Weather History for Rockford, IL

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Month of August, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 96 °F 83 °F 73 °F
Mean Temperature 83 °F 72 °F 63 °F
Min Temperature 72 °F 61 °F 50 °F
Degree Days  
Heating Degree Days (base 65) 2 0 0 2
Cooling Degree Days (base 65) 18 7 0 232
Growing Degree Days (base 50) 32 22 12 681
Dew Point  
Dew Point 74 °F 61 °F 44 °F
Precipitation  
Precipitation 1.39 in 0.11 in 0.00 in 2.92 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 26 mph 6 mph 0 mph
Gust Wind 31 mph 21 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.27 in 30.06 in 29.75 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Aug. 20, 2013 Rise Set
Actual Time 6:09 AM CDT 7:49 PM CDT
Civil Twilight 5:39 AM CDT 8:18 PM CDT
Nautical Twilight 5:03 AM CDT 8:54 PM CDT
Astronomical Twilight 4:24 AM CDT 9:33 PM CDT
Moon 7:19 PM CDT (8/20) 5:39 AM CDT (8/20)
Length of Visible Light 14h 39m
Length of Day
13h 39m
Full, 100% of the Moon is Illuminated
Aug 20
Full
Aug 20
Full
Aug 28
Last Quarter
Sep 5
New
Sep 12
First Quarter

Weather History Calendar

Precipitation Actual month total 2.92 Normal Month Total: 4.59
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Rain
Actual:
81 | 60 T
Average:
84 | 63 0.15
Thunderstorm
Actual:
86 | 63 T
Average:
84 | 63 0.15
Partly Cloudy
Actual:
82 | 60 0.00
Average:
84 | 63 0.14
Partly Cloudy
Actual:
80 | 56 0.00
Average:
83 | 62 0.15
Rain
Actual:
74 | 57 0.16
Average:
83 | 62 0.15
Thunderstorm
Actual:
84 | 67 1.12
Average:
83 | 62 0.15
Partly Cloudy
Actual:
87 | 66 0.00
Average:
83 | 62 0.14
Partly Cloudy
Actual:
80 | 63 0.00
Average:
83 | 62 0.15
Partly Cloudy
Actual:
83 | 58 0.00
Average:
83 | 62 0.15
Scattered Clouds
Actual:
81 | 59 0.00
Average:
83 | 62 0.15
Rain
Actual:
80 | 55 0.05
Average:
83 | 62 0.15
Partly Cloudy
Actual:
84 | 64 T
Average:
83 | 62 0.16
Partly Cloudy
Actual:
73 | 57 0.00
Average:
83 | 62 0.16
Scattered Clouds
Actual:
76 | 50 0.00
Average:
83 | 62 0.16
Partly Cloudy
Actual:
78 | 53 0.00
Average:
83 | 62 0.17
Scattered Clouds
Actual:
83 | 53 0.00
Average:
83 | 62 0.15
Scattered Clouds
Actual:
81 | 54 0.00
Average:
83 | 62 0.17
Scattered Clouds
Actual:
83 | 54 0.00
Average:
82 | 61 0.15
Partly Cloudy
Actual:
85 | 56 0.00
Average:
82 | 61 0.15
Fog
Actual:
87 | 62 0.00
Average:
82 | 61 0.15
Partly Cloudy
Actual:
90 | 66 0.00
Average:
82 | 61 0.14
Thunderstorm
Actual:
75 | 64 1.39
Average:
82 | 61 0.14
Fog
Actual:
82 | 59 0.00
Average:
82 | 61 0.14
Scattered Clouds
Actual:
84 | 58 0.00
Average:
82 | 61 0.14
Scattered Clouds
Actual:
89 | 65 0.00
Average:
82 | 60 0.14
Partly Cloudy
Actual:
90 | 66 0.00
Average:
82 | 60 0.14
Partly Cloudy
Actual:
94 | 72 0.00
Average:
81 | 60 0.15
Partly Cloudy
Actual:
88 | 70 0.00
Average:
81 | 60 0.14
Fog
Actual:
86 | 67 T
Average:
81 | 59 0.13
Thunderstorm
Actual:
96 | 67 0.20
Average:
81 | 59 0.14
Thunderstorm
Actual:
82 | 67 T
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

2013 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 81 71 60 60 56 51 97 67 36 30.02 30.00 29.95 10 10 10 20 6 25 T Rain
2 86 75 63 66 61 56 87 68 48 29.97 29.90 29.87 10 10 10 13 6 18 T Rain , Thunderstorm
3 82 71 60 58 52 46 78 54 30 30.14 30.07 29.99 10 10 10 15 7 22 0.00  
4 80 68 56 59 54 50 86 62 37 30.22 30.17 30.12 10 10 10 12 5 17 0.00  
5 74 66 57 65 60 54 93 79 64 30.13 29.98 29.88 10 10 5 26 7 31 0.16 Rain
6 84 76 67 72 68 64 97 83 69 29.92 29.87 29.82 10 6 0 20 6 25 1.12 Fog , Rain , Thunderstorm
7 87 77 66 72 67 62 100 73 46 29.97 29.85 29.79 10 8 3 16 7 21 0.00  
8 80 72 63 64 60 52 93 73 52 30.05 30.01 29.99 10 10 7 15 6 21 0.00  
9 83 71 58 64 60 55 93 72 51 30.08 30.02 30.00 10 10 10 12 5 15 0.00  
10 81 70 59 60 56 52 90 65 39 30.16 30.13 30.09 10 10 5 14 5 17 0.00  
11 80 68 55 68 61 53 97 76 54 30.17 30.11 30.04 10 10 7 13 2 21 0.05 Fog , Rain
12 84 74 64 68 65 60 93 74 54 30.04 29.97 29.90 10 10 10 14 7 18 T  
13 73 65 57 58 49 44 84 61 38 30.18 30.10 29.98 10 10 10 18 10 23 0.00  
14 76 63 50 53 50 47 96 67 38 30.25 30.20 30.16 10 10 10 12 3 15 0.00  
15 78 66 53 56 52 50 89 66 43 30.20 30.16 30.12 10 10 10 12 5 14 0.00  
16 83 68 53 56 53 50 93 64 34 30.21 30.18 30.15 10 10 10 12 3 15 0.00  
17 81 68 54 57 54 51 93 66 39 30.26 30.22 30.18 10 10 10 10 4 15 0.00  
18 83 69 54 60 56 52 93 67 40 30.24 30.18 30.12 10 10 9 10 2 16 0.00  
19 85 71 56 63 60 54 93 70 47 30.14 30.10 30.04 10 9 5 13 4 17 0.00  
20 87 75 62 65 63 60 93 69 45 30.12 30.07 30.04 10 9 3 20 7 23 0.00 Fog
21 90 78 66 69 65 64 93 69 44 30.08 30.04 29.96 10 9 7 18 8 23 0.00  
22 75 70 64 70 67 64 100 87 73 30.20 30.08 29.99 10 8 2 25 7 31 1.39 Fog , Rain , Thunderstorm
23 82 71 59 63 57 50 97 67 36 30.19 30.16 30.13 10 9 2 15 6 20 0.00 Fog
24 84 71 58 67 62 54 93 72 51 30.27 30.22 30.18 10 10 10 15 7 18 0.00  
25 89 77 65 70 65 59 90 67 44 30.26 30.20 30.14 10 10 10 17 9 22 0.00  
26 90 78 66 72 68 63 93 72 50 30.15 30.09 30.00 10 10 7 15 6 26 0.00  
27 94 83 72 73 71 69 93 70 46 30.00 29.92 29.84 10 10 10 18 8 24 0.00  
28 88 79 70 72 70 66 84 70 55 30.05 29.96 29.85 10 10 8 12 5 17 0.00  
29 86 77 67 70 68 65 93 72 51 30.12 30.06 29.99 10 5 0 12 5 15 T Fog
30 96 82 67 74 70 66 97 70 43 29.98 29.87 29.75 10 8 3 24 7 29 0.20 Rain , Thunderstorm
31 82 75 67 70 67 64 93 79 65 29.89 29.84 29.81 10 10 10 14 6 20 T Rain , Thunderstorm