Weather History for Sidney-Richland, MT

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Sunday, December 30, 2012

  Actual Average Record
Temperature  
Mean Temperature 14 °F -  
Max Temperature 24 °F 21 °F 51 °F (1912)
Min Temperature 3 °F 2 °F -34 °F (1968)
Degree Days  
Heating Degree Days 52    
Moisture  
Dew Point 14 °F    
Average Humidity 83    
Maximum Humidity 100    
Minimum Humidity 73    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.04 in    
Wind  
Wind Speed 5 mph (WNW)    
Max Wind Speed 18 mph    
Max Gust Speed 18 mph    
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. 30, 2012 Rise Set
Actual Time 7:45 AM MST 4:14 PM MST
Civil Twilight 7:09 AM MST 4:49 PM MST
Nautical Twilight 6:30 AM MST 5:29 PM MST
Astronomical Twilight 5:52 AM MST 6:06 PM MST
Moon 6:59 PM MST 8:45 AM MST
Length of Visible Light 9h 40m
Length of Day
8h 28m
Waning Gibbous, 95% of the Moon is Illuminated
Dec 30
Waning Gibbous
Jan 4
Last Quarter
Jan 11
New
Jan 18
First Quarter
Jan 26
Full

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 - 8.6 °F 85% 29.95 in 10.0 mi Calm Calm - N/A   Clear
12:35 AM 8.6 °F 0.1 °F 3.2 °F 79% 29.95 in 10.0 mi South 4.6 mph - N/A   Clear
12:55 AM 10.4 °F -2.4 °F 6.8 °F 85% 29.95 in 10.0 mi SSW 9.2 mph - N/A   Clear
1:15 AM 10.4 °F - 3.2 °F 73% 29.95 in 10.0 mi Calm Calm - N/A   Clear
1:35 AM 8.6 °F - 1.4 °F 73% 29.96 in 10.0 mi Calm Calm - N/A   Clear
1:55 AM 8.6 °F - 3.2 °F 79% 29.96 in 10.0 mi Calm Calm - N/A   Clear
2:15 AM 6.8 °F - 1.4 °F 79% 29.96 in 10.0 mi Calm Calm - N/A   Clear
2:35 AM 5.0 °F - -0.4 °F 78% 29.96 in 10.0 mi Calm Calm - N/A   Clear
3:15 AM 3.2 °F -7.8 °F -0.4 °F 85% 29.96 in 10.0 mi South 5.8 mph - N/A   Clear
3:35 AM 3.2 °F -4.2 °F 1.4 °F 92% 29.95 in 10.0 mi SSW 3.5 mph - N/A   Mostly Cloudy
3:55 AM 5.0 °F -2.1 °F -0.4 °F 78% 29.96 in 10.0 mi South 3.5 mph - N/A   Overcast
4:15 AM 6.8 °F -3.5 °F 6.8 °F 100% 29.96 in 10.0 mi SSW 5.8 mph - N/A   Overcast
4:35 AM 8.6 °F 2.0 °F 6.8 °F 92% 29.96 in 10.0 mi SW 3.5 mph - N/A   Overcast
4:55 AM 10.4 °F 0.8 °F 8.6 °F 92% 29.96 in 10.0 mi South 5.8 mph - N/A   Overcast
5:15 AM 10.4 °F 0.8 °F 8.6 °F 92% 29.97 in 10.0 mi South 5.8 mph - N/A   Overcast
5:35 AM 10.4 °F 4.0 °F 8.6 °F 92% 29.98 in 10.0 mi SSW 3.5 mph - N/A   Overcast
5:55 AM 12.2 °F 4.3 °F 8.6 °F 85% 29.99 in 10.0 mi SSE 4.6 mph - N/A   Overcast
6:35 AM 19.4 °F 7.9 °F 15.8 °F 86% 29.99 in 10.0 mi WNW 10.4 mph - N/A   Overcast
6:55 AM 19.4 °F 11.5 °F 15.8 °F 86% 29.99 in 10.0 mi WNW 5.8 mph - N/A   Overcast
7:35 AM 21.2 °F 12.6 °F 17.6 °F 86% 29.99 in 2.5 mi West 6.9 mph - N/A   Overcast
7:55 AM 21.2 °F - 19.4 °F 93% 30.00 in 5.0 mi Calm Calm - N/A   Overcast
8:15 AM 21.2 °F 14.9 °F 19.4 °F 93% 30.00 in 5.0 mi South 4.6 mph - N/A   Overcast
8:35 AM 19.4 °F 12.8 °F 15.8 °F 86% 30.01 in 10.0 mi SSW 4.6 mph - N/A   Overcast
8:55 AM 17.6 °F - 15.8 °F 93% 30.01 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
9:15 AM 19.4 °F 14.3 °F 19.4 °F 100% 30.02 in 10.0 mi WNW 3.5 mph - N/A   Mostly Cloudy
9:35 AM 21.2 °F 12.6 °F 19.4 °F 93% 30.02 in 10.0 mi WNW 6.9 mph - N/A   Scattered Clouds
9:55 AM 21.2 °F 10.9 °F 17.6 °F 86% 30.02 in 10.0 mi WNW 9.2 mph - N/A   Scattered Clouds
10:15 AM 23.0 °F 10.1 °F 19.4 °F 86% 30.02 in 2.5 mi WNW 15.0 mph - N/A   Mostly Cloudy
10:35 AM 24.8 °F 12.9 °F 19.4 °F 80% 30.03 in 10.0 mi WNW 13.8 mph - N/A   Mostly Cloudy
10:55 AM 24.8 °F 12.4 °F 19.4 °F 80% 30.03 in 10.0 mi WNW 15.0 mph 18.4 mph N/A   Overcast
11:15 AM 21.2 °F 6.4 °F 17.6 °F 86% 30.02 in 10.0 mi WNW 18.4 mph - N/A   Mostly Cloudy
11:35 AM 23.0 °F 9.2 °F 17.6 °F 80% 30.02 in 10.0 mi WNW 17.3 mph - N/A   Clear
11:55 AM 24.8 °F 11.9 °F 19.4 °F 80% 30.02 in 10.0 mi NW 16.1 mph - N/A   Mostly Cloudy
12:15 PM 24.8 °F 12.9 °F 19.4 °F 80% 30.03 in 10.0 mi WNW 13.8 mph - N/A   Overcast
12:35 PM 24.8 °F 14.0 °F 19.4 °F 80% 30.02 in 10.0 mi NW 11.5 mph - N/A   Overcast
12:55 PM 24.8 °F 13.4 °F 19.4 °F 80% 30.02 in 10.0 mi NW 12.7 mph - N/A   Overcast
1:15 PM 24.8 °F 13.4 °F 19.4 °F 80% 30.03 in 10.0 mi NW 12.7 mph - N/A   Overcast
1:35 PM 24.8 °F 14.0 °F 19.4 °F 80% 30.03 in 10.0 mi NW 11.5 mph - N/A   Overcast
1:55 PM 24.8 °F 14.6 °F 19.4 °F 80% 30.03 in 10.0 mi NW 10.4 mph - N/A   Overcast
2:15 PM 24.8 °F 13.4 °F 19.4 °F 80% 30.04 in 10.0 mi NW 12.7 mph - N/A   Overcast
2:35 PM 24.8 °F 15.3 °F 19.4 °F 80% 30.04 in 10.0 mi NW 9.2 mph - N/A   Overcast
3:15 PM 24.8 °F 11.1 °F 19.4 °F 80% 30.05 in 10.0 mi NW 18.4 mph - N/A   Overcast
3:35 PM 24.8 °F 13.4 °F 19.4 °F 80% 30.06 in 10.0 mi NW 12.7 mph - N/A   Overcast
3:55 PM 24.8 °F 13.4 °F 19.4 °F 80% 30.06 in 10.0 mi NW 12.7 mph - N/A   Overcast
4:35 PM 24.8 °F 16.1 °F 19.4 °F 80% 30.07 in 9.0 mi NW 8.1 mph - N/A   Overcast
4:55 PM 23.0 °F 15.8 °F 19.4 °F 86% 30.08 in 9.0 mi NW 5.8 mph - N/A   Overcast
5:15 PM 23.0 °F 17.0 °F 19.4 °F 86% 30.08 in 9.0 mi WNW 4.6 mph - N/A   Overcast
5:35 PM 23.0 °F 17.0 °F 21.2 °F 93% 30.09 in 10.0 mi WNW 4.6 mph - N/A   Overcast
5:55 PM 23.0 °F 15.8 °F 21.2 °F 93% 30.10 in 10.0 mi NNE 5.8 mph - N/A   Overcast
6:15 PM 23.0 °F 13.9 °F 17.6 °F 80% 30.10 in 10.0 mi NNE 8.1 mph - N/A   Overcast
6:35 PM 21.2 °F 10.1 °F 15.8 °F 80% 30.11 in 10.0 mi NNE 10.4 mph - N/A   Overcast
6:55 PM 21.2 °F 12.6 °F 15.8 °F 80% 30.11 in 10.0 mi NNE 6.9 mph - N/A   Overcast
7:15 PM 19.4 °F 9.5 °F 14.0 °F 80% 30.11 in 10.0 mi NE 8.1 mph - N/A   Overcast
7:35 PM 19.4 °F 10.4 °F 14.0 °F 80% 30.12 in 10.0 mi NNE 6.9 mph - N/A   Overcast
7:55 PM 19.4 °F 10.4 °F 14.0 °F 80% 30.12 in 10.0 mi NNE 6.9 mph - N/A   Overcast
8:15 PM 19.4 °F 12.8 °F 14.0 °F 80% 30.12 in 10.0 mi NE 4.6 mph - N/A   Overcast
8:35 PM 19.4 °F 14.3 °F 14.0 °F 80% 30.12 in 10.0 mi NNE 3.5 mph - N/A   Overcast
8:55 PM 19.4 °F - 12.2 °F 74% 30.12 in 10.0 mi Calm Calm - N/A   Overcast
9:15 PM 21.2 °F - 15.8 °F 80% 30.12 in 10.0 mi Calm Calm - N/A   Overcast
9:35 PM 21.2 °F 16.4 °F 14.0 °F 74% 30.12 in 10.0 mi NNE 3.5 mph - N/A   Overcast
9:55 PM 19.4 °F - 14.0 °F 80% 30.12 in 10.0 mi Calm Calm - N/A   Overcast
10:15 PM 19.4 °F - 12.2 °F 74% 30.12 in 10.0 mi Calm Calm - N/A   Overcast
10:35 PM 19.4 °F - 14.0 °F 80% 30.12 in 10.0 mi Calm Calm - N/A   Overcast
10:55 PM 17.6 °F 12.3 °F 12.2 °F 79% 30.13 in 10.0 mi SE 3.5 mph - N/A   Overcast
11:15 PM 17.6 °F - 14.0 °F 86% 30.12 in 10.0 mi Calm Calm - N/A   Overcast
11:35 PM 17.6 °F - 14.0 °F 86% 30.12 in 10.0 mi Calm Calm - N/A   Overcast
11:55 PM 17.6 °F - 12.2 °F 79% 30.12 in 10.0 mi Calm Calm - N/A   Overcast