Station Overview Station Location
Station Number MI-WS-6 Latitude 42.293461
Station Name Ann Arbor 2.4 WNW Longitude -83.769877
County Washtenaw Elevation (ft) 978



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 10 2.82 0.85 30 0.84 25 0.01 5 1 8 1 0.0 0 0
Nov 10 2.99 3.59 30 3.59 27 0.00 3 1 11 2 0.0 0 0
Dec 10 2.66 1.00 31 0.42 22 0.58 9 1 6 9 4.8 4 20
Jan 11 2.37 1.40 31 1.32 26 0.08 5 2 12 5 11.6 10 24
Feb 11 2.20 3.60 27 2.83 23 0.77 4 1 9 1 19.5 9 21
March 11 2.49 3.54 28 1.80 21 1.74 7 1 6 0 5.5 2 10
April 11 3.14 6.14 30 4.71 23 1.43 7 1 16 1 0.2 1 1
May 11 3.41 7.59 30 2.93 18 4.66 12 2 15 1 0.0 0 0
June 11 3.62 1.06 30 1.06 28 0.00 2 1 8 4 0.0 0 0
July 11 3.48 7.54 31 0.28 20 7.26 11 2 5 1 0.0 0 0
Aug 11 3.37 4.94 35 1.04 21 3.90 14 3 7 0 0.0 0 0
Sept 11 3.40 5.08 31 2.13 14 2.95 17 2 11 0 0.0 0 0
Water Year Totals: 35.95" 46.33" 364 days 22.95" 268 23.38" 96 days 18 114 days 25 days 41.6" 26 days 76 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
10/1/2010 0.00
10/2/2010 0.10
10/3/2010 0.05
10/4/2010 0.00
10/5/2010 0.00
10/6/2010 0.00
10/7/2010 0.00
10/8/2010 0.00
10/9/2010 0.00
10/10/2010 0.00
10/11/2010 0.00
10/12/2010 0.00
10/13/2010 0.00
10/14/2010 0.34
10/15/2010 **
10/16/2010 **
10/17/2010 **
10/18/2010 **
10/19/2010 0.01
10/20/2010 0.00
10/21/2010 0.18
10/22/2010 0.00
10/23/2010 0.00
10/24/2010 0.01
10/25/2010 0.00
10/26/2010 T
10/27/2010 0.13
10/28/2010 0.01
10/29/2010 0.02
10/30/2010
10/31/2010 0.00
11/1/2010 0.00
11/2/2010 0.00
11/3/2010 0.00
11/4/2010 0.03
11/5/2010 0.01
11/6/2010 **
11/7/2010 **
11/8/2010 0.00
11/9/2010 0.00
11/10/2010 0.00
11/11/2010 0.00
11/12/2010 0.00
11/13/2010 0.00
11/14/2010 0.05
11/15/2010 0.01
11/16/2010 T
11/17/2010 0.67
11/18/2010 0.02
11/19/2010 0.00
11/20/2010 0.00
11/21/2010 0.00
11/22/2010 0.14
11/23/2010 1.43
11/24/2010 0.00
11/25/2010 0.29
11/26/2010 0.39
11/27/2010 T
11/28/2010 0.00
11/29/2010 0.00
11/30/2010 0.55
12/1/2010 0.05
12/2/2010 0.01
12/3/2010 T
12/4/2010 **
12/5/2010 **
12/6/2010 **
12/7/2010 **
12/8/2010 **
12/9/2010 **
12/10/2010 **
12/11/2010 **
12/12/2010 0.58
12/13/2010 0.31
12/14/2010 0.00
12/15/2010 0.00
12/16/2010 0.00
12/17/2010 0.00
12/18/2010 T
12/19/2010 T
12/20/2010 T
12/21/2010 0.00
12/22/2010 0.02
12/23/2010 T
12/24/2010 T
12/25/2010 T
12/26/2010 0.02
12/27/2010 T
12/28/2010 0.00
12/29/2010 0.00
12/30/2010 0.01
12/31/2010 T
Day of YearDaily PrcpMultiday Prcp
1/1/2011 0.49
1/2/2011 0.00
1/3/2011 **
1/4/2011 **
1/5/2011 0.03
1/6/2011 0.03
1/7/2011 0.02
1/8/2011 0.06
1/9/2011 0.00
1/10/2011 0.00
1/11/2011 0.00
1/12/2011 0.34
1/13/2011 0.00
1/14/2011 0.02
1/15/2011 **
1/16/2011 0.05
1/17/2011 0.00
1/18/2011 0.03
1/19/2011 0.06
1/20/2011 T
1/21/2011 0.03
1/22/2011 0.00
1/23/2011 T
1/24/2011 T
1/25/2011 0.04
1/26/2011 0.00
1/27/2011 T
1/28/2011 0.09
1/29/2011 0.11
1/30/2011 T
1/31/2011 0.00
2/1/2011 0.07
2/2/2011 0.72
2/3/2011 0.02
2/4/2011 0.00
2/5/2011 0.00
2/6/2011 0.40
2/7/2011 0.03
2/8/2011 0.00
2/9/2011 0.00
2/10/2011 0.00
2/11/2011 0.00
2/12/2011 0.01
2/13/2011 T
2/14/2011 0.00
2/15/2011 0.00
2/16/2011 0.00
2/17/2011 0.00
2/18/2011 0.00
2/19/2011 0.00
2/20/2011
2/21/2011 1.41
2/22/2011 0.05
2/23/2011 0.00
2/24/2011 0.12
2/25/2011 **
2/26/2011 **
2/27/2011 **
2/28/2011 0.77
3/1/2011 0.00
3/2/2011
3/3/2011 0.00
3/4/2011 0.00
3/5/2011 0.50
3/6/2011 0.56
3/7/2011 0.00
3/8/2011 0.00
3/9/2011 0.10
3/10/2011 0.38
3/11/2011 0.10
3/12/2011
3/13/2011
3/14/2011 0.00
3/15/2011 0.00
3/16/2011 0.16
3/17/2011 0.00
3/18/2011 **
3/19/2011 **
3/20/2011 **
3/21/2011 **
3/22/2011 **
3/23/2011 **
3/24/2011 1.74
3/25/2011 0.00
3/26/2011 0.00
3/27/2011 0.00
3/28/2011 0.00
3/29/2011 0.00
3/30/2011 0.00
3/31/2011 0.00
Day of YearDaily PrcpMultiday Prcp
4/1/2011 0.00
4/2/2011 0.00
4/3/2011 0.01
4/4/2011 0.15
4/5/2011 0.00
4/6/2011 0.04
4/7/2011 0.72
4/8/2011 0.16
4/9/2011 0.36
4/10/2011 0.01
4/11/2011 0.25
4/12/2011 0.01
4/13/2011 0.00
4/14/2011 0.00
4/15/2011 T
4/16/2011 0.11
4/17/2011 0.14
4/18/2011 0.07
4/19/2011 0.27
4/20/2011 0.44
4/21/2011 **
4/22/2011 **
4/23/2011 **
4/24/2011 **
4/25/2011 **
4/26/2011 **
4/27/2011 1.43
4/28/2011 1.93
4/29/2011 0.04
4/30/2011 0.00
5/1/2011 0.04
5/2/2011 0.02
5/3/2011 0.01
5/4/2011 T
5/5/2011
5/6/2011 0.03
5/7/2011 0.11
5/8/2011 **
5/9/2011 **
5/10/2011 **
5/11/2011 **
5/12/2011 **
5/13/2011 **
5/14/2011 **
5/15/2011 **
5/16/2011 **
5/17/2011 1.56
5/18/2011 0.23
5/19/2011 0.21
5/20/2011 0.31
5/21/2011 0.00
5/22/2011 0.10
5/23/2011 0.19
5/24/2011 0.86
5/25/2011 **
5/26/2011 3.10
5/27/2011 0.41
5/28/2011 0.01
5/29/2011 0.29
5/30/2011 0.11
5/31/2011 0.00
6/1/2011 T
6/2/2011 0.00
6/3/2011 0.00
6/4/2011 **
6/5/2011 0.00
6/6/2011 0.00
6/7/2011 0.00
6/8/2011 0.00
6/9/2011 T
6/10/2011 T
6/11/2011 0.40
6/12/2011 0.01
6/13/2011 0.00
6/14/2011 0.00
6/15/2011 0.00
6/16/2011 0.10
6/17/2011 0.04
6/18/2011 0.00
6/19/2011 0.00
6/20/2011 0.00
6/21/2011 T
6/22/2011 0.08
6/23/2011 0.26
6/24/2011 0.13
6/25/2011 0.04
6/26/2011 0.00
6/27/2011 0.00
6/28/2011 0.00
6/29/2011 0.00
6/30/2011 0.00
Day of YearDaily PrcpMultiday Prcp
7/1/2011 0.00
7/2/2011 0.00
7/3/2011 0.13
7/4/2011 0.01
7/5/2011 0.00
7/6/2011 0.00
7/7/2011 0.00
7/8/2011 **
7/9/2011 **
7/10/2011 **
7/11/2011 **
7/12/2011 0.36
7/13/2011 0.01
7/14/2011 0.00
7/15/2011 0.00
7/16/2011 0.00
7/17/2011 0.00
7/18/2011 T
7/19/2011 0.01
7/20/2011 0.00
7/21/2011 0.00
7/22/2011 0.00
7/23/2011 0.12
7/24/2011 **
7/25/2011 **
7/26/2011 **
7/27/2011 **
7/28/2011 **
7/29/2011 6.90
7/30/2011 0.00
7/31/2011 0.00
8/1/2011 0.00
8/2/2011 0.00
8/3/2011 0.43
8/4/2011 0.04
8/5/2011 **
8/6/2011 **
8/7/2011 **
8/8/2011 **
8/9/2011 2.98
8/10/2011 0.01
8/11/2011 0.00
8/12/2011 0.00
8/13/2011 0.00 **
8/14/2011 **
8/15/2011 0.20
8/16/2011 0.00
8/17/2011 0.00
8/18/2011 0.14
8/19/2011 0.01
8/20/2011 0.00
8/21/2011 0.38
8/22/2011 0.03
8/23/2011 0.00
8/24/2011 **
8/25/2011 0.72
8/26/2011 0.00
8/27/2011 0.00
8/28/2011 0.00 **
8/29/2011 0.00 **
8/30/2011 0.00 **
8/31/2011 **
9/1/2011 **
9/2/2011 **
9/3/2011 **
9/4/2011 **
9/5/2011 **
9/6/2011 **
9/7/2011 **
9/8/2011 **
9/9/2011 **
9/10/2011 **
9/11/2011 **
9/12/2011 **
9/13/2011 2.94
9/14/2011 0.00
9/15/2011 0.23
9/16/2011 0.00
9/17/2011 0.01
9/18/2011 0.00
9/19/2011 0.04
9/20/2011 0.32
9/21/2011 **
9/22/2011 0.01
9/23/2011 0.22
9/24/2011 0.02
9/25/2011 0.01
9/26/2011 0.51
9/27/2011 0.42
9/28/2011 0.20
9/29/2011 0.15 **
9/30/2011 **



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2010 7:00 AM 0.00 0.0 M 0.0 M Clear, 43F, beautiful fall morning.
10/2/2010 11:00 AM 0.10 0.0 M 0.0 M
10/3/2010 7:00 AM 0.05 0.0 M 0.0 M 39F, clear this morning. First temp reading under 40 this Fall season.
10/4/2010 7:00 AM 0.00 0.0 M 0.0 M
10/5/2010 7:00 AM 0.00 0.0 M 0.0 M
10/6/2010 7:00 AM 0.00 0.0 M 0.0 M
10/7/2010 7:00 AM 0.00 0.0 M 0.0 M
10/8/2010 7:00 AM 0.00 0.0 M 0.0 M
10/9/2010 7:00 AM 0.00 0.0 M 0.0 M
10/10/2010 7:00 AM 0.00 0.0 M 0.0 M
10/11/2010 7:00 AM 0.00 0.0 M 0.0 M Absolutely glorious weekend for weather. 82F yesterday afternoon, clear skys. Wow!
10/12/2010 7:00 AM 0.00 0.0 M 0.0 M
10/13/2010 7:00 AM 0.00 0.0 M 0.0 M
10/14/2010 7:00 AM 0.34 0.0 M 0.0 M 42f and completely clear this morning. Rain began mid afternoon yesterdeay, off and on till just a few hours ago.
10/20/2010 7:00 AM 0.00 0.0 M 0.0 M
10/21/2010 7:00 AM 0.18 0.0 M 0.0 M Clear, 36F, rain has moved off to the east.
10/22/2010 7:00 AM 0.00 0.0 M 0.0 M Clear, 32F, beautiful moon.
10/23/2010 7:00 AM 0.00 0.0 M 0.0 M
10/24/2010 7:00 AM 0.01 0.0 M 0.0 M
10/25/2010 7:00 AM 0.00 0.0 M 0.0 M Warm, 61F, partly cloudy and breezy at 7AM.
10/26/2010 7:00 AM T 0.0 M 0.0 M
10/27/2010 6:30 AM 0.13 0.0 M 0.0 M Windy, clear, 49F. Rain noon time yesterday.
10/28/2010 7:00 AM 0.01 0.0 M 0.0 M Very windy early morning hours, still windy this morning walking the dog, cloudy, 44F.
10/29/2010 7:00 AM 0.02 0.0 M 0.0 M Still breezy, overcast, 41F at 7 am.
10/31/2010 7:00 AM 0.00 0.0 M 0.0 M
11/1/2010 7:00 AM 0.00 0.0 M 0.0 M Coldest morning of the season, 26F, clear, calm.
11/2/2010 7:00 AM 0.00 0.0 M 0.0 M
11/3/2010 7:00 AM 0.00 0.0 M 0.0 M
11/4/2010 7:00 AM 0.03 0.0 M 0.0 M
11/5/2010 7:00 AM 0.01 0.0 M 0.0 M
11/9/2010 7:00 AM 0.00 0.0 M 0.0 M Foggy, clear, 35F.
11/10/2010 7:00 AM 0.00 0.0 M 0.0 M Foggy, warmer 45F, need rain.
11/11/2010 7:00 AM 0.00 0.0 M 0.0 M Foggy mornings continue, 44F.
11/12/2010 7:00 AM 0.00 0.0 M 0.0 M
11/13/2010 7:00 AM 0.00 0.0 M 0.0 M Partly cloudy, breeze from the east, no fog, 36F.
11/14/2010 7:00 AM 0.05 0.0 M 0.0 M Cloudy, breezy, 39F, last evening first rain in 9 days.
11/15/2010 7:00 AM 0.01 0.0 M 0.0 M Overcast, breezy 35F, little rain during the night.
11/16/2010 7:00 AM T 0.0 M 0.0 M
11/17/2010 7:00 AM 0.67 0.0 M 0.0 M
11/18/2010 7:00 AM 0.02 0.0 M 0.0 M 35F at 6 AM, dropped to 33F at 7:30 AM. Clearing, light breeze from north east.
11/19/2010 7:00 AM 0.00 0.0 M 0.0 M Rain drops on the windshield yesterday but the rain gauge is dry this morning.
11/20/2010 7:00 AM 0.00 0.0 M 0.0 M
11/21/2010 7:00 AM 0.00 0.0 M 0.0 M
11/22/2010 7:00 AM 0.14 0.0 M 0.0 M Rain began a couple hours ago. Warm 55F, quite breezy from the west, southwest.
11/23/2010 7:00 AM 1.43 0.0 M 0.0 M
11/24/2010 7:00 AM 0.00 0.0 M 0.0 M 22F at 7 AM almost 40 degrees cooler than Monday night. Mostly clear, some hazy clouds.
11/25/2010 9:00 AM 0.29 0.0 M 0.0 M Drizzle,foggy,39F,breeze picking up from the west.
11/26/2010 7:30 AM 0.39 0.0 M 0.0 M Cold, 24F, windy, partly cloudy. Got caught last night left the rain gauge intact and it is frozen this morning. Luckily did not break.
11/27/2010 7:00 AM T 0.0 M 0.0 M Friday morning first snow flakes of the season, just enough for a Trace reading.
11/28/2010 7:00 AM 0.00 0.0 M 0.0 M Clear, cold, 21F at 7 AM.
11/29/2010 7:00 AM 0.00 0.0 M 0.0 M Clear, 26F, breeze from the south. Beautiful sunny day yesterday.
11/30/2010 7:00 AM 0.55 0.0 M 0.0 M Rain has stopped, windy, warm, 49F at 7 AM.
12/1/2010 7:00 AM 0.05 T M 0.0 M Took a few minutes to melt the rain that froze in the rain gauge. First real snow shower of the season this morning.
12/2/2010 7:00 AM 0.01 0.1 M 0.1 M
12/3/2010 7:00 AM T T M T M Cold, 25F for third straight morning. Difficult to measure dusting of snow.
12/13/2010 7:00 AM 0.31 4.0 M 6.0 M Windy, 10F, snow has stopped at 7 AM.
12/14/2010 7:00 AM 0.00 0.0 M 5.0 M Partly cloudy, 8F, still windy at 7 AM.
12/15/2010 7:00 AM 0.00 0.0 M 4.0 M
12/16/2010 7:00 AM 0.00 0.0 M 4.0 M Clear, 6F but no wind.
12/17/2010 7:00 AM 0.00 0.0 M 4.0 M Clear, 21F at 6 Am, dropped to 19F at 7:30. Cold temps all week so that snow level has remained the same.
12/18/2010 6:30 AM T T M 4.0 M Cloudy, 11F, wind picking up from the south.
12/19/2010 7:00 AM T T M 3.5 M Steady 18F last 12 hours. Solid cloud deck, no wind at 7 AM.
12/20/2010 7:00 AM T T M 3.5 M 21F, cloudy, fluries yesterday. Same old same old last 4 days.
12/21/2010 7:00 AM 0.00 0.0 M 3.0 M No show on the snow, but solid cloud cover knocked out any glimpse of the eclipse last night. 22F, wind calm.
12/22/2010 8:30 AM 0.02 0.5 M 3.5 M
12/23/2010 8:30 AM T T M 3.5 M Snow stopped yesterday at 9 AM, beautiful sunny winter day yesterday. Warmer, 29F, some cloud and wind from the north this morning
12/24/2010 8:30 AM T T M 3.0 M
12/25/2010 10:00 AM T T M 3.0 M
12/26/2010 8:30 AM 0.02 0.2 M 3.0 M Cloudy, 25F, strong wind from the north. Flurries off and on all day yesterday.
12/27/2010 7:00 AM T T M 3.0 M Cloudy, winds from the north, 18F. Few flurries yesterday morning.
12/28/2010 7:00 AM 0.00 0.0 M 3.0 M Clear, 13F, breeze from the west. Beautiful sunny day yesterday.
12/29/2010 7:00 AM 0.00 0.0 M 2.0 M fogy, 20 F, no wind at 7 AM.
12/30/2010 7:00 AM 0.01 0.0 M 2.0 M Misty, cloudy, 33F. Coat of ice on any cleared surface like sidewalks. Treacherous walking the dog this morning.
12/31/2010 7:00 AM T 0.0 M 0.5 M
1/1/2011 8:30 AM 0.49 0.0 M 0.0 M Overcast, 50F, all the snow is gone. 40 degree increase over the last few weeks. Rain paused at time of reading.
1/2/2011 7:00 AM 0.00 0.0 M 0.0 M Wild temp ride, 50F yesterday morning, 18F this morning. Some sun yesterday. Cloudy, breezy now.
1/6/2011 7:30 AM 0.03 1.0 M 1.0 M Light snow shower, very fluffy snow over night, 18F, overcast.
1/7/2011 7:30 AM 0.02 1.0 M 2.0 M Snow so light and fluffy difficult to measure (but easy to shovel!). 18F overcast, no wind.
1/8/2011 7:00 AM 0.06 1.0 M 2.5 M Cold 6F, partly cloudy, wind calm. Very fluffy snow.
1/9/2011 8:00 AM 0.00 0.0 M 2.5 M Beautiful sunny day yestereday. Starting today the same way, 6.3F, clear at 8 AM.
1/10/2011 7:00 AM 0.00 0.0 M 2.0 M
1/11/2011 7:00 AM 0.00 0.0 M 2.0 M Overcast, breezy, 20F. Snow predicted this afternoon.
1/12/2011 7:00 AM 0.34 3.5 M 5.0 M
1/13/2011 7:00 AM 0.00 0.0 M 4.0 M Last night at 11PM was 9F, warmed to 13F at 6AM. Flurries yesterday. Mostly overcast this morning, no wind.
1/14/2011 8:00 AM 0.02 0.5 M 5.0 M
1/17/2011 7:00 AM 0.00 0.0 M 5.0 M Warmer this morning (if you can call 11F warm). Clear, breeze from the east.
1/18/2011 7:00 AM 0.03 0.0 M 4.0 M What a mess. Thin sheet of ice on any cleared surface. 33F, drizzle, no breeze at 7 AM.
1/19/2011 8:30 AM 0.06 0.0 M 3.0 M
1/20/2011 7:00 AM T 0.1 M 3.0 M Light fluries, 17F, no wind at 6 AM.
1/21/2011 7:30 AM 0.03 0.5 M 3.5 M Clear, 7F at 6 AM dropped to 5F by 7:30 AM. West wind.
1/22/2011 7:00 AM 0.00 0.0 M 3.0 M Warmed up to 8F this morning from 1F at 11 PM. Overcast, wind from the west.
1/23/2011 8:00 AM T T M 3.0 M Clear, -3F, no wind. Yesterday flurries off and on but virtually no accumulation.
1/24/2011 7:00 AM T T M 3.0 M Beautiful day yesterday, cold but sunny. Snow flurries started around 6 AM. 10F, overcast, west breeze.
1/25/2011 7:00 AM 0.04 1.2 M 4.0 M
1/26/2011 7:00 AM 0.00 0.0 M 4.0 M
1/27/2011 7:00 AM T T M 3.5 M
1/28/2011 7:30 AM 0.09 1.5 M 5.0 M Light flurries, 23 F.
1/29/2011 11:30 AM 0.11 1.3 M 6.0 M
1/30/2011 10:30 AM T T M 5.0 M
1/31/2011 7:00 AM 0.00 0.0 M 5.0 M Beautiful sunshine yesterday. This morning 7F partially clear, breeze from the north.
2/1/2011 7:30 AM 0.07 1.0 M 6.0 M Overcast, 14F, breezy.
2/2/2011 8:00 AM 0.72 4.0 M 8.0 M Difficult to measure depth, between 6" and 12" with all the wind last night. Lite snow, 19F, lite breeze at 8AM.
2/3/2011 7:00 AM 0.02 0.8 M 8.0 M
2/4/2011 8:00 AM 0.00 0.0 M 8.0 M Beautiful sunshine yesterday, hopefully the same today. Clear, 0F at 8AM down from 3F at 6:15AM, wind calm.
2/5/2011 7:00 AM 0.00 0.0 M 8.0 M Clear, 10F, calm. Yesterday was second sunny day in a row, celebrated with a car wash, first one in weeks!
2/6/2011 12:00 PM 0.40 3.2 M 11.0 M
2/7/2011 7:00 AM 0.03 0.3 M 11.0 M Overcast, snow flakes, 29F, warmest morning in quite a while.
2/8/2011 7:30 AM 0.00 0.0 M 11.0 M Cleared off last night temp dropped 26 degrees from 29F at 8PM to 3F at 7:30AM. Snow depth holding steady.
2/9/2011 7:00 AM 0.00 0.0 M 11.0 M
2/10/2011 7:00 AM 0.00 0.0 M 11.0 M Clear, -3F, breeze from the west. Snow depth holding without any new snow in 3 days.
2/11/2011 7:00 AM 0.00 0.0 M 11.0 M Cloudy, 0F, breeze from the south. Just a few lazy snow flakes in the air, but nothing to report.
2/12/2011 7:00 AM 0.01 0.2 M 10.5 M Warmer 28F, partly cloudy, brisk wind from the west, light coating of snow overnight.
2/13/2011 10:00 AM T T M 10.0 M
2/14/2011 7:00 AM 0.00 0.0 M 7.5 M Cloudy, windy, 38F this morning. First significant snow depth loss this winter.
2/15/2011 7:00 AM 0.00 0.0 M 6.0 M Clear, 12F, calm wind. Snow depth measurements all over the place.
2/16/2011 8:00 AM 0.00 0.0 M 5.0 M
2/17/2011 7:00 AM 0.00 0.0 M 3.5 M It looked like some light precip on the driveway overnight but nothing in the rain guage. Patches of grass showing under trees. Cloudy, 42F, south wind.
2/18/2011 7:00 AM 0.00 0.0 M T M Full moon setting, red sky sunrise, quite a show! Clearing, 42F, wind from the west. Not sure how to measure depth of snow, mostly grass but some piles of snow in shade.
2/19/2011 7:00 AM 0.00 0.0 M T M
2/21/2011 7:00 AM 1.41 8.0 M 8.0 M Heaviest wet snow of the season. Overcast, 27F, windy at 7 AM.
2/22/2011 7:00 AM 0.05 1.0 M 8.0 M
2/23/2011 8:00 AM 0.00 0.0 M 7.5 M
2/24/2011 7:30 AM 0.12 1.0 M 7.5 M
3/1/2011 7:00 AM 0.00 0.0 M 4.0 M Clearing, 14 F, wind calm. Snow very crusty.
3/3/2011 7:30 AM 0.00 0.0 M 3.0 M Clear, calm, 15F. Snow very crusty, easily holds my weight. Some bare spots under trees but still widespread snow pack.
3/4/2011 7:00 AM 0.00 0.0 M 3.0 M
3/5/2011 7:00 AM 0.50 0.0 M 1.0 M Heavy overcast, drizzle, 44F. Half snow pack is gone from the yard.
3/6/2011 7:00 AM 0.56 4.0 M 4.0 M 22 degrees colder at 7 AM this morning that at 7 AM yesterday morning. Snow on ground had almost disappeared by mid afternoon, then new snow added 4 inches by this morning.
3/7/2011 7:00 AM 0.00 0.0 M 2.0 M Is this the last single digit morning of the winter season? Great to see the sunshine before 7 AM. About two thirds yeard still has snow pack.
3/8/2011 7:00 AM 0.00 0.0 M 1.0 M Partly cloudy, 22F, breeze from east. About 1/2 snow pack remains in back yard.
3/9/2011 9:30 AM 0.10 0.0 M 0.5 M
3/10/2011 7:00 AM 0.38 0.0 M 0.5 M Snow almost gone in backyard, but front about 75% covered. Difficult to give snow depth value. Fog lifting, 41F, good breeze from the west.
3/11/2011 6:30 AM 0.10 1.5 M 1.5 M
3/14/2011 7:00 AM 0.00 0.0 M 0.0 M Dark, clear, 24F at 6:15 AM. Snow gone in backyard where I measure, still piles in the front under shade.
3/15/2011 7:00 AM 0.00 0.0 M 0.0 M Partly cloudy, 25F, east breeze at 7 AM.
3/16/2011 8:30 AM 0.16 0.0 M 0.0 M
3/17/2011 6:00 AM 0.00 0.0 M 0.0 M
3/25/2011 7:00 AM 0.00 0.0 M 0.0 M Clear, calm, 16F at 7 AM, winter not finished yet.
3/26/2011 7:00 AM 0.00 0.0 M 0.0 M Clear, wind calm, 14F.
3/27/2011 7:30 AM 0.00 0.0 M 0.0 M Clear, no wind, 13F.
3/28/2011 7:00 AM 0.00 0.0 M 0.0 M Clear, 16F, breeze from north west.
3/29/2011 7:00 AM 0.00 0.0 M 0.0 M Clear, calm, 17F. Rare in March to have 6 straight days of stable, sunny weather.
3/30/2011 8:30 AM 0.00 0.0 M 0.0 M
3/31/2011 7:00 AM 0.00 0.0 M 0.0 M Clear, calm, 21F. Another sunny day yesterday. No precip in a week.
4/1/2011 7:00 AM 0.00 0.0 M 0.0 M It is a steamy 26F this morning, cloudy, calm.
4/2/2011 7:00 AM 0.00 0.0 M 0.0 M No rain yet, 29F, humid, overcast.
4/3/2011 9:00 AM 0.01 0.0 M 0.0 M
4/4/2011 7:00 AM 0.15 0.0 M 0.0 M
4/5/2011 7:00 AM 0.00 0.0 M 0.0 M Clouds breaking up, sun shining, 33F, windy from northwest. All rain cleared out early yesterday morning.
4/6/2011 8:15 AM 0.04 0.0 M 0.0 M Drizzle, 35F, calm wind.
4/7/2011 7:00 AM 0.72 0.0 M 0.0 M Rained long and steady yesterday. This morning overcast, some fog, 37F.
4/8/2011 7:00 AM 0.16 0.0 M 0.0 M Steady rain, 38F, light winds at 7AM.
4/9/2011 7:00 AM 0.36 0.0 M 0.0 M Clearing, some fog, 35F.
4/10/2011 8:00 AM 0.01 0.0 M 0.0 M
4/11/2011 7:00 AM 0.25 0.0 M 0.0 M Light rain, 58F, breezy. Rain began about 4:30 AM, thunderstorm.
4/12/2011 7:00 AM 0.01 0.0 M 0.0 M Rain measurement from yesterday morning. This morning, clear, beautiful sunrise, 37F, nice breeze out of the north.
4/13/2011 7:00 AM 0.00 0.0 M 0.0 M
4/14/2011 7:00 AM 0.00 0.0 M 0.0 M
4/15/2011 7:00 AM T 0.0 M 0.0 M
4/16/2011 7:00 AM 0.11 0.0 M 0.0 M Warm, windy, very light rain at the moment with more promised later this morning, 48F at 7 AM.
4/17/2011 7:00 AM 0.14 0.0 M 0.0 M
4/18/2011 7:15 AM 0.07 0.2 M 0.2 M Sleet coming down steady, 31F, wind from east, snow coating on grass and cars.
4/19/2011 7:30 AM 0.27 T M 0.0 M Light rain, east wind, 31F. Some slippery spots on back deck. Yesterday morning's snow blanket all gone by afternoon.
4/20/2011 6:45 AM 0.44 0.0 M 0.0 M Rain started after midnight, just letting up now. 37F.
4/28/2011 7:30 AM 1.93 0.0 M 0.0 M Most rain I have measured in 24 hr period. Rain has stopped, cloudy, windy, 45F at 7:30 AM.
4/29/2011 7:00 AM 0.04 0.0 M 0.0 M
4/30/2011 7:00 AM 0.00 0.0 M 0.0 M Clear to the east beautiful sunrise, cloudy west, 36 F, wind calm.
5/1/2011 7:30 AM 0.04 0.0 M 0.0 M
5/2/2011 7:00 AM 0.02 0.0 M 0.0 M
5/3/2011 7:00 AM 0.01 0.0 M 0.0 M Gloom hangs on, overcast, 42F, slight breeze more rain scheduled today.
5/4/2011 6:30 AM T 0.0 M 0.0 M Overcast, 38F, wind calm.
5/6/2011 7:30 AM 0.03 0.0 M 0.0 M Light rain, 49F, wind calm
5/7/2011 6:30 AM 0.11 0.0 M 0.0 M
5/18/2011 11:00 AM 0.23 0.0 M 0.0 M
5/19/2011 7:00 AM 0.21 0.0 M 0.0 M Steady rain, 57F, wind calm.
5/20/2011 7:00 AM 0.31 0.0 M 0.0 M Foggy, 57F, rain has stopped. Off an on rain all day yesterday.
5/21/2011 7:00 AM 0.00 0.0 M 0.0 M Foggy, calm wind, 52F at 7 AM. No rain yesterday.
5/22/2011 9:00 AM 0.10 0.0 M 0.0 M
5/23/2011 7:30 AM 0.19 0.0 M 0.0 M Overcast, 62F, southern breeze. Thunderstorm in the night.
5/24/2011 7:00 AM 0.86 0.0 M 0.0 M Heavy thunderstorms yesterday at noon and 6 PM. This morning clear at 6:15, 57F.
5/27/2011 7:00 AM 0.41 0.0 M 0.0 M Cool, overcast, 47F at 7 AM. Rain last night, deck wet, yard a swamp.
5/28/2011 7:00 AM 0.01 0.0 M 0.0 M Overcast, almost foggy, 53F at 7 AM. Yaed just oozes water when walked on.
5/29/2011 7:00 AM 0.29 0.0 M 0.0 M Foggy, ground soaked, 58F at 7 AM. Rain last night.
5/30/2011 7:00 AM 0.11 0.0 M 0.0 M OMG the sun is shining this morning! 60F, breeze from the south. Rain last evening.
5/31/2011 7:00 AM 0.00 0.0 M 0.0 M Warm, muggy, 70F at 7AM. Beautiful sunny hot day yesterday. Yard still too wet to mow, hopefully can get it done late today.
6/1/2011 6:30 AM T 0.0 M 0.0 M Cooler, less humidity this morning, 66F at 6:30 AM. Dodged the bullet last night, only a few spits of rain. My station reported 7.59 inches in May.
6/2/2011 7:00 AM 0.00 0.0 M 0.0 M Sunny, breezy, lower humidity, 51F at 6:30 AM. Sunny, windy day yesterday, beautiful weather at Tigers game last night.
6/3/2011 7:00 AM 0.00 0.0 M 0.0 M
6/6/2011 7:00 AM 0.00 0.0 M 0.0 M
6/7/2011 7:00 AM 0.00 0.0 M 0.0 M
6/8/2011 7:00 AM 0.00 0.0 M 0.0 M Record high temp at airport yesterday. Lost power last night 7:45 PM back on at 4:30 AM this morning.
6/9/2011 7:00 AM T 0.0 M 0.0 M A few sprinkles starting at 6:30 this morning. Over cast, 68F. Heat has broken, windows opened up.
6/10/2011 7:00 AM T 0.0 M 0.0 M Very little rain yesterday morning. This morning, cool 55F, overcast, breeze from the northwest.
6/11/2011 7:00 AM 0.40 0.0 M 0.0 M
6/12/2011 7:00 AM 0.01 0.0 M 0.0 M Cool, breezy, mostly cloudy, 54F at 7 AM.
6/13/2011 7:00 AM 0.00 0.0 M 0.0 M
6/14/2011 7:00 AM 0.00 0.0 M 0.0 M
6/15/2011 7:00 AM 0.00 0.0 M 0.0 M Cool, breezy, partly cloudy, 53F this morning.
6/16/2011 7:30 AM 0.10 0.0 M 0.0 M Overcast, off and on light drizzle, 60F, wind calm this morning.
6/17/2011 7:00 AM 0.04 0.0 M 0.0 M Sunny, 55F, calm, almost foggy at 6:30AM.
6/18/2011 7:00 AM 0.00 0.0 M 0.0 M
6/19/2011 8:00 AM 0.00 0.0 M 0.0 M Beautiful Michigan morning, cool, and breezy. We now have over 15 hours on sunlight each day.
6/20/2011 7:00 AM 0.00 0.0 M 0.0 M
6/21/2011 7:00 AM T 0.0 M 0.0 M Overcast, 99% humidity, few drops of rain, 70F this morning.
6/22/2011 6:30 AM 0.08 0.0 M 0.0 M T-storm last night began at 9:15PM, did not last long. Muggy, overcast, 69F this morning.
6/23/2011 7:00 AM 0.26 0.0 M 0.0 M T-storm yesterday came through 5:15PM - 6:00PM. Overcast, 66F, west breeze this morning.
6/24/2011 7:00 AM 0.13 0.0 M 0.0 M Off and on showers yesterday. Solid overcast this morning, 60F.
6/25/2011 6:30 AM 0.04 0.0 M 0.0 M Yesterday clouds and rain hung around longer than predicted. Solid overcast this morning, breeze from the west, 58F at 6:30 AM.
6/26/2011 7:00 AM 0.00 0.0 M 0.0 M
6/27/2011 7:00 AM 0.00 0.0 M 0.0 M Beautiful Michigan summer day yesterday, 80F low humidity. This morning sunny 59F wind calm.
6/28/2011 7:00 AM 0.00 0.0 M 0.0 M Not a drop from the forecasted T-storms last night. With over 71/2 inches of rain in May to just 1.06 in June. This morning, sunny, breeze from the west, 66F.
6/29/2011 7:00 AM 0.00 0.0 M 0.0 M
6/30/2011 7:00 AM 0.00 0.0 M 0.0 M
7/1/2011 7:00 AM 0.00 0.0 M 0.0 M
7/2/2011 7:00 AM 0.00 0.0 M 0.0 M Warm and humid, 69F at 7AM. Partly cloudy. Wind calm.
7/3/2011 8:00 AM 0.13 0.0 M 0.0 M
7/4/2011 8:00 AM 0.01 0.0 M 0.0 M
7/5/2011 7:00 AM 0.00 0.0 M 0.0 M
7/6/2011 6:30 AM 0.00 0.0 M 0.0 M Cloudy, winds calm, 69F. Looks like rain is coming.
7/7/2011 6:30 AM 0.00 0.0 M 0.0 M Clear, 61F this morning. Not a drop of rain at the house yesterday,few sprinkles on the windshield driving to work.
7/13/2011 6:30 AM 0.01 0.0 M 0.0 M Not sure where the precip came from, grass not even wet this morning. Pleasant 62F, clear, light breeze.
7/14/2011 7:00 AM 0.00 0.0 M 0.0 M Clear, slight breeze, 53F at 6:15AM, a window-open night!
7/15/2011 7:00 AM 0.00 0.0 M 0.0 M Dark threatening skys, no rain forecast, 63F, calm wind at 6:30AM.
7/16/2011 7:00 AM 0.00 0.0 M 0.0 M Clear, cool 63F, wind calm, very dry.
7/17/2011 7:00 AM 0.00 0.0 M 0.0 M
7/18/2011 7:00 AM T 0.0 M 0.0 M Only rain was this morning, light sprinkles at 6:30. Mostly overcast, 76F, humid.
7/19/2011 7:00 AM 0.01 0.0 M 0.0 M Couple of afternnoon showers, looked threatening at times but not much action. Steamy, 74F, light breeze at 7AM.
7/20/2011 7:00 AM 0.00 0.0 M 0.0 M
7/21/2011 7:00 AM 0.00 0.0 M 0.0 M Clear, 76F at 6:15AM, nice westerly breeze.
7/22/2011 7:00 AM 0.00 0.0 M 0.0 M Ten degrees cooler this morning at 67F after setting all kinds of heat records yesterday.
7/23/2011 6:30 AM 0.12 0.0 M 0.0 M
7/30/2011 7:00 AM 0.00 0.0 M 0.0 M
7/31/2011 7:00 AM 0.00 0.0 M 0.0 M
8/1/2011 7:00 AM 0.00 0.0 M 0.0 M
8/2/2011 7:00 AM 0.00 0.0 M 0.0 M
8/3/2011 6:30 AM 0.43 0.0 M 0.0 M
8/4/2011 6:30 AM 0.04 0.0 M 0.0 M Rain came yesterday morning 6:30 - noon, misty and light drizzle. Cooler this morning, 65F partly cloudy.
8/10/2011 7:00 AM 0.01 0.0 M 0.0 M
8/11/2011 7:00 AM 0.00 0.0 M 0.0 M Had to wear long sleeves on this morning's walk, 53 glorious degrees at 6:15, coolness has knocked down the recent mosquito invasion as well.
8/12/2011 7:00 AM 0.00 0.0 M 0.0 M
8/13/2011 7:00 AM 0.00 0.0 M 0.0 M
8/16/2011 7:00 AM 0.00 0.0 M 0.0 M Beautiful sunny breezy day yesterday. Clear, 56F this morning.
8/17/2011 7:00 AM 0.00 0.0 M 0.0 M
8/18/2011 8:00 AM 0.14 0.0 M 0.0 M Thunderstorm between 7 and 8AM this morning brought the rain. 63F now and clearing.
8/19/2011 7:30 AM 0.01 0.0 M 0.0 M
8/20/2011 7:00 AM 0.00 0.0 M 0.0 M
8/21/2011 8:00 AM 0.38 0.0 M 0.0 M Foggy, 64F this morning. Light thunderstorm Sat afternoon, most of the bad weather was just north of Ann Arbor.
8/22/2011 7:00 AM 0.03 0.0 M 0.0 M Beautiful pre-fall morning, 52F, clear. Rain was from yesterday morning, cleared off around 11AM.
8/23/2011 7:00 AM 0.00 0.0 M 0.0 M
8/26/2011 7:00 AM 0.00 0.0 M 0.0 M
8/27/2011 7:00 AM 0.00 0.0 M 0.0 M
8/28/2011 7:00 AM 0.00 0.0 M 0.0 M
8/29/2011 7:00 AM 0.00 0.0 M 0.0 M
8/30/2011 6:30 AM 0.00 0.0 M 0.0 M
9/14/2011 7:00 AM 0.00 0.0 M 0.0 M
9/15/2011 7:00 AM 0.23 0.0 M 0.0 M Cool 39F at 7am, clear, no breeze. Rain yesterday late afternoon began around 5pm.
9/16/2011 7:00 AM 0.00 0.0 M 0.0 M
9/17/2011 7:00 AM 0.01 0.0 M 0.0 M
9/18/2011 7:00 AM 0.00 0.0 M 0.0 M
9/19/2011 7:30 AM 0.04 0.0 M 0.0 M Light rain began around 6am, picking up in strength now. 58F at 7:30am.
9/20/2011 7:00 AM 0.32 0.0 M 0.0 M Foggy, 55F this morning. Long, light rain yesterday ended late afternoon.
9/23/2011 7:30 AM 0.22 0.0 M 0.0 M Light rain began last night around 9:30. Off and on this morning, 53F.
9/24/2011 7:00 AM 0.02 0.0 M 0.0 M
9/25/2011 7:00 AM 0.01 0.0 M 0.0 M I think the measurement in the rain guage is from heavy dew and fog. Nice day yesterday. Foggy, breezy, 58F this morning.
9/26/2011 7:30 AM 0.51 0.0 M 0.0 M Light rain, east breeze, 63F this morning. Rain began after 1AM last night.
9/27/2011 7:00 AM 0.42 0.0 M 0.0 M Rain yesterday until noon. Partly cloudy overnight, thickening clouds this morning, 48F.
9/28/2011 8:00 AM 0.20 0.0 M 0.0 M
9/29/2011 7:00 AM 0.15 0.0 M 0.0 M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
10/15/2010 10/19/2010 7:30 AM 5 0.01 M M
11/6/2010 11/08/2010 7:00 AM 3 0.00 0.0 0.00
12/4/2010 12/12/2010 8:30 AM 9 0.58 1.0 M
1/3/2011 1/05/2011 8:30 AM 3 0.03 0.5 M
1/15/2011 1/16/2011 9:00 AM 2 0.05 5.0 M
2/25/2011 2/28/2011 7:00 AM 4 0.77 4.0 M
3/18/2011 3/24/2011 7:30 AM 7 1.74 0.0 M
4/21/2011 4/27/2011 8:15 AM 7 1.43 0.0 0.00
5/8/2011 5/17/2011 7:00 AM 10 1.56 0.0 0.00
5/25/2011 5/26/2011 7:00 AM 2 3.10 0.0 0.00 Just hammered with rain and storms yesterday. Virtually all the total rainfall came on Wed.
6/4/2011 6/05/2011 7:00 AM 2 0.00 0.0 0.00
7/8/2011 7/12/2011 7:00 AM 5 0.36 0.0 0.00
7/24/2011 7/29/2011 7:00 PM 6 6.90 0.0 0.00
8/5/2011 8/09/2011 7:00 AM 5 2.98 0.0 0.00
8/13/2011 8/15/2011 7:00 AM 3 0.20 0.0 0.00
8/24/2011 8/25/2011 7:00 AM 2 0.72 0.0 0.00
8/28/2011 9/13/2011 7:00 AM 17 2.94 0.0 0.00
9/21/2011 9/22/2011 7:00 AM 2 0.01 0.0 0.00
9/29/2011 10/13/2011 7:00 AM 15 0.41 0.0 0.00



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