Station Overview Station Location
Station Number MI-WS-32 Latitude 42.325602
Station Name Ann Arbor 6.5 ENE Longitude -83.622179
County Washtenaw Elevation (ft) 834



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 12 2.80 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Nov 12 2.89 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Dec 12 2.65 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Jan 13 2.26 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Feb 13 2.12 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
March 13 2.43 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
April 13 3.11 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
May 13 3.39 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
June 13 3.56 0.00 5 0.00 5 0.00 0 0 0 1 0.0 0 0
July 13 3.39 4.29 24 4.06 20 0.23 4 1 9 1 0.0 0 0
Aug 13 3.30 4.32 29 4.32 25 0.00 4 1 11 4 0.0 0 0
Sept 13 3.29 0.80 28 0.74 25 0.06 3 1 11 4 0.0 0 0
Water Year Totals: 35.19" 9.41" 86 days 9.12" 75 0.29" 11 days 3 31 days 10 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
10/1/2012
10/2/2012
10/3/2012
10/4/2012
10/5/2012
10/6/2012
10/7/2012
10/8/2012
10/9/2012
10/10/2012
10/11/2012
10/12/2012
10/13/2012
10/14/2012
10/15/2012
10/16/2012
10/17/2012
10/18/2012
10/19/2012
10/20/2012
10/21/2012
10/22/2012
10/23/2012
10/24/2012
10/25/2012
10/26/2012
10/27/2012
10/28/2012
10/29/2012
10/30/2012
10/31/2012
11/1/2012
11/2/2012
11/3/2012
11/4/2012
11/5/2012
11/6/2012
11/7/2012
11/8/2012
11/9/2012
11/10/2012
11/11/2012
11/12/2012
11/13/2012
11/14/2012
11/15/2012
11/16/2012
11/17/2012
11/18/2012
11/19/2012
11/20/2012
11/21/2012
11/22/2012
11/23/2012
11/24/2012
11/25/2012
11/26/2012
11/27/2012
11/28/2012
11/29/2012
11/30/2012
12/1/2012
12/2/2012
12/3/2012
12/4/2012
12/5/2012
12/6/2012
12/7/2012
12/8/2012
12/9/2012
12/10/2012
12/11/2012
12/12/2012
12/13/2012
12/14/2012
12/15/2012
12/16/2012
12/17/2012
12/18/2012
12/19/2012
12/20/2012
12/21/2012
12/22/2012
12/23/2012
12/24/2012
12/25/2012
12/26/2012
12/27/2012
12/28/2012
12/29/2012
12/30/2012
12/31/2012
Day of YearDaily PrcpMultiday Prcp
1/1/2013
1/2/2013
1/3/2013
1/4/2013
1/5/2013
1/6/2013
1/7/2013
1/8/2013
1/9/2013
1/10/2013
1/11/2013
1/12/2013
1/13/2013
1/14/2013
1/15/2013
1/16/2013
1/17/2013
1/18/2013
1/19/2013
1/20/2013
1/21/2013
1/22/2013
1/23/2013
1/24/2013
1/25/2013
1/26/2013
1/27/2013
1/28/2013
1/29/2013
1/30/2013
1/31/2013
2/1/2013
2/2/2013
2/3/2013
2/4/2013
2/5/2013
2/6/2013
2/7/2013
2/8/2013
2/9/2013
2/10/2013
2/11/2013
2/12/2013
2/13/2013
2/14/2013
2/15/2013
2/16/2013
2/17/2013
2/18/2013
2/19/2013
2/20/2013
2/21/2013
2/22/2013
2/23/2013
2/24/2013
2/25/2013
2/26/2013
2/27/2013
2/28/2013
3/1/2013
3/2/2013
3/3/2013
3/4/2013
3/5/2013
3/6/2013
3/7/2013
3/8/2013
3/9/2013
3/10/2013
3/11/2013
3/12/2013
3/13/2013
3/14/2013
3/15/2013
3/16/2013
3/17/2013
3/18/2013
3/19/2013
3/20/2013
3/21/2013
3/22/2013
3/23/2013
3/24/2013
3/25/2013
3/26/2013
3/27/2013
3/28/2013
3/29/2013
3/30/2013
3/31/2013
Day of YearDaily PrcpMultiday Prcp
4/1/2013
4/2/2013
4/3/2013
4/4/2013
4/5/2013
4/6/2013
4/7/2013
4/8/2013
4/9/2013
4/10/2013
4/11/2013
4/12/2013
4/13/2013
4/14/2013
4/15/2013
4/16/2013
4/17/2013
4/18/2013
4/19/2013
4/20/2013
4/21/2013
4/22/2013
4/23/2013
4/24/2013
4/25/2013
4/26/2013
4/27/2013
4/28/2013
4/29/2013
4/30/2013
5/1/2013
5/2/2013
5/3/2013
5/4/2013
5/5/2013
5/6/2013
5/7/2013
5/8/2013
5/9/2013
5/10/2013
5/11/2013
5/12/2013
5/13/2013
5/14/2013
5/15/2013
5/16/2013
5/17/2013
5/18/2013
5/19/2013
5/20/2013
5/21/2013
5/22/2013
5/23/2013
5/24/2013
5/25/2013
5/26/2013
5/27/2013
5/28/2013
5/29/2013
5/30/2013
5/31/2013
6/1/2013
6/2/2013
6/3/2013
6/4/2013
6/5/2013
6/6/2013
6/7/2013
6/8/2013
6/9/2013
6/10/2013
6/11/2013
6/12/2013
6/13/2013
6/14/2013
6/15/2013
6/16/2013
6/17/2013
6/18/2013
6/19/2013 0.00
6/20/2013 0.00
6/21/2013 0.00
6/22/2013 0.00
6/23/2013 T
6/24/2013
6/25/2013
6/26/2013
6/27/2013
6/28/2013
6/29/2013
6/30/2013
Day of YearDaily PrcpMultiday Prcp
7/1/2013
7/2/2013
7/3/2013
7/4/2013
7/5/2013
7/6/2013
7/7/2013 0.07
7/8/2013 0.04
7/9/2013 0.55
7/10/2013 0.65
7/11/2013 0.00
7/12/2013 0.00
7/13/2013 0.00
7/14/2013 0.00
7/15/2013 0.00
7/16/2013 1.96
7/17/2013 0.00
7/18/2013 0.01
7/19/2013
7/20/2013 0.43
7/21/2013 0.00
7/22/2013 0.01
7/23/2013 0.00
7/24/2013 0.34
7/25/2013 T
7/26/2013 0.00
7/27/2013 **
7/28/2013 **
7/29/2013 **
7/30/2013 0.23
7/31/2013 0.00
8/1/2013 0.34
8/2/2013 0.02
8/3/2013 T
8/4/2013
8/5/2013 0.00
8/6/2013 0.01
8/7/2013 0.04
8/8/2013 0.49
8/9/2013 0.01
8/10/2013 0.00
8/11/2013 0.00
8/12/2013 T
8/13/2013 1.45
8/14/2013 T
8/15/2013 0.00
8/16/2013
8/17/2013 **
8/18/2013 **
8/19/2013 **
8/20/2013 0.00
8/21/2013 0.00
8/22/2013 0.00
8/23/2013 0.00
8/24/2013 0.00
8/25/2013 0.00
8/26/2013 0.00
8/27/2013 0.25
8/28/2013 1.61
8/29/2013 0.02
8/30/2013 T
8/31/2013 0.08
9/1/2013 T
9/2/2013 T
9/3/2013 0.00
9/4/2013 0.00
9/5/2013 0.00
9/6/2013 0.00
9/7/2013 0.00
9/8/2013 0.02
9/9/2013 T
9/10/2013 0.22
9/11/2013 0.01
9/12/2013 0.13
9/13/2013 0.02
9/14/2013 0.01
9/15/2013 **
9/16/2013 0.06
9/17/2013 0.01
9/18/2013 0.01
9/19/2013 0.00
9/20/2013 0.27
9/21/2013
9/22/2013 0.03
9/23/2013 0.01
9/24/2013 0.00
9/25/2013 0.00
9/26/2013 0.00
9/27/2013 T
9/28/2013
9/29/2013 0.00
9/30/2013 **



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
6/19/2013 7:00 AM 0.00 0.0 M M M Unofficial guage-guage ordered today.
6/20/2013 7:00 AM 0.00 0.0 M M M clear skies, dry soil, plants still green
6/21/2013 7:00 AM 0.00 0.0 M M M
6/22/2013 7:00 AM 0.00 0.0 M M M Warm, lots of clouds yesterday and today, not a trace.
6/23/2013 7:00 AM T M M M M trace- do not yet have normal equipment and on vacation - will pause this week as accuracy questionable.
7/7/2013 7:00 AM 0.07 M M M M Lovely warm misty rain 5pm to 9:30 last night for the most part, still misting rain. Tomatoes growing!
7/8/2013 7:00 AM 0.04 M M M M Misty Rain mostly in morning all day. Was .03 by nightfall. Heavy rain for a short time after 10 pm
7/9/2013 7:00 AM 0.55 M M M M We are headwater area for Huron River near headwater for Rouge River, Rouge overflowed downstream. Telegraph Rd (major) unusable, Southfield freeway jammed, exits on I94 not useable, Advice to keep children out of rainwater due to pollution hazards.
7/10/2013 7:20 AM 0.65 M M M M
7/11/2013 7:00 AM 0.00 0.0 M M M
7/12/2013 7:15 AM 0.00 0.0 M M M
7/13/2013 7:15 AM 0.00 0.0 M M M
7/14/2013 7:00 AM 0.00 0.0 M M M heavy dew but not in cylinder
7/15/2013 7:00 AM 0.00 0.0 M M M
7/16/2013 7:16 AM 1.96 M M M M At
7/17/2013 7:00 AM 0.00 0.0 M M M heavy dew- surprised no trace
7/18/2013 7:30 AM 0.01 M M M M very wet, but surprised there was actually measurable. Mushrooms in all sorts of new places in the garden and lawn.
7/20/2013 7:00 AM 0.43 M M M M several cloudburst in evening other near areas had different timing
7/21/2013 7:00 AM 0.00 0.0 M M M
7/22/2013 7:40 AM 0.01 M M M M
7/23/2013 7:00 AM 0.00 0.0 M M M
7/24/2013 7:00 AM 0.34 M M M M This rain all fell in the early evening from about 4:45 to 6. It measured this amount last evening after the rain.
7/25/2013 7:00 AM T M M M M
7/26/2013 7:00 AM 0.00 0.0 M M M
7/31/2013 7:00 AM 0.00 0.0 M M M
8/1/2013 6:52 AM 0.34 M M M M
8/2/2013 7:00 AM 0.02 M M M M
8/3/2013 7:00 AM T M M M M
8/5/2013 7:00 AM 0.00 0.0 M M M
8/6/2013 7:00 AM 0.01 M M M M raining at 5:30 am
8/7/2013 7:00 AM 0.04 M M M M
8/8/2013 7:00 AM 0.49 M M M M Nice sunny day with at least two big drenches one at 9:30 am and one after midnight.
8/9/2013 7:09 AM 0.01 M M M M not observed
8/10/2013 6:45 AM 0.00 0.0 M M M dew
8/11/2013 7:20 AM 0.00 0.0 M M M
8/12/2013 7:05 AM T M M M M sprinkling at the time
8/13/2013 7:05 AM 1.45 M M M M no hail, no obvious flooding
8/14/2013 6:45 AM T M M M M dew?
8/15/2013 7:30 AM 0.00 0.0 M M M
8/21/2013 7:00 AM 0.00 0.0 M M M Grass still green. Gardens and flower pots need water.
8/22/2013 7:18 AM 0.00 0.0 M M M Dew is not quite dry, and no fog or other evidence of moisture on measuring device. Garden green but fruit suddenly ripening with dryness.
8/23/2013 7:12 AM 0.00 0.0 M M M Dew but dirt is very hard and dry. Foliage, grass and vegetables green. Some plantings (hops and winter squash) drying early and need to be harvested.
8/24/2013 7:18 AM 0.00 0.0 M M M
8/25/2013 7:00 AM 0.00 0.0 M M M
8/26/2013 7:23 AM 0.00 0.0 M M M NO water condensation, just a trace of dampness in the grass. No normal morning fog.
8/27/2013 7:03 AM 0.25 M M M M No rain at all until after dark last night. Cloud burst this morning aprox. @ 6:45am. Observation time is precise and storm was ongoing.
8/28/2013 7:10 AM 1.61 M M M M The early morning rain stopped and the guauge was .32 which was added on to the earlier measurement recorded at 7 am. The day was nice but the gauge was .34 at sunset so there was a short rain. Rain started at sunset accumulating 1.27 overnight.
8/29/2013 7:45 AM 0.02 M M M M
8/30/2013 6:45 AM T M M M M fog at sunrise
8/31/2013 7:03 AM 0.08 M M M M
9/1/2013 7:00 AM T M M M M
9/2/2013 7:00 AM T M M M M one drop, maybe just dew
9/3/2013 7:35 AM 0.00 0.0 M M M
9/4/2013 7:40 AM 0.00 0.0 M M M
9/5/2013 7:00 AM 0.00 0.0 M M M
9/6/2013 7:45 AM 0.00 0.0 M M M heavy dew and under 45F makes tender plants wilt-not quite frost but finish on apples and pears and peppers
9/7/2013 7:45 AM 0.00 0.0 M M M
9/8/2013 7:45 AM 0.02 M M M M light afternoon sprinkles on Saturday
9/9/2013 7:22 AM T M M M M 1 drop
9/10/2013 7:40 AM 0.22 M M M M Warm day, but just a start of color in the trees. Apples are ripening.
9/11/2013 7:35 AM 0.01 M M M M
9/12/2013 7:40 AM 0.13 M M M M
9/13/2013 7:30 AM 0.02 M M M M
9/14/2013 7:30 AM 0.01 M M M M
9/17/2013 7:45 AM 0.01 M M M M
9/18/2013 7:30 AM 0.01 M M M M
9/19/2013 7:43 AM 0.00 0.0 M M M
9/20/2013 8:15 AM 0.27 M M M M heard a heavy rain in the night
9/22/2013 8:15 AM 0.03 M M M M
9/23/2013 7:40 AM 0.01 M M M M
9/24/2013 7:40 AM 0.00 0.0 M M M very wet but no drop
9/25/2013 7:20 AM 0.00 0.0 M M M
9/26/2013 7:30 AM 0.00 0.0 M M M fog not rain. CHANGED T PRECIP TO 0.00 SINCE IT WAS FOG. -RK
9/27/2013 7:30 AM T M M M M no "real"precipitation, HEAVY dew
9/29/2013 7:30 AM 0.00 0.0 M M M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
7/27/2013 7/30/2013 7:00 AM 4 0.23 M M vacation (edit: start year changed from 2012 to 2013. P.G.)
8/17/2013 8/20/2013 7:15 AM 4 0.00 M M This rain guage was observed throughout this time, and a zero precipation is accurate. There was heavy Dew present on Saturday, Monday and Tuesday. The zero was verified by secondary collectors.
9/15/2013 9/16/2013 8:20 AM 2 0.06 M M
9/30/2013 10/01/2013 7:32 AM 2 0.16 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