Station Overview Station Location
Station Number MN-LK-9 Latitude 47.412579
Station Name Silver Bay 11.5 NE Longitude -91.105759
County Lake Elevation (ft) 632



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 17 3.33 4.49 30 4.49 30 0.00 0 0 10 0 4.4 2 3
Nov 17 2.36 1.33 29 1.33 29 0.00 0 0 7 0 1.4 3 1
Dec 17 1.35 1.37 23 1.37 23 0.00 0 0 11 2 12.3 11 16
Jan 18 1.21 0.58 30 0.58 30 0.00 0 0 6 2 6.4 6 30
Feb 18 0.89 2.71 28 2.71 28 0.00 0 0 6 3 26.9 6 28
March 18 1.55 0.09 23 0.09 23 0.00 0 0 1 1 1.2 1 22
April 18 2.60 0.83 3 0.83 3 0.00 0 0 3 0 6.3 2 0
May 18 3.15 2.15 31 2.15 31 0.00 0 0 11 1 0.0 0 0
June 18 3.82 4.92 30 4.92 30 0.00 0 0 14 1 0.0 0 0
July 18 3.43 2.25 31 2.25 31 0.00 0 0 7 0 0.0 0 0
Aug 18 3.28 3.02 31 3.02 31 0.00 0 0 11 0 0.0 0 0
Sept 18 3.45 2.73 8 2.73 8 0.00 0 0 8 0 0.0 0 0
Water Year Totals: 30.42" 26.47" 297 days 26.47" 297 0.00" 0 days 0 95 days 10 days 58.9" 31 days 100 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
10/1/2017 0.12
10/2/2017
10/3/2017 1.71
10/4/2017 0.09
10/5/2017 0.00
10/6/2017 0.00
10/7/2017 0.06
10/8/2017 0.00
10/9/2017 0.00
10/10/2017 0.00
10/11/2017 0.00
10/12/2017 0.00
10/13/2017 0.00
10/14/2017 0.00
10/15/2017 0.31
10/16/2017 0.00
10/17/2017 0.00
10/18/2017 0.00
10/19/2017 0.00
10/20/2017 0.00
10/21/2017 0.00
10/22/2017 0.10
10/23/2017 0.00
10/24/2017 0.02
10/25/2017 0.00
10/26/2017 0.00
10/27/2017 1.47
10/28/2017 0.58
10/29/2017 0.00
10/30/2017 0.03
10/31/2017 0.00
11/1/2017 0.00
11/2/2017 0.55
11/3/2017 0.00
11/4/2017 0.41
11/5/2017
11/6/2017 0.00
11/7/2017 0.00
11/8/2017 0.00
11/9/2017 0.00
11/10/2017 0.00
11/11/2017 0.04
11/12/2017 0.00
11/13/2017 0.00
11/14/2017 0.00
11/15/2017 0.03
11/16/2017 0.00
11/17/2017 0.02
11/18/2017 0.23
11/19/2017 0.00
11/20/2017 0.00
11/21/2017 0.00
11/22/2017 0.00
11/23/2017 0.00
11/24/2017 0.00
11/25/2017 0.05
11/26/2017 0.00
11/27/2017 0.00
11/28/2017 0.00
11/29/2017 0.00
11/30/2017 0.00
12/1/2017 0.00
12/2/2017 0.00
12/3/2017 0.00
12/4/2017 0.13
12/5/2017 0.21
12/6/2017 0.00
12/7/2017 0.00
12/8/2017 T
12/9/2017 0.04
12/10/2017 0.02
12/11/2017 0.09
12/12/2017 0.03
12/13/2017 0.27
12/14/2017 0.38
12/15/2017 0.00
12/16/2017 T
12/17/2017 0.09
12/18/2017 0.00
12/19/2017 0.05
12/20/2017 0.00
12/21/2017
12/22/2017
12/23/2017
12/24/2017
12/25/2017
12/26/2017
12/27/2017
12/28/2017
12/29/2017 0.06
12/30/2017 0.00
12/31/2017 0.00
Day of YearDaily PrcpMultiday Prcp
1/1/2018 0.00
1/2/2018 0.00
1/3/2018 0.04
1/4/2018 0.00
1/5/2018 0.00
1/6/2018 0.00
1/7/2018 0.00
1/8/2018 0.00
1/9/2018 0.00
1/10/2018 0.00
1/11/2018 0.05
1/12/2018 0.07
1/13/2018 0.00
1/14/2018 0.00
1/15/2018 0.17
1/16/2018 0.04
1/17/2018 0.00
1/18/2018 0.00
1/19/2018 0.00
1/20/2018 0.00
1/21/2018 0.00
1/22/2018 T
1/23/2018 0.00
1/24/2018 0.00
1/25/2018 T
1/26/2018
1/27/2018 0.00
1/28/2018 0.00
1/29/2018 0.00
1/30/2018 0.00
1/31/2018 0.21
2/1/2018 0.00
2/2/2018 0.00
2/3/2018 0.01
2/4/2018 0.01
2/5/2018 0.00
2/6/2018 0.00
2/7/2018 0.00
2/8/2018 0.00
2/9/2018 0.00
2/10/2018 0.00
2/11/2018 0.00
2/12/2018 0.00
2/13/2018 T
2/14/2018 0.00
2/15/2018 0.00
2/16/2018 0.00
2/17/2018 0.00
2/18/2018 0.00
2/19/2018 1.39
2/20/2018 0.16
2/21/2018 T
2/22/2018 0.00
2/23/2018 0.36
2/24/2018 T
2/25/2018 0.78
2/26/2018 0.00
2/27/2018 0.00
2/28/2018 0.00
3/1/2018 0.00
3/2/2018 0.00
3/3/2018 0.00
3/4/2018 T
3/5/2018 0.00
3/6/2018 0.00
3/7/2018 0.00
3/8/2018 0.00
3/9/2018 0.00
3/10/2018 0.00
3/11/2018 0.00
3/12/2018 0.00
3/13/2018 0.00
3/14/2018 0.00
3/15/2018 0.00
3/16/2018 0.00
3/17/2018 0.00
3/18/2018 0.00
3/19/2018 0.00
3/20/2018 0.00
3/21/2018 0.00
3/22/2018 0.00
3/23/2018
3/24/2018
3/25/2018
3/26/2018
3/27/2018 0.09
3/28/2018
3/29/2018
3/30/2018
3/31/2018
Day of YearDaily PrcpMultiday Prcp
4/1/2018
4/2/2018
4/3/2018
4/4/2018
4/5/2018
4/6/2018
4/7/2018
4/8/2018
4/9/2018
4/10/2018
4/11/2018
4/12/2018
4/13/2018 0.07
4/14/2018
4/15/2018
4/16/2018
4/17/2018 0.75
4/18/2018
4/19/2018
4/20/2018
4/21/2018
4/22/2018
4/23/2018
4/24/2018
4/25/2018
4/26/2018 0.01
4/27/2018
4/28/2018
4/29/2018
4/30/2018
5/1/2018 0.06
5/2/2018 0.00
5/3/2018 0.01
5/4/2018 0.00
5/5/2018 0.01
5/6/2018 0.00
5/7/2018 0.00
5/8/2018 0.00
5/9/2018 0.28
5/10/2018 0.07
5/11/2018 0.00
5/12/2018 0.00
5/13/2018 0.00
5/14/2018 0.00
5/15/2018 0.00
5/16/2018 T
5/17/2018 0.00
5/18/2018 0.00
5/19/2018 0.03
5/20/2018 0.00
5/21/2018 0.00
5/22/2018 0.00
5/23/2018 0.00
5/24/2018 0.00
5/25/2018 0.01
5/26/2018 0.10
5/27/2018 0.00
5/28/2018 0.18
5/29/2018 0.00
5/30/2018 0.23
5/31/2018 1.17
6/1/2018 0.11
6/2/2018 0.03
6/3/2018 0.41
6/4/2018 0.06
6/5/2018 0.00
6/6/2018 T
6/7/2018 0.02
6/8/2018 0.00
6/9/2018 0.00
6/10/2018 0.12
6/11/2018 0.00
6/12/2018 0.00
6/13/2018 0.03
6/14/2018 0.00
6/15/2018 0.87
6/16/2018 0.10
6/17/2018 1.30
6/18/2018 0.55
6/19/2018 0.00
6/20/2018 0.00
6/21/2018 0.00
6/22/2018 0.00
6/23/2018 0.00
6/24/2018 0.00
6/25/2018 0.00
6/26/2018 0.00
6/27/2018 0.00
6/28/2018 0.10
6/29/2018 0.13
6/30/2018 1.09
Day of YearDaily PrcpMultiday Prcp
7/1/2018 0.00
7/2/2018 0.89
7/3/2018 0.04
7/4/2018 0.00
7/5/2018 0.17
7/6/2018 0.00
7/7/2018 0.00
7/8/2018 0.00
7/9/2018 0.68
7/10/2018 0.00
7/11/2018 0.00
7/12/2018 0.35
7/13/2018 0.00
7/14/2018 0.00
7/15/2018 0.00
7/16/2018 0.00
7/17/2018 0.00
7/18/2018 0.00
7/19/2018 0.00
7/20/2018 0.00
7/21/2018 0.00
7/22/2018 0.00
7/23/2018 0.00
7/24/2018 0.00
7/25/2018 0.00
7/26/2018 0.04
7/27/2018 0.00
7/28/2018 0.00
7/29/2018 0.00
7/30/2018 0.00
7/31/2018 0.08
8/1/2018 0.54
8/2/2018 0.00
8/3/2018 0.00
8/4/2018 0.01
8/5/2018 0.95
8/6/2018 0.13
8/7/2018 0.00
8/8/2018 0.03
8/9/2018 0.00
8/10/2018 0.00
8/11/2018 0.00
8/12/2018 0.00
8/13/2018 0.00
8/14/2018 0.00
8/15/2018 0.00
8/16/2018 0.00
8/17/2018 0.00
8/18/2018 0.00
8/19/2018 0.00
8/20/2018 0.00
8/21/2018 0.00
8/22/2018 0.00
8/23/2018 0.00
8/24/2018 0.59
8/25/2018 0.02
8/26/2018 0.30
8/27/2018 0.36
8/28/2018 0.00
8/29/2018 0.03
8/30/2018 0.00
8/31/2018 0.06
9/1/2018 0.15
9/2/2018 0.02
9/3/2018
9/4/2018 0.22
9/5/2018
9/6/2018
9/7/2018
9/8/2018
9/9/2018
9/10/2018 0.02
9/11/2018
9/12/2018
9/13/2018
9/14/2018
9/15/2018 0.63
9/16/2018
9/17/2018
9/18/2018
9/19/2018
9/20/2018 0.31
9/21/2018 1.35
9/22/2018
9/23/2018 0.03
9/24/2018
9/25/2018
9/26/2018
9/27/2018
9/28/2018
9/29/2018
9/30/2018



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2017 7:00 AM 0.12 M M M M Lt rain showers
10/3/2017 7:00 AM 1.71 M M M M Rainfall began 5 PM continues at 7 AM obs time. heaviest showers 12:30-1 AM, rainfall rate 6.13 in/hr
10/4/2017 7:00 AM 0.09 M M M M Rain showers ended 9 AM
10/5/2017 7:00 AM 0.00 0.0 M M M
10/6/2017 7:00 AM 0.00 0.0 M M M
10/7/2017 7:00 AM 0.06 M M M M Lt rain showers
10/8/2017 7:00 AM 0.00 0.0 M M M
10/9/2017 7:00 AM 0.00 0.0 M M M
10/10/2017 7:00 AM 0.00 0.0 M M M Frost on rooftops, min temp 32
10/11/2017 7:00 AM 0.00 0.0 M M M
10/12/2017 7:00 AM 0.00 0.0 M M M
10/13/2017 7:00 AM 0.00 0.0 M M M
10/14/2017 7:00 AM 0.00 0.0 M M M
10/15/2017 7:00 AM 0.31 M M M M Rain showers
10/16/2017 7:00 AM 0.00 0.0 M M M
10/17/2017 7:00 AM 0.00 0.0 M M M
10/18/2017 7:00 AM 0.00 0.0 M M M
10/19/2017 7:00 AM 0.00 0.0 M M M
10/20/2017 7:00 AM 0.00 0.0 M M M
10/21/2017 7:00 AM 0.00 0.0 M M M
10/22/2017 7:00 AM 0.10 M M M M Lt rain showers, mist
10/23/2017 7:00 AM 0.00 0.0 M M M
10/24/2017 7:00 AM 0.02 M M M M Brief shower 8 AM NW gale 7 PM thru the night. Sustained winds 30+ mph 10 PM- 1 AM. Power outage 8 PM - 1 AM, sporadic outages thru the night
10/25/2017 7:00 AM 0.00 0.0 M M M 30+ mph NW gusts subsided after 1 PM
10/26/2017 7:00 AM 0.00 0.0 M M M
10/27/2017 7:00 AM 1.47 2.4 0.39 2.5 M Rain changed to heavy wet snow at 4 AM Peak wind NNE 27 mph 1 AM
10/28/2017 7:00 AM 0.58 2.0 0.38 2.0 0.38 Snow accumulation ended 8 AM, rain-snow mix 11 AM- 4 PM. Snow cover 60 pct. 12 to 14 foot waves washed through the vegetation line, destroyed our boathouse deck.
10/29/2017 7:00 AM 0.00 0.0 0.00 2.0 0.30 30 pct crusty 2 inch snow cover. Erosion of vegetation line and beaches continues with Lake Superior surf running 2-4 ft.
10/30/2017 7:00 AM 0.03 0.0 0.00 0.0 0.00 Snow showers, very light rain, Noon
10/31/2017 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/1/2017 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/2/2017 7:00 AM 0.55 0.6 0.08 0.0 0.00 Rain-snow mix 3-5 PM, all rain 5 PM - 1 AM, icy mix after 1 AM coated top of plexiglas rain gauge
11/3/2017 7:00 AM 0.00 0.0 0.00 0.0 0.00 Lt rain
11/4/2017 7:00 AM 0.41 0.0 0.00 0.0 0.00 Rain
11/6/2017 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/7/2017 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/8/2017 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/9/2017 7:00 AM 0.00 0.0 0.00 0.0 0.00 Lt snow accumulation 5-8 PM west and north at elevations 200 to 600 feet above Lake Superior, between Little Marais and Finland, MN
11/10/2017 7:00 AM 0.00 0.0 0.00 0.0 0.00 Brief heavy snow squalls 12:30- 2 PM
11/11/2017 7:00 AM 0.04 0.5 0.04 0.5 0.04 Snow shower
11/12/2017 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/13/2017 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/14/2017 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/15/2017 7:00 AM 0.03 0.0 0.00 0.0 0.00 Lt rain at 7 AM obs time, Dense fog 7 PM thru the night
11/16/2017 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/17/2017 7:00 AM 0.02 0.0 0.00 0.0 0.00 Lt rain-icy mix
11/18/2017 7:00 AM 0.23 0.3 0.07 0.0 0.07 Lt rain, slushy snow. Icy glaze remains on driveway, hard surfaces, and Highway 61 shoulders
11/19/2017 7:00 AM 0.00 0.0 0.00 0.0 0.00 Snow flurries
11/20/2017 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/21/2017 7:00 AM 0.00 0.0 0.00 0.0 0.00 Gale force winds after midnight. Peak gust NW @ 37 mph. Wind blown snow showers after 6:30 AM
11/22/2017 7:00 AM 0.00 0.0 0.00 0.0 0.00 Strong wind gusts until sunset, peak gust NW @ 29 mph
11/23/2017 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/24/2017 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/25/2017 7:00 AM 0.05 0.0 0.00 0.0 0.00 Lt rain showers
11/26/2017 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/27/2017 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/28/2017 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/29/2017 7:00 AM 0.00 0.0 0.00 0.0 0.00 Near gale force wind gusts, peak gust WNW @ 3i MPH 1 PM
11/30/2017 7:00 AM 0.00 0.0 0.00 0.0 0.00
12/1/2017 7:00 AM 0.00 0.0 0.00 0.0 0.00
12/2/2017 7:00 AM 0.00 0.0 0.00 0.0 0.00
12/3/2017 7:00 AM 0.00 0.0 0.00 0.0 0.00
12/4/2017 7:00 AM 0.13 0.0 0.00 0.0 0.00 Lt rain showers
12/5/2017 7:00 AM 0.21 0.3 0.04 0.5 0.04 Drizzle, mist, fog Noon- 5 PM, visibility 1/2 mile Rain showers 2 PM - 1 AM. Frequent wind gusts NW @ 30+ mph
12/6/2017 7:00 AM 0.00 0.0 0.00 0.0 0.00 Gale force NW wind gusts subsided after 4 PM
12/7/2017 7:00 AM 0.00 0.0 0.00 0.0 0.00 Gale force NW wind gusts 10 AM - 2 AM, peak gust 35 mph
12/8/2017 7:00 AM T 0.2 T 0.0 0.00 .2 inches wind-blown snow yielded a single drop of liquid
12/9/2017 7:00 AM 0.04 0.5 0.04 0.5 0.04 Lt snow showers
12/10/2017 7:00 AM 0.02 0.3 M 1.0 0.08 About 2 inches new snow a mile west to Finland MN 7 - 9 PM
12/11/2017 7:00 AM 0.09 0.8 0.09 1.5 0.13 Lt snow falling at 7 AM obs time
12/12/2017 7:00 AM 0.03 0.4 0.03 2.0 0.15 Snow showers. First subzero temperature this fall, -4F
12/13/2017 7:00 AM 0.27 4.0 0.27 6.0 0.40 Mdt - Hvy snow at 7 AM obs time
12/14/2017 7:00 AM 0.38 4.0 0.38 9.0 0.83 Heavy snow 2.5 inches Noon - 2 PM
12/15/2017 7:00 AM 0.00 0.0 0.00 6.5 0.80 Blowing snow, NW wind 15 g 22 mph 9 PM - 4 AM
12/16/2017 7:00 AM T T T 5.5 0.79 Lt snow, mist
12/17/2017 7:00 AM 0.09 1.0 0.09 6.5 0.85 Lt snow showers
12/18/2017 7:00 AM 0.00 0.0 0.00 5.5 0.85
12/19/2017 7:00 AM 0.05 0.3 0.05 5.0 0.78 Lt snow, blowing snow, Temperature above freezing 22 hours
12/20/2017 7:00 AM 0.00 0.0 0.00 5.0 0.75 Blowing snow, peak gust WNW 34 mph 10 AM
12/29/2017 7:00 AM 0.06 0.5 0.06 8.0 0.91 Total snow accumulation since we left home Dec 22 3.5 inches
12/30/2017 7:00 AM 0.00 0.0 0.00 8.0 0.90 NW gale force gusts subsided after 6 AM. Peak gusts 35 mph. Min temperature -11 at 7 AM
12/31/2017 7:00 AM 0.00 0.0 0.00 7.0 0.78 Freq NW gale force wind gusts, windchill -35 to -53, min temp -18, max temp +6
1/1/2018 7:00 AM 0.00 0.0 0.00 7.0 0.75 Gale force wind gusts subsided after 11 AM, max temp +2, min -18
1/2/2018 7:00 AM 0.00 0.0 0.00 7.0 0.75
1/3/2018 7:00 AM 0.04 0.4 0.04 7.5 0.79 Lt snow
1/4/2018 7:00 AM 0.00 0.0 0.00 7.5 0.84
1/5/2018 7:00 AM 0.00 0.0 0.00 7.0 0.80
1/6/2018 7:00 AM 0.00 0.0 0.00 7.0 0.80
1/7/2018 7:00 AM 0.00 0.0 0.00 7.0 0.80 Blowing snow, minor dirfting lakeside
1/8/2018 7:00 AM 0.00 0.0 0.00 7.0 0.80
1/9/2018 7:00 AM 0.00 0.0 0.00 7.0 0.80
1/10/2018 7:00 AM 0.00 0.0 0.00 7.0 0.80
1/11/2018 7:00 AM 0.05 0.0 0.00 6.5 0.75 Lt rain, drizzle, dense fog after 6 PM, new nowfall began just before 7 AM obs time
1/12/2018 7:00 AM 0.07 0.7 0.07 7.0 0.75 Lt snow, blowing drifting snow. Extreme windchill 11 AM thru the night. Frequent NWE wind gusts 30+ mph, subsided after 6 AM
1/13/2018 7:00 AM 0.00 0.0 0.00 7.0 0.75
1/14/2018 7:00 AM 0.00 0.0 0.00 6.0 0.64
1/15/2018 7:00 AM 0.17 2.5 0.17 8.5 0.58 Mdt occ hvy snow showers Noon - 10 PM, lt snow, blowing snow at 7 AM obs time
1/16/2018 7:00 AM 0.04 1.0 0.04 9.0 1.04 Snow showers, blowing, drifting snow
1/17/2018 7:00 AM 0.00 0.0 0.00 9.0 1.04 Melted value of 9 inches snow core revised upward
1/18/2018 7:00 AM 0.00 0.0 0.00 7.5 1.14 Lt snow began at 7 AM obs time this morning
1/19/2018 7:00 AM 0.00 0.0 0.00 7.5 1.19
1/20/2018 7:00 AM 0.00 0.0 0.00 6.5 1.00
1/21/2018 7:00 AM 0.00 0.0 0.00 6.5 1.00 Large areas of snow-free ground lakeside at Little Marais
1/22/2018 7:00 AM T 0.0 0.00 6.5 1.00 Icy glaze on hard surfaces, an inch of hard crust atop snowcover
1/23/2018 7:00 AM 0.00 0.0 0.00 6.5 1.00
1/24/2018 7:00 AM 0.00 0.0 0.00 6.5 1.00 Inch thick icy crust atop snowcover.
1/25/2018 7:00 AM T 0.1 T 6.5 1.00 Very light snow confined to lakeside of Hwy 61
1/27/2018 7:00 AM 0.00 0.0 0.00 6.0 0.90 Max temp 46, above freezing 24 hours
1/28/2018 7:00 AM 0.00 0.0 0.00 6.0 0.90
1/29/2018 7:00 AM 0.00 0.0 0.00 6.0 0.90
1/30/2018 7:00 AM 0.00 0.0 0.00 6.0 0.90 Skim ice covers Lake Superior for the first time this season
1/31/2018 7:00 AM 0.21 1.7 0.21 7.5 1.24 Windblown snow left no uniform coverage except in sheltered area. Thick ice developed on Lake Superior by noon, broke up and cleared in strong south wind.
2/1/2018 7:00 AM 0.00 0.0 0.00 7.0 1.15
2/2/2018 7:00 AM 0.00 0.0 0.00 7.0 1.15 Skim ice covers Lake Superior at Little Marais. Min temp -12
2/3/2018 7:00 AM 0.01 0.3 0.01 7.0 0.80
2/4/2018 7:00 AM 0.01 0.3 M 7.0 0.80
2/5/2018 7:00 AM 0.00 0.0 0.00 6.5 0.80
2/6/2018 7:00 AM 0.00 0.0 0.00 6.5 1.02 Min temp -19, skim ice covers Lake Superior
2/7/2018 7:00 AM 0.00 0.0 0.00 6.5 1.02 Melted core revised upward. 6.5 inches of loosely crushed ice.
2/8/2018 7:00 AM 0.00 0.0 0.00 6.5 1.00
2/9/2018 7:00 AM 0.00 0.0 0.00 6.5 1.00
2/10/2018 7:00 AM 0.00 0.0 0.00 6.5 1.00
2/11/2018 7:00 AM 0.00 0.0 0.00 6.5 1.00
2/12/2018 7:00 AM 0.00 0.0 0.00 6.5 1.00
2/13/2018 7:00 AM T T T 6.5 1.00 Very light snow dusting
2/14/2018 7:00 AM 0.00 0.0 0.00 6.5 1.00 Near gale force wind gusts, peak wind SW @ 29 mph, 5-7 foot surf on Lake Superior. Max temp 33
2/15/2018 7:00 AM 0.00 0.0 0.00 6.5 1.00 Temperature above freezing 9 AM -7 AM. Snow cover 60% within 200 feet of shore. 5-9 inches in open ares near our house. Max temp 40
2/16/2018 7:00 AM 0.00 0.0 0.00 6.5 0.97
2/17/2018 7:00 AM 0.00 0.0 0.00 6.5 0.97
2/18/2018 7:00 AM 0.00 0.0 0.00 6.5 0.97 Very light snow began this morning at 7:30 AM
2/19/2018 7:00 AM 1.39 11.0 1.39 18.0 2.35
2/20/2018 7:00 AM 0.16 2.3 0.16 17.0 2.50
2/21/2018 7:00 AM T T T 16.0 2.43
2/22/2018 7:00 AM 0.00 0.0 0.00 16.0 2.35 Steady sw breeze off Lake Superior created 2-3 ft snowdrifts lakeside.
2/23/2018 7:00 AM 0.36 4.5 0.36 19.0 2.70 Lt- mdt snow continues Lk Superior ice covered 100% within 3 miles Hwy 61 plowed but snow covered
2/24/2018 7:00 AM T T T 17.5 2.55 Very lt snow showers froze to a hard crust. Lk Superior ice cover cleared by noon.
2/25/2018 7:00 AM 0.78 8.5 0.78 26.0 3.33 snowfal ended 5 AM, blowing drifting with NW wind 20 - 32 mph
2/26/2018 7:00 AM 0.00 0.0 0.00 23.0 3.10 Drifting snow filled walking paths and steps more than 10 inches 8 AM - 2 PM. Peak wind gust NW 33 mph
2/27/2018 7:00 AM 0.00 0.0 0.00 22.0 3.10 Drifting continued on steady breeze off Lake Superior. Pk wind SW @ 25 mph. Snow cover packed with hard crust.
2/28/2018 7:00 AM 0.00 0.0 0.00 18.0 3.05 Wide ranging snow depth 6 to 23 inches.
3/1/2018 7:00 AM 0.00 0.0 0.00 16.0 2.71
3/2/2018 7:00 AM 0.00 0.0 0.00 16.0 2.70
3/3/2018 7:00 AM 0.00 0.0 0.00 16.0 2.70
3/4/2018 7:00 AM T T T 16.0 2.70 Frosty coating, unseen precip
3/5/2018 7:00 AM 0.00 0.0 0.00 15.0 2.55
3/6/2018 7:00 AM 0.00 0.0 0.00 14.0 2.40 Pk wind ENE 35 mph, much stonger on Lake Superior and nearby Superior Ridge. Storm surge washing in to vegetation line. Wave heights exceed 12 feet a mile off shore
3/7/2018 7:00 AM 0.00 0.0 0.00 13.0 2.25
3/8/2018 7:00 AM 0.00 0.0 0.00 13.0 2.25
3/9/2018 7:00 AM 0.00 0.0 0.00 13.0 2.25
3/10/2018 7:00 AM 0.00 0.0 0.00 13.0 2.25
3/11/2018 7:00 AM 0.00 0.0 0.00 12.0 2.08 Snow depth range 6 to 19 inches
3/12/2018 7:00 AM 0.00 0.0 0.00 12.0 2.08
3/13/2018 7:00 AM 0.00 0.0 0.00 12.0 2.08
3/14/2018 7:00 AM 0.00 0.0 0.00 12.0 2.08
3/15/2018 7:00 AM 0.00 0.0 0.00 12.0 2.00
3/16/2018 7:00 AM 0.00 0.0 0.00 10.0 1.88
3/17/2018 7:00 AM 0.00 0.0 0.00 10.0 1.80
3/18/2018 7:00 AM 0.00 0.0 0.00 10.0 1.80 Temperature dropped from 47 to 33 in half an hour when a massive ice sheet moved to shore a 9 AM. Ice broke up by 2 PM.
3/19/2018 7:00 AM 0.00 0.0 0.00 8.0 1.40 Snow depth previously measured now is bare ground. About 60% snow cover. Less than 3 inches lakeside.
3/20/2018 7:00 AM 0.00 0.0 0.00 8.0 1.40 Snow flurries at sunrise on the 20th. 60% snowcover, range 3 inches near shoreline to 12 inches in shade
3/21/2018 7:00 AM 0.00 0.0 0.00 8.0 1.40
3/22/2018 7:00 AM 0.00 0.0 0.00 8.0 1.40
3/27/2018 7:00 AM 0.09 1.2 0.09 M M Snow
4/13/2018 7:00 AM 0.07 0.3 0.07 M M Snow
4/17/2018 7:00 AM 0.75 6.0 0.75 M M Snow
4/26/2018 7:00 AM 0.01 M M M M Rain
5/1/2018 7:00 AM 0.06 M M M M
5/2/2018 7:00 AM 0.00 0.0 M M M
5/3/2018 7:00 AM 0.01 M M M M
5/4/2018 7:00 AM 0.00 0.0 M M M
5/5/2018 7:00 AM 0.01 M M M M
5/6/2018 7:00 AM 0.00 0.0 M M M
5/7/2018 7:00 AM 0.00 0.0 M M M
5/8/2018 7:00 AM 0.00 0.0 M M M Rain showers began 7 AM May 8
5/9/2018 7:00 AM 0.28 M M M M Heavy raun shower 7-7:15 AM, light rain showers thru 1 AM
5/10/2018 7:00 AM 0.07 M M M M Lt rain, dense fog 5-8 PM
5/11/2018 7:00 AM 0.00 0.0 M M M
5/12/2018 7:00 AM 0.00 0.0 M M M
5/13/2018 7:00 AM 0.00 0.0 M M M
5/14/2018 7:00 AM 0.00 0.0 M M M
5/15/2018 7:00 AM 0.00 0.0 M M M
5/16/2018 7:00 AM T M M M M Sprinkles 6 AM
5/17/2018 7:00 AM 0.00 0.0 M M M
5/18/2018 7:00 AM 0.00 0.0 M M M
5/19/2018 7:00 AM 0.03 M M M M Lt rain
5/20/2018 7:00 AM 0.00 0.0 M M M
5/21/2018 7:00 AM 0.00 0.0 M M M
5/22/2018 7:00 AM 0.00 0.0 M M M
5/23/2018 7:00 AM 0.00 0.0 M M M
5/24/2018 7:00 AM 0.00 0.0 M M M
5/25/2018 7:00 AM 0.01 M M M M Fog on Lk Superior, brief shower 11 AM
5/26/2018 7:00 AM 0.10 M M M M Hvy downpour 3 PM, rainfall rate 3.9 inches/hr
5/27/2018 7:00 AM 0.00 0.0 M M M Dense fog on Lk Superior over night
5/28/2018 7:00 AM 0.18 M M M M Thundershowers, fog
5/29/2018 7:00 AM 0.00 0.0 M M M
5/30/2018 7:00 AM 0.23 M M M M Thunderstorms 7-11 PM
5/31/2018 7:00 AM 1.17 M M M M Thunder showers 8- 11:30 AM, Steady rain, fog Noon-11 PM
6/1/2018 7:00 AM 0.11 M M M M Lt rain, drizzle, fog after 9 PM Rapid swings in temperature 11 AM - 9 PM 48 to 80 degrees
6/2/2018 7:00 AM 0.03 M M M M Drizzle and dense fog lifted 10 AM
6/3/2018 7:00 AM 0.41 M M M M Hvy rain showers 3-6 PM, distant thunder 9-10 PM
6/4/2018 7:00 AM 0.06 M M M M Brief rain showers
6/5/2018 7:00 AM 0.00 0.0 M M M
6/6/2018 7:00 AM T M M M M Lt rain
6/7/2018 7:00 AM 0.02 0.0 M M M Lt rain
6/8/2018 7:00 AM 0.00 0.0 M M M
6/9/2018 7:00 AM 0.00 0.0 M M M
6/10/2018 7:00 AM 0.12 M M M M Rain shwrs
6/11/2018 7:00 AM 0.00 0.0 M M M
6/12/2018 7:00 AM 0.00 0.0 M M M
6/13/2018 7:00 AM 0.03 M M M M Lt showers, mist
6/14/2018 7:00 AM 0.00 0.0 M M M Max temp 91
6/15/2018 7:00 AM 0.87 M M M M Hvy tstms, dense fog
6/16/2018 7:00 AM 0.10 M M M M Thunder showers ended 10 AM. Dense fog/mist continued to 8 PM. Visibility 100-200 ft along Hwy 61 Silver Bay to Little Marais
6/17/2018 7:00 AM 1.30 M M M M Hvy tstm 11:30 AM, rainfall rate 4.5 in/hr/ Tstms 11 PM- 2 AM, lt rain. Dense fog continues
6/18/2018 6:00 AM 0.55 M M M M Tstms. Dense fog all day moved offshore 8 PM
6/19/2018 7:00 AM 0.00 0.0 M M M
6/20/2018 7:00 AM 0.00 0.0 M M M
6/21/2018 7:00 AM 0.00 0.0 M M M
6/22/2018 7:00 AM 0.00 0.0 M M M
6/23/2018 7:00 AM 0.00 0.0 M M M
6/24/2018 7:00 AM 0.00 0.0 M M M
6/25/2018 7:00 AM 0.00 0.0 M M M
6/26/2018 7:00 AM 0.00 0.0 M M M
6/27/2018 7:00 AM 0.00 0.0 M M M
6/28/2018 7:00 AM 0.10 M M M M Brief thundershower
6/29/2018 7:00 AM 0.13 M M M M Thunderstorm. Dense fog after 6 AM
6/30/2018 7:00 AM 1.09 M M M M Hvy thunderstorm 8 - 9 :30 AM, Thunder shower 2:30-3 AM, dense fog 10-11 AM
7/1/2018 7:00 AM 0.00 0.0 M M M Dense Lake Superior fog throughout 24 hrs
7/2/2018 7:00 AM 0.89 M M M M Rain, fog
7/3/2018 7:00 AM 0.04 M M M M Light rain
7/4/2018 7:00 AM 0.00 0.0 M M M Dense fog continues on Lk Superior
7/5/2018 7:00 AM 0.17 M M M M Tstm
7/6/2018 7:00 AM 0.00 0.0 M M M
7/7/2018 7:00 AM 0.00 0.0 M M M
7/8/2018 7:00 AM 0.00 0.0 M M M Thunder showers immediatley west at 7 AM obs time
7/9/2018 7:00 AM 0.68 M M M M Hvy thunderstorm 10:30-midnight, showers and thunderstorms, dense fog from 7 AM thru 5 AM
7/10/2018 7:00 AM 0.00 0.0 M M M Max temp 96
7/11/2018 7:00 AM 0.00 0.0 M M M
7/12/2018 7:00 AM 0.35 M M M M Thunder showers 9:30 AM - Noon, Rain showers 10 PM -5 AM
7/13/2018 7:00 AM 0.00 0.0 M M M
7/14/2018 7:00 AM 0.00 0.0 M M M
7/15/2018 7:00 AM 0.00 0.0 M M M
7/16/2018 7:00 AM 0.00 0.0 M M M
7/17/2018 7:00 AM 0.00 0.0 M M M
7/18/2018 7:00 AM 0.00 0.0 M M M Cold Lk Superior fog moved on shore at 7AM obs time
7/19/2018 7:00 AM 0.00 0.0 M M M
7/20/2018 7:00 AM 0.00 0.0 M M M
7/21/2018 7:00 AM 0.00 0.0 M M M
7/22/2018 7:00 AM 0.00 0.0 M M M
7/23/2018 7:00 AM 0.00 0.0 M M M
7/24/2018 7:00 AM 0.00 0.0 M M M
7/25/2018 7:00 AM 0.00 0.0 M M M
7/26/2018 7:00 AM 0.04 M M M M
7/27/2018 7:00 AM 0.00 0.0 M M M
7/28/2018 7:00 AM 0.00 0.0 M M M
7/29/2018 7:00 AM 0.00 0.0 M M M
7/30/2018 7:00 AM 0.00 0.0 M M M
7/31/2018 7:00 AM 0.08 M M M M
8/1/2018 7:00 AM 0.54 M M M M
8/2/2018 7:00 AM 0.00 0.0 M M M
8/3/2018 7:00 AM 0.00 0.0 M M M
8/4/2018 7:00 AM 0.01 M M M M
8/5/2018 7:00 AM 0.95 M M M M Tstm 7-8:30 AM, showers 12-6:30 PM
8/6/2018 7:00 AM 0.13 M M M M Tstm
8/7/2018 7:00 AM 0.00 0.0 M M M
8/8/2018 7:00 AM 0.03 M M M M Tstm 5:30- 7 PM, 1/4 hail covered ground, peak wind gust 28 mph
8/9/2018 7:00 AM 0.00 0.0 M M M
8/10/2018 7:00 AM 0.00 0.0 M M M
8/11/2018 7:00 AM 0.00 0.0 M M M
8/12/2018 7:00 AM 0.00 0.0 M M M Smokey haze
8/13/2018 7:00 AM 0.00 0.0 M M M Smokey haze
8/14/2018 7:00 AM 0.00 0.0 M M M
8/15/2018 7:00 AM 0.00 0.0 M M M
8/16/2018 7:00 AM 0.00 0.0 M M M
8/17/2018 7:00 AM 0.00 0.0 M M M
8/18/2018 7:00 AM 0.00 0.0 M M M
8/19/2018 7:00 AM 0.00 0.0 M M M
8/20/2018 7:00 AM 0.00 0.0 M M M
8/21/2018 7:00 AM 0.00 0.0 M M M
8/22/2018 7:00 AM 0.00 0.0 M M M
8/23/2018 7:00 AM 0.00 0.0 M M M
8/24/2018 7:00 AM 0.59 M M M M Showers
8/25/2018 7:00 AM 0.02 M M M M Shower
8/26/2018 7:00 AM 0.30 M M M M Tstm
8/27/2018 7:00 AM 0.36 M M M M tstm 5-7 PM, showers 8- 10 PM
8/28/2018 7:00 AM 0.00 0.0 M M M
8/29/2018 7:00 AM 0.03 M M M M Lt rain,mist all day
8/30/2018 7:00 AM 0.00 0.0 M M M
8/31/2018 7:00 AM 0.06 M M M M Thunder shower
9/1/2018 7:00 AM 0.15 M M M M Tstm
9/2/2018 7:00 AM 0.02 M M M M
9/4/2018 7:00 AM 0.22 M M M M
9/10/2018 7:00 AM 0.02 M M M M
9/15/2018 7:00 AM 0.63 M M M M
9/20/2018 7:00 AM 0.31 M M M M
9/21/2018 7:00 AM 1.35 M M M M Rain showers
9/23/2018 7:00 AM 0.03 M M M M Windblown light rain.



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes



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