Weather History for Rockford, IL

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Week of December 15, 2013 through December 21, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 35 °F 29 °F 16 °F
Mean Temperature 30 °F 23 °F 11 °F
Min Temperature 25 °F 16 °F 6 °F
Degree Days  
Heating Degree Days (base 65) 54 42 35 294
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 0 0 0 0
Dew Point  
Dew Point 31 °F 18 °F -5 °F
Precipitation  
Precipitation 0.15 in 0.05 in 0.00 in 0.31 in
Snowdepth 5.0 in 3.3 in 0.0 in -
Wind  
Wind 28 mph 9 mph 0 mph
Gust Wind 36 mph 24 mph 17 mph
Sea Level Pressure  
Sea Level Pressure 30.20 in 29.97 in 29.67 in

Weekly Weather History Graph

Weekly Weather History Graph

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Astronomy

Dec. 20, 2013 Rise Set
Actual Time 7:21 AM CST 4:27 PM CST
Civil Twilight 6:49 AM CST 4:58 PM CST
Nautical Twilight 6:14 AM CST 5:34 PM CST
Astronomical Twilight 5:39 AM CST 6:08 PM CST
Moon 7:50 PM CST (12/20) 9:12 AM CST (12/20)
Length of Visible Light 10h 09m
Length of Day
9h 05m
Waning Gibbous, 90% of the Moon is Illuminated
Dec 20
Waning Gibbous
Dec 25
Last Quarter
Jan 1
New
Jan 7
First Quarter
Jan 15
Full

Daily Weather History & Observations

2013 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Dec high avg low high avg low high avg low high avg low high avg low high avg high sum  
15 21 16 10 16 4 -1 84 73 61 30.18 30.09 29.96 10 10 8 23 12 30 T Snow
16 16 11 6 14 6 -5 88 73 57 30.20 30.10 30.03 10 6 0 10 4 13 0.06 Snow
17 34 25 16 24 17 11 92 73 54 30.14 30.05 29.97 10 6 2 28 12 36 0.01 Snow
18 32 22 11 24 15 7 84 71 58 30.18 30.01 29.84 10 10 10 25 11 30 0.00  
19 35 28 21 31 27 19 92 81 70 29.96 29.89 29.83 10 7 2 16 8 20 0.07 Rain
20 34 30 25 31 27 23 100 93 85 29.87 29.83 29.76 10 4 2 17 9 20 0.15 Rain
21 33 29 25 30 27 23 100 96 92 29.90 29.81 29.67 10 3 1 18 9 23 0.02 Rain , Snow