Station Overview Station Location
Station Number MI-IC-6 Latitude 44.2933
Station Name National City 4.5 NNE Longitude -83.6841
County Iosco Elevation (ft) 757



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 2.69 4.80 13 3.75 8 1.05 5 1 5 0 0.0 0 0
Nov 16 2.48 1.76 29 0.93 27 0.83 2 1 6 1 0.5 1 1
Dec 16 1.85 2.04 17 1.37 13 0.67 4 2 5 3 9.2 4 9
Jan 17 1.79 2.13 24 2.13 24 0.00 0 0 14 4 9.4 7 1
Feb 17 1.48 2.27 22 0.66 12 1.61 10 2 7 2 4.9 5 2
March 17 1.82 3.00 21 3.00 21 0.00 0 0 12 0 11.1 4 6
April 17 2.64 5.27 25 5.03 22 0.24 3 1 11 3 0.4 1 1
May 17 3.01 2.64 18 1.95 13 0.69 5 1 4 0 0.0 0 0
June 17 3.11 5.72 20 5.47 16 0.25 4 1 13 0 0.0 0 0
July 17 2.84 2.20 16 2.20 16 0.00 0 0 5 1 0.0 0 0
Aug 17 3.35 1.25 12 0.57 2 0.68 10 1 2 0 0.0 0 0
Sept 17 3.41 0.94 17 0.94 17 0.00 0 0 4 0 0.0 0 0
Water Year Totals: 30.47" 34.02" 234 days 28.00" 191 6.02" 43 days 10 88 days 14 days 35.5" 22 days 20 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 **
10/2/2016 **
10/3/2016 **
10/4/2016 **
10/5/2016 1.05
10/6/2016 0.30
10/7/2016 2.20
10/8/2016 0.00
10/9/2016 0.00
10/10/2016
10/11/2016
10/12/2016
10/13/2016
10/14/2016
10/15/2016
10/16/2016
10/17/2016 0.38
10/18/2016
10/19/2016
10/20/2016
10/21/2016
10/22/2016
10/23/2016
10/24/2016
10/25/2016
10/26/2016
10/27/2016 0.84
10/28/2016
10/29/2016 0.03
10/30/2016 0.00
10/31/2016
11/1/2016 0.10
11/2/2016 0.01
11/3/2016 0.00
11/4/2016 0.00
11/5/2016 0.00
11/6/2016 0.00
11/7/2016 0.00
11/8/2016 0.00
11/9/2016 0.00
11/10/2016 0.00
11/11/2016 0.00
11/12/2016 0.00
11/13/2016 0.00
11/14/2016 0.00
11/15/2016 0.00
11/16/2016 0.00
11/17/2016 0.00
11/18/2016 0.00
11/19/2016 0.02
11/20/2016 T
11/21/2016 0.00
11/22/2016 0.00
11/23/2016 0.00
11/24/2016 0.71
11/25/2016 0.00
11/26/2016 0.05
11/27/2016
11/28/2016 **
11/29/2016 0.83
11/30/2016 0.04
12/1/2016 0.00
12/2/2016
12/3/2016
12/4/2016
12/5/2016 0.49
12/6/2016 0.00
12/7/2016 0.00
12/8/2016 T
12/9/2016
12/10/2016 **
12/11/2016 0.23
12/12/2016 0.23
12/13/2016
12/14/2016 T
12/15/2016 0.00
12/16/2016 T
12/17/2016
12/18/2016
12/19/2016
12/20/2016
12/21/2016 **
12/22/2016 0.44
12/23/2016
12/24/2016 0.19
12/25/2016
12/26/2016 0.35
12/27/2016 0.00
12/28/2016
12/29/2016
12/30/2016
12/31/2016 0.11
Day of YearDaily PrcpMultiday Prcp
1/1/2017
1/2/2017 0.00
1/3/2017 0.16
1/4/2017 0.06
1/5/2017 T
1/6/2017 0.00
1/7/2017
1/8/2017 0.00
1/9/2017 0.03
1/10/2017 0.46
1/11/2017 0.34
1/12/2017 0.17
1/13/2017 0.03
1/14/2017 0.00
1/15/2017 0.00
1/16/2017 0.00
1/17/2017 0.32
1/18/2017 0.01
1/19/2017
1/20/2017
1/21/2017
1/22/2017 0.03
1/23/2017 T
1/24/2017
1/25/2017
1/26/2017 0.46
1/27/2017 T
1/28/2017 T
1/29/2017 0.01
1/30/2017 0.02
1/31/2017 0.03
2/1/2017 0.14
2/2/2017 0.00
2/3/2017 0.00
2/4/2017 0.00
2/5/2017 T
2/6/2017
2/7/2017 0.16
2/8/2017 0.12
2/9/2017
2/10/2017 0.05
2/11/2017
2/12/2017 0.10
2/13/2017 0.04
2/14/2017
2/15/2017 **
2/16/2017 **
2/17/2017 **
2/18/2017 **
2/19/2017 **
2/20/2017 0.00
2/21/2017 0.05
2/22/2017 **
2/23/2017 **
2/24/2017 **
2/25/2017 1.61
2/26/2017 T
2/27/2017
2/28/2017
3/1/2017 1.04
3/2/2017 0.26
3/3/2017 0.00
3/4/2017 0.00
3/5/2017 0.00
3/6/2017
3/7/2017 0.22
3/8/2017 0.00
3/9/2017 0.00
3/10/2017
3/11/2017
3/12/2017
3/13/2017 0.07
3/14/2017 0.30
3/15/2017
3/16/2017 0.00
3/17/2017
3/18/2017 0.18
3/19/2017 0.00
3/20/2017 0.00
3/21/2017 0.08
3/22/2017 0.00
3/23/2017
3/24/2017 0.01
3/25/2017 M
3/26/2017 0.17
3/27/2017 0.28
3/28/2017 0.01
3/29/2017
3/30/2017
3/31/2017 0.38
Day of YearDaily PrcpMultiday Prcp
4/1/2017 0.03
4/2/2017 0.00
4/3/2017 0.10
4/4/2017 1.37
4/5/2017 0.03
4/6/2017 0.77
4/7/2017 **
4/8/2017 **
4/9/2017 0.24
4/10/2017 0.00
4/11/2017 0.52
4/12/2017 T
4/13/2017 0.00
4/14/2017 0.00
4/15/2017 0.47
4/16/2017 0.53
4/17/2017
4/18/2017
4/19/2017 T
4/20/2017 0.54
4/21/2017 0.21
4/22/2017 T
4/23/2017 0.00
4/24/2017 0.00
4/25/2017 0.00
4/26/2017 0.00
4/27/2017
4/28/2017
4/29/2017
4/30/2017 0.46
5/1/2017 1.23
5/2/2017 0.23
5/3/2017 0.00
5/4/2017 0.00
5/5/2017 0.00
5/6/2017 0.00
5/7/2017 0.00
5/8/2017 0.00
5/9/2017
5/10/2017
5/11/2017
5/12/2017
5/13/2017
5/14/2017
5/15/2017
5/16/2017
5/17/2017
5/18/2017 0.00
5/19/2017
5/20/2017
5/21/2017 0.43
5/22/2017 **
5/23/2017 **
5/24/2017 **
5/25/2017 **
5/26/2017 0.69
5/27/2017 0.00
5/28/2017 0.00
5/29/2017 0.06
5/30/2017
5/31/2017
6/1/2017 **
6/2/2017 **
6/3/2017 **
6/4/2017 0.25
6/5/2017 0.04
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 0.19
6/16/2017 0.78
6/17/2017 0.27
6/18/2017 0.67
6/19/2017 0.02
6/20/2017 0.42
6/21/2017 0.00
6/22/2017 0.63
6/23/2017 1.65
6/24/2017 0.00
6/25/2017 0.17
6/26/2017 0.36
6/27/2017 0.01
6/28/2017 0.00
6/29/2017 0.26
6/30/2017
Day of YearDaily PrcpMultiday Prcp
7/1/2017 0.00
7/2/2017 0.00
7/3/2017 0.00
7/4/2017 0.00
7/5/2017 0.00
7/6/2017 0.00
7/7/2017 1.80
7/8/2017 0.06
7/9/2017
7/10/2017
7/11/2017 T
7/12/2017
7/13/2017 0.25
7/14/2017 0.00
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 0.02
7/27/2017 0.07
7/28/2017 0.00
7/29/2017 0.00
7/30/2017 0.00
7/31/2017
8/1/2017
8/2/2017
8/3/2017 0.29
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 0.28
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 0.68
8/28/2017
8/29/2017
8/30/2017
8/31/2017
9/1/2017 0.00
9/2/2017 0.00
9/3/2017 0.00
9/4/2017 0.00
9/5/2017 0.22
9/6/2017 0.05
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 0.00
9/17/2017 0.65
9/18/2017 0.00
9/19/2017 0.00
9/20/2017 0.02
9/21/2017 0.00
9/22/2017 0.00
9/23/2017 0.00
9/24/2017 0.00
9/25/2017 0.00
9/26/2017 0.00
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
10/6/2016 9:00 AM 0.30 0.0 0.00 0.0 0.00
10/7/2016 9:00 AM 2.20 0.0 0.00 0.0 0.00 KOSC AWOS obs 10/7 08:53 S 10 G 17 10.00 Fair CLR 64 61 92% NA NA 30.03
10/8/2016 9:00 AM 0.00 0.0 0.00 0.0 0.00
10/9/2016 9:00 AM 0.00 0.0 0.00 0.0 0.00
10/17/2016 9:00 AM 0.38 0.0 0.00 0.0 0.00
10/27/2016 9:00 AM 0.84 0.0 0.00 0.0 0.00 KOSC AWOS obs 10/27 09:13 NE 12 5.00 Light Snow BKN013 OVC017 41 40 95% 34 NA 30.11 AWOS sensor location is 16mi NE of my sampling location. My sampling location saw no snow.
10/29/2016 9:00 AM 0.03 0.0 0.00 0.0 0.00
10/30/2016 9:00 AM 0.00 0.0 0.00 0.0 0.00
11/1/2016 9:00 AM 0.10 0.0 0.00 0.0 0.00
11/2/2016 9:00 AM 0.01 0.0 0.00 0.0 0.00
11/3/2016 9:00 AM 0.00 0.0 0.00 0.0 0.00
11/4/2016 9:00 AM 0.00 0.0 M M M
11/5/2016 9:00 AM 0.00 0.0 M M M
11/6/2016 9:00 AM 0.00 0.0 M M M
11/7/2016 9:00 AM 0.00 0.0 M M M
11/8/2016 9:00 AM 0.00 0.0 M M M
11/9/2016 9:00 AM 0.00 0.0 M M M
11/10/2016 9:00 AM 0.00 0.0 M M M
11/11/2016 9:00 AM 0.00 0.0 M M M
11/12/2016 9:00 AM 0.00 0.0 M M M
11/13/2016 9:00 AM 0.00 0.0 M M M
11/14/2016 9:00 AM 0.00 0.0 M M M
11/15/2016 9:00 AM 0.00 0.0 M M M
11/16/2016 9:00 AM 0.00 0.0 M M M
11/17/2016 9:00 AM 0.00 0.0 M M M
11/18/2016 9:00 AM 0.00 0.0 M M M
11/19/2016 9:00 AM 0.02 0.0 0.00 0.0 0.00 KOSC AWOS obs 11/19 08:54 SW 12 G 18 10.00mi Overcast OVC033 40F 31F 70% 33F 29.68"Hg
11/20/2016 9:00 AM T 0.0 T 0.0 0.00 All night freezing temps. 1st snow. KOSC AWOS obs 11/ 09:14 NW 13 G 26 7.00mi Light Snow OVC026 29F 19F 65% 19F 30.09"Hg
11/21/2016 9:00 AM 0.00 0.0 M M M
11/22/2016 9:00 AM 0.00 0.0 0.00 0.0 0.00
11/23/2016 9:00 AM 0.00 0.0 M M M
11/24/2016 9:00 AM 0.71 0.5 M 0.5 M KOSC AWOS obs 11/24 09:14 NW 3 5.00mi Fog/Mist SCT030 OVC040 39F 37F 95% 30.03"Hg
11/25/2016 9:00 AM 0.00 0.0 M M M
11/26/2016 9:00 AM 0.05 0.0 0.00 0.0 0.00 KOSC AWOS obs 11/26 08:54 W7 10.00mi Overcast SCT035 BKN049 OVC090 36F 34F 94% 30.21"Hg
11/30/2016 9:00 AM 0.04 0.0 0.00 0.0 0.00 KOSC AWOS obs 11/30 09:14 Calm 0.25mi Fog OVC007 41F 40F 96% 29.57"Hg
12/1/2016 9:00 AM 0.00 0.0 0.00 0.0 0.00 KOSC AWOS obs 12/1 09:14 SW 15 10.00mi Unknown Precip OVC014 38F 34F 84% 29F 29.57"Hg
12/5/2016 9:00 AM 0.49 3.0 0.49 3.0 0.49 KOSC AWOS obs 12/09:14 NA 10.00mi Overcast SCT009 SCT021 OVC048 34F 32F 93% 29.89"Hg
12/6/2016 9:00 AM 0.00 0.0 0.00 0.5 M
12/7/2016 9:00 AM 0.00 0.0 0.00 0.5 M KOSC AWOS obs 12/06 08:54 SE10 10.00 Overcast OVC033 32F 20F 62% 29.85"Hg
12/8/2016 9:00 AM T T T T M KOSC AWOS obs 12/08 08:53 NA 10.00mi Overcast BKN024 OVC032 27F 18F 71% 29.92"Hg Light snow falling. No snow on the ground except in sun shadowed areas.
12/12/2016 9:00 AM 0.23 2.8 0.22 6.0 0.44 KOSC AWOS obs 12/2 08:54 NA 4.00mi Light Snow BKN020 BKN025 OVC037 28F 26F 91% 29.70"Hg
12/14/2016 9:00 AM T T T 5.0 M KOSC AWOS obs 12/14 08:54 SW 21 G 26 7.00mi Mostly Cloudy and Breezy SCT024 BKN031 14F 8F 76% -4F 29.89"Hg
12/15/2016 9:00 AM 0.00 0.0 0.00 4.5 M KOSC AWOS obs 12/15 09:14 W22G30 1.75mi Partly Cloudy with Haze SCT002 10F 1F 69% 30.02"Hg
12/16/2016 9:00 AM T T T 4.5 0.33 KOSC AWOS obs 12/16 08:54 SW10 10.00mi Overcast OVC100 10F 5F 78% 30.22"Hg
12/24/2016 9:00 AM 0.19 2.0 0.19 6.0 M KOSC AWOS obs 12/24 08:54 W 7 10.00mi Overcast OVC017 34F 32F 94% 28F NA 30.01"Hg
12/26/2016 9:00 AM 0.35 0.0 0.00 3.5 M KOSC AWOS obs 12/26 08:54 S 10 G 16 2.50mi Fog/Mist OVC003 37F 36F 95% 30F 29.94"Hg
12/27/2016 9:00 AM 0.00 0.0 0.00 M M KOSC AWOS obs 12/27 08:54 W 9 G 21 10.00mi Overcast OVC022 28F 19F 68% 19F 29.90"Hg Very light snow falling most of the day.
12/31/2016 9:00 AM 0.11 1.4 0.11 M M KOSC AWOS obs 12/31 08:54 S 8 5.00mi Light Snow SCT028 BKN038 OVC075 31F 26F 81% 24F NA 29.44"Hg
1/2/2017 9:00 AM 0.00 0.0 0.00 M M KOSC AWOS obs 1/02 08:54 Calm 10.00mi Fair CLR 15F 12F 85% 30.27"Hg
1/3/2017 9:00 AM 0.16 0.0 0.00 3.0 0.73 KOSC AWOS obs 1/03 09:14 NE 3 0.50mi Fog OVC002 38F 37F 97% 29.78"Hg
1/4/2017 9:00 AM 0.06 T 0.06 M M KOSC AWOS obs 1/4 08:54 W 25 G 35 10.00mi Overcast and Breezy SCT030 SCT037 OVC046 21F 12F 68% 4F NA 29.59"Hg
1/5/2017 9:00 AM T T T M M KOSC AWOS obs 1/05 08:54 W 16 10.00mi Partly Cloudy SCT017 SCT022 SCT030 12F 1F 62% -5F NA 29.83"Hg
1/6/2017 9:00 AM 0.00 0.0 0.00 M M KOSC AWOS obs 1/06 08:54 SW 8 10.00mi Fair CLR 4F -2F 75% -9F NA 30.02"Hg
1/8/2017 9:00 AM 0.00 0.0 0.00 M M KOSC AWOS obs 1/08 08:54 W 7 10.00mi Fair CLR 5F -2F 72% -7F NA 30.51"Hg
1/9/2017 9:00 AM 0.03 0.5 0.03 M M
1/10/2017 9:00 AM 0.46 4.1 0.46 M M KOSC AWOS obs 1/10 08:54 S 13 G 18 1.50mi Light Snow OVC007 32F 29F 91% 22F NA 29.84"Hg
1/11/2017 9:00 AM 0.34 M 0.34 M M
1/12/2017 9:00 AM 0.17 0.4 0.17 M M KOSC AWOS obs 1/12 08:53 NW 8 10.00mi Overcast BKN020 BKN035 OVC044 24F 20F 83% 15F NA 29.93"Hg
1/13/2017 9:00 AM 0.03 M 0.03 M M KOSC AWOS obs 1/13 08:54 W 5 10.00mi Overcast OVC035 11F 5F 76% 2F NA 30.69"Hg
1/14/2017 9:00 AM 0.00 0.0 0.00 M M KOSC AWOS obs 1/14 08:54 SW 6 10.00mi Overcast OVC050 17F 11F 77% 8F NA 30.52"Hg
1/15/2017 9:00 AM 0.00 0.0 0.00 M M KOSC AWOS obs 1/15 08:53 Calm 10.00mi Fair CLR 9F 5F 84% NA NA 30.41"Hg
1/16/2017 9:00 AM 0.00 0.0 0.00 M M KOSC AWOS obs 1/6 08:54 SW 6 5.00mi Fog/Mist CLR 20F 17F 89% 12F NA 30.28"Hg
1/17/2017 9:00 AM 0.32 0.0 0.00 M M KOSC AWOS obs 1/17 08:54 NE 12 1.25mi Unknown Precip OVC003 35F 34F 96% 27F NA 29.88"Hg
1/18/2017 9:00 AM 0.01 0.0 0.00 M M KOSC AWOS obs 1/18 08:54 W 3 5.00mi Fog/Mist SCT010 BKN016 OVC022 34F 33F 97% NA NA 29.99"Hg
1/22/2017 9:00 AM 0.03 0.0 0.00 M M KOSC AWOS obs 1/22 08:54 Calm 0.50mi Fog OVC002 38F 37F 97% NA NA 29.63"Hg
1/23/2017 9:00 AM T 0.0 0.00 M M KOSC AWOS obs 1/23 08:53 N 6 2.00mi Fog/Mist OVC004 37F 37F 98% 32F NA 29.73"Hg
1/26/2017 9:00 AM 0.46 3.5 0.46 M M KOSC AWOS obs 1/26 08:53 NW 6 10.00mi Light Snow OVC012 34F 33F 96% 29F NA 29.47"Hg
1/27/2017 9:00 AM T T T M M KOSC AWOS obs 1/27 08:54 W 7 10.00mi Overcast OVC050 31F 25F 79% 24F NA 29.67"Hg
1/28/2017 9:00 AM T T T M M KOSC AWOS obs 1/28 08:54 SW 14 10.00mi Overcast OVC033 30F 23F 76% 19F NA 29.55"Hg
1/29/2017 2:00 PM 0.01 0.1 0.01 M M KOSC AWOS obs 1/29 13:53 N 3 2.50mi Light Snow SCT020 BKN026 OVC036 24F 16F 74% NA NA 29.72"Hg
1/30/2017 9:00 AM 0.02 0.2 0.02 M M KOSC AWOS obs 1/30 08:53 NW 6 10.00mi Fair CLR 16F 6F 65% 7F NA 29.91"Hg !st blue sky we've seen in a month. Wow.
1/31/2017 9:30 AM 0.03 0.6 0.03 M M KOSC AWOS obs 1/31 09:34 N 3 3.00mi Light Snow SCT014 OVC021 27F 24F 91% NA NA 29.60"Hg
2/1/2017 11:00 AM 0.14 1.5 0.14 4.5 0.60 KOSC AWOS obs 2/01 10:54 W 13 10.00mi Mostly Cloudy SCT055 BKN080 32F 23F 70% 22F NA 29.88"Hg
2/2/2017 9:00 AM 0.00 0.0 0.00 M M KOSC AWOS obs 2/02 08:54 W 14 10.00mi Overcast OVC042 18F 7F 62% 4F NA 30.10"Hg
2/3/2017 9:00 AM 0.00 0.0 0.00 M M KOSC AWOS obs 2/03 08:53 W 13 10.00mi Overcast OVC049 15F 5F 63% 1F NA 30.20"Hg
2/4/2017 9:00 AM 0.00 0.0 0.00 M M KOSC AWOS obs 2/04 08:55 SW 9 10.00mi Fair CLR 10F 5F 79% -3F NA 30.28"Hg
2/5/2017 9:00 AM T T T M M KOSC AWOS obs 2/05 08:55 SW 9 10.00mi Overcast OVC017 28F 23F 80% 19F NA 29.74"Hg
2/7/2017 5:30 PM 0.16 0.0 0.00 M M KOSC AWOS obs 2/07 17:14 E 7 2.00mi Fog/Mist OVC003 34F 32F 95% 28F NA 29.27"Hg
2/8/2017 9:00 AM 0.12 T T M M KOSC AWOS obs 2/08 08:53 W 16 G 20 10.00mi Light Snow OVC030 24F 15F 67% 11F NA 29.83"Hg
2/10/2017 11:59 AM 0.05 0.7 0.05 M M KOSC AWOS obs 2/10 11:54 S 10 0.75mi Light Snow OVC010 23F 19F 85% 13F NA 29.98"Hg
2/12/2017 10:30 AM 0.10 1.6 0.10 M M KOSC AWOS obs 2/12 10:13 SW 8 2.00mi Light Snow OVC005 34F 32F 94% 27F NA 29.80"Hg
2/13/2017 9:00 AM 0.04 0.6 0.04 M M KOSC AWOS obs 2/13 08:54 NW 8 G 16 10.00mi Overcast OVC032 29F 17F 60% 21F NA 30.19"Hg
2/21/2017 9:00 AM 0.05 0.5 M M M KOSC AWOS obs 2/21 09:33 SW 8 5.00mi Unknown Precip OVC085 40F 37F 89% 35F NA 29.88"Hg
2/26/2017 9:00 AM T T T 0.5 M KOSC AWOS obs 26 08:53 SW 5 10.00mi Fair CLR 26F 18F 73% 20F NA 29.96"Hg
3/1/2017 9:00 AM 1.04 0.0 0.00 0.0 0.00 KOSC AWOS obs 3/01 08:54 N 10 G 17 10.00mi Overcast OVC006 38F 36F 95% 31F NA 29.43"Hg
3/2/2017 9:00 AM 0.26 2.3 0.26 2.3 0.26 KOSC AWOS obs 2/02 08:53 NW 15 G 20 10.00mi Overcast OVC100 15F 7F 71% -0F NA 30.10"Hg
3/3/2017 9:00 AM 0.00 0.0 0.00 M M KOSC AWOS obs 3/03 08:53 NW 8 10.00mi Partly Cloudy SCT050 15F 5F 64% 4F NA 30.40"Hg
3/4/2017 9:00 AM 0.00 0.0 0.00 1.3 0.14 KOSC AWOS obs 3/04 08:53 NW 3 10.00mi Fair CLR 15F 8F 72% NA NA 30.66"Hg
3/5/2017 9:00 AM 0.00 0.0 0.00 M M KOSC AWOS obs 3/05 08:53 SE 10 G 18 10.00mi Overcast OVC070 26F 14F 61% 16F NA 30.50"Hg
3/7/2017 9:00 AM 0.22 0.0 0.00 0.0 0.00 KOSC AWOS obs 3/07 08:54 S 25 G 35 10.00mi Partly Cloudy and Breezy SCT021 SCT040 54F 50F 87% NA NA 29.53"Hg
3/8/2017 9:00 AM 0.00 0.0 0.00 0.0 0.00 KOSC AWOS obs 3/ 08:54 SW 25 G 39 10.00mi Overcast and Breezy BKN070 OVC075 42F 17F 36% 32F NA 29.57"Hg NA Many residents w/o electricity in Iosco and especially Alcona Counties. Many Emerald Ash Borer killed trees broken off and blown over in these very strong winds.
3/9/2017 9:00 AM 0.00 0.0 0.00 0.0 0.00
3/13/2017 9:00 AM 0.07 0.7 0.07 0.7 0.07 KOSC AWOS obs 3/13 08:53 N 3 0.50mi Snow OVC012 19F 16F 86% NA NA 30.39"Hg
3/14/2017 9:00 AM 0.30 6.8 0.30 7.2 0.75 KOSC AWOS obs 3/14 08:54 NW 8 10.00mi Partly Cloudy SCT046 9F 1F 71% -3F NA 30.28"Hg
3/16/2017 9:00 AM 0.00 0.0 0.00 3.0 M KOSC AWOS obs 3/16 08:53 W 5 10.00mi Fair CLR 17F 10F 76% 9F NA 30.19"Hg
3/18/2017 9:00 AM 0.18 1.3 0.18 2.0 0.33 KOSC AWOS obs 3/18 08:53 W 5 0.25mi Fog OVC003 33F 32F 97% 28F NA 29.97"Hg
3/19/2017 9:00 AM 0.00 0.0 0.00 M M
3/20/2017 9:00 AM 0.00 0.0 0.00 M M
3/21/2017 9:00 AM 0.08 0.0 0.00 0.0 M KOSC AWOS obs 3/21 08:53 SW 7 10.00mi Fair CLR 33F 27F 80% 27F NA 29.99
3/22/2017 9:00 AM 0.00 0.0 0.00 0.0 0.00 KOSC AWOS obs 3/22 08:53 NW 10 10.00mi Fair CLR 20F 4F 51% 9F NA 30.56"Hg
3/24/2017 9:00 AM 0.01 0.0 0.00 0.0 0.00
3/25/2017 9:00 AM M 0.0 0.00 0.0 0.00 KOSC AWOS obs 3/25 08:54 NE 15 G 24 10.00mi Overcast OVC006 35F 33F 93% 25F NA 30.29"Hg
3/26/2017 9:00 AM 0.17 0.0 0.00 0.0 0.00 KOSC AWOS obs 3/26 08:53 E 8 7.00mi Overcast OVC016 36F 35F 95% 30F NA 30.09"Hg
3/27/2017 9:00 AM 0.28 0.0 0.00 0.0 0.00 KOSC AWOS obs 3/27 08:33 Calm 4.00mi Fog/Mist OVC007 43F 42F 97% NA NA 29.84"Hg NA
3/28/2017 8:30 AM 0.01 0.0 0.00 0.0 0.00 KOSC AWOS obs 3/28 08:13 N 5 3.00mi Fog/Mist OVC006 38F 37F 97% 34F NA 30.06"Hg
3/31/2017 9:00 AM 0.38 0.0 0.00 0.0 0.00
4/1/2017 9:00 AM 0.03 0.0 0.00 0.0 0.00
4/2/2017 9:00 AM 0.00 0.0 0.00 0.0 0.00
4/3/2017 9:00 AM 0.10 0.0 0.00 0.0 0.00 KOSC AWOS obs 4/03 08:53 SE 6 10.00mi Overcast SCT065 OVC085 45F 38F 77% 42F NA 29.89"Hg NA Currently raining.
4/4/2017 9:00 AM 1.37 0.0 0.00 0.0 0.00 KOSC AWOS obs 4/04 08:54 N 9 7.00mi Unknown Precip OVC004 40F 38F 95% 34F NA 29.34"Hf NA 0.02" (Light rain)
4/5/2017 9:00 AM 0.03 0.0 0.00 0.0 0.00 KOSC AWOS obs 4/05 08:53 Calm 10.00mi Fair CLR 36F 32F 84% NA NA 29.96"Hg
4/6/2017 2:00 PM 0.77 0.4 M 0.4 M
4/10/2017 9:00 AM 0.00 0.0 0.00 0.0 0.00
4/11/2017 8:15 AM 0.52 0.0 0.00 0.0 0.00 KOSC AWOS obs 4/11 07:54 E 8 5.00mi Fog/Mist OVC005 36F 34F 94% 30F NA 30.06"Hg
4/12/2017 9:00 AM T 0.0 0.00 0.0 0.00
4/13/2017 9:00 AM 0.00 0.0 0.00 0.0 0.00
4/14/2017 9:00 AM 0.00 0.0 0.00 0.0 0.00
4/15/2017 9:00 AM 0.47 0.0 0.00 0.0 0.00 KOSC AWOS obs 4/15 08:53 W 3 1.75mi Heavy Rain BKN013 BKN019 OVC060 46F 44F 94% NA NA 30.03"Hg NA
4/16/2017 9:00 AM 0.53 0.0 0.00 0.0 0.00 KOSC AWOS obs 4/16 08:53 SW 15 G 21 10.00mi Overcast SCT012 BKN021 OVC031 60F 59F 96% NA NA 29.69"Hg
4/19/2017 9:00 AM T 0.0 0.00 0.0 0.00 KOSC AWOS obs 4/19 08:53 SW 10 10.00mi Fair CLR 56F 43F 62% NA NA 29.90"Hg
4/20/2017 9:00 AM 0.54 0.0 0.00 0.0 0.00
4/21/2017 8:30 AM 0.21 0.0 0.00 0.0 0.00 KOSC AWOS obs 4/21 08:14 W 15 G 20 10.00mi Overcast OVC016 42F 38F 86% 34F NA 29.82"Hg
4/22/2017 9:00 AM T 0.0 0.00 0.0 0.00 KOSC AWOS obs 4/22 08:54 N 5 10.00mi Fair CLR 42F 30F 62% 39F NA 30.17"Hg
4/23/2017 9:00 AM 0.00 0.0 0.00 0.0 0.00
4/24/2017 9:00 AM 0.00 0.0 0.00 0.0 0.00
4/25/2017 9:00 AM 0.00 0.0 0.00 0.0 0.00
4/26/2017 9:00 AM 0.00 0.0 0.00 0.0 0.00 KOSC AWOS obs 4/26 08:54 S 7 7.00mi Mostly Cloudy BKN060 53F 50F 89% NA NA 29.68"Hg
4/30/2017 9:00 AM 0.46 0.0 0.00 0.0 0.00 KOSC AWOS obs 4/30 08:53 E 17 G 25 2.50mi Unknown Precip OVC007 38F 36F 94% 29F NA 30.19"Hg
5/1/2017 9:00 AM 1.23 0.0 0.00 0.0 0.00 KOSC AWOS obs 5/01 08:53 NE 6 3.00mi Unknown Precip OVC003 42F 41F 97% 38F NA 29.57"Hg
5/2/2017 9:00 AM 0.23 0.0 0.00 0.0 0.00 KOSC AWOS obs 5/2 08:53 SW 10 10.00mi Light Drizzle SCT014 BKN019 OVC060 45F 42F 90% 40F NA 29.38"Hg
5/3/2017 9:00 AM 0.00 0.0 0.00 0.0 0.00
5/4/2017 9:00 AM 0.00 0.0 0.00 0.0 0.00
5/5/2017 9:00 AM 0.00 0.0 0.00 0.0 0.00
5/6/2017 9:00 AM 0.00 0.0 0.00 0.0 0.00 KOSC AWOS obs 5/06 09:13 N 13 G 20 10.00mi Fair CLR 4F8 35F 60% 43F NA 29.63"Hg
5/7/2017 9:00 AM 0.00 0.0 0.00 0.0 0.00
5/8/2017 9:00 AM 0.00 0.0 0.00 0.0 0.00 KOSC AWOS obs 5/08 08:53 N 9 G 16 10.00mi Fair CLR 41F 22F 46% 35F NA 30.05"Hg
5/18/2017 9:00 AM 0.00 0.0 0.00 0.0 0.00
5/21/2017 10:30 AM 0.43 0.0 0.00 0.0 0.00 5/21 10:13 S 5 7.00mmi Overcast OVC004 49F 47F 94% 47F NA 29.95"Hg
5/27/2017 9:00 AM 0.00 0.0 0.00 0.0 0.00
5/28/2017 9:00 AM 0.00 0.0 0.00 0.0 0.00
5/29/2017 9:00 AM 0.06 0.0 0.00 0.0 0.00 5/29 08:53 W 10 10.00mi Fair CLR 64F 54F 72% NA NA 29.70mmHg
6/5/2017 9:00 AM 0.04 0.0 0.00 0.0 0.00
6/15/2017 9:00 AM 0.19 0.0 0.00 0.0 0.00 KOSC AWOS obs 6/15 08:53 SW 3 10.00mi Overcast OVC085 6F7 61F 81% NA NA 29.83"Hg
6/16/2017 9:00 AM 0.78 0.0 0.00 0.0 0.00 KOSC AWOS obs 6/16 08:53 SW 12 10.00mi Fair CLR 74F 61F 65% NA NA 29.79"Hg
6/17/2017 9:00 AM 0.27 0.0 0.00 0.0 0.00 KOSC AWOS obs 6/17 08:52 S 9 G 20 10.00mi Light Rain OVC110 66F 64F 92% NA NA 29.71"Hg
6/18/2017 9:00 AM 0.67 0.0 0.00 0.0 0.00 KOSC AWOS obs 6/18 08:53 S 5 10.00mi Overcast BKN007 OVC011 70F 68F 95% NA NA 29.47"Hg
6/19/2017 9:00 AM 0.02 0.0 0.00 0.0 0.00 KOSC AWOS obs 6/19 08:53 SW 6 10.00mi Fair CLR 66F 58F 76% NA NA 29.72"Hg
6/20/2017 9:00 AM 0.42 0.0 0.00 0.0 0.00 KOSC AWOS obs 6/20 08:53 W 9 10.00mi Overcast OVC008 61F 58F 90% NA NA 29.84"Hg
6/21/2017 9:00 AM 0.00 0.0 0.00 0.0 0.00 KOSC AWOS obs 6/21 08:53 W 12 G 16 10.00mi Fair CLR 61F 55F 81% NA NA 29.97"Hg
6/22/2017 9:00 AM 0.63 0.0 0.00 0.0 0.00 KOSC AWOS obs 6/22 08:53 S 13 5.00mi Heavy Rain SCT033 BKN060 OVC100 62F 60F 93% NA NA 29.87"Hg NA 0.06
6/23/2017 9:00 AM 1.65 0.0 0.00 0.0 0.00 KOSC AWOS obs 6/23 08:53 W 6 10.00mi Overcast OVC004 67F 66F 96% NA NA 29.59"Hg
6/24/2017 9:00 AM 0.00 0.0 0.00 0.0 0.00
6/25/2017 9:00 AM 0.17 0.0 0.00 0.0 0.00 KOSC AWOS obs 6/25 08:53 W 14 10.00mi Fair CLR 59F 53F 82% NA NA 29.92"Hg
6/26/2017 9:00 AM 0.36 0.0 0.00 0.0 0.00 KOSC AWOS obs 6/26 08:53 SW 9 10.00mi Overcast SCT008 OVC050 59F 56F 91% NA NA 29.94"Hg
6/27/2017 9:00 AM 0.01 0.0 0.00 0.0 0.00 KOSC AWOS obs 6/27 08:53 NW 16 G 21 10.00mi Fair CLR 60F 49F 67% NA NA 30.00"Hg
6/28/2017 9:00 AM 0.00 0.0 0.00 0.0 0.00
6/29/2017 9:00 AM 0.26 0.0 0.00 0.0 0.00 KOSC AWOS obs 6/29 08:13 Calm 10.00mi Light Rain SCT038 BKN049 OVC075 64F 62F 95% NA NA 29.76"Hg
7/1/2017 9:00 AM 0.00 0.0 0.00 0.0 0.00 KOSC AWOS obs 7/01 08:53 W 7 10.00mi Mostly Cloudy SCT050 BKN075 BKN120 70F 64F 82% NA NA 29.78"Hg
7/2/2017 9:00 AM 0.00 0.0 0.00 0.0 0.00 KOSC AWOS obs 7/02 08:53 SW 8 G 16 10.00mi Partly Cloudy SCT034 SCT110 69F 58F 70% NA NA 29.93"Hg
7/3/2017 9:00 AM 0.00 0.0 0.00 0.0 0.00
7/4/2017 9:00 AM 0.00 0.0 0.00 0.0 0.00
7/5/2017 9:00 AM 0.00 0.0 0.00 0.0 0.00 KOSC AWOS obs 7/5 08:53 SW 10 G 18 10.00mi Fair CLR 71F 54F 56% NA NA 30.17"Hg
7/6/2017 9:00 AM 0.00 0.0 0.00 0.0 0.00 KOSC AWOS obs 7/06 08:52 SW 8 10.00mi Overcast OVC050 74F 60F 61% NA NA 29.97"Hg
7/7/2017 9:00 AM 1.80 0.0 0.00 0.0 0.00 KOSC AWOS obs 7/07 08:52 W 9 G 21 10.00mi Fair CLR 71F 66F 84% NA NA 29.78"Hg
7/8/2017 9:00 AM 0.06 0.0 0.00 0.0 0.00 KOSC AWOS obs 7/08 08:53 NW 9 10.00mi Fair CLR 64F 55F 71% NA NA 29.93"Hg
7/11/2017 9:00 AM T 0.0 0.00 0.0 0.00 KOSC AWOS obs 7/11 08:52 W 8 10.00mi Fair CLR 71F 67F 87% NA NA 29.89"Hg
7/13/2017 9:00 AM 0.25 0.0 0.00 0.0 0.00 KOSC AWOS obs 7/13 08:53 NE 8 5.00mi Fog/Mist OVC003 65F 64F 97% NA NA 29.94"Hg
7/14/2017 9:00 AM 0.00 0.0 0.00 0.0 0.00 KOSC AWOS obs 7/14 08:53 W 15 G 21 10.00mi Overcast OVC017 66F 60F 83% NA NA 29.99"Hg
7/26/2017 9:00 AM 0.02 0.0 0.00 0.0 0.00 KOSC AWOS obs 7/26 09:14 S 9 G 17 10.00mi Light Rain SCT044 SCT085 OVC110 64F 59F 85% NA NA 30.10"Hg
7/27/2017 9:00 AM 0.07 0.0 0.00 0.0 0.00 KOSC AWOS obs 7/27 08:54 NW 7 10.00mi Overcast BKN007 BKN011 OVC085 70F 67F 90% NA NA 29.97"Hg
7/28/2017 9:00 AM 0.00 0.0 0.00 0.0 0.00 KOSC AWOS obs 7/28 08:54 NE 14 10.00mi Mostly Cloudy BKN049 68F 59F 74% NA NA 30.05"Hg
7/29/2017 9:00 AM 0.00 0.0 0.00 0.0 0.00 KOSC AWOS obs 7/29 08:54 NW 5 10.00mi Fair CLR 66F 56F 69% NA NA 30.13"Hg
7/30/2017 9:00 AM 0.00 0.0 0.00 0.0 0.00 KOSC AWOS obs 7/30 08:54 NW 6 10.00mi Fair CLR 71F 51F 50% NA NA 30.17"Hg
8/3/2017 9:00 AM 0.29 0.0 0.00 0.0 0.00 KOSC AWOS obs 8/03 08:54 E 7 10.00mi Overcast OVC009 66F 62F 88% NA NA 30.10"Hg
8/15/2017 9:00 AM 0.28 0.0 0.00 0.0 0.00 KOSC AWOS obs 8/15 08:54 NW 6 10.00mi Mostly Cloudy BKN110 64F 62F 93% NA NA 29.88"Hg
9/1/2017 9:00 AM 0.00 0.0 0.00 0.0 0.00
9/2/2017 9:00 AM 0.00 0.0 0.00 0.0 0.00
9/3/2017 9:00 AM 0.00 0.0 0.00 0.0 0.00
9/4/2017 9:00 AM 0.00 0.0 0.00 0.0 0.00
9/5/2017 9:00 AM 0.22 0.0 0.00 0.0 0.00 KOSC AWOS obs 9/05 08:54 W 3 10.00mi Overcast SCT060 OVC070 55F 53F 95% NA NA 29.72"Hg
9/6/2017 9:00 AM 0.05 0.0 0.00 0.0 0.00 KOSC AWOS obs 9/06 08:53 NW 6 10.00mi Fair CLR 51F 48F 91% NA NA 29.90"Hg
9/16/2017 9:00 AM 0.00 0.0 0.00 0.0 0.00 KOSC AWOS obs 16 08:54 SW 5 10.00mi Fair CLR 64F 63F 96% NA NA 30.17"Hg
9/17/2017 9:00 AM 0.65 0.0 0.00 0.0 0.00
9/18/2017 9:00 AM 0.00 0.0 0.00 0.0 0.00
9/19/2017 9:00 AM 0.00 0.0 0.00 0.0 0.00
9/20/2017 9:00 AM 0.02 0.0 0.00 0.0 0.00 KOSC AWOS obs 9/20 08:54 Calm 4.00mi Fog/Mist SCT003 BKN050 OVC070 68F 67F 98% NA NA 30.02"Hg
9/21/2017 9:00 AM 0.00 0.0 0.00 0.0 0.00
9/22/2017 9:00 AM 0.00 0.0 0.00 0.0 0.00
9/23/2017 9:00 AM 0.00 0.0 0.00 0.0 0.00
9/24/2017 9:00 AM 0.00 0.0 0.00 0.0 0.00
9/25/2017 9:00 AM 0.00 0.0 0.00 0.0 0.00
9/26/2017 9:00 AM 0.00 0.0 0.00 0.0 0.00



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
9/30/2016 10/05/2016 9:00 AM 6 1.05 0.0 0.00
11/28/2016 11/29/2016 9:00 AM 2 0.83 0.0 0.00 KOSC AWOS obs 11/29 09:14 SW 20 G 24 10.00 Fair CLR 50 44 80% 44 NA 29.47 KOSC AWOS obs 11/28 09:14 S 8 10.00 Overcast OVC090 43 34 70% 38 NA 29.82
12/10/2016 12/11/2016 5:00 PM 2 0.23 3.7 0.23
12/21/2016 12/22/2016 9:00 AM 2 0.44 7.0 M
2/15/2017 2/20/2017 9:00 AM 6 0.00 0.5 M
2/22/2017 2/25/2017 9:00 AM 4 1.61 0.5 M
4/7/2017 4/09/2017 9:00 AM 3 0.24 0.0 0.00
5/22/2017 5/26/2017 9:00 AM 5 0.69 0.0 0.00 Mackinaw Headlands vacation
6/1/2017 6/04/2017 9:00 AM 4 0.25 0.0 0.00 To Aldo Leopold Festival
8/18/2017 8/27/2017 9:00 AM 10 0.68 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