Weather History for Sidney-Richland, MT

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Wednesday, December 12, 2012

  Actual Average Record
Temperature  
Mean Temperature 25 °F -  
Max Temperature 33 °F 31 °F 54 °F (1912)
Min Temperature 17 °F 11 °F -27 °F (1916)
Degree Days  
Heating Degree Days 40    
Moisture  
Dew Point 21 °F    
Average Humidity 89    
Maximum Humidity 100    
Minimum Humidity 80    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.71 in    
Wind  
Wind Speed 5 mph (North)    
Max Wind Speed 12 mph    
Max Gust Speed -    
Visibility 9 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. 12, 2012 Rise Set
Actual Time 7:36 AM MST 4:04 PM MST
Civil Twilight 7:00 AM MST 4:40 PM MST
Nautical Twilight 6:21 AM MST 5:20 PM MST
Astronomical Twilight 5:43 AM MST 5:57 PM MST
Moon 6:42 AM MST (12/12) 3:45 PM MST (12/12)
Length of Visible Light 9h 40m
Length of Day
8h 28m
Waning Crescent, 0% of the Moon is Illuminated
Dec 12
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 33.8 °F - 28.4 °F 81% 29.52 in 10.0 mi Calm Calm - N/A   Overcast
12:35 AM 30.2 °F 24.3 °F 28.4 °F 93% 29.52 in 10.0 mi SSE 5.8 mph - N/A   Overcast
12:55 AM 30.2 °F - 28.4 °F 93% 29.53 in 10.0 mi Calm Calm - N/A   Overcast
1:15 AM 33.8 °F 27.7 °F 28.4 °F 81% 29.53 in 10.0 mi WNW 6.9 mph - N/A   Overcast
1:35 AM 33.8 °F 25.3 °F 30.2 °F 87% 29.54 in 10.0 mi West 11.5 mph - N/A   Overcast
1:55 AM 32.0 °F 24.8 °F 26.6 °F 80% 29.55 in 10.0 mi WNW 8.1 mph - N/A   Mostly Cloudy
2:15 AM 30.2 °F 22.6 °F 26.6 °F 86% 29.56 in 10.0 mi WNW 8.1 mph - N/A   Partly Cloudy
2:35 AM 30.2 °F 23.4 °F 26.6 °F 86% 29.56 in 10.0 mi West 6.9 mph - N/A   Clear
2:56 AM 30.2 °F - 26.6 °F 86% 29.57 in 10.0 mi Calm Calm - N/A   Partly Cloudy
3:15 AM 30.2 °F - 26.6 °F 86% 29.57 in 10.0 mi Calm Calm - N/A   Clear
3:35 AM 30.2 °F 25.4 °F 26.6 °F 86% 29.57 in 10.0 mi SW 4.6 mph - N/A   Clear
3:55 AM 26.6 °F 20.0 °F 24.8 °F 93% 29.58 in 10.0 mi SSW 5.8 mph - N/A   Clear
4:15 AM 26.6 °F 21.2 °F 23.0 °F 86% 29.58 in 10.0 mi WSW 4.6 mph - N/A   Clear
4:35 AM 26.6 °F 21.2 °F 21.2 °F 80% 29.58 in 10.0 mi WSW 4.6 mph - N/A   Clear
4:55 AM 23.0 °F - 19.4 °F 86% 29.59 in 10.0 mi Calm Calm - N/A   Clear
5:15 AM 23.0 °F 18.4 °F 21.2 °F 93% 29.60 in 10.0 mi NNW 3.5 mph - N/A   Clear
5:35 AM 23.0 °F 15.8 °F 21.2 °F 93% 29.61 in 10.0 mi WNW 5.8 mph - N/A   Clear
5:55 AM 23.0 °F 17.0 °F 19.4 °F 86% 29.61 in 10.0 mi WNW 4.6 mph - N/A   Clear
6:15 AM 21.2 °F - 17.6 °F 86% 29.62 in 10.0 mi Calm Calm - N/A   Clear
6:55 AM 19.4 °F 14.3 °F 19.4 °F 100% 29.62 in 10.0 mi WNW 3.5 mph - N/A   Clear
7:15 AM 19.4 °F 12.8 °F 17.6 °F 93% 29.63 in 10.0 mi NW 4.6 mph - N/A   Clear
7:35 AM 19.4 °F 14.3 °F 17.6 °F 93% 29.63 in 10.0 mi WNW 3.5 mph - N/A   Clear
7:55 AM 19.4 °F - 15.8 °F 86% 29.65 in 10.0 mi Calm Calm - N/A   Clear
8:15 AM 19.4 °F - 14.0 °F 80% 29.65 in 10.0 mi Calm Calm - N/A   Partly Cloudy
8:35 AM 19.4 °F 12.8 °F 15.8 °F 86% 29.66 in 10.0 mi North 4.6 mph - N/A   Scattered Clouds
8:55 AM 17.6 °F 9.3 °F 15.8 °F 93% 29.67 in 10.0 mi North 5.8 mph - N/A   Scattered Clouds
9:15 AM 21.2 °F 14.9 °F 19.4 °F 93% 29.68 in 9.0 mi North 4.6 mph - N/A   Overcast
9:35 AM 23.0 °F 14.7 °F 21.2 °F 93% 29.69 in 5.0 mi NNE 6.9 mph - N/A   Overcast
9:55 AM 21.2 °F 14.9 °F 19.4 °F 93% 29.70 in 7.0 mi North 4.6 mph - N/A   Overcast
10:35 AM 21.2 °F 10.9 °F 17.6 °F 86% 29.71 in 10.0 mi NNE 9.2 mph - N/A   Overcast
10:55 AM 21.2 °F 10.9 °F 19.4 °F 93% 29.70 in 10.0 mi NNE 9.2 mph - N/A   Overcast
11:15 AM 21.2 °F 11.7 °F 19.4 °F 93% 29.70 in 7.0 mi NNE 8.1 mph - N/A   Overcast
11:35 AM 23.0 °F 13.1 °F 21.2 °F 93% 29.70 in 8.0 mi NNE 9.2 mph - N/A   Overcast
11:55 AM 23.0 °F 13.1 °F 21.2 °F 93% 29.71 in 6.0 mi NNE 9.2 mph - N/A   Overcast
12:15 PM 24.8 °F 16.1 °F 21.2 °F 86% 29.71 in 4.0 mi NNE 8.1 mph - N/A   Overcast
12:35 PM 24.8 °F 16.1 °F 23.0 °F 93% 29.71 in 4.0 mi NNE 8.1 mph - N/A   Overcast
1:15 PM 24.8 °F 16.9 °F 23.0 °F 93% 29.71 in 5.0 mi NNE 6.9 mph - N/A   Overcast
1:55 PM 24.8 °F 16.1 °F 24.8 °F 100% 29.71 in 6.0 mi North 8.1 mph - N/A   Overcast
2:15 PM 26.6 °F 16.8 °F 24.8 °F 93% 29.71 in 7.0 mi North 10.4 mph - N/A   Overcast
2:35 PM 26.6 °F 18.2 °F 23.0 °F 86% 29.73 in 6.0 mi NNE 8.1 mph - N/A   Overcast
2:55 PM 26.6 °F 18.2 °F 24.8 °F 93% 29.73 in 8.0 mi NNE 8.1 mph - N/A   Overcast
3:35 PM 26.6 °F 18.2 °F 23.0 °F 86% 29.75 in 8.0 mi NNE 8.1 mph - N/A   Overcast
3:55 PM 24.8 °F 16.9 °F 23.0 °F 93% 29.76 in 10.0 mi North 6.9 mph - N/A   Overcast
4:15 PM 24.8 °F 16.9 °F 23.0 °F 93% 29.77 in - North 6.9 mph - N/A   Overcast
4:35 PM 26.6 °F 18.2 °F 23.0 °F 86% 29.77 in 5.0 mi North 8.1 mph - N/A   Overcast
5:15 PM 24.8 °F 16.9 °F 21.2 °F 86% 29.79 in 5.0 mi North 6.9 mph - N/A   Mostly Cloudy
5:55 PM 23.0 °F 12.4 °F 21.2 °F 93% 29.80 in 5.0 mi North 10.4 mph - N/A   Overcast
6:15 PM 23.0 °F 12.4 °F 19.4 °F 86% 29.81 in 5.0 mi North 10.4 mph - N/A   Overcast
6:35 PM 23.0 °F 12.4 °F 19.4 °F 86% 29.82 in 6.0 mi North 10.4 mph - N/A   Overcast
7:15 PM 21.2 °F 10.1 °F 19.4 °F 93% 29.83 in 6.0 mi North 10.4 mph - N/A   Overcast
7:35 PM 21.2 °F 9.5 °F 17.6 °F 86% 29.84 in 7.0 mi NNE 11.5 mph - N/A   Overcast
7:55 PM 21.2 °F 9.5 °F 17.6 °F 86% 29.85 in 7.0 mi NNE 11.5 mph - N/A   Overcast
8:35 PM 19.4 °F 8.6 °F 17.6 °F 93% 29.87 in 9.0 mi NNE 9.2 mph - N/A   Overcast
8:55 PM 19.4 °F 8.6 °F 15.8 °F 86% 29.88 in 10.0 mi North 9.2 mph - N/A   Overcast
9:15 PM 19.4 °F 9.5 °F 15.8 °F 86% 29.88 in 10.0 mi North 8.1 mph - N/A   Overcast
9:35 PM 19.4 °F 8.6 °F 15.8 °F 86% 29.89 in 10.0 mi North 9.2 mph - N/A   Overcast
9:55 PM 19.4 °F 8.6 °F 15.8 °F 86% 29.90 in 10.0 mi NNE 9.2 mph - N/A   Overcast
10:15 PM 19.4 °F 10.4 °F 15.8 °F 86% 29.91 in 10.0 mi NNE 6.9 mph - N/A   Overcast
10:35 PM 19.4 °F 10.4 °F 15.8 °F 86% 29.91 in 10.0 mi North 6.9 mph - N/A   Overcast
10:55 PM 17.6 °F 6.4 °F 14.0 °F 86% 29.92 in 10.0 mi North 9.2 mph - N/A   Overcast
11:15 PM 17.6 °F 6.4 °F 15.8 °F 93% 29.92 in 10.0 mi NNE 9.2 mph - N/A   Overcast
11:35 PM 19.4 °F 10.4 °F 15.8 °F 86% 29.92 in 10.0 mi NNE 6.9 mph - N/A   Overcast
11:55 PM 17.6 °F 7.3 °F 14.0 °F 86% 29.93 in 10.0 mi NNE 8.1 mph - N/A   Overcast