Weather History for Mason City, IA

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Month of September, 2014

  Max Avg Min Sum
Temperature  
Max Temperature 89 °F 72 °F 52 °F
Mean Temperature 79 °F 60 °F 44 °F
Min Temperature 69 °F 48 °F 31 °F
Degree Days  
Heating Degree Days (base 65) 21 6 0 174
Cooling Degree Days (base 65) 14 1 0 33
Growing Degree Days (base 50) 28 10 0 310
Dew Point  
Dew Point 74 °F 53 °F 31 °F
Precipitation  
Precipitation 0.58 in 0.10 in 0.00 in 2.59 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 38 mph 9 mph 0 mph
Gust Wind 48 mph 24 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.47 in 30.06 in 29.57 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Sep. 22, 2014 Rise Set
Actual Time 7:00 AM CDT 7:10 PM CDT
Civil Twilight 6:32 AM CDT 7:38 PM CDT
Nautical Twilight 5:58 AM CDT 8:12 PM CDT
Astronomical Twilight 5:24 AM CDT 8:46 PM CDT
Moon 5:28 AM CDT (9/22) 6:19 PM CDT (9/22)
Length of Visible Light 13h 06m
Length of Day
12h 09m
Waning Crescent, 2% of the Moon is Illuminated
Sep 22
Waning Crescent
Sep 24
New
Oct 1
First Quarter
Oct 8
Full
Oct 15
Last Quarter

Weather History Calendar

Precipitation Actual month total 2.59 Normal Month Total: 3.27
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Thunderstorm
Actual:
78 | 57 0.05
Average:
78 | 55 0.12
Thunderstorm
Actual:
78 | 56 0.20
Average:
78 | 54 0.11
Scattered Clouds
Actual:
84 | 54 0.00
Average:
78 | 54 0.11
Partly Cloudy
Actual:
89 | 69 T
Average:
78 | 54 0.11
Thunderstorm
Actual:
70 | 48 0.14
Average:
77 | 53 0.12
Clear
Actual:
75 | 45 0.00
Average:
77 | 53 0.12
Clear
Actual:
75 | 50 0.00
Average:
77 | 53 0.12
Rain
Actual:
71 | 50 T
Average:
76 | 52 0.11
Rain
Actual:
72 | 63 0.27
Average:
76 | 52 0.11
Rain
Actual:
66 | 48 0.58
Average:
76 | 51 0.12
Partly Cloudy
Actual:
59 | 41 T
Average:
75 | 51 0.11
Rain
Actual:
52 | 36 0.28
Average:
75 | 50 0.11
Clear
Actual:
60 | 31 0.00
Average:
75 | 50 0.11
Rain
Actual:
68 | 44 T
Average:
74 | 49 0.10
Rain
Actual:
62 | 39 0.35
Average:
74 | 49 0.11
Clear
Actual:
66 | 36 0.00
Average:
73 | 48 0.11
Scattered Clouds
Actual:
74 | 42 0.00
Average:
73 | 48 0.10
Fog
Actual:
73 | 41 0.00
Average:
73 | 47 0.11
Scattered Clouds
Actual:
80 | 51 0.01
Average:
72 | 47 0.11
Thunderstorm
Actual:
80 | 55 0.42
Average:
72 | 46 0.11
Partly Cloudy
Actual:
67 | 47 0.00
Average:
71 | 46 0.11
Clear
Actual:
71 | 41 0.00
Average:
71 | 46 0.11
Scattered Clouds
Actual:
73 | 44 0.00
Average:
70 | 45 0.10
Rain
Actual:
67 | 55 0.27
Average:
70 | 45 0.11
Mostly Cloudy
Actual:
76 | 54 0.00
Average:
70 | 44 0.10
Scattered Clouds
Actual:
80 | 51 0.00
Average:
69 | 44 0.11
Rain
Actual:
81 | 53 T
Average:
69 | 43 0.10
Fog
Actual:
81 | 49 0.00
Average:
68 | 43 0.10
Partly Cloudy
Actual:
68 | 49 0.00
Average:
68 | 42 0.10
Rain
Actual:
65 | 47 0.02
Average:
67 | 42 0.10
 

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

2014 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Sep high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 78 68 57 66 62 57 100 74 48 29.86 29.74 29.65 10 10 6 20 9 24 0.05 Rain , Thunderstorm
2 78 67 56 60 58 56 97 72 47 29.96 29.92 29.85 10 9 4 26 9 31 0.20 Rain , Thunderstorm
3 84 69 54 72 64 54 100 79 58 29.95 29.84 29.73 10 10 10 24 11 33 0.00  
4 89 79 69 74 71 68 100 81 61 29.93 29.77 29.69 10 10 10 23 12 33 T  
5 70 59 48 68 54 47 93 83 72 30.23 30.09 29.90 10 10 8 22 11 27 0.14 Rain , Thunderstorm
6 75 60 45 54 50 44 100 69 38 30.27 30.23 30.19 10 10 10 14 6 18 0.00  
7 75 63 50 56 52 48 93 70 46 30.21 30.15 30.07 10 10 10 18 8 23 0.00  
8 71 61 50 63 55 49 100 77 53 30.06 29.95 29.86 10 10 10 32 9 40 T Rain
9 72 68 63 65 63 61 100 90 79 29.89 29.81 29.68 10 9 3 21 10 26 0.27 Rain
10 66 57 48 65 58 43 100 90 80 30.09 29.74 29.57 10 7 2 28 17 33 0.58 Rain
11 59 50 41 44 41 39 96 76 55 30.38 30.25 30.10 10 10 10 17 10 21 T  
12 52 44 36 44 41 36 92 80 68 30.47 30.42 30.36 10 10 7 17 5 23 0.28 Rain
13 60 46 31 41 35 31 100 70 40 30.40 30.34 30.25 10 9 2 17 6 22 0.00  
14 68 56 44 53 48 42 100 76 52 30.23 30.17 30.11 10 10 10 18 8 22 T Rain
15 62 51 39 49 46 39 100 74 48 30.26 30.19 30.12 10 8 1 16 7 21 0.35 Rain
16 66 51 36 47 41 35 100 73 45 30.27 30.18 30.04 10 8 2 15 5 20 0.00  
17 74 58 42 53 49 42 100 73 46 30.03 29.98 29.94 10 10 9 12 4 14 0.00  
18 73 57 41 57 48 41 100 75 49 30.11 30.06 30.02 10 6 0 18 7 24 0.00 Fog
19 80 66 51 67 59 50 96 77 58 30.03 29.88 29.73 10 10 8 31 16 39 0.01  
20 80 68 55 67 62 54 93 68 42 29.93 29.83 29.75 10 9 0 38 14 48 0.42 Fog , Rain , Thunderstorm
21 67 57 47 54 49 46 93 73 52 30.25 30.10 29.91 10 10 10 22 14 29 0.00  
22 71 56 41 53 46 41 100 72 44 30.32 30.26 30.20 10 8 1 14 5 17 0.00  
23 73 59 44 54 49 43 100 74 47 30.27 30.21 30.17 10 10 9 21 9 26 0.00  
24 67 61 55 55 54 51 93 80 67 30.22 30.19 30.15 10 10 6 26 11 31 0.27 Rain
25 76 65 54 59 56 53 100 77 54 30.23 30.19 30.15 10 10 10 13 6 15 0.00  
26 80 66 51 59 56 52 100 74 48 30.18 30.15 30.11 10 10 9 21 8 25 0.00  
27 81 67 53 62 57 53 100 73 45 30.20 30.15 30.08 10 8 1 17 7 23 T Rain
28 81 65 49 61 54 49 100 71 42 30.18 30.13 30.06 10 6 0 12 3 14 0.00 Fog
29 68 59 49 61 56 48 100 87 73 30.09 30.06 30.03 10 8 4 14 7 19 0.00  
30 65 56 47 53 49 46 100 82 63 30.06 29.97 29.86 10 10 5 28 11 34 0.02 Rain