Weather History for Sidney-Richland, MT

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Saturday, December 15, 2012

  Actual Average Record
Temperature  
Mean Temperature 17 °F -  
Max Temperature 24 °F 30 °F 53 °F (1962)
Min Temperature 10 °F 7 °F -31 °F (1963)
Degree Days  
Heating Degree Days 48    
Moisture  
Dew Point 15 °F    
Average Humidity 92    
Maximum Humidity 100    
Minimum Humidity 80    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.80 in    
Wind  
Wind Speed 2 mph (WNW)    
Max Wind Speed 6 mph    
Max Gust Speed -    
Visibility 6 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. 15, 2012 Rise Set
Actual Time 7:39 AM MST 4:05 PM MST
Civil Twilight 7:03 AM MST 4:41 PM MST
Nautical Twilight 6:23 AM MST 5:20 PM MST
Astronomical Twilight 5:46 AM MST 5:58 PM MST
Moon 9:25 AM MST (12/15) 7:21 PM MST (12/15)
Length of Visible Light 9h 38m
Length of Day
8h 26m
Waxing Crescent, 9% of the Moon is Illuminated
Dec 15
Waxing Crescent
Dec 19
First Quarter
Dec 28
Full
Jan 4
Last Quarter
Jan 11
New

Hourly Weather History & Observations

Time (MST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:35 AM 12.2 °F 4.3 °F 10.4 °F 92% 29.74 in 0.5 mi South 4.6 mph - N/A   Overcast
12:55 AM 10.4 °F - 8.6 °F 92% 29.74 in 7.0 mi Calm Calm - N/A   Overcast
1:15 AM 10.4 °F 2.2 °F 10.4 °F 100% 29.75 in 2.5 mi South 4.6 mph - N/A   Overcast
1:35 AM 12.2 °F 6.1 °F 10.4 °F 92% 29.77 in 10.0 mi SSW 3.5 mph - N/A   Overcast
1:55 AM 12.2 °F 6.1 °F 10.4 °F 92% 29.77 in 2.5 mi SW 3.5 mph - N/A   Overcast
2:15 AM 14.0 °F 8.2 °F 12.2 °F 93% 29.77 in 9.0 mi SW 3.5 mph - N/A   Mostly Cloudy
2:55 AM 14.0 °F 6.5 °F 12.2 °F 93% 29.77 in 9.0 mi South 4.6 mph - N/A   Partly Cloudy
3:35 AM 12.2 °F - 10.4 °F 92% 29.77 in 10.0 mi Calm Calm - N/A   Clear
4:15 AM 12.2 °F - 10.4 °F 92% 29.77 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
4:55 AM 12.2 °F - 8.6 °F 85% 29.77 in 10.0 mi Calm Calm - N/A   Clear
5:15 AM 10.4 °F 2.2 °F 6.8 °F 85% 29.77 in 10.0 mi South 4.6 mph - N/A   Clear
5:35 AM 10.4 °F - 10.4 °F 100% 29.78 in 10.0 mi Calm Calm - N/A   Scattered Clouds
5:55 AM 12.2 °F 6.1 °F 12.2 °F 100% 29.79 in 10.0 mi SSW 3.5 mph - N/A   Mostly Cloudy
6:35 AM 10.4 °F 4.0 °F 8.6 °F 92% 29.80 in 10.0 mi SSW 3.5 mph - N/A   Partly Cloudy
6:55 AM 10.4 °F - 8.6 °F 92% 29.80 in 10.0 mi Calm Calm - N/A   Scattered Clouds
7:15 AM 10.4 °F - 8.6 °F 92% 29.80 in 10.0 mi Calm Calm - N/A   Scattered Clouds
7:35 AM 10.4 °F - 6.8 °F 85% 29.81 in 10.0 mi Calm Calm - N/A   Scattered Clouds
7:55 AM 12.2 °F 6.1 °F 8.6 °F 85% 29.81 in 10.0 mi South 3.5 mph - N/A   Mostly Cloudy
8:15 AM 10.4 °F 0.8 °F 6.8 °F 85% 29.82 in 10.0 mi SSW 5.8 mph - N/A   Scattered Clouds
8:35 AM 12.2 °F - 8.6 °F 85% 29.82 in 10.0 mi Calm Calm - N/A   Partly Cloudy
8:55 AM 12.2 °F - 10.4 °F 92% 29.82 in 10.0 mi Calm Calm - N/A   Scattered Clouds
9:15 AM 12.2 °F - 8.6 °F 85% 29.83 in 10.0 mi Calm Calm - N/A   Scattered Clouds
10:15 AM 17.6 °F - 15.8 °F 93% 29.85 in 10.0 mi Calm Calm - N/A   Clear
10:55 AM 19.4 °F - 19.4 °F 100% 29.85 in 10.0 mi Calm Calm - N/A   Clear
11:15 AM 19.4 °F - 17.6 °F 93% 29.84 in 10.0 mi Calm Calm - N/A   Clear
11:35 AM 19.4 °F - 15.8 °F 86% 29.84 in 10.0 mi Calm Calm - N/A   Clear
11:55 AM 21.2 °F - 19.4 °F 93% 29.83 in 10.0 mi Calm Calm - N/A   Clear
12:15 PM 23.0 °F - 19.4 °F 86% 29.82 in 10.0 mi Calm Calm - N/A   Clear
12:35 PM 23.0 °F - 19.4 °F 86% 29.81 in 10.0 mi Calm Calm - N/A   Clear
12:55 PM 24.8 °F - 21.2 °F 86% 29.81 in 10.0 mi Calm Calm - N/A   Clear
1:15 PM 24.8 °F 19.1 °F 19.4 °F 80% 29.81 in 10.0 mi NE 4.6 mph - N/A   Clear
1:35 PM 24.8 °F 17.9 °F 19.4 °F 80% 29.80 in 9.0 mi NE 5.8 mph - N/A   Mostly Cloudy
1:55 PM 24.8 °F 19.1 °F 19.4 °F 80% 29.80 in 5.0 mi NNE 4.6 mph - N/A   Overcast
2:15 PM 24.8 °F - 21.2 °F 86% 29.81 in 7.0 mi Calm Calm - N/A   Overcast
2:35 PM 23.0 °F 18.4 °F 21.2 °F 93% 29.81 in 8.0 mi NNE 3.5 mph - N/A   Overcast
2:55 PM 24.8 °F 19.1 °F 19.4 °F 80% 29.81 in 5.0 mi North 4.6 mph - N/A   Overcast
3:15 PM 21.2 °F 16.4 °F 19.4 °F 93% 29.82 in 7.0 mi North 3.5 mph - N/A   Overcast
3:35 PM 21.2 °F 16.4 °F 19.4 °F 93% 29.82 in 6.0 mi NNE 3.5 mph - N/A   Overcast
3:55 PM 23.0 °F 18.4 °F 19.4 °F 86% 29.82 in 7.0 mi NNE 3.5 mph - N/A   Overcast
4:15 PM 19.4 °F 12.8 °F 17.6 °F 93% 29.82 in 5.0 mi NNW 4.6 mph - N/A   Overcast
4:55 PM 17.6 °F 12.3 °F 17.6 °F 100% 29.82 in 0.8 mi NW 3.5 mph - N/A   Overcast
5:35 PM 17.6 °F - 17.6 °F 100% 29.82 in 0.2 mi Calm Calm - N/A   Overcast
5:55 PM 17.6 °F - 15.8 °F 93% 29.82 in 0.2 mi Calm Calm - N/A   Overcast
6:15 PM 17.6 °F 10.7 °F 15.8 °F 93% 29.83 in 0.2 mi NNW 4.6 mph - N/A   Overcast
6:35 PM 17.6 °F 12.3 °F 15.8 °F 93% 29.83 in 0.2 mi NW 3.5 mph - N/A   Overcast
6:55 PM 17.6 °F 12.3 °F 17.6 °F 100% 29.83 in 0.2 mi WNW 3.5 mph - N/A   Overcast
7:15 PM 17.6 °F 12.3 °F 15.8 °F 93% 29.83 in 0.2 mi NW 3.5 mph - N/A   Overcast
7:35 PM 17.6 °F 12.3 °F 15.8 °F 93% 29.83 in 0.2 mi NW 3.5 mph - N/A   Overcast
7:55 PM 17.6 °F - 17.6 °F 100% 29.83 in 0.2 mi Calm Calm - N/A   Overcast
8:15 PM 17.6 °F - 15.8 °F 93% 29.82 in 0.2 mi Calm Calm - N/A   Overcast
8:35 PM 17.6 °F - 17.6 °F 100% 29.81 in 0.2 mi Calm Calm - N/A   Overcast
8:55 PM 17.6 °F - 17.6 °F 100% 29.81 in 0.2 mi Calm Calm - N/A   Overcast
9:15 PM 17.6 °F - 15.8 °F 93% 29.81 in 0.2 mi Calm Calm - N/A   Overcast
9:35 PM 19.4 °F - 19.4 °F 100% 29.81 in 0.2 mi Calm Calm - N/A   Overcast
9:55 PM 19.4 °F - 17.6 °F 93% 29.80 in 0.2 mi Calm Calm - N/A   Overcast
10:15 PM 19.4 °F - 17.6 °F 93% 29.80 in 0.2 mi Calm Calm - N/A   Overcast
10:35 PM 19.4 °F - 17.6 °F 93% 29.80 in 0.2 mi Calm Calm - N/A   Overcast
10:55 PM 19.4 °F - 17.6 °F 93% 29.80 in 0.2 mi Calm Calm - N/A   Overcast
11:15 PM 17.6 °F - 17.6 °F 100% 29.79 in 0.2 mi Calm Calm - N/A   Overcast
11:35 PM 17.6 °F 12.3 °F 15.8 °F 93% 29.79 in 0.2 mi ESE 3.5 mph - N/A   Overcast
11:55 PM 17.6 °F 10.7 °F 15.8 °F 93% 29.78 in 0.2 mi ESE 4.6 mph - N/A   Overcast