Weather History for Rockford, IL

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Month of August, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 95 °F 84 °F 72 °F
Mean Temperature 82 °F 72 °F 64 °F
Min Temperature 69 °F 60 °F 50 °F
Degree Days  
Heating Degree Days (base 65) 1 0 0 2
Cooling Degree Days (base 65) 17 7 0 223
Growing Degree Days (base 50) 31 22 14 683
Dew Point  
Dew Point 70 °F 58 °F 43 °F
Precipitation  
Precipitation 0.83 in 0.08 in 0.00 in 2.38 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 46 mph 6 mph 0 mph
Gust Wind 56 mph 22 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.19 in 29.99 in 29.76 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Aug. 10, 2012 Rise Set
Actual Time 5:59 AM CDT 8:03 PM CDT
Civil Twilight 5:28 AM CDT 8:33 PM CDT
Nautical Twilight 4:50 AM CDT 9:11 PM CDT
Astronomical Twilight 4:09 AM CDT 9:52 PM CDT
Moon No Moon Rise 2:45 PM CDT (8/10)
Length of Visible Light 15h 05m
Length of Day
14h 04m
Last Quarter, 41% of the Moon is Illuminated
Aug 10
Last Quarter
Aug 17
New
Aug 24
First Quarter
Aug 31
Full
Sep 8
Last Quarter

Weather History Calendar

Precipitation Actual month total 2.38 Normal Month Total: 4.59
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Scattered Clouds
Actual:
89 | 64 0.00
Average:
84 | 63 0.15
Partly Cloudy
Actual:
90 | 67 0.00
Average:
84 | 63 0.15
Scattered Clouds
Actual:
94 | 69 0.00
Average:
84 | 63 0.14
Thunderstorm
Actual:
91 | 68 0.45
Average:
83 | 62 0.15
Scattered Clouds
Actual:
82 | 60 0.00
Average:
83 | 62 0.15
Clear
Actual:
83 | 56 0.00
Average:
83 | 62 0.15
Scattered Clouds
Actual:
92 | 60 0.00
Average:
83 | 62 0.14
Rain
Actual:
81 | 65 0.83
Average:
83 | 62 0.15
Rain
Actual:
74 | 60 0.18
Average:
83 | 62 0.15
Partly Cloudy
Actual:
76 | 56 0.00
Average:
83 | 62 0.15
Scattered Clouds
Actual:
79 | 52 0.00
Average:
83 | 62 0.15
Rain
Actual:
73 | 54 0.02
Average:
83 | 62 0.16
Rain
Actual:
72 | 57 0.20
Average:
83 | 62 0.16
Fog
Actual:
83 | 54 0.00
Average:
83 | 62 0.16
Rain
Actual:
84 | 63 T
Average:
83 | 62 0.17
Thunderstorm
Actual:
77 | 60 0.33
Average:
83 | 62 0.15
Scattered Clouds
Actual:
76 | 53 0.00
Average:
83 | 62 0.17
Fog
Actual:
77 | 50 0.00
Average:
82 | 61 0.15
Thunderstorm
Actual:
77 | 54 0.06
Average:
82 | 61 0.15
Scattered Clouds
Actual:
79 | 52 0.00
Average:
82 | 61 0.15
Scattered Clouds
Actual:
81 | 51 0.00
Average:
82 | 61 0.14
Scattered Clouds
Actual:
86 | 51 T
Average:
82 | 61 0.14
Partly Cloudy
Actual:
93 | 64 0.00
Average:
82 | 61 0.14
Partly Cloudy
Actual:
95 | 66 0.00
Average:
82 | 61 0.14
Partly Cloudy
Actual:
92 | 63 0.00
Average:
82 | 60 0.14
Rain
Actual:
75 | 66 0.31
Average:
82 | 60 0.14
Fog
Actual:
89 | 63 0.00
Average:
81 | 60 0.15
Scattered Clouds
Actual:
89 | 58 0.00
Average:
81 | 60 0.14
Scattered Clouds
Actual:
88 | 62 0.00
Average:
81 | 59 0.13
Clear
Actual:
93 | 63 0.00
Average:
81 | 59 0.14
Partly Cloudy
Actual:
94 | 66 0.00
Average:
81 | 59 0.14
 

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
Aug high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 89 77 64 67 64 60 93 66 38 29.99 29.93 29.86 10 9 3 9 5 - 0.00  
2 90 79 67 65 63 61 87 63 38 29.91 29.86 29.81 10 10 10 13 5 17 0.00  
3 94 82 69 68 64 61 84 60 36 29.90 29.87 29.85 10 9 4 15 6 18 0.00  
4 91 80 68 70 68 66 93 73 52 29.95 29.88 29.79 10 9 1 46 5 56 0.45 Rain , Thunderstorm
5 82 71 60 67 58 49 93 64 34 30.18 30.07 29.94 10 10 10 17 7 23 0.00  
6 83 70 56 58 54 50 86 60 34 30.19 30.12 30.01 10 10 10 12 3 18 0.00  
7 92 76 60 66 60 56 84 59 34 30.01 29.96 29.90 10 10 10 15 6 21 0.00  
8 81 73 65 66 64 60 87 73 58 30.03 29.99 29.94 10 8 1 15 5 17 0.83 Rain
9 74 67 60 66 62 57 93 81 68 29.96 29.93 29.89 10 9 2 18 7 22 0.18 Rain
10 76 66 56 58 54 45 90 63 35 30.01 29.97 29.91 10 10 10 24 12 30 0.00  
11 79 66 52 55 50 47 83 58 33 30.06 30.02 29.99 10 10 10 16 5 28 0.00  
12 73 64 54 62 55 51 93 70 46 30.06 30.02 29.99 10 10 10 10 2 12 0.02 Rain
13 72 65 57 61 60 56 93 81 68 30.01 29.99 29.96 10 7 2 12 3 13 0.20 Rain
14 83 69 54 64 57 53 100 70 40 29.98 29.95 29.90 10 7 0 13 3 16 0.00 Fog
15 84 74 63 64 60 57 90 67 43 29.96 29.92 29.85 10 10 7 16 7 22 T Rain
16 77 69 60 66 59 52 87 69 50 29.96 29.85 29.76 10 9 3 30 10 39 0.33 Rain , Thunderstorm
17 76 65 53 52 49 45 83 58 33 30.05 30.02 29.98 10 10 10 15 6 23 0.00  
18 77 64 50 55 50 45 93 63 33 30.06 30.01 29.94 10 10 10 10 2 14 0.00 Fog
19 77 66 54 55 53 48 86 62 38 30.00 29.97 29.93 10 10 10 15 3 20 0.06 Rain , Thunderstorm
20 79 66 52 58 52 49 96 66 35 30.03 29.99 29.95 10 10 10 14 2 16 0.00  
21 81 66 51 55 49 43 96 62 28 30.11 30.08 30.04 10 10 10 10 2 13 0.00  
22 86 69 51 56 52 48 89 60 31 30.13 30.08 30.02 10 10 10 14 4 18 T  
23 93 79 64 59 56 51 67 48 28 30.09 30.03 29.99 10 10 10 21 9 29 0.00  
24 95 81 66 61 56 51 68 46 24 30.04 29.99 29.95 10 10 10 16 7 22 0.00  
25 92 78 63 60 58 55 84 57 30 30.06 30.01 29.98 10 10 10 22 7 28 0.00  
26 75 71 66 70 67 58 97 77 57 30.04 30.01 29.98 10 8 2 15 6 17 0.31 Rain
27 89 76 63 66 61 51 100 64 27 30.11 30.06 30.02 10 7 0 18 6 24 0.00 Fog
28 89 74 58 63 58 55 93 64 35 30.16 30.10 30.04 10 10 10 14 4 18 0.00  
29 88 75 62 63 60 57 84 62 40 30.11 30.05 29.99 10 10 10 16 6 20 0.00  
30 93 78 63 63 61 59 84 60 36 30.04 29.99 29.93 10 10 10 20 9 26 0.00  
31 94 80 66 69 63 55 78 60 41 30.08 30.02 29.97 10 10 10 17 8 22 0.00