Weather History for Rockford, IL

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Month of January, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 62 °F 34 °F 12 °F
Mean Temperature 50 °F 25 °F 5 °F
Min Temperature 39 °F 15 °F -3 °F
Degree Days  
Heating Degree Days (base 65) 60 40 15 1252
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 0 0 0 0
Dew Point  
Dew Point 58 °F 17 °F -11 °F
Precipitation  
Precipitation 0.86 in 0.12 in 0.00 in 3.08 in
Snowdepth 1.0 in 0.1 in 0.0 in -
Wind  
Wind 38 mph 10 mph 0 mph
Gust Wind 49 mph 24 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.70 in 30.13 in 29.28 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Jan. 08, 2013 Rise Set
Actual Time 7:24 AM CST 4:42 PM CST
Civil Twilight 6:53 AM CST 5:13 PM CST
Nautical Twilight 6:18 AM CST 5:48 PM CST
Astronomical Twilight 5:44 AM CST 6:22 PM CST
Moon 3:57 AM CST (1/8) 1:44 PM CST (1/8)
Length of Visible Light 10h 20m
Length of Day
9h 17m
Waning Crescent, 13% of the Moon is Illuminated
Jan 8
Waning Crescent
Jan 11
New
Jan 18
First Quarter
Jan 26
Full
Feb 3
Last Quarter

Weather History Calendar

Precipitation Actual month total 3.08 Normal Month Total: 1.37
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Clear
Actual:
18 | 5 0.00
Average:
30 | 14 0.05
Snow
Actual:
31 | 6 T
Average:
30 | 14 0.05
Snow
Actual:
28 | 13 T
Average:
30 | 14 0.05
Clear
Actual:
32 | 11 0.00
Average:
30 | 14 0.05
Snow
Actual:
36 | 16 0.03
Average:
30 | 14 0.05
Partly Cloudy
Actual:
35 | 15 0.00
Average:
29 | 14 0.04
Partly Cloudy
Actual:
42 | 14 0.00
Average:
29 | 14 0.05
Mostly Cloudy
Actual:
43 | 24 0.00
Average:
23 | 5 0.04
Scattered Clouds
Actual:
44 | 24 0.00
Average:
29 | 13 0.05
Rain
Actual:
47 | 22 0.75
Average:
29 | 13 0.05
Rain
Actual:
50 | 39 0.35
Average:
25 | 8 0.01
Snow
Actual:
52 | 24 0.07
Average:
29 | 13 0.04
Snow
Actual:
24 | 18 0.06
Average:
29 | 13 0.04
Scattered Clouds
Actual:
25 | 6 0.00
Average:
29 | 13 0.05
Scattered Clouds
Actual:
28 | 7 0.00
Average:
29 | 13 0.04
Partly Cloudy
Actual:
36 | 11 0.00
Average:
29 | 13 0.05
Scattered Clouds
Actual:
34 | 18 0.00
Average:
29 | 13 0.04
Partly Cloudy
Actual:
43 | 15 0.00
Average:
29 | 13 0.04
Partly Cloudy
Actual:
47 | 20 0.00
Average:
29 | 13 0.04
Partly Cloudy
Actual:
20 | 10 0.00
Average:
29 | 13 0.04
Snow
Actual:
12 | 2 T
Average:
29 | 13 0.04
Partly Cloudy
Actual:
12 | -3 0.00
Average:
29 | 13 0.04
Snow
Actual:
21 | 9 T
Average:
30 | 13 0.04
Mostly Cloudy
Actual:
20 | 4 0.00
Average:
30 | 13 0.04
Snow
Actual:
32 | 17 0.06
Average:
30 | 14 0.04
Partly Cloudy
Actual:
28 | 8 0.00
Average:
30 | 14 0.04
Snow
Actual:
36 | 23 0.14
Average:
30 | 14 0.04
Thunderstorm
Actual:
47 | 36 0.19
Average:
30 | 14 0.04
Thunderstorm
Actual:
62 | 38 0.86
Average:
30 | 14 0.05
Snow
Actual:
38 | 18 0.57
Average:
30 | 14 0.04
Snow
Actual:
18 | 2 T
Average:
30 | 14 0.04
 

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
Jan high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 18 12 5 7 3 1 87 72 56 30.30 30.25 30.21 10 10 10 15 6 18 0.00  
2 31 19 6 20 11 0 87 73 58 30.24 30.16 30.09 10 10 7 17 7 22 T Snow
3 28 21 13 25 18 7 85 77 68 30.32 30.22 30.12 10 9 6 17 9 22 T Snow
4 32 22 11 22 16 7 92 78 63 30.29 30.24 30.18 10 10 9 21 9 29 0.00  
5 36 26 16 34 26 15 96 83 70 30.27 30.11 29.94 10 9 6 18 10 25 0.03 Rain , Snow
6 35 25 15 32 19 12 91 80 69 30.36 30.16 29.93 10 9 7 20 9 24 0.00  
7 42 28 14 26 20 11 88 66 43 30.35 30.21 30.09 10 10 7 28 12 36 0.00  
8 43 34 24 31 27 22 88 75 51 30.16 30.09 30.01 10 9 5 18 8 - 0.00  
9 44 34 24 31 26 21 88 69 49 30.51 30.31 30.01 10 10 10 26 11 36 0.00  
10 47 35 22 40 29 19 100 71 41 30.52 30.23 29.88 10 8 2 16 7 22 0.75 Rain
11 50 44 39 47 45 39 100 96 81 29.87 29.73 29.68 10 5 0 18 8 - 0.35 Fog , Rain
12 52 38 24 46 26 19 86 75 63 30.04 29.93 29.69 10 9 2 23 13 30 0.07 Rain , Snow
13 24 21 18 21 12 4 84 76 67 30.29 30.10 29.93 10 9 1 18 11 21 0.06 Snow
14 25 16 6 9 7 3 88 69 50 30.50 30.46 30.32 10 10 10 13 6 17 0.00  
15 28 18 7 15 10 5 91 73 55 30.47 30.35 30.12 10 10 9 12 2 13 0.00  
16 36 24 11 30 20 8 92 74 56 30.14 29.99 29.84 10 10 10 20 9 26 0.00  
17 34 26 18 29 12 6 89 66 42 30.44 30.36 30.13 10 10 10 17 7 21 0.00  
18 43 29 15 31 24 11 84 71 57 30.46 30.15 29.91 10 10 10 30 13 39 0.00  
19 47 34 20 35 28 7 76 62 48 30.03 29.86 29.74 10 10 10 38 15 49 0.00  
20 20 15 10 5 1 0 67 56 45 30.36 30.28 30.09 10 10 10 31 13 43 0.00  
21 12 7 2 3 -6 -10 69 57 45 30.34 30.27 30.20 10 10 9 24 16 31 T Snow
22 12 5 -3 -3 -7 -11 71 61 50 30.44 30.40 30.34 10 10 10 17 9 22 0.00  
23 21 15 9 12 5 -3 74 63 52 30.45 30.26 30.11 10 8 2 26 11 38 T Snow
24 20 12 4 6 -1 -7 68 54 39 30.70 30.56 30.39 10 10 10 23 10 30 0.00  
25 32 25 17 18 13 4 92 71 49 30.34 30.13 29.96 10 8 2 23 12 31 0.06 Snow
26 28 18 8 13 8 3 80 63 45 30.44 30.38 30.26 10 10 10 13 6 16 0.00  
27 36 30 23 36 26 14 100 80 60 30.38 30.10 29.88 10 6 2 31 13 41 0.14 Rain , Snow
28 47 42 36 46 39 36 100 88 76 29.96 29.87 29.77 10 5 0 18 7 23 0.19 Fog , Rain , Thunderstorm
29 62 50 38 58 51 36 100 93 86 29.77 29.59 29.44 10 5 0 21 10 26 0.86 Fog , Rain , Thunderstorm
30 38 28 18 36 28 11 100 87 73 29.69 29.39 29.28 10 4 0 24 14 35 0.57 Fog , Rain , Snow
31 18 10 2 10 2 -6 80 71 61 30.25 29.95 29.72 10 8 2 25 17 32 T Snow