2017 1.50
4/7/2017 0.19
4/8/2017
4/9/2017
4/10/2017
4/11/2017 0.40
4/12/2017 0.02
4/13/2017
4/14/2017
4/15/2017 0.01
4/16/2017
4/17/2017
4/18/2017
4/19/2017
4/20/2017 0.60
4/21/2017 0.91
4/22/2017
4/23/2017
4/24/2017
4/25/2017
4/26/2017
4/27/2017 0.10
4/28/2017 0.00
4/29/2017
4/30/2017 0.25
5/1/2017 0.70
5/2/2017 0.18
5/3/2017
5/4/2017 T
5/5/2017 0.80
5/6/2017 0.08
5/7/2017
5/8/2017
5/9/2017
5/10/2017
5/11/2017 0.19
5/12/2017
5/13/2017
5/14/2017
5/15/2017
5/16/2017 0.01
5/17/2017
5/18/2017
5/19/2017
5/20/2017
5/21/2017
5/22/2017
5/23/2017 M
5/24/2017 0.08
5/25/2017 0.60
5/26/2017 0.15
5/27/2017 0.03
5/28/2017
5/29/2017
5/30/2017
5/31/2017
6/1/2017
6/2/2017
6/3/2017
6/4/2017
6/5/2017
6/6/2017
6/7/2017
6/8/2017
6/9/2017
6/10/2017
6/11/2017
6/12/2017
6/13/2017
6/14/2017
6/15/2017 0.56
6/16/2017
6/17/2017
6/18/2017
6/19/2017
6/20/2017
6/21/2017
6/22/2017
6/23/2017
6/24/2017
6/25/2017
6/26/2017
6/27/2017
6/28/2017
6/29/2017
6/30/2017
Day of YearDaily PrcpMultiday Prcp
7/1/2017
7/2/2017
7/3/2017
7/4/2017
7/5/2017
7/6/2017
7/7/2017
7/8/2017
7/9/2017
7/10/2017
7/11/2017
7/12/2017
7/13/2017
7/14/2017
7/15/2017
7/16/2017
7/17/2017
7/18/2017
7/19/2017
7/20/2017
7/21/2017
7/22/2017
7/23/2017
7/24/2017
7/25/2017
7/26/2017
7/27/2017
7/28/2017
7/29/2017
7/30/2017
7/31/2017
8/1/2017
8/2/2017
8/3/2017
8/4/2017
8/5/2017
8/6/2017
8/7/2017
8/8/2017
8/9/2017
8/10/2017
8/11/2017
8/12/2017
8/13/2017
8/14/2017
8/15/2017
8/16/2017
8/17/2017
8/18/2017
8/19/2017
8/20/2017
8/21/2017
8/22/2017
8/23/2017
8/24/2017
8/25/2017
8/26/2017
8/27/2017
8/28/2017
8/29/2017
8/30/2017
8/31/2017
9/1/2017
9/2/2017
9/3/2017
9/4/2017
9/5/2017
9/6/2017
9/7/2017
9/8/2017
9/9/2017
9/10/2017
9/11/2017
9/12/2017
9/13/2017
9/14/2017
9/15/2017
9/16/2017
9/17/2017
9/18/2017
9/19/2017
9/20/2017
9/21/2017
9/22/2017
9/23/2017
9/24/2017
9/25/2017
9/26/2017
9/27/2017
9/28/2017
9/29/2017
9/30/2017



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2016 8:00 AM 0.73 M M M M sprinkels continue.
10/2/2016 8:00 AM 0.75 M M M M Just Foggy now. Looks like we may see the sun soon.
10/3/2016 8:00 AM 0.04 M M M M may just be collected fog.
10/6/2016 8:00 AM 0.13 M M M M
10/13/2016 8:00 AM 0.42 M M M M
10/16/2016 8:00 AM 0.48 M M M M
10/17/2016 8:00 AM 0.03 M M M M
10/18/2016 8:00 AM T M M M M
10/19/2016 8:00 AM T M M M M
10/20/2016 8:00 AM 0.25 M M M M
10/21/2016 8:00 AM 0.80 M M M M
10/22/2016 8:00 AM 0.06 M M M M
10/27/2016 6:35 AM 0.96 M M M M
10/28/2016 8:00 AM 0.06 M M M M
10/29/2016 8:00 AM 0.03 M M M M
10/30/2016 8:00 AM 0.37 M M M M
10/31/2016 8:00 AM 0.16 M M M M
11/1/2016 8:00 AM 0.04 M M M M
11/3/2016 8:00 AM 0.15 M M M M Cubs Win
11/9/2016 8:00 AM T M M M M cfp
11/19/2016 8:00 AM 0.25 M M M M
11/20/2016 8:00 AM 0.05 1.0 0.05 T M
11/23/2016 8:00 AM T T T M M A few snow grains
11/24/2016 8:00 AM 0.50 M M M M
11/25/2016 8:00 AM 0.03 M M M M
11/28/2016 8:00 AM 0.02 M M M M supposed to continue raining throughout the day but done for now.
11/29/2016 8:00 AM 1.00 M M M M
11/30/2016 8:00 AM 0.02 M M M M
12/1/2016 8:00 AM T M M M M
12/2/2016 8:00 AM 0.02 M M M M Lake Effect
12/5/2016 8:00 AM 0.30 2.0 0.30 M M
12/8/2016 8:00 AM T T M M M Some lake effect fluries
12/9/2016 8:00 AM 0.10 0.8 0.10 0.8 0.10
12/10/2016 8:00 AM 0.04 0.3 0.04 M M
12/11/2016 8:00 AM 0.10 3.5 0.10 3.5 M
12/12/2016 8:00 AM 0.50 3.0 0.50 M M I think it was above freezing over night so some snow may have melted before I looked at the guage
12/15/2016 8:00 AM 0.03 0.7 0.03 6.0 M
12/17/2016 8:00 AM 0.34 4.5 0.34 M M
12/22/2016 8:00 AM T M M M M
12/25/2016 8:00 AM 0.05 M M M M
12/26/2016 8:00 AM 0.05 M M M M
12/27/2016 8:00 AM 0.20 M M M M
12/29/2016 8:00 AM T M M M M
1/3/2017 8:00 AM 0.28 M M M M temp 37 F
1/4/2017 8:00 AM 0.03 M M M M Was liquid, Frozen now, Changed to snow just before 08:00
1/5/2017 8:00 AM 0.02 0.3 0.02 M M
1/6/2017 8:00 AM 0.03 1.0 0.03 M M
1/7/2017 8:00 AM 0.01 0.3 0.15 3.0 M
1/8/2017 8:00 AM 0.02 0.1 0.02 M M
1/10/2017 8:00 AM 0.30 3.0 0.30 M M
1/11/2017 8:00 AM 0.30 M M M M Frozen water
1/12/2017 8:00 AM 0.70 M M M M Front Porch is Icey
1/13/2017 8:00 AM 0.10 M M M M Froze solid
1/17/2017 8:00 AM 1.12 M M M M
1/18/2017 8:00 AM 0.05 M M M M
1/20/2017 8:00 AM 0.11 M M M M
1/21/2017 8:00 AM 0.02 M M M M Foggy
1/22/2017 8:00 AM T M M M M Foggy <1/8 Mile
1/23/2017 8:00 AM T M M M M from Fog collecting on colder surface I guess
1/25/2017 8:00 AM T M M M M
1/26/2017 8:00 AM 0.02 M M M M Warm enough to melt what was falling into catch tobe
1/27/2017 8:00 AM T T T 0.1 T
1/28/2017 8:00 AM 0.02 0.1 0.02 M M
1/29/2017 8:00 AM 0.04 0.7 0.04 1.0 M
1/30/2017 8:00 AM 0.05 0.6 0.05 M M
1/31/2017 8:00 AM 0.31 4.2 0.31 4.0 M
2/1/2017 8:00 AM 0.10 0.4 0.10 M M
2/8/2017 8:00 AM M M M M M I fotgot to check the guage yesterday. {EDIT: Observer reported 1.40 of new precip but indicated in the notes that this was for a time period of greater than 24 hours. This report should be entered into a multi-day report. Changed report of 1.40 to NA until observer can be contacted to verify. Submission Time Before EDIT: 2/08/2017 8:05 AM CoCoSTAFF DNT} OBSERVER CONTACTED and confirmed muti-day accumulation. Corrected to a Multi-Day Accumulation observation. SE MI Coordinator
2/9/2017 8:00 AM 0.02 0.3 0.02 M M
2/12/2017 8:00 AM 0.17 M M M M Getting Foggy now.
2/13/2017 8:00 AM 0.03 M M M M
2/16/2017 8:00 AM T T T M M Few gains of nnow in the bottom of the flask
2/22/2017 8:00 AM 0.03 M M M M
2/24/2017 8:00 AM 0.08 M M M M
2/25/2017 8:00 AM 0.10 M M M M
2/26/2017 8:00 AM 0.04 0.1 0.04 M M Daytime snow melted creating total of about .1 in wet snow and sluch mix
2/28/2017 8:00 AM 0.10 M M M M
3/1/2017 8:00 AM 1.24 M M M M
3/2/2017 8:00 AM 0.05 0.2 0.05 M M Ground is mostly covered
3/7/2017 8:00 AM 0.04 M M M M
3/13/2017 8:00 AM 0.10 0.7 0.10 M M
3/14/2017 8:00 AM 0.20 2.5 0.20 2.5 M
3/18/2017 8:00 AM 0.40 0.7 0.40 1.0 0.40
3/20/2017 8:00 AM 0.10 M M M M
3/24/2017 8:00 AM 0.74 M M M M
3/25/2017 8:00 AM 0.05 M M M M
3/27/2017 8:00 AM 0.24 M M M M
3/28/2017 8:00 AM 0.01 M M M M Just enough to make the dog/s back damp
3/30/2017 8:00 AM 0.26 M M M M
3/31/2017 8:00 AM 1.25 M M M M wet
4/4/2017 8:00 AM 0.39 M M M M
4/5/2017 8:00 AM 0.02 M M M M
4/6/2017 8:00 AM 1.50 M M M M All Water at this point - and it rained all night. Only see flooding if the ground is frozen. otherwise it just soaks into the sand.
4/7/2017 8:00 AM 0.19 M M M M there is an inch or two of snow on the back porch. But everything in the catch vessel was melted.Temp says 35
4/11/2017 8:00 AM 0.40 M M M M
4/12/2017 8:00 AM 0.02 M M M M
4/15/2017 8:00 AM 0.01 M M M M
4/20/2017 8:00 AM 0.60 M M M M Little Rain yesterday afternoon and some more this morning.
4/21/2017 8:00 AM 0.91 M M M M
4/27/2017 8:00 AM 0.10 M M M M
4/28/2017 8:10 AM 0.00 0.0 M M M
4/30/2017 8:00 AM 0.25 M M M M
5/1/2017 8:00 AM 0.70 M M M M Glad I have the high ground.
5/2/2017 10:00 AM 0.18 M M M M
5/4/2017 8:00 AM T M M M M
5/5/2017 11:00 PM 0.80 M M M M Forgot to check guage this morning.
5/6/2017 8:00 AM 0.08 M M M M
5/11/2017 8:00 AM 0.19 M M M M
5/16/2017 8:00 AM 0.01 M M M M
5/23/2017 3:00 PM M M M M M Since last report on vacation over weekend {EDIT: Observer reported 2.80 of new precip but indicated in the notes that this was a multi-day report instead of a 24 hour report. Changed report of 2.80 to NA until observer can be contacted to verify. Submission Time Before EDIT: 5/23/2017 4:42 PM CoCoSTAFF DNT}
5/24/2017 8:00 AM 0.08 M M M M Since 3 pm yesterday
5/25/2017 8:00 AM 0.60 M M M M
5/26/2017 8:00 AM 0.15 M M M M
5/27/2017 8:00 AM 0.03 M M M M
6/15/2017 8:00 AM 0.56 M M M M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
2/6/2017 2/08/2017 8:00 AM 3 1.40 M M I forgot to check the gauge yesterday. {EDIT: Observer reported 1.40 of new precip but indicated in the notes that this was for a time period of greater than 24 hours. This report should be entered into a multi-day report. Changed report of 1.40 to NA until observer can be contacted to verify. Submission Time Before EDIT: 2/08/2017 8:05 AM CoCoSTAFF DNT} Observer contacted and confirmed multi-day accumulation. SE MI Coordinator.



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