Weather History for Ottumwa, IA

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Month of September, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 94 °F 78 °F 61 °F
Mean Temperature 81 °F 63 °F 48 °F
Min Temperature 68 °F 48 °F 30 °F
Degree Days  
Heating Degree Days (base 65) 17 4 0 135
Cooling Degree Days (base 65) 16 3 0 83
Growing Degree Days (base 50) 31 13 0 397
Dew Point  
Dew Point 71 °F 48 °F 26 °F
Precipitation  
Precipitation 0.29 in 0.03 in 0.00 in 0.78 in
Snowdepth - - - -
Wind  
Wind 36 mph 7 mph 0 mph
Gust Wind 46 mph 22 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.40 in 30.02 in 29.74 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Sep. 01, 2012 Rise Set
Actual Time 6:36 AM CDT 7:41 PM CDT
Civil Twilight 6:08 AM CDT 8:09 PM CDT
Nautical Twilight 5:34 AM CDT 8:43 PM CDT
Astronomical Twilight 4:59 AM CDT 9:18 PM CDT
Moon 7:57 PM CDT (9/1) 7:46 AM CDT (9/1)
Length of Visible Light 14h 01m
Length of Day
13h 04m
Full, 99% of the Moon is Illuminated
Sep 1
Full
Sep 8
Last Quarter
Sep 15
New
Sep 22
First Quarter
Sep 29
Full

Weather History Calendar

Precipitation Actual month total 0.78 Normal Month Total: 3.79
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Rain
Actual:
75 | 67 0.02
Average:
81 | 59 0.14
Partly Cloudy
Actual:
86 | 63 0.00
Average:
81 | 59 0.14
Fog
Actual:
91 | 62 T
Average:
81 | 58 0.14
Rain
Actual:
94 | 68 0.01
Average:
80 | 58 0.14
Thunderstorm
Actual:
89 | 63 0.16
Average:
80 | 58 0.14
Clear
Actual:
85 | 55 0.00
Average:
80 | 57 0.13
Thunderstorm
Actual:
74 | 52 0.02
Average:
79 | 57 0.14
Clear
Actual:
77 | 46 0.00
Average:
79 | 56 0.13
Clear
Actual:
75 | 48 0.00
Average:
79 | 56 0.13
Clear
Actual:
81 | 46 0.00
Average:
78 | 55 0.13
Rain
Actual:
91 | 57 0.00
Average:
78 | 55 0.14
Rain
Actual:
90 | 59 T
Average:
78 | 55 0.13
Rain
Actual:
61 | 45 0.29
Average:
77 | 54 0.13
Fog
Actual:
74 | 43 0.00
Average:
77 | 54 0.13
Clear
Actual:
78 | 43 0.00
Average:
77 | 53 0.12
Clear
Actual:
76 | 43 0.00
Average:
76 | 53 0.13
Thunderstorm
Actual:
76 | 44 0.28
Average:
76 | 52 0.12
Clear
Actual:
65 | 41 0.00
Average:
75 | 52 0.12
Thunderstorm
Actual:
81 | 45 0.00
Average:
75 | 51 0.13
Clear
Actual:
72 | 45 0.00
Average:
74 | 51 0.13
Scattered Clouds
Actual:
74 | 46 0.00
Average:
74 | 50 0.12
Clear
Actual:
62 | 35 0.00
Average:
74 | 50 0.13
Clear
Actual:
65 | 30 0.00
Average:
73 | 50 0.11
Clear
Actual:
75 | 33 0.00
Average:
73 | 49 0.12
Clear
Actual:
83 | 54 0.00
Average:
72 | 49 0.12
Clear
Actual:
76 | 50 0.00
Average:
72 | 48 0.11
Clear
Actual:
73 | 42 0.00
Average:
71 | 48 0.12
Clear
Actual:
73 | 34 0.00
Average:
71 | 47 0.11
Clear
Actual:
82 | 42 0.00
Average:
70 | 47 0.11
Clear
Actual:
80 | 45 0.00
Average:
70 | 47 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

2012 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 75 71 67 70 66 55 90 78 66 29.94 29.91 29.89 10 10 8 23 13 31 0.02 Rain
2 86 75 63 70 63 55 93 77 61 29.95 29.91 29.87 10 10 7 13 5 15 0.00  
3 91 77 62 71 66 62 100 75 50 29.95 29.91 29.83 10 5 0 13 3 16 T Fog
4 94 81 68 71 69 65 97 68 39 29.88 29.83 29.77 10 9 3 9 4 15 0.01 Rain
5 89 76 63 68 63 59 93 69 44 29.90 29.82 29.75 10 10 5 36 10 46 0.16 Rain , Thunderstorm
6 85 70 55 58 52 47 86 58 29 30.00 29.92 29.84 10 10 10 13 6 15 0.00  
7 74 63 52 64 57 47 90 79 68 30.01 29.87 29.76 10 10 10 23 11 31 0.02 Rain , Thunderstorm
8 77 62 46 47 44 42 86 59 31 30.07 29.99 29.88 10 10 8 24 10 31 0.00  
9 75 62 48 50 47 43 86 62 38 30.17 30.12 29.99 10 10 10 16 7 21 0.00  
10 81 64 46 50 47 45 93 62 30 30.19 30.11 30.02 10 10 10 18 8 25 0.00  
11 91 74 57 56 52 48 80 52 24 30.04 30.00 29.94 10 10 10 21 11 28 0.00 Rain
12 90 75 59 59 53 41 78 54 29 30.14 30.04 30.00 10 10 10 21 10 26 T Rain
13 61 53 45 52 49 44 100 78 55 30.39 30.32 30.16 10 8 0 28 9 36 0.29 Fog , Rain
14 74 59 43 51 45 40 100 66 31 30.40 30.36 30.31 10 4 0 10 3 16 0.00 Fog
15 78 61 43 50 45 41 93 61 28 30.31 30.23 30.13 10 10 10 14 6 18 0.00  
16 76 60 43 57 51 42 93 72 50 30.12 30.04 29.96 10 10 8 12 5 18 0.00  
17 76 60 44 63 55 42 100 79 58 29.96 29.91 29.86 10 7 0 28 7 32 0.28 Fog , Rain , Thunderstorm
18 65 53 41 43 38 33 89 60 31 30.06 30.02 29.96 10 10 10 20 8 26 0.00  
19 81 63 45 54 43 35 70 50 30 30.02 29.89 29.76 10 10 10 24 12 35 0.00 Thunderstorm
20 72 59 45 39 34 28 71 46 20 29.99 29.96 29.92 10 10 10 23 8 29 0.00  
21 74 60 46 46 43 40 86 60 33 29.94 29.84 29.74 10 10 10 18 7 25 0.00  
22 62 49 35 42 34 26 89 63 36 30.27 30.12 29.86 10 10 10 24 11 30 0.00  
23 65 48 30 36 30 26 96 60 24 30.35 30.29 30.25 10 10 10 20 6 24 0.00  
24 75 54 33 47 35 28 82 52 22 30.25 30.05 29.86 10 10 10 16 8 22 0.00  
25 83 69 54 54 50 46 77 56 34 29.89 29.83 29.78 10 10 8 10 4 14 0.00  
26 76 63 50 46 39 33 68 45 21 30.13 30.01 29.88 10 10 10 14 7 17 0.00  
27 73 58 42 44 39 36 92 60 27 30.22 30.17 30.13 10 10 6 13 7 21 0.00  
28 73 54 34 45 38 35 86 58 29 30.24 30.17 30.13 10 10 9 13 3 17 0.00  
29 82 62 42 44 40 37 83 52 21 30.17 30.08 29.99 10 7 2 13 5 16 0.00  
30 80 63 45 44 41 40 77 51 25 29.99 29.93 29.87 10 10 10 13 6 16 0.00