Weather History for Mason City, IA

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Month of January, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 47 °F 28 °F 5 °F
Mean Temperature 37 °F 18 °F -2 °F
Min Temperature 33 °F 8 °F -10 °F
Degree Days  
Heating Degree Days (base 65) 67 47 28 1451
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 0 0 0 0
Dew Point  
Dew Point 40 °F 11 °F -18 °F
Precipitation  
Precipitation 0.16 in 0.02 in 0.00 in 0.32 in
Snowdepth 5.0 in 2.3 in 0.0 in -
Wind  
Wind 44 mph 13 mph 0 mph
Gust Wind 55 mph 27 mph 18 mph
Sea Level Pressure  
Sea Level Pressure 30.69 in 30.11 in 29.44 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Jan. 02, 2013 Rise Set
Actual Time 7:45 AM CST 4:50 PM CST
Civil Twilight 7:13 AM CST 5:22 PM CST
Nautical Twilight 6:37 AM CST 5:58 PM CST
Astronomical Twilight 6:02 AM CST 6:32 PM CST
Moon 10:32 PM CST (1/2) 10:18 AM CST (1/2)
Length of Visible Light 10h 09m
Length of Day
9h 04m
Waning Gibbous, 75% of the Moon is Illuminated
Jan 2
Waning Gibbous
Jan 4
Last Quarter
Jan 11
New
Jan 18
First Quarter
Jan 26
Full

Weather History Calendar

Precipitation Actual month total 0.32 Normal Month Total: 0.82
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Partly Cloudy
Actual:
14 | -10 0.00
Average:
25 | 8 0.03
Snow
Actual:
27 | -2 T
Average:
25 | 8 0.02
Partly Cloudy
Actual:
25 | 8 T
Average:
25 | 8 0.03
Clear
Actual:
26 | 4 0.00
Average:
25 | 8 0.03
Scattered Clouds
Actual:
28 | 5 0.00
Average:
25 | 8 0.02
Scattered Clouds
Actual:
20 | 8 0.00
Average:
25 | 7 0.03
Fog
Actual:
34 | 11 0.00
Average:
24 | 7 0.02
Fog
Actual:
36 | 7 0.00
Average:
24 | 7 0.03
Clear
Actual:
37 | 22 0.00
Average:
24 | 7 0.03
Rain
Actual:
37 | 23 0.11
Average:
24 | 7 0.03
Fog
Actual:
41 | 33 0.00
Average:
24 | 7 0.02
Snow
Actual:
39 | 10 T
Average:
24 | 7 0.03
Partly Cloudy
Actual:
12 | 3 T
Average:
24 | 7 0.02
Clear
Actual:
23 | 4 0.00
Average:
24 | 7 0.03
Scattered Clouds
Actual:
31 | 9 0.00
Average:
24 | 7 0.02
Snow
Actual:
43 | 17 T
Average:
24 | 7 0.03
Partly Cloudy
Actual:
30 | 6 0.00
Average:
25 | 7 0.02
Clear
Actual:
47 | 23 0.00
Average:
25 | 7 0.02
Snow
Actual:
46 | 6 T
Average:
25 | 7 0.03
Snow
Actual:
13 | 2 T
Average:
25 | 7 0.02
Snow
Actual:
5 | -10 T
Average:
25 | 7 0.03
Snow
Actual:
10 | -7 T
Average:
25 | 7 0.03
Snow
Actual:
22 | 0 T
Average:
25 | 7 0.02
Scattered Clouds
Actual:
16 | -2 0.00
Average:
25 | 7 0.03
Snow
Actual:
27 | 2 T
Average:
25 | 7 0.03
Partly Cloudy
Actual:
26 | -1 0.00
Average:
25 | 7 0.03
Snow
Actual:
32 | 24 0.16
Average:
25 | 7 0.02
Rain
Actual:
37 | 29 0.01
Average:
25 | 7 0.03
Thunderstorm
Actual:
38 | 30 0.02
Average:
25 | 7 0.03
Snow
Actual:
30 | 7 0.02
Average:
26 | 8 0.03
Partly Cloudy
Actual:
7 | -7 T
Average:
26 | 8 0.03
 

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

2013 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Jan high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 14 2 -10 8 -3 -15 83 71 58 30.35 30.27 30.12 10 10 10 12 6 14 0.00  
2 27 13 -2 25 11 -6 87 80 73 30.15 30.06 29.96 10 6 2 17 8 22 T Snow
3 25 17 8 18 6 1 84 76 67 30.36 30.26 30.11 10 9 5 23 15 28 T  
4 26 15 4 16 11 3 88 75 62 30.24 30.19 30.17 10 9 6 22 12 26 0.00  
5 28 17 5 21 10 1 91 82 73 30.16 30.04 29.92 10 6 3 24 12 29 0.00  
6 20 14 8 12 6 1 91 79 66 30.31 30.21 30.04 10 10 7 21 10 24 0.00  
7 34 23 11 25 16 8 92 80 68 30.17 30.03 29.97 10 6 0 23 10 31 0.00 Fog
8 36 22 7 30 15 5 92 82 72 30.04 29.97 29.85 10 4 0 25 10 31 0.00 Fog
9 37 30 22 27 23 19 92 79 66 30.42 30.30 30.05 10 10 10 22 11 28 0.00  
10 37 30 23 32 27 20 96 80 64 30.40 30.07 29.75 10 6 0 20 12 28 0.11 Fog , Rain
11 41 37 33 40 36 32 100 96 92 29.73 29.55 29.44 7 1 0 16 10 21 0.00 Fog
12 39 25 10 37 11 1 100 81 61 30.13 29.91 29.48 10 9 2 33 19 40 T Snow
13 12 8 3 3 -1 -6 79 71 63 30.34 30.16 30.02 10 10 7 22 13 24 T  
14 23 14 4 11 5 -1 86 73 59 30.47 30.41 30.32 10 10 10 15 6 18 0.00  
15 31 20 9 16 11 4 80 65 50 30.38 30.24 30.00 10 10 10 18 11 24 0.00  
16 43 30 17 32 24 12 89 77 65 30.23 29.92 29.77 10 9 2 26 17 31 T Rain , Snow
17 30 18 6 19 11 0 84 65 45 30.46 30.39 30.27 10 10 10 18 8 22 0.00  
18 47 35 23 30 26 19 88 71 53 30.31 29.97 29.82 10 10 10 31 16 38 0.00  
19 46 26 6 31 20 -1 82 68 53 30.26 29.94 29.77 10 10 8 44 20 55 T Snow
20 13 8 2 3 -1 -5 79 70 61 30.45 30.35 30.26 10 8 2 26 15 32 T Snow
21 5 -2 -10 -2 -11 -18 75 65 54 30.44 30.35 30.27 10 9 2 25 16 32 T Snow
22 10 2 -7 4 -7 -13 78 67 55 30.47 30.40 30.31 10 10 6 13 7 16 T Snow
23 22 11 0 10 1 -12 76 61 46 30.59 30.31 30.16 10 10 2 31 16 37 T Snow
24 16 7 -2 1 -9 -14 62 52 41 30.69 30.52 30.25 10 10 10 24 12 29 0.00  
25 27 15 2 14 4 -4 79 60 41 30.33 30.15 30.02 10 10 2 33 16 41 T Snow
26 26 13 -1 11 2 -6 79 62 45 30.40 30.30 30.18 10 10 10 22 11 29 0.00  
27 32 28 24 31 26 12 92 71 50 30.16 29.92 29.77 10 4 1 23 13 29 0.16 Rain , Snow
28 37 33 29 36 30 27 100 96 92 29.94 29.80 29.56 2 0 0 16 8 21 0.01 Fog , Rain
29 38 34 30 37 32 25 100 89 78 29.68 29.60 29.53 10 4 0 26 13 32 0.02 Fog , Rain , Thunderstorm
30 30 19 7 23 13 0 88 77 66 29.84 29.65 29.53 10 4 0 33 24 40 0.02 Fog , Snow
31 7 0 -7 0 -8 -16 79 71 62 30.38 30.08 29.79 10 8 2 33 23 40 T