Weather History for Spencer, IA

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Monday, December 31, 2012

  Actual Average Record
Temperature  
Mean Temperature 8 °F -  
Max Temperature 19 °F 21 °F 46 °F (1999)
Min Temperature -6 °F 5 °F -22 °F (1973)
Degree Days  
Heating Degree Days 56    
Moisture  
Dew Point 7 °F    
Average Humidity 75    
Maximum Humidity 86    
Minimum Humidity 67    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.21 in    
Wind  
Wind Speed 12 mph (NNW)    
Max Wind Speed 23 mph    
Max Gust Speed 25 mph    
Visibility 10 miles    
Events Snow    
Averages and records for this station are not official NWS values.
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Dec. 31, 2012 Rise Set
Actual Time 7:52 AM CST 4:55 PM CST
Civil Twilight 7:20 AM CST 5:28 PM CST
Nautical Twilight 6:44 AM CST 6:03 PM CST
Astronomical Twilight 6:09 AM CST 6:38 PM CST
Moon 8:33 PM CST (12/31) 9:29 AM CST (12/31)
Length of Visible Light 10h 07m
Length of Day
9h 03m
Waning Gibbous, 90% of the Moon is Illuminated
Dec 31
Waning Gibbous
Jan 4
Last Quarter
Jan 11
New
Jan 18
First Quarter
Jan 26
Full

Hourly Weather History & Observations

Time (CST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:10 AM 14.0 °F -0.8 °F 8.6 °F 79% 30.04 in 10.0 mi NW 13.8 mph - N/A   Scattered Clouds
12:19 AM 14.0 °F 0.5 °F 8.6 °F 79% 30.04 in 10.0 mi NW 11.5 mph - N/A   Mostly Cloudy
12:53 AM 15.1 °F 4.2 °F 10.0 °F 80% 30.12 in 10.0 mi NW 8.1 mph - N/A   Overcast
2:53 AM 19.9 °F 6.2 °F 16.0 °F 85% 30.17 in 8.0 mi NNW 15.0 mph - N/A   Overcast
3:36 AM 19.4 °F 6.0 °F 15.8 °F 86% 30.13 in 8.0 mi North 13.8 mph - N/A   Overcast
3:53 AM 19.9 °F 4.3 °F 14.0 °F 78% 30.17 in 9.0 mi North 19.6 mph 25.3 mph N/A   Overcast
4:53 AM 19.0 °F 2.0 °F 14.0 °F 81% 30.19 in 10.0 mi NNW 23.0 mph - N/A   Overcast
5:53 AM 19.0 °F 6.1 °F 14.0 °F 81% 30.22 in 9.0 mi NNW 12.7 mph - N/A   Overcast
6:31 AM 19.4 °F 5.0 °F 12.2 °F 74% 30.14 in 10.0 mi NNW 16.1 mph - N/A   Overcast
6:53 AM 19.0 °F 6.8 °F 12.9 °F 77% 30.22 in 10.0 mi NNW 11.5 mph - N/A   Overcast
7:27 AM 17.6 °F 5.0 °F 12.2 °F 79% 30.14 in 10.0 mi NNW 11.5 mph - N/A   Scattered Clouds
7:53 AM 17.1 °F 6.6 °F 10.9 °F 77% 30.22 in 10.0 mi NNW 8.1 mph - N/A   Mostly Cloudy
8:53 AM 18.0 °F 9.8 °F 10.9 °F 74% 30.25 in 10.0 mi NNW 5.8 mph - N/A   Overcast
9:53 AM 17.1 °F 2.5 °F 10.0 °F 74% 30.26 in 8.0 mi North 15.0 mph - 0.00 in   Overcast
10:14 AM 17.6 °F 3.7 °F 10.4 °F 73% 30.19 in 6.0 mi North 13.8 mph - 0.00 in Snow Light Snow
10:53 AM 16.0 °F 2.9 °F 8.1 °F 71% 30.27 in 10.0 mi North 11.5 mph - 0.00 in   Mostly Cloudy
11:05 AM 15.8 °F 3.4 °F 8.6 °F 73% 30.19 in 10.0 mi North 10.4 mph - N/A   Scattered Clouds
11:34 AM 15.8 °F 3.4 °F 8.6 °F 73% 30.19 in 9.0 mi North 10.4 mph - N/A   Mostly Cloudy
11:53 AM 16.0 °F 2.9 °F 7.0 °F 68% 30.27 in 10.0 mi North 11.5 mph - N/A   Mostly Cloudy
12:00 PM 15.8 °F 2.1 °F 8.6 °F 73% 30.19 in 10.0 mi North 12.7 mph - N/A   Scattered Clouds
12:53 PM 15.1 °F 2.5 °F 6.1 °F 68% 30.26 in 10.0 mi North 10.4 mph - N/A   Partly Cloudy
1:09 PM 15.8 °F 1.4 °F 6.8 °F 68% 30.18 in 10.0 mi North 13.8 mph - N/A   Mostly Cloudy
1:53 PM 14.0 °F 0.5 °F 5.0 °F 67% 30.26 in 7.0 mi North 11.5 mph - N/A   Mostly Cloudy
2:41 PM 12.2 °F -1.0 °F 5.0 °F 73% 30.17 in 10.0 mi North 10.4 mph - 0.00 in   Scattered Clouds
2:48 PM 12.2 °F -1.0 °F 5.0 °F 73% 30.17 in 10.0 mi North 10.4 mph - 0.00 in   Mostly Cloudy
2:53 PM 12.9 °F -1.6 °F 5.0 °F 71% 30.25 in 10.0 mi North 12.7 mph - 0.00 in   Scattered Clouds
3:53 PM 10.0 °F -5.9 °F 1.9 °F 70% 30.25 in 10.0 mi North 13.8 mph - N/A   Clear
5:53 PM 5.0 °F -5.6 °F -2.0 °F 73% 30.28 in 10.0 mi North 5.8 mph - N/A   Clear
6:53 PM 3.9 °F -8.2 °F -2.9 °F 73% 30.28 in 10.0 mi North 6.9 mph - N/A   Clear
7:53 PM 3.0 °F -8.0 °F -5.1 °F 69% 30.30 in 10.0 mi North 5.8 mph - N/A   Clear
8:53 PM 1.0 °F -8.7 °F -6.0 °F 72% 30.30 in 10.0 mi NNW 4.6 mph - N/A   Clear
9:53 PM -2.0 °F -16.6 °F -7.1 °F 79% 30.31 in 10.0 mi NNW 8.1 mph - N/A   Clear
10:53 PM -6.0 °F - -11.0 °F 79% 30.34 in 10.0 mi Calm Calm - N/A   Clear