Weather History for Sidney-Richland, MT

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Monday, December 17, 2012

  Actual Average Record
Temperature  
Mean Temperature 14 °F -  
Max Temperature 26 °F 29 °F 65 °F (1912)
Min Temperature 1 °F 8 °F -25 °F (1975)
Degree Days  
Heating Degree Days 52    
Moisture  
Dew Point 11 °F    
Average Humidity 87    
Maximum Humidity 100    
Minimum Humidity 66    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.51 in    
Wind  
Wind Speed 1 mph (ENE)    
Max Wind Speed 5 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. 17, 2012 Rise Set
Actual Time 7:40 AM MST 4:05 PM MST
Civil Twilight 7:04 AM MST 4:42 PM MST
Nautical Twilight 6:24 AM MST 5:21 PM MST
Astronomical Twilight 5:47 AM MST 5:59 PM MST
Moon 10:32 AM MST (12/17) 9:50 PM MST (12/17)
Length of Visible Light 9h 37m
Length of Day
8h 25m
Waxing Crescent, 25% of the Moon is Illuminated
Dec 17
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
12:15 AM 12.2 °F 6.1 °F 12.2 °F 100% 29.65 in 5.0 mi South 3.5 mph - N/A   Clear
12:55 AM 8.6 °F - 6.8 °F 92% 29.62 in 8.0 mi Calm Calm - N/A   Clear
1:15 AM 8.6 °F 0.1 °F 6.8 °F 92% 29.62 in 9.0 mi South 4.6 mph - N/A   Clear
1:55 AM 10.4 °F 2.2 °F 8.6 °F 92% 29.62 in 10.0 mi South 4.6 mph - N/A   Clear
2:15 AM 6.8 °F - 3.2 °F 85% 29.62 in 10.0 mi Calm Calm - N/A   Clear
2:35 AM 6.8 °F - 3.2 °F 85% 29.62 in 10.0 mi Calm Calm - N/A   Clear
2:55 AM 6.8 °F - 5.0 °F 92% 29.61 in 9.0 mi Calm Calm - N/A   Clear
3:15 AM 8.6 °F 2.0 °F 6.8 °F 92% 29.60 in 10.0 mi South 3.5 mph - N/A   Clear
3:35 AM 6.8 °F - 1.4 °F 79% 29.60 in 10.0 mi Calm Calm - N/A   Clear
3:55 AM 6.8 °F - 3.2 °F 85% 29.59 in 10.0 mi Calm Calm - N/A   Clear
4:15 AM 5.0 °F - 3.2 °F 92% 29.59 in 10.0 mi Calm Calm - N/A   Clear
4:35 AM 3.2 °F - -2.2 °F 78% 29.58 in 10.0 mi Calm Calm - N/A   Clear
4:55 AM 3.2 °F - 3.2 °F 100% 29.58 in 10.0 mi Calm Calm - N/A   Clear
5:15 AM 6.8 °F - -2.2 °F 67% 29.58 in 10.0 mi Calm Calm - N/A   Clear
5:35 AM 1.4 °F - -5.8 °F 72% 29.58 in 10.0 mi Calm Calm - N/A   Clear
5:55 AM 1.4 °F - 1.4 °F 100% 29.58 in 10.0 mi Calm Calm - N/A   Clear
6:15 AM 3.2 °F - -2.2 °F 78% 29.57 in 10.0 mi Calm Calm - N/A   Clear
6:35 AM 5.0 °F - 3.2 °F 92% 29.57 in 10.0 mi Calm Calm - N/A   Clear
6:55 AM 1.4 °F - -7.6 °F 66% 29.56 in 10.0 mi Calm Calm - N/A   Clear
7:15 AM 1.4 °F - 1.4 °F 100% 29.56 in 10.0 mi Calm Calm - N/A   Clear
7:35 AM 1.4 °F - 1.4 °F 100% 29.56 in 10.0 mi Calm Calm - N/A   Clear
7:55 AM 1.4 °F - -2.2 °F 85% 29.55 in 10.0 mi Calm Calm - N/A   Clear
8:35 AM 3.2 °F - 1.4 °F 92% 29.55 in 9.0 mi Calm Calm - N/A   Clear
8:55 AM 8.6 °F - 8.6 °F 100% 29.54 in 10.0 mi Calm Calm - N/A   Clear
9:15 AM 6.8 °F - 3.2 °F 85% 29.54 in 10.0 mi Calm Calm - N/A   Clear
9:35 AM 8.6 °F - -0.4 °F 67% 29.54 in 10.0 mi Calm Calm - N/A   Clear
9:55 AM 8.6 °F - 6.8 °F 92% 29.54 in 10.0 mi Calm Calm - N/A   Clear
10:15 AM 10.4 °F - 8.6 °F 92% 29.53 in 10.0 mi Calm Calm - N/A   Clear
10:35 AM 12.2 °F - 10.4 °F 92% 29.52 in 10.0 mi Calm Calm - N/A   Clear
10:55 AM 12.2 °F - 10.4 °F 92% 29.52 in 10.0 mi Calm Calm - N/A   Clear
11:15 AM 14.0 °F - 12.2 °F 93% 29.51 in 10.0 mi Calm Calm - N/A   Clear
11:35 AM 17.6 °F - 15.8 °F 93% 29.50 in 10.0 mi Calm Calm - N/A   Clear
11:55 AM 17.6 °F - 15.8 °F 93% 29.49 in 10.0 mi Calm Calm - N/A   Clear
12:15 PM 19.4 °F - 17.6 °F 93% 29.48 in 10.0 mi Calm Calm - N/A   Clear
12:35 PM 19.4 °F - 17.6 °F 93% 29.47 in 10.0 mi Calm Calm - N/A   Clear
12:55 PM 21.2 °F - 17.6 °F 86% 29.46 in 10.0 mi Calm Calm - N/A   Clear
1:15 PM 21.2 °F - 17.6 °F 86% 29.45 in 10.0 mi Calm Calm - N/A   Clear
1:35 PM 21.2 °F - 17.6 °F 86% 29.44 in 10.0 mi Calm Calm - N/A   Partly Cloudy
1:55 PM 21.2 °F - 17.6 °F 86% 29.44 in 10.0 mi Calm Calm - N/A   Clear
2:35 PM 23.0 °F - 17.6 °F 80% 29.44 in 10.0 mi Calm Calm - N/A   Overcast
2:55 PM 23.0 °F - 19.4 °F 86% 29.44 in 10.0 mi Calm Calm - N/A   Overcast
5:35 PM 24.8 °F - 21.2 °F 86% 29.42 in 10.0 mi Calm Calm - N/A   Overcast
5:55 PM 26.6 °F - 21.2 °F 80% 29.42 in 10.0 mi Calm Calm - N/A   Overcast
6:15 PM 24.8 °F - 21.2 °F 86% 29.42 in 10.0 mi Calm Calm - N/A   Overcast
6:35 PM 24.8 °F - 21.2 °F 86% 29.42 in 10.0 mi Calm Calm - N/A   Overcast
7:15 PM 24.8 °F 19.1 °F 21.2 °F 86% 29.42 in 10.0 mi NE 4.6 mph - N/A   Overcast
7:35 PM 24.8 °F 19.1 °F 21.2 °F 86% 29.42 in 10.0 mi NE 4.6 mph - N/A   Overcast
7:55 PM 24.8 °F 20.5 °F 19.4 °F 80% 29.42 in 10.0 mi NE 3.5 mph - N/A   Overcast
8:15 PM 24.8 °F 19.1 °F 19.4 °F 80% 29.41 in 10.0 mi NE 4.6 mph - N/A   Overcast
8:35 PM 24.8 °F 19.1 °F 19.4 °F 80% 29.41 in 10.0 mi NNE 4.6 mph - N/A   Overcast
8:55 PM 23.0 °F 17.0 °F 19.4 °F 86% 29.41 in 10.0 mi NNE 4.6 mph - N/A   Overcast
9:15 PM 24.8 °F 19.1 °F 19.4 °F 80% 29.41 in 10.0 mi NNE 4.6 mph - N/A   Overcast
9:35 PM 24.8 °F 19.1 °F 19.4 °F 80% 29.42 in 10.0 mi NE 4.6 mph - N/A   Overcast
9:55 PM 23.0 °F 17.0 °F 19.4 °F 86% 29.41 in 10.0 mi NE 4.6 mph - N/A   Overcast
10:15 PM 24.8 °F 19.1 °F 19.4 °F 80% 29.42 in 10.0 mi NE 4.6 mph - N/A   Overcast
10:35 PM 24.8 °F 20.5 °F 19.4 °F 80% 29.42 in 10.0 mi NNE 3.5 mph - N/A   Overcast
10:55 PM 23.0 °F - 19.4 °F 86% 29.43 in 10.0 mi Calm Calm - N/A   Overcast
11:15 PM 24.8 °F 20.5 °F 19.4 °F 80% 29.42 in 10.0 mi East 3.5 mph - N/A   Mostly Cloudy
11:35 PM 21.2 °F 16.4 °F 19.4 °F 93% 29.42 in 10.0 mi NE 3.5 mph - N/A   Mostly Cloudy
11:55 PM 24.8 °F 20.5 °F 19.4 °F 80% 29.43 in 10.0 mi ESE 3.5 mph - N/A   Overcast