Weather History for Ottumwa, IA

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Month of September, 2011

  Max Avg Min Sum
Temperature  
Max Temperature 96 °F 73 °F 56 °F
Mean Temperature 84 °F 62 °F 49 °F
Min Temperature 72 °F 49 °F 35 °F
Degree Days  
Heating Degree Days (base 65) 16 6 0 168
Cooling Degree Days (base 65) 19 2 0 65
Growing Degree Days (base 50) 34 12 0 347
Dew Point  
Dew Point 75 °F 51 °F 25 °F
Precipitation  
Precipitation 0.56 in 0.06 in 0.00 in 1.48 in
Snowdepth - - - -
Wind  
Wind 41 mph 8 mph 0 mph
Gust Wind 54 mph 22 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.44 in 30.03 in 29.67 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Sep. 10, 2011 Rise Set
Actual Time 6:45 AM CDT 7:27 PM CDT
Civil Twilight 6:17 AM CDT 7:55 PM CDT
Nautical Twilight 5:44 AM CDT 8:28 PM CDT
Astronomical Twilight 5:10 AM CDT 9:02 PM CDT
Moon 6:22 PM CDT (9/10) 5:05 AM CDT (9/10)
Length of Visible Light 13h 38m
Length of Day
12h 42m
Waxing Gibbous, 97% of the Moon is Illuminated
Sep 10
Waxing Gibbous
Sep 12
Full
Sep 20
Last Quarter
Sep 27
New
Oct 3
First Quarter

Weather History Calendar

Precipitation Actual month total 1.48 Normal Month Total: 3.79
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Clear
Actual:
96 | 72 0.00
Average:
81 | 59 0.14
Clear
Actual:
93 | 71 T
Average:
81 | 59 0.14
Thunderstorm
Actual:
86 | 64 0.56
Average:
81 | 58 0.14
Scattered Clouds
Actual:
74 | 50 0.00
Average:
80 | 58 0.14
Clear
Actual:
70 | 45 0.00
Average:
80 | 58 0.14
Clear
Actual:
71 | 43 0.00
Average:
80 | 57 0.13
Clear
Actual:
74 | 43 0.00
Average:
79 | 57 0.14
Clear
Actual:
79 | 49 0.00
Average:
79 | 56 0.13
Scattered Clouds
Actual:
79 | 52 0.00
Average:
79 | 56 0.13
Partly Cloudy
Actual:
80 | 54 0.00
Average:
78 | 55 0.13
Clear
Actual:
85 | 55 0.00
Average:
78 | 55 0.14
Clear
Actual:
88 | 59 0.00
Average:
78 | 55 0.13
Clear
Actual:
76 | 54 0.00
Average:
77 | 54 0.13
Rain
Actual:
65 | 38 0.01
Average:
77 | 54 0.13
Clear
Actual:
61 | 36 0.00
Average:
77 | 53 0.12
Rain
Actual:
56 | 47 0.12
Average:
76 | 53 0.13
Overcast
Actual:
63 | 50 T
Average:
76 | 52 0.12
Rain
Actual:
64 | 56 0.32
Average:
75 | 52 0.12
Rain
Actual:
78 | 52 T
Average:
75 | 51 0.13
Scattered Clouds
Actual:
82 | 52 0.00
Average:
74 | 51 0.13
Scattered Clouds
Actual:
71 | 48 0.00
Average:
74 | 50 0.12
Scattered Clouds
Actual:
64 | 40 0.00
Average:
74 | 50 0.13
Fog
Actual:
66 | 35 0.00
Average:
73 | 50 0.11
Fog
Actual:
66 | 37 0.00
Average:
73 | 49 0.12
Rain
Actual:
65 | 35 0.11
Average:
72 | 49 0.12
Rain
Actual:
59 | 47 0.36
Average:
72 | 48 0.11
Scattered Clouds
Actual:
68 | 50 0.00
Average:
71 | 48 0.12
Partly Cloudy
Actual:
75 | 54 0.00
Average:
71 | 47 0.11
Scattered Clouds
Actual:
75 | 55 T
Average:
70 | 47 0.11
Clear
Actual:
70 | 39 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

2011 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 96 84 72 72 70 67 100 70 39 29.89 29.84 29.80 10 9 6 21 11 26 0.00  
2 93 82 71 71 70 68 93 71 49 29.91 29.86 29.82 10 9 7 15 7 20 T  
3 86 75 64 75 70 59 100 83 65 29.98 29.89 29.85 10 8 0 31 8 39 0.56 Fog , Rain , Thunderstorm
4 74 62 50 59 51 47 93 67 41 30.14 30.07 29.99 10 10 9 25 13 32 0.00  
5 70 58 45 51 46 42 100 69 37 30.21 30.16 30.12 10 10 10 16 7 23 0.00  
6 71 57 43 49 46 44 100 70 40 30.24 30.19 30.15 10 10 10 13 5 18 0.00  
7 74 59 43 51 47 43 93 64 35 30.28 30.23 30.20 10 10 10 15 7 24 0.00  
8 79 64 49 57 53 48 93 68 43 30.23 30.16 30.06 10 10 10 20 10 25 0.00  
9 79 66 52 59 54 50 100 69 37 30.04 29.98 29.92 10 10 9 16 6 20 0.00  
10 80 67 54 62 57 55 100 73 45 30.04 30.01 29.97 10 10 10 15 6 21 0.00  
11 85 70 55 60 57 53 100 67 34 30.07 30.03 29.99 10 10 7 13 4 17 0.00  
12 88 74 59 62 58 56 97 66 34 30.02 29.94 29.83 10 10 10 22 11 29 0.00  
13 76 65 54 60 51 45 93 64 35 30.05 29.97 29.86 10 10 10 15 9 20 0.00  
14 65 52 38 50 40 25 93 60 27 30.32 30.16 30.01 10 10 10 22 10 28 0.01 Rain
15 61 49 36 36 31 25 82 54 25 30.44 30.37 30.31 10 10 10 13 7 18 0.00  
16 56 52 47 48 44 35 93 75 56 30.34 30.28 30.24 10 10 9 13 7 16 0.12 Rain
17 63 57 50 51 47 44 83 68 52 30.24 30.17 30.09 10 10 10 15 9 21 T  
18 64 60 56 63 59 51 100 86 72 30.08 29.98 29.94 10 6 2 14 6 18 0.32 Rain
19 78 65 52 61 56 46 100 68 36 30.06 30.00 29.95 10 9 7 16 7 21 T Rain
20 82 67 52 56 52 48 93 64 34 30.00 29.94 29.86 10 10 10 22 10 28 0.00  
21 71 60 48 48 46 44 86 64 41 30.11 30.02 29.96 10 10 10 22 11 29 0.00  
22 64 52 40 47 42 37 100 71 42 30.19 30.14 30.09 10 9 5 20 8 28 0.00  
23 66 51 35 47 39 36 100 72 43 30.17 30.13 30.04 10 4 0 13 4 36 0.00 Fog
24 66 52 37 47 42 37 100 72 44 30.06 30.01 29.95 10 7 0 15 4 17 0.00 Fog
25 65 50 35 50 44 36 100 76 52 29.98 29.91 29.83 10 8 2 18 8 24 0.11 Rain
26 59 53 47 57 52 46 100 90 80 29.82 29.74 29.67 9 4 2 21 12 26 0.36 Rain
27 68 59 50 55 51 45 100 73 45 29.89 29.84 29.76 10 8 4 17 10 22 0.00  
28 75 65 54 58 56 54 100 79 57 29.89 29.85 29.82 10 9 4 9 4 13 0.00  
29 75 65 55 56 46 35 100 63 25 30.04 29.89 29.79 10 10 7 41 17 54 T  
30 70 55 39 46 41 34 86 58 29 30.21 30.14 30.06 10 10 10 23 12 26 0.00