Weather History for Harlan, IA

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Month of December, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 60 °F 35 °F 12 °F
Mean Temperature 44 °F 26 °F 6 °F
Min Temperature 37 °F 17 °F 0 °F
Degree Days  
Heating Degree Days (base 65) 58 39 21 1209
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 0 0 0 0
Dew Point  
Dew Point 57 °F 20 °F -4 °F
Precipitation  
Precipitation 0.42 in 0.02 in 0.00 in 0.61 in
Snowdepth - - - -
Wind  
Wind 37 mph 8 mph 0 mph
Gust Wind 43 mph 22 mph 9 mph
Sea Level Pressure  
Sea Level Pressure 30.49 in 30.02 in 29.49 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Dec. 04, 2012 Rise Set
Actual Time 7:32 AM CST 4:51 PM CST
Civil Twilight 7:01 AM CST 5:22 PM CST
Nautical Twilight 6:26 AM CST 5:57 PM CST
Astronomical Twilight 5:52 AM CST 6:30 PM CST
Moon 10:42 PM CST (12/4) 11:24 AM CST (12/4)
Length of Visible Light 10h 21m
Length of Day
9h 19m
Waning Gibbous, 69% of the Moon is Illuminated
Dec 4
Waning Gibbous
Dec 6
Last Quarter
Dec 13
New
Dec 19
First Quarter
Dec 28
Full

Weather History Calendar

Precipitation Actual month total 0.61 Average Month Total: 0.87
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Fog
Actual:
55 | 30 0.00
Average:
37 | 20 0.04
Fog
Actual:
55 | 28 0.01
Average:
36 | 20 0.02
Scattered Clouds
Actual:
60 | 28 0.00
Average:
36 | 18 0.02
Clear
Actual:
57 | 26 0.00
Average:
37 | 18 0.03
Clear
Actual:
51 | 26 0.00
Average:
39 | 21 0.01
Rain
Actual:
46 | 37 0.01
Average:
33 | 17 0.04
Partly Cloudy
Actual:
42 | 28 0.00
Average:
33 | 16 0.02
Partly Cloudy
Actual:
37 | 17 0.00
Average:
34 | 16 0.03
Snow
Actual:
35 | 12 0.03
Average:
34 | 17 0.02
Scattered Clouds
Actual:
26 | 3 0.00
Average:
35 | 16 0.01
Scattered Clouds
Actual:
42 | 19 0.00
Average:
34 | 15 0.01
Clear
Actual:
51 | 21 0.00
Average:
35 | 16 0.05
Clear
Actual:
48 | 21 0.00
Average:
34 | 15 0.02
Rain
Actual:
53 | 19 0.00
Average:
33 | 15 0.05
Rain
Actual:
46 | 33 0.42
Average:
32 | 15 0.05
Snow
Actual:
33 | 28 0.00
Average:
32 | 14 0.02
Mostly Cloudy
Actual:
32 | 23 0.03
Average:
32 | 14 0.02
Partly Cloudy
Actual:
33 | 21 0.00
Average:
33 | 14 0.04
Snow
Actual:
35 | 21 0.00
Average:
31 | 14 0.03
Partly Cloudy
Actual:
28 | 12 0.00
Average:
29 | 12 0.03
Clear
Actual:
19 | 3 0.03
Average:
30 | 11 0.02
Clear
Actual:
30 | 8 0.02
Average:
29 | 13 0.01
Scattered Clouds
Actual:
19 | 8 0.00
Average:
29 | 13 0.01
Snow
Actual:
19 | 8 0.00
Average:
30 | 10 0.05
Clear
Actual:
12 | 1 0.00
Average:
28 | 10 0.02
Clear
Actual:
17 | 0 0.00
Average:
31 | 11 0.01
Snow
Actual:
21 | 8 0.00
Average:
31 | 16 0.05
Snow
Actual:
21 | 14 0.00
Average:
31 | 15 0.05
Snow
Actual:
15 | 3 0.00
Average:
30 | 12 0.04
Clear
Actual:
39 | 0 0.06
Average:
28 | 9 0.04
Partly Cloudy
Actual:
21 | 6 0.00
Average:
26 | 8 0.01
 

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
Dec high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 55 42 30 55 45 30 100 98 81 30.02 29.89 29.79 7 2 0 10 3 - 0.00 Fog
2 55 42 28 52 40 28 100 96 72 30.06 29.96 29.84 10 3 0 9 1 - 0.01 Fog
3 60 44 28 57 40 25 100 78 36 30.11 29.84 29.66 10 7 2 26 11 34 0.00  
4 57 42 26 28 20 12 86 55 17 30.36 30.25 30.12 10 10 4 14 3 10 0.00  
5 51 38 26 27 23 19 80 55 34 30.38 30.19 29.96 10 10 10 22 9 29 0.00  
6 46 42 37 36 31 28 81 63 50 30.03 29.97 29.93 10 10 10 16 7 20 0.01 Rain
7 42 35 28 30 26 19 93 70 42 30.03 29.98 29.93 10 10 10 12 5 - 0.00  
8 37 27 17 30 26 16 100 83 65 30.05 29.98 29.92 10 8 3 15 4 18 0.00  
9 35 24 12 36 21 5 100 81 63 30.09 29.97 29.87 10 8 2 33 14 40 0.03 Rain , Snow
10 26 14 3 9 2 -2 85 60 29 30.09 30.02 29.93 10 10 10 21 12 28 0.00  
11 42 30 19 19 14 7 80 59 31 30.04 29.99 29.93 10 10 10 20 8 25 0.00  
12 51 36 21 18 12 3 86 45 14 30.05 30.02 29.97 10 10 10 30 12 38 0.00  
13 48 34 21 18 14 10 80 44 25 30.12 30.06 30.01 10 10 10 17 10 22 0.00  
14 53 36 19 39 25 14 93 63 35 30.11 29.93 29.65 10 10 7 17 7 23 0.00 Rain
15 46 40 33 45 40 32 100 95 66 29.73 29.59 29.49 10 6 1 22 13 26 0.42 Rain
16 33 30 28 32 29 27 100 92 86 29.83 29.79 29.73 10 6 1 14 8 - 0.00 Snow
17 32 28 23 30 28 23 100 98 87 29.82 29.74 29.66 10 5 2 9 2 - 0.03  
18 33 27 21 30 28 21 100 95 81 29.89 29.69 29.50 10 5 3 24 7 32 0.00  
19 35 28 21 34 29 21 100 97 87 29.96 29.88 29.75 7 3 0 30 5 34 0.00 Rain , Snow
20 28 20 12 27 17 9 100 89 79 30.21 29.97 29.76 10 9 2 37 26 43 0.00  
21 19 11 3 12 8 1 100 85 63 30.36 30.28 30.21 10 10 7 8 2 - 0.03  
22 30 19 8 25 15 7 100 83 64 30.21 30.05 29.94 10 10 7 14 4 - 0.02  
23 19 14 8 18 12 7 100 89 74 30.08 30.04 29.99 10 7 4 13 7 - 0.00  
24 19 14 8 18 10 1 100 83 67 30.29 30.13 30.02 10 8 2 20 13 24 0.00 Snow
25 12 6 1 7 1 -4 85 78 67 30.49 30.39 30.30 10 10 10 16 12 20 0.00  
26 17 8 0 10 3 -4 92 82 67 30.37 30.27 30.19 10 10 10 10 5 - 0.00  
27 21 14 8 19 14 5 93 89 85 30.21 30.10 30.03 10 8 0 12 4 - 0.00 Snow
28 21 18 14 19 18 10 100 93 86 30.11 30.03 29.98 10 5 1 16 5 18 0.00 Snow
29 15 9 3 12 8 0 100 88 73 30.25 30.20 30.11 10 7 2 18 9 23 0.00 Snow
30 39 20 0 27 14 -2 100 79 56 30.27 30.13 29.96 10 9 3 18 5 26 0.06  
31 21 14 6 18 13 3 100 84 68 30.28 30.20 30.11 10 10 5 12 8 16 0.00