Weather History for Rockford, IL

Month of September, 2012 — View Current Weather Conditions
Month of September, 2012
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Daily Weekly Monthly Custom
  Max Avg Min Sum
Temperature
Max Temperature 96 °F 76 °F 55 °F
Mean Temperature 82 °F 63 °F 48 °F
Min Temperature 70 °F 49 °F 31 °F
Degree Days
Heating Degree Days (base 65) 17 5 0 144
Cooling Degree Days (base 65) 17 3 0 92
Growing Degree Days (base 50) 31 13 0 390
Dew Point
Dew Point 69 °F 48 °F 27 °F
Precipitation
Precipitation 0.41 in 0.06 in 0.00 in 1.74 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind
Wind 40 mph 7 mph 0 mph
Gust Wind 55 mph 23 mph 16 mph
Sea Level Pressure
Sea Level Pressure 30.38 in 30.03 in 29.76 in
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Date:
Astronomy
Sep. 21, 2012 Rise Set
Actual Time 6:43 AM CDT 6:54 PM CDT
Civil Twilight 6:15 AM CDT 7:22 PM CDT
Nautical Twilight 5:42 AM CDT 7:55 PM CDT
Astronomical Twilight 5:08 AM CDT 8:28 PM CDT
Moon 1:11 PM CDT (9/21) 10:48 PM CDT (9/21)
Length Of Visible Light 13h 07m
Length of Day
12h 11m
Waxing Crescent, 37% of the Moon is Illuminated
Sep 21
Waxing Crescent
Sep 22
First Quarter
Sep 29
Full
Oct 8
Last Quarter
Oct 15
New
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Monthly Calendar Weather History Overview
Print This Weather Calendar Precipitation: Actual month total 1.74 Normal month total 3.35
« Previous Month « 2011 September 2012 2013 » Next Month »
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
1 Rain
Actual: 77 | 70
Precip: T
Average: 80 | 59
Precip: 0.12
2 Partly Cloudy
Actual: 89 | 70
Precip: 0.00
Average: 80 | 58
Precip: 0.13
3 Partly Cloudy
Actual: 96 | 67
Precip: T
Average: 80 | 58
Precip: 0.11
4 Thunderstorm
Actual: 96 | 63
Precip: 0.41
Average: 80 | 58
Precip: 0.12
5 Thunderstorm
Actual: 90 | 63
Precip: 0.19
Average: 79 | 57
Precip: 0.11
6 Scattered Clouds
Actual: 85 | 62
Precip: 0.00
Average: 79 | 57
Precip: 0.12
7 Rain
Actual: 76 | 57
Precip: 0.15
Average: 79 | 56
Precip: 0.11
8 Rain
Actual: 74 | 51
Precip: 0.12
Average: 78 | 56
Precip: 0.12
9 Partly Cloudy
Actual: 73 | 52
Precip: 0.00
Average: 78 | 56
Precip: 0.12
10 Scattered Clouds
Actual: 78 | 48
Precip: 0.00
Average: 78 | 55
Precip: 0.11
11 Scattered Clouds
Actual: 85 | 52
Precip: 0.00
Average: 77 | 55
Precip: 0.11
12 Partly Cloudy
Actual: 89 | 59
Precip: 0.00
Average: 77 | 54
Precip: 0.11
13 Rain
Actual: 66 | 49
Precip: 0.27
Average: 77 | 54
Precip: 0.11
14 Fog
Actual: 75 | 44
Precip: 0.00
Average: 76 | 53
Precip: 0.11
15 Scattered Clouds
Actual: 81 | 47
Precip: 0.00
Average: 76 | 53
Precip: 0.11
16 Scattered Clouds
Actual: 77 | 47
Precip: 0.00
Average: 76 | 52
Precip: 0.11
17 Thunderstorm
Actual: 80 | 50
Precip: 0.36
Average: 75 | 52
Precip: 0.12
18 Partly Cloudy
Actual: 63 | 41
Precip: 0.00
Average: 75 | 51
Precip: 0.11
19 Thunderstorm
Actual: 75 | 38
Precip: T
Average: 74 | 51
Precip: 0.11
20 Partly Cloudy
Actual: 71 | 46
Precip: 0.00
Average: 74 | 50
Precip: 0.11
21 Rain
Actual: 55 | 44
Precip: 0.24
Average: 73 | 50
Precip: 0.12
22 Partly Cloudy
Actual: 60 | 41
Precip: 0.00
Average: 73 | 49
Precip: 0.11
23 Fog
Actual: 61 | 35
Precip: 0.00
Average: 73 | 49
Precip: 0.11
24 Scattered Clouds
Actual: 73 | 31
Precip: 0.00
Average: 72 | 49
Precip: 0.11
25 Scattered Clouds
Actual: 82 | 43
Precip: 0.00
Average: 72 | 48
Precip: 0.11
26 Partly Cloudy
Actual: 73 | 49
Precip: 0.00
Average: 71 | 48
Precip: 0.11
27 Partly Cloudy
Actual: 67 | 40
Precip: 0.00
Average: 71 | 47
Precip: 0.10
28 Scattered Clouds
Actual: 71 | 40
Precip: 0.00
Average: 70 | 47
Precip: 0.10
29 Scattered Clouds
Actual: 83 | 41
Precip: 0.00
Average: 70 | 46
Precip: 0.10
30 Partly Cloudy
Actual: 71 | 44
Precip: 0.00
Average: 70 | 46
Precip: 0.10
 
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 77 74 70 65 59 54 78 64 49 30.08 30.03 29.97 10 10 10 22 13 26 T Rain
2 89 80 70 69 66 61 84 69 53 29.96 29.93 29.88 10 10 8 18 11 24 0.00  
3 96 82 67 69 65 60 93 65 36 29.95 29.91 29.87 10 10 7 13 3 16 T  
4 96 80 63 69 64 57 87 61 34 29.97 29.88 29.80 10 9 1 40 6 55 0.41 Rain , Thunderstorm
5 90 77 63 67 61 58 90 65 39 29.98 29.83 29.76 10 10 7 26 8 33 0.19 Rain , Thunderstorm
6 85 74 62 64 56 47 87 58 28 29.96 29.92 29.86 10 10 10 13 3 17 0.00  
7 76 67 57 63 58 53 93 77 60 29.91 29.87 29.81 10 9 4 22 8 25 0.15 Rain
8 74 63 51 55 48 45 93 64 35 29.96 29.90 29.82 10 10 4 22 11 28 0.12 Rain
9 73 63 52 55 49 42 93 64 35 30.19 30.07 29.92 10 10 10 21 10 29 0.00  
10 78 63 48 52 48 44 93 62 30 30.24 30.17 30.09 10 10 8 17 6 22 0.00  
11 85 69 52 55 52 48 89 61 32 30.14 30.09 30.03 10 10 10 23 12 29 0.00  
12 89 74 59 58 55 47 80 55 29 30.15 30.10 30.06 10 10 10 17 9 24 0.00  
13 66 58 49 52 47 40 96 68 40 30.37 30.31 30.17 10 7 1 24 9 28 0.27 Fog , Rain
14 75 60 44 52 45 42 100 66 31 30.38 30.34 30.29 10 4 0 16 4 21 0.00 Fog
15 81 64 47 51 45 41 86 56 25 30.35 30.25 30.15 10 10 10 10 3 14 0.00  
16 77 62 47 51 46 41 86 58 29 30.15 30.07 29.98 10 10 10 18 5 23 0.00  
17 80 65 50 61 54 46 93 70 47 29.98 29.87 29.76 10 8 0 22 8 25 0.36 Rain , Thunderstorm
18 63 52 41 46 37 29 93 62 30 30.06 29.96 29.86 10 10 0 18 9 26 0.00  
19 75 57 38 48 40 34 85 58 31 30.07 29.93 29.78 10 10 10 32 13 40 T Rain , Thunderstorm
20 71 59 46 45 38 30 86 55 23 29.96 29.91 29.85 10 10 10 23 8 31 0.00  
21 55 50 44 50 45 37 100 83 66 29.97 29.90 29.83 10 10 7 15 4 20 0.24 Fog , Rain
22 60 51 41 48 40 33 100 74 47 30.22 30.02 29.83 10 10 10 23 10 31 0.00  
23 61 48 35 40 33 27 92 60 27 30.31 30.26 30.22 10 10 10 16 4 22 0.00 Fog
24 73 52 31 39 34 30 92 59 25 30.25 30.08 29.91 10 10 10 21 8 28 0.00  
25 82 63 43 54 47 39 86 61 35 29.92 29.86 29.80 10 10 10 13 3 15 0.00  
26 73 61 49 52 47 38 100 68 35 30.20 30.04 29.90 10 10 9 15 8 20 0.00  
27 67 54 40 46 42 38 92 70 48 30.28 30.23 30.19 10 10 10 16 5 20 0.00  
28 71 56 40 44 41 38 100 66 31 30.25 30.19 30.14 10 10 7 7 4 9 0.00  
29 83 62 41 45 41 37 93 57 20 30.15 30.07 29.95 10 10 10 20 6 24 0.00  
30 71 58 44 50 43 40 93 63 33 30.02 29.99 29.94 10 10 10 15 6 28 0.00  
Comma Delimited File