Weather History for Sidney-Richland, MT

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Tuesday, December 11, 2012

  Actual Average Record
Temperature  
Mean Temperature 26 °F -  
Max Temperature 35 °F 31 °F 62 °F (2004)
Min Temperature 17 °F 9 °F -22 °F (2013)
Degree Days  
Heating Degree Days 39    
Moisture  
Dew Point 21 °F    
Average Humidity 82    
Maximum Humidity 93    
Minimum Humidity 74    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.65 in    
Wind  
Wind Speed 6 mph (SW)    
Max Wind Speed 16 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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Date:

Astronomy

Dec. 11, 2012 Rise Set
Actual Time 7:35 AM MST 4:04 PM MST
Civil Twilight 6:59 AM MST 4:40 PM MST
Nautical Twilight 6:20 AM MST 5:19 PM MST
Astronomical Twilight 5:43 AM MST 5:57 PM MST
Moon 5:29 AM MST (12/11) 2:49 PM MST (12/11)
Length of Visible Light 9h 40m
Length of Day
8h 28m
Waning Crescent, 4% of the Moon is Illuminated
Dec 11
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 26.6 °F 17.5 °F 21.2 °F 80% 29.81 in 10.0 mi WNW 9.2 mph - N/A   Overcast
12:35 AM 26.6 °F 17.5 °F 21.2 °F 80% 29.81 in 10.0 mi WNW 9.2 mph - N/A   Overcast
12:55 AM 26.6 °F 19.1 °F 21.2 °F 80% 29.81 in 10.0 mi WNW 6.9 mph - N/A   Overcast
1:15 AM 23.0 °F 13.1 °F 17.6 °F 80% 29.81 in 10.0 mi WNW 9.2 mph - N/A   Mostly Cloudy
1:35 AM 23.0 °F 14.7 °F 19.4 °F 86% 29.80 in 10.0 mi West 6.9 mph - N/A   Overcast
1:55 AM 21.2 °F 16.4 °F 17.6 °F 86% 29.80 in 10.0 mi SW 3.5 mph - N/A   Mostly Cloudy
2:15 AM 19.4 °F - 15.8 °F 86% 29.80 in 10.0 mi Calm Calm - N/A   Clear
2:35 AM 17.6 °F 10.7 °F 12.2 °F 79% 29.81 in 10.0 mi WNW 4.6 mph - N/A   Mostly Cloudy
2:55 AM 17.6 °F 9.3 °F 12.2 °F 79% 29.80 in 10.0 mi WSW 5.8 mph - N/A   Overcast
3:15 AM 19.4 °F 10.4 °F 15.8 °F 86% 29.81 in 10.0 mi West 6.9 mph - N/A   Overcast
3:35 AM 19.4 °F 12.8 °F 17.6 °F 93% 29.80 in 10.0 mi WSW 4.6 mph - N/A   Overcast
3:55 AM 23.0 °F 14.7 °F 19.4 °F 86% 29.79 in 10.0 mi West 6.9 mph - N/A   Overcast
4:35 AM 23.0 °F 18.4 °F 19.4 °F 86% 29.80 in 10.0 mi WNW 3.5 mph - N/A   Overcast
4:55 AM 21.2 °F 16.4 °F 19.4 °F 93% 29.79 in 10.0 mi West 3.5 mph - N/A   Overcast
5:15 AM 23.0 °F - 19.4 °F 86% 29.79 in 10.0 mi Calm Calm - N/A   Overcast
5:35 AM 23.0 °F - 17.6 °F 80% 29.79 in 10.0 mi Calm Calm - N/A   Overcast
5:55 AM 23.0 °F - 19.4 °F 86% 29.79 in 10.0 mi Calm Calm - N/A   Overcast
6:15 AM 23.0 °F - 19.4 °F 86% 29.78 in 10.0 mi Calm Calm - N/A   Overcast
6:35 AM 21.2 °F 14.9 °F 17.6 °F 86% 29.78 in 10.0 mi North 4.6 mph - N/A   Overcast
6:55 AM 23.0 °F - 19.4 °F 86% 29.77 in 10.0 mi Calm Calm - N/A   Overcast
7:15 AM 21.2 °F 16.4 °F 19.4 °F 93% 29.77 in 10.0 mi SSW 3.5 mph - N/A   Overcast
7:35 AM 21.2 °F 16.4 °F 17.6 °F 86% 29.76 in 10.0 mi SSW 3.5 mph - N/A   Overcast
7:55 AM 19.4 °F - 17.6 °F 93% 29.76 in 10.0 mi Calm Calm - N/A   Overcast
8:15 AM 19.4 °F - 15.8 °F 86% 29.75 in 10.0 mi Calm Calm - N/A   Overcast
8:35 AM 19.4 °F 12.8 °F 15.8 °F 86% 29.75 in 10.0 mi SSW 4.6 mph - N/A   Overcast
8:55 AM 19.4 °F 12.8 °F 17.6 °F 93% 29.75 in 10.0 mi SSW 4.6 mph - N/A   Overcast
9:15 AM 19.4 °F 11.5 °F 17.6 °F 93% 29.75 in 10.0 mi SSW 5.8 mph - N/A   Overcast
9:35 AM 21.2 °F 13.6 °F 17.6 °F 86% 29.73 in 10.0 mi SSW 5.8 mph - N/A   Overcast
9:55 AM 19.4 °F 10.4 °F 17.6 °F 93% 29.72 in 10.0 mi SSW 6.9 mph - N/A   Overcast
10:15 AM 19.4 °F 10.4 °F 15.8 °F 86% 29.72 in 10.0 mi SSW 6.9 mph - N/A   Overcast
10:35 AM 21.2 °F 14.9 °F 17.6 °F 86% 29.71 in 10.0 mi South 4.6 mph - N/A   Overcast
10:55 AM 21.2 °F 16.4 °F 17.6 °F 86% 29.70 in 10.0 mi South 3.5 mph - N/A   Mostly Cloudy
11:15 AM 23.0 °F 18.4 °F 17.6 °F 80% 29.68 in 10.0 mi South 3.5 mph - N/A   Clear
11:55 AM 24.8 °F 14.6 °F 19.4 °F 80% 29.65 in 10.0 mi SSE 10.4 mph - N/A   Clear
12:15 PM 24.8 °F 14.6 °F 19.4 °F 80% 29.63 in 10.0 mi SE 10.4 mph - N/A   Clear
12:35 PM 26.6 °F 22.6 °F 19.4 °F 74% 29.64 in 10.0 mi SSW 3.5 mph - N/A   Clear
12:55 PM 26.6 °F - 19.4 °F 74% 29.63 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
1:15 PM 26.6 °F 22.6 °F 19.4 °F 74% 29.62 in 10.0 mi South 3.5 mph - N/A   Mostly Cloudy
1:35 PM 26.6 °F 21.2 °F 19.4 °F 74% 29.60 in 10.0 mi South 4.6 mph - N/A   Overcast
1:55 PM 26.6 °F - 21.2 °F 80% 29.59 in 10.0 mi Calm Calm - N/A   Overcast
2:15 PM 26.6 °F 21.2 °F 19.4 °F 74% 29.57 in 10.0 mi South 4.6 mph - N/A   Overcast
2:35 PM 26.6 °F 20.0 °F 19.4 °F 74% 29.57 in 10.0 mi SSW 5.8 mph - N/A   Overcast
2:55 PM 26.6 °F 21.2 °F 21.2 °F 80% 29.56 in 10.0 mi SSW 4.6 mph - N/A   Overcast
3:15 PM 26.6 °F 19.1 °F 21.2 °F 80% 29.57 in 10.0 mi SW 6.9 mph - N/A   Overcast
3:35 PM 26.6 °F 19.1 °F 21.2 °F 80% 29.56 in 10.0 mi SW 6.9 mph - N/A   Overcast
3:55 PM 28.4 °F 22.2 °F 21.2 °F 74% 29.55 in 10.0 mi SSW 5.8 mph - N/A   Overcast
4:15 PM 28.4 °F 23.3 °F 23.0 °F 80% 29.55 in 10.0 mi South 4.6 mph - N/A   Overcast
4:35 PM 26.6 °F 21.2 °F 23.0 °F 86% 29.53 in 10.0 mi SSE 4.6 mph - N/A   Overcast
4:55 PM 26.6 °F - 24.8 °F 93% 29.53 in 10.0 mi Calm Calm - N/A   Overcast
5:15 PM 28.4 °F - 23.0 °F 80% 29.52 in 10.0 mi Calm Calm - N/A   Overcast
5:35 PM 28.4 °F 21.2 °F 24.8 °F 86% 29.53 in 10.0 mi WSW 6.9 mph - N/A   Overcast
5:55 PM 28.4 °F 24.6 °F 24.8 °F 86% 29.52 in 10.0 mi SSW 3.5 mph - N/A   Overcast
6:15 PM 30.2 °F 20.8 °F 24.8 °F 80% 29.51 in 10.0 mi SSW 11.5 mph - N/A   Overcast
6:35 PM 32.0 °F 21.2 °F 26.6 °F 80% 29.50 in 10.0 mi SSW 16.1 mph - N/A   Overcast
6:55 PM 32.0 °F 21.6 °F 24.8 °F 75% 29.49 in 10.0 mi SSW 15.0 mph - N/A   Overcast
7:15 PM 32.0 °F 21.2 °F 24.8 °F 75% 29.48 in 10.0 mi SSW 16.1 mph - N/A   Overcast
7:35 PM 32.0 °F 21.6 °F 24.8 °F 75% 29.48 in 10.0 mi SSW 15.0 mph - N/A   Overcast
7:55 PM 32.0 °F 22.5 °F 24.8 °F 75% 29.48 in 10.0 mi SSW 12.7 mph - N/A   Overcast
8:15 PM 32.0 °F 21.6 °F 24.8 °F 75% 29.48 in 10.0 mi SW 15.0 mph - N/A   Overcast
8:35 PM 32.0 °F 21.2 °F 26.6 °F 80% 29.48 in 10.0 mi SW 16.1 mph - N/A   Overcast
8:55 PM 32.0 °F 22.5 °F 24.8 °F 75% 29.48 in 10.0 mi SW 12.7 mph - N/A   Overcast
9:15 PM 33.8 °F 24.8 °F 26.6 °F 75% 29.48 in 10.0 mi SSW 12.7 mph - N/A   Overcast
9:35 PM 33.8 °F 24.3 °F 26.6 °F 75% 29.48 in 10.0 mi SW 13.8 mph - N/A   Overcast
10:15 PM 33.8 °F 25.8 °F 26.6 °F 75% 29.48 in 10.0 mi SW 10.4 mph - N/A   Overcast
10:35 PM 33.8 °F 25.8 °F 26.6 °F 75% 29.49 in 10.0 mi SW 10.4 mph - N/A   Overcast
10:55 PM 35.6 °F 29.9 °F 28.4 °F 75% 29.50 in 10.0 mi SW 6.9 mph - N/A   Overcast
11:15 PM 33.8 °F - 26.6 °F 75% 29.51 in 10.0 mi Calm Calm - N/A   Overcast
11:35 PM 32.0 °F 24.2 °F 28.4 °F 87% 29.52 in 10.0 mi WSW 9.2 mph - N/A   Overcast
11:55 PM 35.6 °F 28.0 °F 28.4 °F 75% 29.52 in 10.0 mi West 10.4 mph - N/A   Overcast