Weather History for Sidney-Richland, MT

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Friday, December 16, 2011

  Actual Average Record
Temperature  
Mean Temperature 22 °F -  
Max Temperature 28 °F 29 °F 58 °F (1962)
Min Temperature 17 °F 8 °F -30 °F (1951)
Degree Days  
Heating Degree Days 42    
Moisture  
Dew Point 19 °F    
Average Humidity 86    
Maximum Humidity 100    
Minimum Humidity 74    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.24 in    
Wind  
Wind Speed 3 mph (SW)    
Max Wind Speed 10 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. 16, 2011 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 11:07 PM MST (12/16) 11:02 AM MST (12/16)
Length of Visible Light 9h 38m
Length of Day
8h 26m
Waning Gibbous, 64% of the Moon is Illuminated
Dec 16
Waning Gibbous
Dec 17
Last Quarter
Dec 24
New
Dec 31
First Quarter
Jan 9
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 24.8 °F - 19.4 °F 80% 30.19 in 10.0 mi Calm Calm - N/A   Overcast
12:35 AM 23.0 °F - 21.2 °F 93% 30.20 in 10.0 mi Calm Calm - N/A   Overcast
12:55 AM 23.0 °F 18.4 °F 19.4 °F 86% 30.21 in 10.0 mi NNW 3.5 mph - N/A   Overcast
1:15 AM 23.0 °F 15.8 °F 19.4 °F 86% 30.21 in 10.0 mi North 5.8 mph - N/A   Overcast
1:35 AM 23.0 °F 15.8 °F 19.4 °F 86% 30.22 in 10.0 mi NNW 5.8 mph - N/A   Overcast
2:15 AM 23.0 °F 13.9 °F 19.4 °F 86% 30.24 in 10.0 mi North 8.1 mph - N/A   Overcast
2:35 AM 23.0 °F 13.9 °F 19.4 °F 86% 30.25 in 10.0 mi North 8.1 mph - N/A   Overcast
3:15 AM 21.2 °F 12.6 °F 19.4 °F 93% 30.24 in 10.0 mi North 6.9 mph - N/A   Overcast
3:35 AM 21.2 °F 11.7 °F 19.4 °F 93% 30.25 in 10.0 mi North 8.1 mph - N/A   Overcast
3:55 AM 23.0 °F 15.8 °F 19.4 °F 86% 30.25 in 10.0 mi North 5.8 mph - N/A   Overcast
4:15 AM 23.0 °F 18.4 °F 19.4 °F 86% 30.25 in 10.0 mi NNW 3.5 mph - N/A   Overcast
4:35 AM 23.0 °F - 19.4 °F 86% 30.25 in 10.0 mi Calm Calm - N/A   Overcast
4:55 AM 23.0 °F - 19.4 °F 86% 30.25 in 10.0 mi Calm Calm - N/A   Overcast
5:15 AM 23.0 °F - 19.4 °F 86% 30.26 in 10.0 mi Calm Calm - N/A   Overcast
5:35 AM 23.0 °F - 19.4 °F 86% 30.27 in 10.0 mi Calm Calm - N/A   Overcast
5:55 AM 23.0 °F - 19.4 °F 86% 30.27 in 10.0 mi Calm Calm - N/A   Overcast
6:55 AM 19.4 °F - 17.6 °F 93% 30.28 in 10.0 mi Calm Calm - N/A   Scattered Clouds
7:15 AM 19.4 °F - 19.4 °F 100% 30.28 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
7:35 AM 19.4 °F 14.3 °F 15.8 °F 86% 30.29 in 10.0 mi West 3.5 mph - N/A   Overcast
8:15 AM 17.6 °F - 15.8 °F 93% 30.29 in 10.0 mi Calm Calm - N/A   Partly Cloudy
8:35 AM 19.4 °F - 17.6 °F 93% 30.30 in 10.0 mi Calm Calm - N/A   Clear
8:55 AM 21.2 °F - 19.4 °F 93% 30.31 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
9:15 AM 21.2 °F - 19.4 °F 93% 30.31 in 10.0 mi Calm Calm - N/A   Overcast
9:35 AM 23.0 °F - 19.4 °F 86% 30.32 in 10.0 mi Calm Calm - N/A   Overcast
9:55 AM 23.0 °F - 17.6 °F 80% 30.32 in 10.0 mi Calm Calm - N/A   Overcast
10:15 AM 24.8 °F - 19.4 °F 80% 30.32 in 10.0 mi Calm Calm - N/A   Overcast
10:35 AM 23.0 °F - 17.6 °F 80% 30.32 in 10.0 mi Calm Calm - N/A   Overcast
10:55 AM 24.8 °F - 19.4 °F 80% 30.31 in 10.0 mi Calm Calm - N/A   Overcast
11:15 AM 24.8 °F - 19.4 °F 80% 30.30 in 10.0 mi Calm Calm - N/A   Overcast
11:35 AM 24.8 °F 19.1 °F 19.4 °F 80% 30.29 in 10.0 mi SSW 4.6 mph - N/A   Overcast
11:55 AM 24.8 °F 19.1 °F 21.2 °F 86% 30.28 in 10.0 mi South 4.6 mph - N/A   Overcast
12:15 PM 26.6 °F 21.2 °F 21.2 °F 80% 30.28 in 10.0 mi South 4.6 mph - N/A   Overcast
12:35 PM 26.6 °F 22.6 °F 21.2 °F 80% 30.27 in 10.0 mi SSW 3.5 mph - N/A   Overcast
1:15 PM 26.6 °F 19.1 °F 21.2 °F 80% 30.25 in 10.0 mi South 6.9 mph - N/A   Overcast
1:35 PM 26.6 °F 21.2 °F 21.2 °F 80% 30.24 in 10.0 mi SSW 4.6 mph - N/A   Overcast
1:55 PM 28.4 °F 20.4 °F 21.2 °F 74% 30.24 in 10.0 mi SW 8.1 mph - N/A   Overcast
2:35 PM 28.4 °F 19.7 °F 23.0 °F 80% 30.23 in 10.0 mi SW 9.2 mph - N/A   Overcast
2:55 PM 28.4 °F 19.1 °F 23.0 °F 80% 30.23 in 10.0 mi SW 10.4 mph - N/A   Overcast
3:15 PM 28.4 °F 23.3 °F 23.0 °F 80% 30.23 in 10.0 mi SSW 4.6 mph - N/A   Mostly Cloudy
3:35 PM 28.4 °F 23.3 °F 23.0 °F 80% 30.22 in 10.0 mi SW 4.6 mph - N/A   Overcast
3:55 PM 26.6 °F 20.0 °F 21.2 °F 80% 30.23 in 10.0 mi South 5.8 mph - N/A   Scattered Clouds
4:15 PM 24.8 °F 20.5 °F 21.2 °F 86% 30.22 in 10.0 mi South 3.5 mph - N/A   Clear
4:35 PM 21.2 °F - 17.6 °F 86% 30.22 in 10.0 mi Calm Calm - N/A   Clear
5:15 PM 23.0 °F 18.4 °F 19.4 °F 86% 30.21 in 10.0 mi SW 3.5 mph - N/A   Clear
5:35 PM 21.2 °F 13.6 °F 19.4 °F 93% 30.20 in 10.0 mi SSW 5.8 mph - N/A   Clear
5:55 PM 21.2 °F 10.9 °F 19.4 °F 93% 30.19 in 10.0 mi SSW 9.2 mph - N/A   Clear
6:15 PM 21.2 °F 10.9 °F 19.4 °F 93% 30.19 in 10.0 mi SSW 9.2 mph - N/A   Clear
6:35 PM 19.4 °F 11.5 °F 17.6 °F 93% 30.19 in 10.0 mi SSW 5.8 mph - N/A   Clear
6:55 PM 19.4 °F - 17.6 °F 93% 30.19 in 10.0 mi Calm Calm - N/A   Clear
7:15 PM 19.4 °F 11.5 °F 15.8 °F 86% 30.19 in 10.0 mi South 5.8 mph - N/A   Clear
7:35 PM 19.4 °F - 15.8 °F 86% 30.19 in 10.0 mi Calm Calm - N/A   Clear
8:15 PM 21.2 °F 11.7 °F 17.6 °F 86% 30.18 in 10.0 mi South 8.1 mph - N/A   Clear
8:35 PM 21.2 °F 11.7 °F 19.4 °F 93% 30.18 in 10.0 mi South 8.1 mph - N/A   Clear
8:55 PM 21.2 °F 11.7 °F 17.6 °F 86% 30.18 in 10.0 mi SSW 8.1 mph - N/A   Clear
9:15 PM 21.2 °F 11.7 °F 19.4 °F 93% 30.18 in 10.0 mi South 8.1 mph - N/A   Clear
9:35 PM 21.2 °F 12.6 °F 17.6 °F 86% 30.17 in 10.0 mi SSW 6.9 mph - N/A   Clear
9:56 PM 19.4 °F 9.5 °F 15.8 °F 86% 30.17 in 10.0 mi SSW 8.1 mph - N/A   Clear
10:15 PM 21.2 °F 13.6 °F 19.4 °F 93% 30.17 in 10.0 mi South 5.8 mph - N/A   Clear
10:35 PM 23.0 °F 17.0 °F 19.4 °F 86% 30.17 in 10.0 mi SW 4.6 mph - N/A   Clear
10:55 PM 21.2 °F 12.6 °F 17.6 °F 86% 30.17 in 10.0 mi SSE 6.9 mph - N/A   Clear
11:15 PM 21.2 °F 14.9 °F 17.6 °F 86% 30.17 in 10.0 mi SSE 4.6 mph - N/A   Clear
11:35 PM 21.2 °F 16.4 °F 17.6 °F 86% 30.17 in 10.0 mi SSE 3.5 mph - N/A   Clear
11:55 PM 21.2 °F 13.6 °F 17.6 °F 86% 30.16 in 10.0 mi SSW 5.8 mph - N/A   Clear