Weather History for Iron Mountain, MI

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Month of December, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 55 °F 31 °F 21 °F
Mean Temperature 46 °F 25 °F 8 °F
Min Temperature 37 °F 18 °F -5 °F
Degree Days  
Heating Degree Days (base 65) 57 41 19 1257
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 0 0 0 0
Dew Point  
Dew Point 54 °F 20 °F -11 °F
Precipitation  
Precipitation 0.09 in 0.01 in 0.00 in 0.23 in
Snowdepth - - - -
Wind  
Wind 26 mph 7 mph 0 mph
Gust Wind 46 mph 21 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.46 in 29.97 in 29.47 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Dec. 30, 2012 Rise Set
Actual Time 7:33 AM CST 4:17 PM CST
Civil Twilight 6:59 AM CST 4:51 PM CST
Nautical Twilight 6:21 AM CST 5:29 PM CST
Astronomical Twilight 5:45 AM CST 6:05 PM CST
Moon 6:56 PM CST 8:35 AM CST
Length of Visible Light 9h 52m
Length of Day
8h 43m
Waning Gibbous, 95% of the Moon is Illuminated
Dec 30
Waning Gibbous
Jan 4
Last Quarter
Jan 11
New
Jan 18
First Quarter
Jan 26
Full

Weather History Calendar

Precipitation Actual month total 0.23 Average Month Total: 1.34
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Fog
Actual:
37 | 28 0.00
Average:
32 | 15 0.04
Rain
Actual:
39 | 35 0.00
Average:
32 | 14 0.03
Rain
Actual:
55 | 37 0.08
Average:
31 | 13 0.04
Scattered Clouds
Actual:
42 | 24 0.00
Average:
30 | 12 0.06
Snow
Actual:
30 | 21 0.00
Average:
30 | 16 0.06
Snow
Actual:
39 | 28 0.00
Average:
30 | 15 0.05
Snow
Actual:
33 | 26 0.00
Average:
29 | 11 0.02
Snow
Actual:
32 | 12 0.00
Average:
28 | 11 0.03
Snow
Actual:
28 | 12 0.00
Average:
28 | 12 0.02
Snow
Actual:
28 | 19 0.00
Average:
29 | 12 0.05
Snow
Actual:
24 | 18 0.00
Average:
28 | 10 0.01
Partly Cloudy
Actual:
35 | 9 0.00
Average:
30 | 11 0.03
Partly Cloudy
Actual:
37 | 24 0.00
Average:
29 | 11 0.05
Overcast
Actual:
30 | 25 0.00
Average:
28 | 13 0.06
Snow
Actual:
37 | 30 0.09
Average:
29 | 12 0.06
Rain
Actual:
37 | 33 0.00
Average:
29 | 13 0.06
Overcast
Actual:
33 | 27 0.00
Average:
28 | 9 0.04
Partly Cloudy
Actual:
28 | 18 0.00
Average:
26 | 10 0.03
Partly Cloudy
Actual:
33 | 12 0.00
Average:
25 | 9 0.06
Snow
Actual:
32 | 28 0.06
Average:
26 | 6 0.06
Snow
Actual:
30 | 21 0.00
Average:
26 | 9 0.03
Partly Cloudy
Actual:
28 | 12 0.00
Average:
25 | 6 0.03
Snow
Actual:
24 | 3 0.00
Average:
25 | 9 0.05
Overcast
Actual:
23 | 6 0.00
Average:
23 | 5 0.07
Snow
Actual:
21 | -2 0.00
Average:
22 | 3 0.03
Snow
Actual:
21 | -5 0.00
Average:
21 | 2 0.01
Overcast
Actual:
21 | 19 0.00
Average:
23 | 4 0.05
Snow
Actual:
25 | 16 0.00
Average:
26 | 6 0.04
Snow
Actual:
25 | 10 0.00
Average:
24 | 8 0.06
Partly Cloudy
Actual:
21 | 15 0.00
Average:
24 | 4 0.02
Snow
Actual:
25 | 7 0.00
Average:
25 | 5 0.09
 

Calendar Legend

Sunny
Clear
Mostly Cloudy
Partly Sunny
Partly Cloudy
Mostly Sunny
Cloudy Rain Snow
Hail
Flurries
Thunderstorms Hazy
Fog
Sleet '?' denotes
'chance of'
Unknown

Daily Weather History & Observations

2012 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Dec high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 37 32 28 37 34 27 100 98 92 30.22 29.94 29.75 8 1 0 12 4 18 0.00 Fog
2 39 37 35 37 36 34 100 95 82 30.04 29.90 29.76 7 4 1 12 3 - 0.00 Rain
3 55 46 37 54 45 34 100 94 68 30.02 29.74 29.57 10 3 0 14 9 25 0.08 Fog , Rain
4 42 33 24 34 20 8 73 59 40 30.29 30.00 29.74 10 10 10 25 12 32 0.00  
5 30 26 21 23 17 12 80 68 51 30.46 30.33 30.12 10 10 9 12 8 - 0.00 Snow
6 39 34 28 34 29 23 93 81 70 30.13 29.90 29.75 10 9 3 17 12 24 0.00 Rain , Snow
7 33 30 26 26 22 19 88 75 61 30.04 29.97 29.86 10 9 2 10 6 18 0.00 Snow
8 32 22 12 23 19 10 100 85 59 30.22 30.05 29.97 10 6 0 12 3 - 0.00 Fog , Snow
9 28 20 12 25 21 10 93 86 74 30.25 29.98 29.77 10 4 1 9 4 - 0.00 Snow
10 28 24 19 21 19 17 93 78 66 29.90 29.81 29.70 10 10 4 13 6 18 0.00 Snow
11 24 21 18 19 15 10 89 78 69 30.02 29.86 29.74 10 10 7 14 6 20 0.00 Snow
12 35 22 9 26 16 6 92 78 68 30.20 30.10 30.04 10 10 7 13 7 23 0.00  
13 37 30 24 26 23 20 93 73 54 30.13 30.04 29.98 10 10 8 8 5 - 0.00  
14 30 28 25 27 24 21 93 82 78 30.26 30.19 30.08 10 10 10 8 5 - 0.00  
15 37 34 30 36 33 28 100 94 86 30.08 29.78 29.52 10 4 1 12 8 17 0.09 Rain , Snow
16 37 35 33 36 34 30 100 94 81 29.62 29.54 29.49 10 6 0 10 3 - 0.00 Fog , Rain
17 33 30 27 30 23 20 89 79 72 29.72 29.67 29.61 10 10 9 12 7 - 0.00  
18 28 23 18 22 19 15 92 78 69 29.83 29.74 29.66 10 10 10 8 3 - 0.00  
19 33 22 12 24 19 9 88 80 64 30.08 29.99 29.86 10 10 10 10 1 - 0.00  
20 32 30 28 30 27 23 93 88 78 29.99 29.66 29.47 10 3 0 21 8 33 0.06 Fog , Snow
21 30 26 21 26 18 15 85 78 74 30.11 29.92 29.59 10 9 3 26 22 46 0.00 Snow
22 28 20 12 19 15 9 88 78 58 30.12 30.01 29.84 10 10 10 15 7 22 0.00  
23 24 14 3 19 10 0 87 76 63 30.07 30.02 29.91 10 10 5 20 11 24 0.00 Snow
24 23 14 6 16 11 3 88 79 68 30.18 30.03 29.93 10 10 10 12 3 - 0.00  
25 21 10 -2 12 8 -6 84 76 63 30.46 30.35 30.19 10 10 7 12 6 - 0.00 Snow
26 21 8 -5 18 11 -11 89 83 75 30.41 30.27 30.16 10 9 2 12 3 20 0.00 Snow
27 21 20 19 15 14 13 85 75 68 30.27 30.22 30.13 10 10 10 12 8 - 0.00  
28 25 22 16 20 17 13 93 84 75 30.19 30.09 29.98 10 9 4 6 3 - 0.00 Snow
29 25 18 10 19 15 8 92 80 68 30.07 29.99 29.91 10 9 2 8 3 - 0.00 Snow
30 21 18 15 15 11 7 81 71 60 30.19 30.08 29.87 10 10 10 9 6 - 0.00  
31 25 16 7 18 8 1 84 67 57 30.14 29.97 29.78 10 10 7 18 10 28 0.00 Snow