Weather History for Spencer, IA

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Month of September, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 93 °F 78 °F 61 °F
Mean Temperature 80 °F 62 °F 44 °F
Min Temperature 66 °F 45 °F 25 °F
Degree Days  
Heating Degree Days (base 65) 20 6 0 168
Cooling Degree Days (base 65) 14 2 0 56
Growing Degree Days (base 50) 30 12 0 353
Dew Point  
Dew Point 69 °F 44 °F 19 °F
Precipitation  
Precipitation 0.71 in 0.04 in 0.00 in 1.21 in
Snowdepth - - - -
Wind  
Wind 30 mph 7 mph 0 mph
Gust Wind 48 mph 25 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.41 in 30.03 in 29.71 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Sep. 22, 2012 Rise Set
Actual Time 7:08 AM CDT 7:17 PM CDT
Civil Twilight 6:40 AM CDT 7:45 PM CDT
Nautical Twilight 6:06 AM CDT 8:18 PM CDT
Astronomical Twilight 5:32 AM CDT 8:52 PM CDT
Moon 2:36 PM CDT (9/22) No Moon Set
Length of Visible Light 13h 05m
Length of Day
12h 08m
Waxing Crescent, 49% of the Moon is Illuminated
Sep 22
Waxing Crescent
Sep 22
First Quarter
Sep 29
Full
Oct 8
Last Quarter
Oct 15
New

Weather History Calendar

Precipitation Actual month total 1.21 Average Month Total: 2.75
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Clear
Actual:
87 | 60 0.00
Average:
78 | 56 0.06
Clear
Actual:
91 | 55 0.00
Average:
80 | 56 0.04
Scattered Clouds
Actual:
84 | 64 0.00
Average:
80 | 56 0.11
Thunderstorm
Actual:
93 | 66 0.71
Average:
80 | 56 0.17
Thunderstorm
Actual:
81 | 53 0.00
Average:
79 | 54 0.16
Thunderstorm
Actual:
82 | 48 0.00
Average:
79 | 54 0.03
Thunderstorm
Actual:
71 | 48 0.10
Average:
79 | 54 0.17
Clear
Actual:
82 | 42 0.00
Average:
77 | 53 0.08
Clear
Actual:
75 | 41 0.00
Average:
75 | 52 0.02
Clear
Actual:
84 | 48 0.00
Average:
77 | 51 0.02
Clear
Actual:
93 | 62 0.00
Average:
77 | 52 0.09
Rain
Actual:
77 | 54 0.32
Average:
73 | 52 0.22
Partly Cloudy
Actual:
75 | 48 0.01
Average:
70 | 49 0.16
Clear
Actual:
80 | 51 0.00
Average:
69 | 47 0.20
Clear
Actual:
82 | 53 0.00
Average:
69 | 46 0.12
Scattered Clouds
Actual:
78 | 53 0.00
Average:
70 | 47 0.04
Rain
Actual:
66 | 39 0.07
Average:
74 | 49 0.02
Partly Cloudy
Actual:
66 | 33 0.00
Average:
72 | 50 0.04
Clear
Actual:
81 | 45 0.00
Average:
71 | 48 0.17
Scattered Clouds
Actual:
69 | 41 0.00
Average:
69 | 46 0.05
Rain
Actual:
73 | 44 0.00
Average:
69 | 45 0.06
Scattered Clouds
Actual:
61 | 33 0.00
Average:
67 | 41 0.02
Clear
Actual:
64 | 25 0.00
Average:
68 | 40 0.07
Clear
Actual:
79 | 37 0.00
Average:
68 | 44 0.06
Clear
Actual:
79 | 39 0.00
Average:
70 | 44 0.14
Clear
Actual:
70 | 34 0.00
Average:
70 | 43 0.07
Clear
Actual:
72 | 30 0.00
Average:
69 | 45 0.06
Clear
Actual:
78 | 34 0.00
Average:
66 | 44 0.10
Clear
Actual:
82 | 39 0.00
Average:
68 | 44 0.15
Clear
Actual:
82 | 43 0.00
Average:
69 | 43 0.05
 

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 87 74 60 68 60 53 78 64 43 30.07 30.02 29.97 10 10 10 10 6 - 0.00  
2 91 73 55 65 60 53 90 62 36 29.99 29.91 29.84 10 10 10 13 6 18 0.00  
3 84 74 64 69 66 61 90 76 58 29.92 29.89 29.85 10 10 9 8 3 - 0.00  
4 93 80 66 69 64 60 88 70 41 29.96 29.84 29.71 10 9 1 24 7 48 0.71 Rain , Thunderstorm
5 81 67 53 61 55 47 96 70 35 29.96 29.86 29.73 10 10 10 16 10 25 0.00 Rain , Thunderstorm
6 82 65 48 57 50 46 93 60 29 30.02 29.91 29.81 10 10 10 17 5 22 0.00 Thunderstorm
7 71 60 48 61 51 42 94 70 39 30.11 29.98 29.79 10 10 5 20 10 30 0.10 Rain , Thunderstorm
8 82 62 42 46 42 38 93 57 23 30.12 30.04 29.90 10 10 10 30 11 39 0.00  
9 75 57 41 51 46 40 96 69 35 30.25 30.17 30.10 10 10 10 9 6 - 0.00  
10 84 66 48 51 48 44 89 57 27 30.11 29.98 29.85 10 10 10 25 11 33 0.00  
11 93 76 62 52 50 46 70 42 21 29.86 29.81 29.75 10 10 10 26 14 38 0.00  
12 77 64 54 56 47 39 93 66 40 30.29 30.14 29.87 10 9 3 15 10 25 0.32 Rain
13 75 62 48 54 49 38 100 77 28 30.41 30.35 30.29 10 6 1 15 5 - 0.01  
14 80 66 51 50 45 36 77 54 20 30.32 30.28 30.22 10 10 10 12 6 - 0.00  
15 82 67 53 48 43 37 74 47 21 30.22 30.14 30.04 10 10 10 21 11 29 0.00  
16 78 66 53 58 54 48 100 73 43 30.03 29.96 29.89 10 8 2 16 9 21 0.00  
17 66 52 39 49 42 35 89 67 34 30.08 30.01 29.91 10 10 3 18 11 24 0.07 Rain
18 66 50 33 39 34 28 92 56 24 30.12 30.03 29.90 10 10 10 13 6 18 0.00  
19 81 63 45 45 37 28 69 45 20 29.96 29.83 29.72 10 10 10 25 12 38 0.00  
20 69 54 41 39 31 26 67 44 21 30.03 29.98 29.93 10 10 10 20 8 26 0.00  
21 73 59 44 43 37 32 73 50 24 29.94 29.87 29.83 10 10 10 24 8 31 0.00 Rain
22 61 48 33 36 28 19 72 51 27 30.32 30.22 29.99 10 10 10 20 14 29 0.00  
23 64 44 25 30 25 21 88 54 19 30.38 30.31 30.21 10 10 10 8 3 - 0.00  
24 79 58 37 41 34 27 70 46 21 30.20 29.99 29.84 10 10 10 24 9 30 0.00  
25 79 58 39 42 37 32 89 54 19 29.95 29.88 29.83 10 10 10 12 6 - 0.00  
26 70 52 34 35 31 28 82 51 22 30.21 30.11 29.99 10 10 10 14 6 20 0.00  
27 72 50 30 38 32 27 89 60 22 30.27 30.21 30.17 10 10 9 9 4 - 0.00  
28 78 56 34 42 34 30 89 51 19 30.25 30.19 30.14 10 9 5 7 2 - 0.00  
29 82 60 39 41 36 32 82 50 19 30.19 30.12 30.04 10 9 5 6 1 - 0.00  
30 82 62 43 42 38 36 80 50 21 30.04 29.98 29.91 10 10 7 6 1 - 0.00