Weather History for Boise, ID

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Monday, December 16, 2013

  Actual Average Record
Temperature  
Mean Temperature 25 °F 30 °F  
Max Temperature 30 °F 37 °F 64 °F (1939)
Min Temperature 19 °F 23 °F -2 °F (1985)
Degree Days  
Heating Degree Days 40 35  
Month to date heating degree days 701 533  
Since 1 July heating degree days 1995 1787  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 1320 942  
Moisture  
Dew Point 22 °F    
Average Humidity 89    
Maximum Humidity 100    
Minimum Humidity 78    
Precipitation  
Precipitation T in 0.05 in 1.05 in (1884)
Month to date precipitation 0.40 0.79  
Year to date precipitation 9.31 10.97  
Snow  
Snow T in 0.30 in 3.60 in (1926)
Month to date snowfall 2.4 3.3  
Since 1 July snowfall 4.4 6.0  
Snow Depth 1.00 in    
Sea Level Pressure  
Sea Level Pressure 30.54 in    
Wind  
Wind Speed 1 mph (SSW)    
Max Wind Speed 7 mph    
Max Gust Speed 9 mph    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Dec. 16, 2013 Rise Set
Actual Time 8:12 AM MST 5:09 PM MST
Civil Twilight 7:39 AM MST 5:42 PM MST
Nautical Twilight 7:03 AM MST 6:18 PM MST
Astronomical Twilight 6:28 AM MST 6:53 PM MST
Moon 5:05 PM MST (12/16) 7:22 AM MST (12/16)
Length of Visible Light 10h 02m
Length of Day
8h 57m
Full, 100% of the Moon is Illuminated
Dec 16
Full
Dec 17
Full
Dec 25
Last Quarter
Jan 1
New
Jan 7
First Quarter

Hourly Weather History & Observations

Time (MST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:20 AM 21.2 °F - 19.4 °F 93% 30.46 in 2.5 mi Calm Calm - N/A   Scattered Clouds
12:28 AM 21.2 °F - 19.4 °F 93% 30.46 in 2.0 mi Calm Calm - N/A   Mostly Cloudy
12:38 AM 21.2 °F - 19.4 °F 93% 30.46 in 1.2 mi Calm Calm - N/A   Overcast
12:40 AM 21.2 °F 16.4 °F 19.4 °F 93% 30.46 in 0.8 mi SSW 3.5 mph - N/A   Mist
12:49 AM 19.4 °F 14.3 °F 19.4 °F 100% 30.46 in 0.2 mi SSW 3.5 mph - N/A Fog Light Freezing Fog
12:53 AM 19.9 °F 14.9 °F 19.0 °F 96% 30.55 in 0.2 mi SSW 3.5 mph - N/A Fog Light Freezing Fog
1:01 AM 19.4 °F 14.3 °F 19.4 °F 100% 30.46 in 0.2 mi SSW 3.5 mph - N/A Fog Light Freezing Fog
1:53 AM 19.0 °F - 18.0 °F 96% 30.55 in 0.2 mi Calm Calm - N/A Fog Light Freezing Fog
2:53 AM 21.9 °F - 19.0 °F 89% 30.55 in 0.2 mi Calm Calm - N/A Fog Light Freezing Fog
3:53 AM 21.9 °F - 18.0 °F 85% 30.56 in 0.2 mi Calm Calm - N/A Fog Light Freezing Fog
4:53 AM 21.0 °F 16.2 °F 19.0 °F 92% 30.55 in 0.2 mi South 3.5 mph - N/A Fog Light Freezing Fog
5:53 AM 21.0 °F - 17.1 °F 85% 30.57 in 0.2 mi Calm Calm - N/A Fog Light Freezing Fog
6:53 AM 21.9 °F - 18.0 °F 85% 30.57 in 0.2 mi Calm Calm - N/A Fog Light Freezing Fog
7:28 AM 21.2 °F - 17.6 °F 86% 30.48 in 0.2 mi Calm Calm - 0.00 in Fog Light Freezing Fog
7:53 AM 21.0 °F - 17.1 °F 85% 30.58 in 0.2 mi Calm Calm - 0.00 in Fog Light Freezing Fog
8:53 AM 21.9 °F - 18.0 °F 85% 30.60 in 0.2 mi Calm Calm - N/A Fog Light Freezing Fog
9:53 AM 23.0 °F - 19.0 °F 85% 30.60 in 0.2 mi Calm Calm - N/A Fog Light Freezing Fog
10:53 AM 25.0 °F - 21.0 °F 85% 30.61 in 0.2 mi Calm Calm - N/A Fog Light Freezing Fog
11:31 AM 26.6 °F 22.6 °F 21.2 °F 80% 30.51 in 0.5 mi WNW 3.5 mph - N/A Fog Light Freezing Fog
11:53 AM 28.0 °F - 23.0 °F 81% 30.60 in 0.5 mi Calm Calm - N/A Fog Light Freezing Fog
11:57 AM 28.4 °F - 23.0 °F 80% 30.51 in 1.2 mi Calm Calm - N/A Fog Light Freezing Fog
12:09 PM 26.6 °F 22.6 °F 21.2 °F 80% 30.50 in 0.5 mi SW 3.5 mph - N/A   Haze
12:21 PM 26.6 °F - 23.0 °F 86% 30.50 in 0.2 mi Calm Calm - N/A Fog Light Freezing Fog
12:53 PM 28.9 °F - 24.1 °F 82% 30.59 in 0.2 mi Calm Calm - N/A   Haze
1:20 PM 30.2 °F 26.7 °F 24.8 °F 80% 30.49 in 0.5 mi West 3.5 mph - N/A   Haze
1:53 PM 28.9 °F 25.2 °F 25.0 °F 85% 30.58 in 0.5 mi Variable 3.5 mph - N/A   Overcast
2:17 PM 28.4 °F - 24.8 °F 86% 30.48 in 0.2 mi Calm Calm - N/A Fog Light Freezing Fog
2:53 PM 28.0 °F 22.8 °F 25.0 °F 88% 30.56 in 0.2 mi South 4.6 mph - N/A Fog Light Freezing Fog
3:53 PM 28.0 °F 24.2 °F 25.0 °F 88% 30.57 in 0.2 mi WSW 3.5 mph - N/A Fog Light Freezing Fog
4:53 PM 28.0 °F - 25.0 °F 88% 30.58 in 0.2 mi Calm Calm - N/A Fog Light Freezing Fog
5:53 PM 28.0 °F 22.8 °F 25.0 °F 88% 30.56 in 0.2 mi SSE 4.6 mph - N/A Fog Light Freezing Fog
6:53 PM 28.9 °F - 25.0 °F 85% 30.58 in 0.2 mi Calm Calm - N/A Fog Light Freezing Fog
7:37 PM 28.4 °F - 24.8 °F 86% 30.49 in 0.2 mi Calm Calm - 0.00 in Fog Light Freezing Fog
7:53 PM 28.9 °F - 25.0 °F 85% 30.58 in 0.2 mi Calm Calm - 0.00 in Fog Light Freezing Fog
8:00 PM 28.4 °F 24.6 °F 24.8 °F 86% 30.48 in 0.2 mi SSE 3.5 mph - N/A Fog Light Freezing Fog
8:46 PM 28.4 °F 24.6 °F 24.8 °F 86% 30.48 in 0.5 mi South 3.5 mph - N/A Fog Light Freezing Fog
8:53 PM 28.0 °F 24.2 °F 25.0 °F 88% 30.57 in 0.2 mi SSW 3.5 mph - N/A Fog Light Freezing Fog
9:53 PM 28.0 °F 24.2 °F 24.1 °F 85% 30.57 in 0.2 mi SE 3.5 mph - N/A Fog Light Freezing Fog
10:53 PM 27.0 °F - 23.0 °F 85% 30.59 in 0.2 mi Calm Calm - 0.00 in Fog , Snow Light Snow
11:44 PM 26.6 °F - 21.2 °F 80% 30.51 in 0.5 mi Calm Calm - 0.00 in Fog Light Freezing Fog
11:53 PM 26.1 °F 21.9 °F 21.9 °F 84% 30.59 in 0.5 mi WSW 3.5 mph - 0.00 in Fog Light Freezing Fog