Weather History for Le Mars, IA

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Month of September, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 93 °F 78 °F 60 °F
Mean Temperature 78 °F 61 °F 44 °F
Min Temperature 62 °F 44 °F 24 °F
Degree Days  
Heating Degree Days (base 65) 21 6 0 180
Cooling Degree Days (base 65) 12 2 0 50
Growing Degree Days (base 50) 28 11 0 335
Dew Point  
Dew Point 68 °F 43 °F 21 °F
Precipitation  
Precipitation 0.88 in 0.04 in 0.00 in 1.28 in
Snowdepth - - - -
Wind  
Wind 33 mph 5 mph 0 mph
Gust Wind 48 mph 21 mph 9 mph
Sea Level Pressure  
Sea Level Pressure 30.40 in 30.03 in 29.67 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Sep. 10, 2012 Rise Set
Actual Time 6:59 AM CDT 7:42 PM CDT
Civil Twilight 6:31 AM CDT 8:11 PM CDT
Nautical Twilight 5:57 AM CDT 8:44 PM CDT
Astronomical Twilight 5:22 AM CDT 9:19 PM CDT
Moon 1:15 AM CDT (9/10) 4:18 PM CDT (9/10)
Length of Visible Light 13h 40m
Length of Day
12h 42m
Waning Crescent, 30% of the Moon is Illuminated
Sep 10
Waning Crescent
Sep 15
New
Sep 22
First Quarter
Sep 29
Full
Oct 8
Last Quarter

Weather History Calendar

Precipitation Actual month total 1.28 Average Month Total: 2.57
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Clear
Actual:
89 | 59 0.00
Average:
81 | 57 0.04
Clear
Actual:
91 | 55 0.00
Average:
82 | 57 0.08
Rain
Actual:
86 | 62 0.00
Average:
82 | 57 0.13
Rain
Actual:
93 | 62 0.88
Average:
82 | 57 0.10
Clear
Actual:
80 | 50 0.00
Average:
81 | 55 0.12
Scattered Clouds
Actual:
84 | 44 0.00
Average:
82 | 55 0.05
Rain
Actual:
73 | 46 0.00
Average:
83 | 55 0.12
Clear
Actual:
82 | 39 0.00
Average:
81 | 54 0.11
Clear
Actual:
75 | 39 0.00
Average:
79 | 54 0.04
Clear
Actual:
84 | 44 0.00
Average:
81 | 53 0.03
Clear
Actual:
93 | 62 0.00
Average:
79 | 54 0.05
Rain
Actual:
77 | 53 0.27
Average:
78 | 54 0.18
Fog
Actual:
75 | 44 0.00
Average:
75 | 53 0.22
Clear
Actual:
80 | 46 0.00
Average:
74 | 50 0.16
Clear
Actual:
80 | 48 0.00
Average:
72 | 49 0.11
Scattered Clouds
Actual:
78 | 53 0.00
Average:
72 | 49 0.11
Rain
Actual:
66 | 42 0.13
Average:
75 | 50 0.05
Scattered Clouds
Actual:
66 | 33 0.00
Average:
76 | 50 0.08
Clear
Actual:
78 | 48 0.00
Average:
75 | 50 0.09
Clear
Actual:
69 | 42 0.00
Average:
73 | 47 0.14
Scattered Clouds
Actual:
71 | 44 0.00
Average:
73 | 47 0.06
Clear
Actual:
60 | 30 0.00
Average:
73 | 46 0.07
Clear
Actual:
64 | 24 0.00
Average:
71 | 42 0.05
Clear
Actual:
77 | 35 0.00
Average:
71 | 45 0.02
Clear
Actual:
82 | 37 0.00
Average:
72 | 46 0.06
Clear
Actual:
71 | 37 0.00
Average:
74 | 45 0.08
Clear
Actual:
73 | 28 0.00
Average:
73 | 45 0.00
Clear
Actual:
75 | 30 0.00
Average:
72 | 45 0.09
Clear
Actual:
80 | 35 0.00
Average:
71 | 44 0.10
Clear
Actual:
80 | 37 0.00
Average:
73 | 44 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

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 89 74 59 64 59 52 82 58 40 30.06 30.01 29.95 10 10 10 9 4 - 0.00  
2 91 73 55 63 61 55 100 61 36 29.99 29.91 29.82 10 10 10 14 6 20 0.00  
3 86 74 62 66 63 54 100 70 35 29.94 29.89 29.86 10 10 10 8 3 - 0.00 Rain
4 93 78 62 68 61 55 94 60 30 29.95 29.82 29.67 10 10 2 33 7 48 0.88 Rain
5 80 65 50 61 53 39 100 67 24 29.97 29.88 29.76 10 10 7 17 7 25 0.00  
6 84 64 44 57 47 43 100 58 23 30.02 29.90 29.76 10 10 10 18 4 24 0.00  
7 73 60 46 61 50 41 94 64 33 30.13 30.00 29.77 10 10 10 17 8 22 0.00 Rain
8 82 60 39 48 41 37 100 55 20 30.14 30.06 29.93 10 10 10 22 5 30 0.00  
9 75 57 39 48 44 39 100 62 31 30.25 30.16 30.09 10 10 7 6 2 - 0.00  
10 84 64 44 50 46 43 100 53 27 30.10 29.95 29.82 10 10 10 26 9 36 0.00  
11 93 78 62 52 48 45 68 39 19 29.87 29.81 29.75 10 10 7 25 15 34 0.00  
12 77 65 53 54 46 37 94 64 36 30.31 30.13 29.87 10 10 7 15 7 23 0.27 Rain
13 75 60 44 55 47 36 100 72 25 30.40 30.34 30.30 10 7 0 9 2 9 0.00 Fog
14 80 63 46 52 45 39 93 58 23 30.32 30.27 30.20 10 10 4 10 4 - 0.00  
15 80 64 48 54 43 36 87 50 21 30.23 30.14 30.03 10 10 10 21 11 25 0.00  
16 78 66 53 57 55 52 100 74 39 30.03 29.96 29.87 10 9 5 14 8 20 0.00  
17 66 55 42 57 42 30 93 62 30 30.08 30.02 29.93 10 10 10 17 8 26 0.13 Rain
18 66 50 33 39 34 30 100 61 28 30.10 30.02 29.87 10 10 5 12 2 - 0.00  
19 78 63 48 46 36 27 82 45 19 29.99 29.85 29.76 10 10 10 29 11 38 0.00  
20 69 56 42 39 30 27 62 40 21 30.05 29.99 29.91 10 10 7 15 3 23 0.00  
21 71 58 44 43 36 30 87 47 22 29.97 29.87 29.80 10 10 10 18 5 29 0.00  
22 60 45 30 34 27 21 87 52 23 30.30 30.22 29.97 10 10 10 16 8 24 0.00  
23 64 44 24 32 27 23 93 55 24 30.36 30.28 30.18 10 10 7 8 1 - 0.00  
24 77 56 35 41 35 27 81 51 24 30.18 29.98 29.83 10 10 10 18 5 22 0.00  
25 82 60 37 43 38 34 100 57 17 29.94 29.86 29.82 10 10 7 10 1 - 0.00  
26 71 54 37 36 29 21 81 46 15 30.18 30.09 29.96 10 9 2 10 3 16 0.00  
27 73 50 28 37 29 21 93 53 14 30.24 30.18 30.13 10 9 4 7 1 - 0.00  
28 75 52 30 37 31 25 93 55 15 30.21 30.16 30.11 10 9 1 6 1 - 0.00  
29 80 58 35 43 36 30 87 55 18 30.17 30.11 30.03 10 9 7 8 1 - 0.00  
30 80 58 37 43 39 34 93 59 23 30.05 29.97 29.91 10 10 7 7 1 - 0.00