Weather History for Mason City, IA

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Month of February, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 47 °F 36 °F 21 °F
Mean Temperature 37 °F 28 °F 11 °F
Min Temperature 32 °F 19 °F 0 °F
Degree Days  
Heating Degree Days (base 65) 54 37 28 1070
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 0 0 0 0
Dew Point  
Dew Point 39 °F 21 °F -11 °F
Precipitation  
Precipitation 0.44 in 0.04 in 0.00 in 0.96 in
Snowdepth 5.0 in 1.9 in 0.0 in -
Wind  
Wind 41 mph 12 mph 0 mph
Gust Wind 53 mph 28 mph 17 mph
Sea Level Pressure  
Sea Level Pressure 30.67 in 30.07 in 29.20 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Feb. 12, 2012 Rise Set
Actual Time 7:15 AM CST 5:39 PM CST
Civil Twilight 6:46 AM CST 6:09 PM CST
Nautical Twilight 6:13 AM CST 6:42 PM CST
Astronomical Twilight 5:40 AM CST 7:15 PM CST
Moon 11:50 PM CST (2/12) 9:23 AM CST (2/12)
Length of Visible Light 11h 22m
Length of Day
10h 23m
Waning Gibbous, 72% of the Moon is Illuminated
Feb 12
Waning Gibbous
Feb 14
Last Quarter
Feb 21
New
Feb 29
First Quarter
Mar 8
Full

Weather History Calendar

Precipitation Actual month total 0.96 Normal Month Total: 1.00
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Fog
Actual:
36 | 29 0.00
Average:
26 | 8 0.03
Fog
Actual:
47 | 22 0.00
Average:
26 | 8 0.03
Fog
Actual:
32 | 29 0.00
Average:
26 | 8 0.04
Partly Cloudy
Actual:
39 | 26 0.00
Average:
26 | 8 0.03
Overcast
Actual:
29 | 26 0.00
Average:
27 | 9 0.03
Fog
Actual:
41 | 24 0.00
Average:
27 | 9 0.03
Mostly Cloudy
Actual:
32 | 24 0.00
Average:
27 | 9 0.03
Scattered Clouds
Actual:
30 | 9 0.00
Average:
27 | 10 0.03
Partly Cloudy
Actual:
36 | 10 0.00
Average:
28 | 10 0.03
Partly Cloudy
Actual:
27 | 6 T
Average:
28 | 10 0.04
Clear
Actual:
21 | 0 0.00
Average:
28 | 10 0.03
Clear
Actual:
32 | 4 0.00
Average:
28 | 11 0.03
Snow
Actual:
29 | 16 0.05
Average:
29 | 11 0.04
Mostly Cloudy
Actual:
36 | 21 0.01
Average:
29 | 12 0.03
Partly Cloudy
Actual:
46 | 23 0.00
Average:
29 | 12 0.03
Fog
Actual:
39 | 23 0.00
Average:
30 | 12 0.04
Partly Cloudy
Actual:
42 | 22 0.00
Average:
30 | 13 0.03
Clear
Actual:
36 | 15 0.00
Average:
30 | 13 0.04
Clear
Actual:
42 | 13 0.00
Average:
31 | 14 0.03
Snow
Actual:
43 | 24 0.03
Average:
31 | 14 0.04
Snow
Actual:
40 | 26 T
Average:
31 | 14 0.04
Snow
Actual:
45 | 22 T
Average:
32 | 15 0.04
Snow
Actual:
39 | 22 0.04
Average:
32 | 15 0.04
Snow
Actual:
30 | 16 T
Average:
33 | 16 0.04
Snow
Actual:
27 | 11 T
Average:
33 | 16 0.04
Clear
Actual:
46 | 20 0.00
Average:
33 | 17 0.04
Partly Cloudy
Actual:
35 | 17 0.00
Average:
34 | 17 0.05
Thunderstorm
Actual:
37 | 24 0.39
Average:
34 | 17 0.05
Thunderstorm
Actual:
42 | 32 0.44
Average:
34 | 18 0.05
 

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
Feb high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 36 33 29 36 32 28 100 95 89 30.18 30.10 30.00 4 1 0 17 5 21 0.00 Fog
2 47 35 22 36 27 20 100 80 60 30.40 30.25 30.15 10 4 0 8 2 9 0.00 Fog
3 32 31 29 30 29 28 100 96 92 30.46 30.40 30.36 4 2 0 20 11 23 0.00 Fog
4 39 33 26 30 27 24 100 85 70 30.39 30.34 30.27 10 6 2 22 13 24 0.00  
5 29 28 26 27 25 24 100 93 85 30.41 30.35 30.26 8 4 1 17 8 21 0.00  
6 41 33 24 30 25 23 100 82 64 30.26 30.18 30.11 10 4 0 15 8 17 0.00 Fog
7 32 28 24 28 22 14 92 77 62 30.51 30.42 30.23 10 10 7 22 13 24 0.00  
8 30 20 9 13 9 3 84 60 36 30.51 30.44 30.34 10 10 10 12 7 15 0.00  
9 36 23 10 26 19 7 88 74 59 30.33 30.12 29.96 10 8 5 21 12 25 0.00  
10 27 17 6 21 4 -6 92 71 49 30.56 30.21 29.97 10 10 7 31 22 38 T  
11 21 11 0 -4 -7 -11 69 49 28 30.67 30.60 30.52 10 10 10 29 19 35 0.00  
12 32 18 4 6 -1 -4 76 49 21 30.54 30.39 30.16 10 10 10 17 10 20 0.00  
13 29 23 16 28 24 8 100 75 50 30.10 29.84 29.74 10 3 1 18 10 25 0.05 Snow
14 36 29 21 30 25 20 92 85 78 29.88 29.79 29.74 8 5 2 15 8 21 0.01  
15 46 35 23 36 29 20 96 83 70 30.05 29.95 29.89 5 3 2 14 6 16 0.00  
16 39 31 23 30 25 20 100 76 52 30.17 30.11 30.04 10 6 0 21 10 24 0.00 Fog
17 42 32 22 28 22 17 88 69 49 30.19 30.09 30.00 10 10 9 23 13 28 0.00  
18 36 26 15 19 16 12 84 64 44 30.30 30.23 30.20 10 10 10 12 5 16 0.00  
19 42 28 13 24 19 10 88 67 46 30.19 30.14 30.07 10 10 10 16 8 23 0.00  
20 43 34 24 31 26 18 92 71 49 30.14 29.87 29.64 10 6 0 32 18 39 0.03 Fog , Rain , Snow
21 40 33 26 32 28 23 92 78 64 29.71 29.64 29.55 10 8 2 30 16 36 T Snow
22 45 34 22 32 27 20 96 73 49 29.63 29.49 29.42 10 9 2 14 3 15 T Snow
23 39 31 22 30 27 20 92 81 69 29.68 29.56 29.43 10 6 1 18 9 23 0.04 Snow
24 30 23 16 27 19 9 85 71 57 30.12 29.90 29.66 10 8 2 33 21 39 T Snow
25 27 19 11 18 12 6 84 76 67 30.30 30.20 30.06 10 10 7 30 12 36 T Snow
26 46 33 20 31 20 15 77 64 51 30.13 29.90 29.74 10 10 10 41 24 53 0.00  
27 35 26 17 21 14 10 88 68 47 30.49 30.39 30.16 10 10 10 24 11 30 0.00  
28 37 31 24 35 29 20 92 81 69 30.39 29.90 29.49 10 5 2 25 16 32 0.39 Rain , Thunderstorm
29 42 37 32 39 32 28 92 87 82 29.74 29.33 29.20 10 4 0 31 22 41 0.44 Fog , Rain , Snow , Thunderstorm