Weather History for Janesville, WI

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Month of September, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 93 °F 75 °F 55 °F
Mean Temperature 78 °F 62 °F 48 °F
Min Temperature 68 °F 49 °F 33 °F
Degree Days  
Heating Degree Days (base 65) 18 6 0 176
Cooling Degree Days (base 65) 14 3 0 81
Growing Degree Days (base 50) 28 12 0 358
Dew Point  
Dew Point 68 °F 46 °F 21 °F
Precipitation  
Precipitation 0.46 in 0.02 in 0.00 in 0.50 in
Snowdepth - - - -
Wind  
Wind 29 mph 4 mph 0 mph
Gust Wind 43 mph 21 mph 9 mph
Sea Level Pressure  
Sea Level Pressure 30.34 in 30.01 in 29.73 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Sep. 17, 2012 Rise Set
Actual Time 6:38 AM CDT 7:01 PM CDT
Civil Twilight 6:10 AM CDT 7:29 PM CDT
Nautical Twilight 5:37 AM CDT 8:02 PM CDT
Astronomical Twilight 5:02 AM CDT 8:36 PM CDT
Moon 8:31 AM CDT (9/17) 7:39 PM CDT (9/17)
Length of Visible Light 13h 19m
Length of Day
12h 22m
Waxing Crescent, 3% of the Moon is Illuminated
Sep 17
Waxing Crescent
Sep 22
First Quarter
Sep 29
Full
Oct 8
Last Quarter
Oct 15
New

Weather History Calendar

Precipitation Actual month total 0.50 Average Month Total: 0.63
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Partly Cloudy
Actual:
80 | 66 0.00
Average:
76 | 54 0.01
Partly Cloudy
Actual:
89 | 68 0.00
Average:
76 | 54 0.01
Scattered Clouds
Actual:
93 | 64 0.00
Average:
76 | 54 0.01
Thunderstorm
Actual:
93 | 64 0.46
Average:
76 | 54 0.01
Thunderstorm
Actual:
89 | 62 0.00
Average:
76 | 54 0.01
Fog
Actual:
80 | 60 0.00
Average:
76 | 53 0.01
Rain
Actual:
73 | 53 0.00
Average:
76 | 53 0.01
Rain
Actual:
73 | 50 0.04
Average:
75 | 53 0.01
Partly Cloudy
Actual:
73 | 51 0.00
Average:
75 | 52 0.01
Clear
Actual:
78 | 48 0.00
Average:
74 | 52 0.01
Clear
Actual:
84 | 59 0.00
Average:
74 | 51 0.02
Scattered Clouds
Actual:
87 | 62 0.00
Average:
73 | 51 0.02
Rain
Actual:
66 | 50 0.00
Average:
73 | 50 0.02
Fog
Actual:
77 | 41 0.00
Average:
72 | 50 0.02
Clear
Actual:
80 | 44 0.00
Average:
72 | 49 0.02
Clear
Actual:
78 | 48 0.00
Average:
71 | 49 0.02
Thunderstorm
Actual:
78 | 51 0.00
Average:
70 | 48 0.02
Scattered Clouds
Actual:
59 | 41 0.00
Average:
70 | 47 0.03
Thunderstorm
Actual:
75 | 37 0.00
Average:
69 | 47 0.03
Clear
Actual:
69 | 44 0.00
Average:
69 | 46 0.03
Rain
Actual:
55 | 44 0.00
Average:
68 | 46 0.03
Partly Cloudy
Actual:
57 | 41 0.00
Average:
68 | 45 0.03
Scattered Clouds
Actual:
60 | 35 0.00
Average:
67 | 45 0.03
Clear
Actual:
71 | 33 0.00
Average:
67 | 45 0.03
Clear
Actual:
80 | 46 0.00
Average:
66 | 44 0.03
Scattered Clouds
Actual:
69 | 46 0.00
Average:
66 | 44 0.03
Scattered Clouds
Actual:
64 | 35 0.00
Average:
65 | 43 0.03
Clear
Actual:
69 | 35 0.00
Average:
64 | 43 0.03
Clear
Actual:
80 | 41 0.00
Average:
64 | 42 0.03
Clear
Actual:
69 | 41 0.00
Average:
63 | 42 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 80 73 66 59 55 50 73 56 36 30.09 30.05 29.98 10 10 10 20 8 25 0.00  
2 89 78 68 64 61 57 78 67 43 29.98 29.94 29.89 10 10 10 15 8 20 0.00  
3 93 78 64 68 63 59 88 68 32 29.96 29.92 29.88 10 10 6 9 3 - 0.00  
4 93 78 64 68 62 54 88 67 26 29.97 29.88 29.80 10 9 2 20 4 32 0.46 Rain , Thunderstorm
5 89 76 62 64 60 54 88 71 29 29.94 29.82 29.76 10 10 4 23 7 36 0.00 Rain , Thunderstorm
6 80 70 60 63 55 43 94 70 26 29.96 29.91 29.85 10 9 0 10 2 - 0.00 Fog
7 73 64 53 63 57 52 94 80 57 29.91 29.87 29.81 10 8 4 12 2 17 0.00 Rain
8 73 62 50 54 48 43 94 73 35 29.93 29.88 29.78 10 10 7 23 8 37 0.04 Rain
9 73 62 51 54 49 43 94 75 36 30.16 30.03 29.89 10 10 10 16 6 22 0.00  
10 78 63 48 63 47 41 94 68 26 30.21 30.14 30.07 10 10 4 14 3 20 0.00  
11 84 72 59 54 49 46 68 53 29 30.10 30.06 30.00 10 10 10 20 9 25 0.00  
12 87 74 62 57 50 34 73 50 27 30.16 30.09 30.04 10 10 10 17 10 23 0.00  
13 66 58 50 52 45 34 94 66 30 30.34 30.27 30.16 10 8 0 15 6 22 0.00 Fog , Rain
14 77 59 41 54 42 34 93 73 21 30.34 30.31 30.26 10 6 0 15 2 21 0.00 Fog
15 80 62 44 50 42 36 93 63 20 30.31 30.23 30.13 10 10 7 10 1 - 0.00  
16 78 63 48 48 43 36 82 57 22 30.13 30.05 29.95 10 10 10 14 2 22 0.00  
17 78 64 51 61 49 45 88 73 44 29.95 29.87 29.74 10 10 2 24 4 30 0.00 Rain , Thunderstorm
18 59 50 41 45 38 27 93 70 29 30.02 29.92 29.86 10 10 10 18 7 24 0.00  
19 75 56 37 50 38 34 87 63 25 30.02 29.91 29.73 10 10 7 29 5 43 0.00 Rain , Thunderstorm
20 69 56 44 43 38 21 93 58 16 29.93 29.88 29.84 10 10 10 22 5 30 0.00  
21 55 50 44 48 42 36 88 77 51 29.92 29.87 29.79 10 9 2 12 2 - 0.00 Rain
22 57 49 41 46 40 34 93 76 48 30.17 29.96 29.76 10 10 5 22 5 30 0.00  
23 60 48 35 37 33 23 93 71 23 30.26 30.21 30.18 10 10 10 14 2 21 0.00  
24 71 52 33 36 33 27 93 64 21 30.21 30.06 29.86 10 10 10 22 3 28 0.00  
25 80 63 46 50 42 36 88 58 23 29.90 29.84 29.78 10 10 10 12 5 - 0.00  
26 69 58 46 50 44 34 94 74 27 30.18 30.03 29.89 10 9 4 12 4 - 0.00  
27 64 50 35 45 40 34 93 75 48 30.25 30.20 30.18 10 9 2 15 3 20 0.00  
28 69 52 35 45 37 32 93 70 25 30.23 30.16 30.12 10 8 0 8 1 - 0.00  
29 80 60 41 43 39 32 93 67 17 30.12 30.06 29.95 11 10 10 12 2 17 0.00  
30 69 55 41 50 40 37 93 70 31 30.01 29.98 29.94 10 10 5 13 3 18 0.00