Weather History for Boise, ID

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Thursday, February 21, 2013

  Actual Average Record
Temperature  
Mean Temperature 32 °F 38 °F  
Max Temperature 43 °F 47 °F 63 °F (1991)
Min Temperature 20 °F 29 °F 6 °F (1894)
Degree Days  
Heating Degree Days 33 27  
Month to date heating degree days 613 618  
Since 1 July heating degree days 3890 3979  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 20 °F    
Average Humidity 58    
Maximum Humidity 77    
Minimum Humidity 39    
Precipitation  
Precipitation 0.00 in 0.04 in 0.72 in (1948)
Month to date precipitation 0.08 0.73  
Year to date precipitation 1.29 1.97  
Snow  
Snow 0.00 in 0.10 in 1.90 in (1993)
Month to date snowfall 1.8 2.3  
Since 1 July snowfall 13.6 17.1  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.07 in    
Wind  
Wind Speed 6 mph (NW)    
Max Wind Speed 21 mph    
Max Gust Speed 24 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Feb. 21, 2013 Rise Set
Actual Time 7:33 AM MST 6:23 PM MST
Civil Twilight 7:04 AM MST 6:52 PM MST
Nautical Twilight 6:31 AM MST 7:26 PM MST
Astronomical Twilight 5:58 AM MST 7:59 PM MST
Moon 2:38 PM MST (2/21) 4:46 AM MST (2/21)
Length of Visible Light 11h 48m
Length of Day
10h 50m
Waxing Gibbous, 84% of the Moon is Illuminated
Feb 21
Waxing Gibbous
Feb 25
Full
Mar 4
Last Quarter
Mar 11
New
Mar 19
First Quarter

Hourly Weather History & Observations

Time (MST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 27.0 °F 19.5 °F 17.1 °F 66% 29.95 in 10.0 mi West 6.9 mph - N/A   Clear
1:53 AM 28.0 °F 18.6 °F 17.1 °F 63% 29.96 in 10.0 mi WNW 10.4 mph - N/A   Clear
2:53 AM 26.1 °F 16.2 °F 17.1 °F 69% 29.99 in 10.0 mi WNW 10.4 mph - N/A   Clear
3:53 AM 25.0 °F - 16.0 °F 69% 29.99 in 10.0 mi Calm Calm - N/A   Clear
4:53 AM 24.1 °F 18.2 °F 16.0 °F 71% 30.01 in 10.0 mi West 4.6 mph - N/A   Clear
5:53 AM 21.9 °F - 15.1 °F 75% 30.05 in 10.0 mi Calm Calm - N/A   Clear
6:53 AM 21.0 °F - 16.0 °F 81% 30.07 in 10.0 mi Calm Calm - N/A   Clear
7:53 AM 19.9 °F - 14.0 °F 78% 30.10 in 10.0 mi Calm Calm - N/A   Clear
8:53 AM 25.0 °F - 18.0 °F 75% 30.11 in 10.0 mi Calm Calm - N/A   Partly Cloudy
9:53 AM 30.9 °F - 19.0 °F 61% 30.11 in 10.0 mi Calm Calm - N/A   Clear
10:08 AM 30.2 °F - 19.4 °F 64% 30.05 in 10.0 mi Calm Calm - N/A   Clear
10:53 AM 36.0 °F - 16.0 °F 44% 30.10 in 10.0 mi Calm Calm - N/A   Clear
11:53 AM 39.0 °F 32.8 °F 17.1 °F 41% 30.09 in 10.0 mi NW 9.2 mph - N/A   Clear
12:53 PM 41.0 °F 33.5 °F 19.0 °F 41% 30.09 in 10.0 mi NW 13.8 mph - N/A   Clear
1:53 PM 42.1 °F 33.1 °F 19.0 °F 40% 30.08 in 10.0 mi NW 20.7 mph - N/A   Scattered Clouds
2:53 PM 41.0 °F 32.8 °F 19.9 °F 43% 30.08 in 10.0 mi NW 16.1 mph - N/A   Overcast
3:53 PM 39.9 °F 32.9 °F 19.9 °F 45% 30.08 in 10.0 mi WNW 11.5 mph - N/A   Overcast
4:53 PM 39.9 °F 33.4 °F 21.0 °F 47% 30.08 in 10.0 mi NW 10.4 mph - N/A   Overcast
5:53 PM 39.0 °F 34.0 °F 21.0 °F 49% 30.08 in 10.0 mi WNW 6.9 mph - N/A   Mostly Cloudy
6:53 PM 37.9 °F 32.7 °F 23.0 °F 55% 30.09 in 10.0 mi NW 6.9 mph - N/A   Overcast
7:53 PM 36.0 °F 30.3 °F 25.0 °F 64% 30.11 in 10.0 mi NNE 6.9 mph - N/A   Overcast
8:53 PM 35.1 °F - 27.0 °F 72% 30.11 in 10.0 mi Calm Calm - N/A   Overcast
9:53 PM 34.0 °F - 27.0 °F 75% 30.11 in 10.0 mi Calm Calm - N/A   Overcast
10:53 PM 33.1 °F - 27.0 °F 78% 30.10 in 10.0 mi Calm Calm - N/A   Overcast
11:53 PM 33.1 °F - 26.1 °F 75% 30.10 in 10.0 mi Calm Calm - N/A   Overcast