Station Overview Station Location
Station Number MI-WS-8 Latitude 42.294695
Station Name Ann Arbor 2.5 WNW Longitude -83.771297
County Washtenaw Elevation (ft) 966



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 09 2.82 2.13 10 2.13 10 0.00 0 0 9 0 0.0 0 0
Nov 09 2.98 0.76 31 0.55 27 0.21 4 1 6 3 0.0 0 0
Dec 09 2.65 0.73 7 0.73 7 0.00 0 0 2 0 0.0 0 0
Jan 10 2.36 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Feb 10 2.19 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
March 10 2.48 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
April 10 3.14 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
May 10 3.41 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
June 10 3.62 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
July 10 3.48 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Aug 10 3.38 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Sept 10 3.40 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Water Year Totals: 35.91" 3.62" 48 days 3.41" 44 0.21" 4 days 1 17 days 3 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
10/1/2009
10/2/2009
10/3/2009
10/4/2009
10/5/2009
10/6/2009
10/7/2009
10/8/2009
10/9/2009
10/10/2009
10/11/2009
10/12/2009
10/13/2009
10/14/2009
10/15/2009
10/16/2009
10/17/2009
10/18/2009
10/19/2009
10/20/2009
10/21/2009 0.28
10/22/2009 0.01
10/23/2009 0.26
10/24/2009 0.75
10/25/2009 0.05
10/26/2009 0.01
10/27/2009
10/28/2009 0.16
10/29/2009 0.00
10/30/2009 0.05
10/31/2009 0.56
11/1/2009 0.00
11/2/2009 0.00
11/3/2009 0.02
11/4/2009 0.00
11/5/2009 0.00
11/6/2009 0.00
11/7/2009 T
11/8/2009 0.00
11/9/2009 0.00
11/10/2009 0.05
11/11/2009 0.00
11/12/2009 0.00
11/13/2009 0.00
11/14/2009 0.00
11/15/2009 0.00
11/16/2009 0.00
11/17/2009 0.00
11/18/2009 0.00
11/19/2009 0.13
11/20/2009 0.01
11/21/2009 T
11/22/2009 0.00
11/23/2009 0.00
11/24/2009 T
11/25/2009 0.19 **
11/26/2009 **
11/27/2009 **
11/28/2009 0.21
11/29/2009 0.00
11/30/2009 0.15
12/1/2009 0.00
12/2/2009 0.00
12/3/2009 0.71
12/4/2009 0.02
12/5/2009 0.00
12/6/2009 0.00
12/7/2009 0.00
12/8/2009
12/9/2009
12/10/2009
12/11/2009
12/12/2009
12/13/2009
12/14/2009
12/15/2009
12/16/2009
12/17/2009
12/18/2009
12/19/2009
12/20/2009
12/21/2009
12/22/2009
12/23/2009
12/24/2009
12/25/2009
12/26/2009
12/27/2009
12/28/2009
12/29/2009
12/30/2009
12/31/2009
Day of YearDaily PrcpMultiday Prcp
1/1/2010
1/2/2010
1/3/2010
1/4/2010
1/5/2010
1/6/2010
1/7/2010
1/8/2010
1/9/2010
1/10/2010
1/11/2010
1/12/2010
1/13/2010
1/14/2010
1/15/2010
1/16/2010
1/17/2010
1/18/2010
1/19/2010
1/20/2010
1/21/2010
1/22/2010
1/23/2010
1/24/2010
1/25/2010
1/26/2010
1/27/2010
1/28/2010
1/29/2010
1/30/2010
1/31/2010
2/1/2010
2/2/2010
2/3/2010
2/4/2010
2/5/2010
2/6/2010
2/7/2010
2/8/2010
2/9/2010
2/10/2010
2/11/2010
2/12/2010
2/13/2010
2/14/2010
2/15/2010
2/16/2010
2/17/2010
2/18/2010
2/19/2010
2/20/2010
2/21/2010
2/22/2010
2/23/2010
2/24/2010
2/25/2010
2/26/2010
2/27/2010
2/28/2010
3/1/2010
3/2/2010
3/3/2010
3/4/2010
3/5/2010
3/6/2010
3/7/2010
3/8/2010
3/9/2010
3/10/2010
3/11/2010
3/12/2010
3/13/2010
3/14/2010
3/15/2010
3/16/2010
3/17/2010
3/18/2010
3/19/2010
3/20/2010
3/21/2010
3/22/2010
3/23/2010
3/24/2010
3/25/2010
3/26/2010
3/27/2010
3/28/2010
3/29/2010
3/30/2010
3/31/2010
Day of YearDaily PrcpMultiday Prcp
4/1/2010
4/2/2010
4/3/2010
4/4/2010
4/5/2010
4/6/2010
4/7/2010
4/8/2010
4/9/2010
4/10/2010
4/11/2010
4/12/2010
4/13/2010
4/14/2010
4/15/2010
4/16/2010
4/17/2010
4/18/2010
4/19/2010
4/20/2010
4/21/2010
4/22/2010
4/23/2010
4/24/2010
4/25/2010
4/26/2010
4/27/2010
4/28/2010
4/29/2010
4/30/2010
5/1/2010
5/2/2010
5/3/2010
5/4/2010
5/5/2010
5/6/2010
5/7/2010
5/8/2010
5/9/2010
5/10/2010
5/11/2010
5/12/2010
5/13/2010
5/14/2010
5/15/2010
5/16/2010
5/17/2010
5/18/2010
5/19/2010
5/20/2010
5/21/2010
5/22/2010
5/23/2010
5/24/2010
5/25/2010
5/26/2010
5/27/2010
5/28/2010
5/29/2010
5/30/2010
5/31/2010
6/1/2010
6/2/2010
6/3/2010
6/4/2010
6/5/2010
6/6/2010
6/7/2010
6/8/2010
6/9/2010
6/10/2010
6/11/2010
6/12/2010
6/13/2010
6/14/2010
6/15/2010
6/16/2010
6/17/2010
6/18/2010
6/19/2010
6/20/2010
6/21/2010
6/22/2010
6/23/2010
6/24/2010
6/25/2010
6/26/2010
6/27/2010
6/28/2010
6/29/2010
6/30/2010
Day of YearDaily PrcpMultiday Prcp
7/1/2010
7/2/2010
7/3/2010
7/4/2010
7/5/2010
7/6/2010
7/7/2010
7/8/2010
7/9/2010
7/10/2010
7/11/2010
7/12/2010
7/13/2010
7/14/2010
7/15/2010
7/16/2010
7/17/2010
7/18/2010
7/19/2010
7/20/2010
7/21/2010
7/22/2010
7/23/2010
7/24/2010
7/25/2010
7/26/2010
7/27/2010
7/28/2010
7/29/2010
7/30/2010
7/31/2010
8/1/2010
8/2/2010
8/3/2010
8/4/2010
8/5/2010
8/6/2010
8/7/2010
8/8/2010
8/9/2010
8/10/2010
8/11/2010
8/12/2010
8/13/2010
8/14/2010
8/15/2010
8/16/2010
8/17/2010
8/18/2010
8/19/2010
8/20/2010
8/21/2010
8/22/2010
8/23/2010
8/24/2010
8/25/2010
8/26/2010
8/27/2010
8/28/2010
8/29/2010
8/30/2010
8/31/2010
9/1/2010
9/2/2010
9/3/2010
9/4/2010
9/5/2010
9/6/2010
9/7/2010
9/8/2010
9/9/2010
9/10/2010
9/11/2010
9/12/2010
9/13/2010
9/14/2010
9/15/2010
9/16/2010
9/17/2010
9/18/2010
9/19/2010
9/20/2010
9/21/2010
9/22/2010
9/23/2010
9/24/2010
9/25/2010
9/26/2010
9/27/2010
9/28/2010
9/29/2010
9/30/2010



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/21/2009 8:30 AM 0.28 M M M M
10/22/2009 8:00 AM 0.01 M M M M
10/23/2009 7:00 AM 0.26 M M M M Drizzle continues.
10/24/2009 7:00 AM 0.75 M M M M
10/25/2009 7:00 AM 0.05 M M M M
10/26/2009 7:00 AM 0.01 M M M M This precipitation was from 7 to 7:30 AM Sunday.
10/28/2009 7:00 AM 0.16 M M M M Precipitation began as light mist 7:35 pm 10/27.
10/29/2009 7:40 AM 0.00 0.0 M M M fog, heavy dew
10/30/2009 7:00 AM 0.05 M M M M
10/31/2009 8:00 AM 0.56 M M M M
11/1/2009 7:30 AM 0.00 0.0 M M M
11/2/2009 7:00 AM 0.00 0.0 M M M
11/3/2009 7:00 AM 0.02 M M M M This precipitation fell in late afternoon and early evening 10/2/09. Its accumulation in the funnel of the gauge was in the form of droplets that mostly did not coalesce to collect, but subsequently evaporated. Perhaps this mirrors the net accumulation on the ground.
11/4/2009 7:00 AM 0.00 0.0 M M M
11/5/2009 7:00 AM 0.00 0.0 M M M
11/6/2009 7:00 AM 0.00 0.0 M M M Frost on collector
11/7/2009 7:30 AM T M M M M T = 45
11/8/2009 7:00 AM 0.00 0.0 M M M T = 46 F Heavy dew
11/9/2009 8:00 AM 0.00 0.0 M M M T = 53 F
11/10/2009 7:00 AM 0.05 M M M M T = 50 F
11/11/2009 7:00 AM 0.00 0.0 M M M T = 40 F
11/12/2009 8:00 AM 0.00 0.0 M M M Fog,heavy dew T=38F at 8:00A
11/13/2009 7:00 AM 0.00 0.0 M M M Heavy dew, clear sky, T = 42 F
11/14/2009 7:45 AM 0.00 0.0 M M M Heavy dew
11/15/2009 7:30 AM 0.00 0.0 M M M T = 57F at 7:30
11/16/2009 8:00 AM 0.00 0.0 M M M
11/17/2009 6:30 AM 0.00 0.0 M M M T = 39F at 6:30 AM
11/18/2009 6:30 AM 0.00 0.0 M M M T = 46 F at 6:30 AM
11/19/2009 7:00 AM 0.13 M M M M T = 52F at 7:00
11/20/2009 7:00 AM 0.01 M M M M T = 46F at7 AM
11/21/2009 8:00 AM T M M M M T = 49F at 8:00
11/22/2009 8:00 AM 0.00 0.0 M M M T = 41F at 8:00 AM Fog, heavy dew
11/23/2009 7:00 AM 0.00 0.0 M M M T= 46F at 7 AM Dew on gauge
11/24/2009 7:40 AM T M M M M T=48 F at 7:40; heavy dew
11/25/2009 8:00 AM 0.19 M M M M T = 51F with light mist falling at 8:00 AM
11/29/2009 8:40 AM 0.00 0.0 M M M
11/30/2009 8:20 AM 0.15 M M M M T = 34F at 8:20A
12/1/2009 7:00 AM 0.00 0.0 M M M T= 36F at 7:00AM
12/2/2009 8:30 AM 0.00 0.0 M M M
12/3/2009 7:00 AM 0.71 M M M M 40F at 7:00 AM
12/4/2009 7:00 AM 0.02 M M M M Gauge reading from snowmelt. T= 28F at 7:00 AM.
12/5/2009 8:00 AM 0.00 0.0 M M M
12/6/2009 7:00 AM 0.00 0.0 M M M T = 26F at 7:00AM
12/7/2009 7:00 AM 0.00 0.0 M M M T = 31F at 7 AM



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
11/25/2009 11/28/2009 7:00 AM 4 0.21 M M T = 34F at 7:00 11/28 water frozen at top of tube



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