Weather History for Sidney-Richland, MT

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Sunday, December 9, 2012

  Actual Average Record
Temperature  
Mean Temperature -5 °F -  
Max Temperature 6 °F 30 °F 62 °F (1912)
Min Temperature -16 °F 8 °F -37 °F (1977)
Degree Days  
Heating Degree Days 70    
Moisture  
Dew Point -7 °F    
Average Humidity 81    
Maximum Humidity 100    
Minimum Humidity 51    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.25 in    
Wind  
Wind Speed 8 mph (SSW)    
Max Wind Speed 15 mph    
Max Gust Speed -    
Visibility 10 miles    
Events      
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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Astronomy

Dec. 09, 2012 Rise Set
Actual Time 7:33 AM MST 4:04 PM MST
Civil Twilight 6:58 AM MST 4:40 PM MST
Nautical Twilight 6:18 AM MST 5:19 PM MST
Astronomical Twilight 5:41 AM MST 5:57 PM MST
Moon 2:56 AM MST (12/9) 1:24 PM MST (12/9)
Length of Visible Light 9h 42m
Length of Day
8h 30m
Waning Crescent, 18% of the Moon is Illuminated
Dec 9
Waning Crescent
Dec 13
New
Dec 19
First Quarter
Dec 28
Full
Jan 4
Last Quarter

Hourly Weather History & Observations

Time (MST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:15 AM -2.2 °F -22.2 °F -5.8 °F 85% 30.33 in 10.0 mi NW 15.0 mph - N/A   Clear
12:55 AM -2.2 °F -22.2 °F -7.6 °F 78% 30.34 in 10.0 mi NW 15.0 mph - N/A   Clear
1:15 AM -2.2 °F -22.2 °F -5.8 °F 85% 30.34 in 10.0 mi NW 15.0 mph - N/A   Clear
1:35 AM -2.2 °F -22.2 °F -7.6 °F 78% 30.35 in 10.0 mi NW 15.0 mph - N/A   Clear
1:55 AM -2.2 °F -20.7 °F -7.6 °F 78% 30.36 in 10.0 mi NW 12.7 mph - N/A   Clear
2:15 AM -2.2 °F -22.2 °F -7.6 °F 78% 30.36 in 10.0 mi NW 15.0 mph - N/A   Clear
2:35 AM -2.2 °F -19.9 °F -5.8 °F 85% 30.37 in 10.0 mi NW 11.5 mph - N/A   Clear
2:55 AM -4.0 °F -12.4 °F -11.2 °F 71% 30.38 in 10.0 mi East 3.5 mph - N/A   Clear
3:35 AM -2.2 °F - -13.0 °F 60% 30.39 in 10.0 mi Calm Calm - N/A   Clear
3:55 AM -7.6 °F - -11.2 °F 84% 30.39 in 10.0 mi Calm Calm - N/A   Clear
4:15 AM -7.6 °F - -14.8 °F 71% 30.40 in 10.0 mi Calm Calm - N/A   Clear
4:35 AM -9.4 °F - -11.2 °F 92% 30.40 in 10.0 mi Calm Calm - N/A   Clear
4:55 AM -9.4 °F -22.7 °F -20.2 °F 59% 30.40 in 10.0 mi SSW 5.8 mph - N/A   Clear
5:15 AM -11.2 °F -23.0 °F -11.2 °F 100% 30.40 in 10.0 mi SSW 4.6 mph - N/A   Clear
5:35 AM -13.0 °F -27.0 °F -23.8 °F 59% 30.40 in 10.0 mi SSW 5.8 mph - N/A   Partly Cloudy
5:55 AM -11.2 °F -20.6 °F -11.2 °F 100% 30.41 in 10.0 mi SSW 3.5 mph - N/A   Mostly Cloudy
6:15 AM -11.2 °F - -23.8 °F 54% 30.42 in 10.0 mi Calm Calm - N/A   Partly Cloudy
6:35 AM -13.0 °F - -18.4 °F 77% 30.42 in 10.0 mi Calm Calm - N/A   Clear
6:55 AM -14.8 °F -27.2 °F -14.8 °F 100% 30.42 in 10.0 mi South 4.6 mph - N/A   Clear
7:15 AM -14.8 °F -24.8 °F -16.6 °F 92% 30.42 in 10.0 mi SW 3.5 mph - N/A   Clear
7:35 AM -14.8 °F - -20.2 °F 77% 30.43 in 10.0 mi Calm Calm - N/A   Clear
7:55 AM -16.6 °F -26.8 °F -18.4 °F 92% 30.43 in 10.0 mi SSW 3.5 mph - N/A   Clear
8:15 AM -13.0 °F -28.6 °F - N/A% 30.44 in 10.0 mi SSW 6.9 mph - N/A   Clear
8:35 AM - - - N/A% 30.44 in 10.0 mi South 6.9 mph - N/A   Clear
8:55 AM -11.2 °F -26.4 °F -11.2 °F 100% 30.44 in 10.0 mi South 6.9 mph - N/A   Mostly Cloudy
9:35 AM -7.6 °F -18.8 °F -7.6 °F 100% 30.44 in 10.0 mi SSW 4.6 mph - N/A   Mostly Cloudy
10:15 AM -5.8 °F -21.2 °F -5.8 °F 100% 30.43 in 10.0 mi South 8.1 mph - N/A   Clear
10:35 AM -4.0 °F -20.2 °F -14.8 °F 60% 30.42 in 10.0 mi South 9.2 mph - N/A   Clear
10:55 AM -4.0 °F -17.8 °F -4.0 °F 100% 30.41 in 10.0 mi SSW 6.9 mph - N/A   Clear
11:15 AM -2.2 °F -16.8 °F -9.4 °F 71% 30.39 in 10.0 mi SSW 8.1 mph - N/A   Clear
11:35 AM -0.4 °F -15.7 °F -4.0 °F 85% 30.37 in 10.0 mi SSW 9.2 mph - N/A   Clear
12:35 PM 3.2 °F -11.3 °F -0.4 °F 85% 30.34 in 10.0 mi South 9.2 mph - N/A   Clear
12:55 PM 5.0 °F -10.8 °F -0.4 °F 78% 30.32 in 10.0 mi SSW 11.5 mph - N/A   Clear
1:15 PM 5.0 °F -8.1 °F -0.4 °F 78% 30.30 in 10.0 mi South 8.1 mph - N/A   Clear
1:35 PM 6.8 °F -6.9 °F -0.4 °F 72% 30.29 in 10.0 mi South 9.2 mph - N/A   Clear
1:55 PM 6.8 °F -7.8 °F -0.4 °F 72% 30.27 in 10.0 mi SSW 10.4 mph - N/A   Clear
2:15 PM 6.8 °F -6.9 °F 1.4 °F 79% 30.27 in 10.0 mi SSW 9.2 mph - N/A   Clear
2:35 PM 6.8 °F -5.9 °F -0.4 °F 72% 30.26 in 10.0 mi SSW 8.1 mph - N/A   Clear
3:15 PM 6.8 °F -6.9 °F 1.4 °F 79% 30.23 in 10.0 mi SSW 9.2 mph - N/A   Clear
3:35 PM 5.0 °F -6.9 °F -0.4 °F 78% 30.22 in 10.0 mi SSW 6.9 mph - N/A   Clear
3:55 PM 3.2 °F -7.8 °F -4.0 °F 72% 30.21 in 10.0 mi SSW 5.8 mph - N/A   Clear
4:15 PM 1.4 °F -8.3 °F -2.2 °F 85% 30.20 in 10.0 mi SW 4.6 mph - N/A   Clear
4:35 PM 1.4 °F -8.3 °F -0.4 °F 92% 30.19 in 10.0 mi SSW 4.6 mph - N/A   Clear
4:55 PM -2.2 °F -12.5 °F -9.4 °F 71% 30.17 in 10.0 mi SSW 4.6 mph - N/A   Clear
5:15 PM 1.4 °F -8.3 °F 1.4 °F 100% 30.16 in 10.0 mi SSW 4.6 mph - N/A   Clear
6:15 PM -0.4 °F - -9.4 °F 66% 30.11 in 10.0 mi Calm Calm - N/A   Clear
6:35 PM -0.4 °F - -2.2 °F 92% 30.10 in 10.0 mi Calm Calm - N/A   Clear
6:55 PM 1.4 °F - -0.4 °F 92% 30.09 in 10.0 mi Calm Calm - N/A   Clear
7:15 PM -0.4 °F -10.4 °F -5.8 °F 78% 30.07 in 10.0 mi SSW 4.6 mph - N/A   Clear
7:35 PM 1.4 °F - -0.4 °F 92% 30.05 in 10.0 mi Calm Calm - N/A   Clear
7:55 PM 1.4 °F - -2.2 °F 85% 30.04 in 10.0 mi Calm Calm - N/A   Clear
8:15 PM -0.4 °F -13.4 °F -9.4 °F 66% 30.03 in 10.0 mi SW 6.9 mph - N/A   Clear
8:35 PM 1.4 °F -14.5 °F 1.4 °F 100% 30.01 in 10.0 mi SSW 10.4 mph - N/A   Clear
8:55 PM -0.4 °F -15.7 °F -14.8 °F 51% 30.01 in 10.0 mi SSW 9.2 mph - N/A   Clear
9:15 PM -2.2 °F -15.6 °F -4.0 °F 92% 29.99 in 10.0 mi SSW 6.9 mph - N/A   Clear
9:35 PM -4.0 °F -16.3 °F -11.2 °F 71% 29.97 in 10.0 mi SSE 5.8 mph - N/A   Clear
9:55 PM -2.2 °F -16.8 °F -5.8 °F 85% 29.95 in 10.0 mi South 8.1 mph - N/A   Clear
10:15 PM 3.2 °F -13.9 °F - N/A% 29.93 in 10.0 mi SSW 12.7 mph - N/A   Clear
10:35 PM 3.2 °F -13.9 °F -9.4 °F 56% 29.92 in 10.0 mi SSW 12.7 mph - N/A   Clear
10:55 PM 3.2 °F -13.9 °F -2.2 °F 78% 29.91 in 10.0 mi SSW 12.7 mph - N/A   Partly Cloudy
11:15 PM 5.0 °F -10.0 °F 5.0 °F 100% 29.89 in 10.0 mi SSW 10.4 mph - N/A   Partly Cloudy
11:35 PM 6.8 °F -8.6 °F 3.2 °F 85% 29.87 in 10.0 mi SSW 11.5 mph - N/A   Scattered Clouds
11:55 PM 6.8 °F -8.6 °F -0.4 °F 72% 29.86 in 10.0 mi South 11.5 mph - N/A   Partly Cloudy