Weather History for Harlan, IA

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Month of September, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 93 °F 78 °F 66 °F
Mean Temperature 80 °F 67 °F 55 °F
Min Temperature 69 °F 55 °F 37 °F
Degree Days  
Heating Degree Days (base 65) 10 2 0 69
Cooling Degree Days (base 65) 16 4 0 128
Growing Degree Days (base 50) 30 17 5 509
Dew Point  
Dew Point 75 °F 58 °F 37 °F
Precipitation  
Precipitation 0.95 in 0.07 in 0.00 in 2.06 in
Snowdepth - - - -
Wind  
Wind 30 mph 7 mph 0 mph
Gust Wind 41 mph 19 mph 12 mph
Sea Level Pressure  
Sea Level Pressure 30.37 in 30.01 in 29.73 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Sep. 09, 2013 Rise Set
Actual Time 6:55 AM CDT 7:40 PM CDT
Civil Twilight 6:27 AM CDT 8:08 PM CDT
Nautical Twilight 5:54 AM CDT 8:41 PM CDT
Astronomical Twilight 5:19 AM CDT 9:16 PM CDT
Moon 11:22 AM CDT (9/9) 9:53 PM CDT (9/9)
Length of Visible Light 13h 40m
Length of Day
12h 44m
Waxing Crescent, 19% of the Moon is Illuminated
Sep 9
Waxing Crescent
Sep 12
First Quarter
Sep 19
Full
Sep 26
Last Quarter
Oct 4
New

Weather History Calendar

Precipitation Actual month total 2.06 Average Month Total: 4.09
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
Rain
Actual:
78 | 62 0.19
Average:
81 | 59 0.09
Clear
Actual:
77 | 53 0.00
Average:
80 | 59 0.18
Fog
Actual:
80 | 48 0.00
Average:
81 | 59 0.09
Clear
Actual:
84 | 59 0.00
Average:
81 | 58 0.24
Rain
Actual:
80 | 68 0.13
Average:
79 | 56 0.06
Clear
Actual:
87 | 64 0.00
Average:
81 | 57 0.08
Clear
Actual:
86 | 69 0.00
Average:
81 | 57 0.13
Fog
Actual:
89 | 64 0.00
Average:
78 | 56 0.26
Fog
Actual:
93 | 68 0.00
Average:
78 | 55 0.15
Rain
Actual:
91 | 62 0.00
Average:
78 | 54 0.12
Rain
Actual:
82 | 68 0.10
Average:
78 | 54 0.29
Clear
Actual:
77 | 53 0.00
Average:
78 | 55 0.28
Clear
Actual:
73 | 46 0.00
Average:
75 | 53 0.40
Clear
Actual:
75 | 42 0.00
Average:
73 | 52 0.09
Mostly Cloudy
Actual:
66 | 60 0.00
Average:
72 | 50 0.18
Partly Cloudy
Actual:
68 | 51 0.00
Average:
71 | 51 0.15
Rain
Actual:
68 | 55 0.95
Average:
74 | 51 0.09
Partly Cloudy
Actual:
87 | 66 0.04
Average:
75 | 53 0.06
Rain
Actual:
78 | 59 0.28
Average:
75 | 53 0.09
Clear
Actual:
68 | 44 0.00
Average:
73 | 50 0.16
Clear
Actual:
73 | 37 0.00
Average:
72 | 49 0.03
Clear
Actual:
78 | 48 0.00
Average:
70 | 47 0.08
Rain
Actual:
77 | 51 0.00
Average:
69 | 46 0.07
Rain
Actual:
66 | 53 0.12
Average:
70 | 46 0.08
Clear
Actual:
78 | 48 0.00
Average:
72 | 48 0.13
Clear
Actual:
84 | 62 0.00
Average:
73 | 46 0.23
Clear
Actual:
86 | 68 0.00
Average:
72 | 49 0.03
Partly Cloudy
Actual:
73 | 44 0.25
Average:
71 | 47 0.09
Clear
Actual:
75 | 41 0.00
Average:
72 | 47 0.12
Clear
Actual:
78 | 50 0.00
Average:
73 | 47 0.04
 

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
Sep high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 78 70 62 68 64 61 100 80 54 30.05 29.95 29.82 10 10 4 25 7 37 0.19 Rain
2 77 65 53 63 57 54 100 82 53 30.14 30.09 30.05 10 10 1 10 4 23 0.00  
3 80 64 48 66 58 48 100 81 54 30.16 30.11 30.07 10 9 0 8 2 14 0.00 Fog
4 84 72 59 70 64 57 100 80 51 30.21 30.16 30.09 10 10 8 10 2 13 0.00  
5 80 74 68 72 67 64 100 86 58 30.26 30.20 30.16 10 10 5 10 3 12 0.13 Rain
6 87 76 64 70 67 63 94 75 52 30.16 30.07 29.97 10 10 10 20 5 25 0.00  
7 86 78 69 73 70 66 100 81 62 29.98 29.95 29.92 10 9 3 15 7 20 0.00  
8 89 76 64 75 71 64 100 83 59 29.98 29.92 29.85 10 7 0 12 4 17 0.00 Fog
9 93 80 68 72 67 64 100 72 38 29.91 29.86 29.83 10 9 0 20 5 28 0.00 Fog
10 91 76 62 72 66 61 94 73 46 30.10 29.99 29.91 10 10 8 18 7 24 0.00 Rain
11 82 75 68 72 68 63 100 84 51 30.15 30.13 30.09 10 9 3 10 4 13 0.10 Rain
12 77 65 53 68 54 46 100 67 34 30.28 30.22 30.15 10 10 6 15 5 23 0.00  
13 73 60 46 52 48 45 100 71 36 30.29 30.22 30.13 10 10 9 8 2 15 0.00  
14 75 58 42 57 49 41 100 70 44 30.13 30.05 29.93 10 10 9 20 5 28 0.00  
15 66 63 60 63 56 52 94 75 64 30.29 30.07 29.89 10 10 9 17 11 24 0.00  
16 68 60 51 55 53 50 100 79 56 30.37 30.31 30.25 10 10 2 16 7 22 0.00  
17 68 62 55 66 60 54 100 95 88 30.27 30.10 29.95 10 7 2 16 8 20 0.95 Rain
18 87 76 66 70 68 64 100 78 52 29.96 29.84 29.75 10 8 3 23 14 32 0.04  
19 78 68 59 70 64 52 100 81 64 30.01 29.85 29.77 10 10 3 17 12 25 0.28 Rain
20 68 56 44 54 48 43 94 74 43 30.09 30.04 30.00 10 10 10 17 9 25 0.00  
21 73 55 37 54 45 37 100 75 37 30.08 30.01 29.93 10 10 3 10 1 15 0.00  
22 78 63 48 55 52 46 94 70 39 29.97 29.92 29.87 10 10 9 22 5 29 0.00  
23 77 64 51 54 51 48 94 65 38 29.92 29.87 29.80 10 10 8 22 11 31 0.00 Rain
24 66 60 53 59 56 52 100 87 68 29.95 29.89 29.81 10 9 2 13 7 16 0.12 Rain
25 78 63 48 61 56 48 100 77 44 29.97 29.91 29.82 10 8 2 16 5 23 0.00  
26 84 73 62 61 60 57 94 69 40 29.90 29.86 29.82 10 10 8 25 14 34 0.00  
27 86 77 68 63 60 57 78 60 37 29.93 29.88 29.82 10 10 10 30 15 41 0.00  
28 73 58 44 64 53 43 100 77 45 30.09 29.92 29.73 10 9 1 24 13 36 0.25  
29 75 58 41 50 44 41 100 66 29 30.10 30.02 29.93 10 10 4 20 6 30 0.00  
30 78 64 50 52 50 46 94 66 36 29.95 29.83 29.75 10 10 10 22 9 30 0.00