Weather History for Sidney-Richland, MT

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Wednesday, May 13, 2009

  Actual Average Record
Temperature  
Mean Temperature 44 °F -  
Max Temperature 53 °F 70 °F 96 °F (2001)
Min Temperature 35 °F 39 °F 25 °F (1953)
Degree Days  
Heating Degree Days 21    
Moisture  
Dew Point 30 °F    
Average Humidity 62    
Maximum Humidity 81    
Minimum Humidity 41    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.68 in    
Wind  
Wind Speed 23 mph (NW)    
Max Wind Speed 31 mph    
Max Gust Speed 39 mph    
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

May. 13, 2009 Rise Set
Actual Time 5:21 AM MDT 8:25 PM MDT
Civil Twilight 4:44 AM MDT 9:02 PM MDT
Nautical Twilight 3:57 AM MDT 9:49 PM MDT
Astronomical Twilight 2:59 AM MDT 10:48 PM MDT
Moon 12:14 AM MDT (5/13) 8:24 AM MDT (5/13)
Length of Visible Light 16h 17m
Length of Day
15h 04m
Waning Gibbous, 81% of the Moon is Illuminated
May 13
Waning Gibbous
May 17
Last Quarter
May 24
New
May 30
First Quarter
Jun 7
Full

Hourly Weather History & Observations

Time (MDT) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:15 AM 53.6 °F - 30.2 °F 41% 29.47 in 10.0 mi WNW 20.7 mph 26.5 mph N/A   Scattered Clouds
12:35 AM 53.6 °F - 30.2 °F 41% 29.47 in 10.0 mi WNW 20.7 mph 28.8 mph N/A   Clear
12:55 AM 51.8 °F - 30.2 °F 44% 29.48 in 10.0 mi WNW 21.9 mph 26.5 mph N/A   Clear
1:15 AM 51.8 °F - 30.2 °F 44% 29.48 in 10.0 mi WNW 20.7 mph 28.8 mph N/A   Clear
1:35 AM 51.8 °F - 32.0 °F 47% 29.49 in 10.0 mi WNW 23.0 mph 28.8 mph N/A   Clear
1:55 AM 48.2 °F - 30.2 °F 50% 29.50 in 10.0 mi WNW 23.0 mph 27.6 mph N/A   Clear
2:15 AM 48.2 °F - 32.0 °F 54% 29.50 in 10.0 mi WNW 20.7 mph 29.9 mph N/A   Clear
2:35 AM 48.2 °F - 30.2 °F 50% 29.50 in 10.0 mi WNW 19.6 mph 27.6 mph N/A   Clear
2:55 AM 48.2 °F - 30.2 °F 50% 29.51 in 10.0 mi WNW 20.7 mph 25.3 mph N/A   Clear
3:15 AM 48.2 °F - 28.4 °F 46% 29.51 in 10.0 mi WNW 20.7 mph 24.2 mph N/A   Clear
3:35 AM 48.2 °F - 26.6 °F 43% 29.52 in 10.0 mi WNW 18.4 mph 29.9 mph N/A   Clear
3:55 AM 48.2 °F - 26.6 °F 43% 29.52 in 10.0 mi WNW 23.0 mph 32.2 mph N/A   Clear
4:15 AM 48.2 °F - 26.6 °F 43% 29.52 in 10.0 mi WNW 18.4 mph 25.3 mph N/A   Clear
4:35 AM 48.2 °F - 26.6 °F 43% 29.52 in 10.0 mi WNW 25.3 mph 31.1 mph N/A   Clear
4:55 AM 48.2 °F - 26.6 °F 43% 29.51 in 10.0 mi WNW 24.2 mph 31.1 mph N/A   Clear
5:35 AM 46.4 °F 39.0 °F 30.2 °F 53% 29.53 in 10.0 mi WNW 19.6 mph 28.8 mph N/A   Clear
5:55 AM 44.6 °F 36.4 °F 30.2 °F 57% 29.54 in 10.0 mi WNW 20.7 mph 27.6 mph N/A   Clear
6:15 AM 42.8 °F 34.0 °F 32.0 °F 66% 29.55 in 10.0 mi WNW 20.7 mph 29.9 mph N/A   Clear
6:35 AM 42.8 °F 35.4 °F 33.8 °F 70% 29.57 in 10.0 mi NW 15.0 mph 24.2 mph N/A   Scattered Clouds
6:55 AM 44.6 °F 34.9 °F 30.2 °F 57% 29.58 in 10.0 mi WNW 28.8 mph 39.1 mph N/A   Overcast
7:15 AM 42.8 °F 32.7 °F 30.2 °F 61% 29.59 in 10.0 mi WNW 27.6 mph 38.0 mph N/A   Overcast
7:35 AM 42.8 °F 33.3 °F 28.4 °F 57% 29.60 in 10.0 mi WNW 24.2 mph 36.8 mph N/A   Mostly Cloudy
7:55 AM 42.8 °F 32.7 °F 30.2 °F 61% 29.60 in 10.0 mi WNW 27.6 mph 35.7 mph N/A   Scattered Clouds
8:15 AM 42.8 °F 33.1 °F 30.2 °F 61% 29.61 in 10.0 mi WNW 25.3 mph 33.4 mph N/A   Mostly Cloudy
8:35 AM 42.8 °F 33.3 °F 28.4 °F 57% 29.62 in 10.0 mi WNW 24.2 mph 32.2 mph N/A   Mostly Cloudy
8:55 AM 42.8 °F 33.1 °F 28.4 °F 57% 29.64 in 10.0 mi WNW 25.3 mph 32.2 mph N/A   Scattered Clouds
9:15 AM 42.8 °F 34.0 °F 28.4 °F 57% 29.64 in 10.0 mi WNW 20.7 mph 26.5 mph N/A   Mostly Cloudy
9:35 AM 42.8 °F 33.5 °F 28.4 °F 57% 29.65 in 10.0 mi WNW 23.0 mph 32.2 mph N/A   Overcast
9:55 AM 42.8 °F 32.9 °F 28.4 °F 57% 29.65 in 10.0 mi WNW 26.5 mph 33.4 mph N/A   Overcast
10:15 AM 42.8 °F 33.3 °F 28.4 °F 57% 29.66 in 10.0 mi WNW 24.2 mph 34.5 mph N/A   Overcast
10:35 AM 42.8 °F 33.8 °F 30.2 °F 61% 29.67 in 10.0 mi NW 21.9 mph 33.4 mph N/A   Overcast
10:55 AM 41.0 °F 30.9 °F 32.0 °F 70% 29.69 in 8.0 mi NW 24.2 mph 34.5 mph N/A   Overcast
11:15 AM 42.8 °F 32.5 °F 30.2 °F 61% 29.70 in 10.0 mi NW 28.8 mph 35.7 mph N/A   Overcast
11:35 AM 39.2 °F 29.0 °F 30.2 °F 70% 29.71 in 10.0 mi NW 21.9 mph 32.2 mph N/A   Overcast
11:55 AM 39.2 °F 28.5 °F 30.2 °F 70% 29.73 in 10.0 mi NW 24.2 mph 32.2 mph N/A   Mostly Cloudy
12:15 PM 35.6 °F 24.2 °F 30.2 °F 81% 29.75 in 6.0 mi NW 21.9 mph 34.5 mph N/A   Overcast
12:35 PM 35.6 °F 23.7 °F 30.2 °F 81% 29.76 in 8.0 mi NW 24.2 mph 33.4 mph N/A   Overcast
12:55 PM 37.4 °F 24.8 °F 32.0 °F 81% 29.76 in 10.0 mi NW 31.1 mph 36.8 mph N/A   Mostly Cloudy
1:15 PM 35.6 °F 23.2 °F 30.2 °F 81% 29.78 in 3.0 mi NW 26.5 mph 36.8 mph N/A   Overcast
1:35 PM 37.4 °F 25.0 °F 32.0 °F 81% 29.79 in 10.0 mi NW 29.9 mph 38.0 mph N/A   Mostly Cloudy
1:55 PM 37.4 °F 25.4 °F 30.2 °F 75% 29.82 in 10.0 mi NNW 27.6 mph 38.0 mph N/A   Mostly Cloudy
2:15 PM 35.6 °F 23.4 °F 30.2 °F 81% 29.84 in 5.0 mi NW 25.3 mph 33.4 mph N/A   Mostly Cloudy
2:35 PM 35.6 °F 22.5 °F 30.2 °F 81% 29.85 in 2.5 mi NW 29.9 mph 35.7 mph N/A   Overcast
2:55 PM 35.6 °F 23.0 °F 28.4 °F 75% 29.86 in 1.8 mi NW 27.6 mph 36.8 mph N/A   Overcast
3:15 PM 35.6 °F 22.5 °F 30.2 °F 81% 29.87 in 3.0 mi NW 29.9 mph 35.7 mph N/A   Overcast
3:35 PM 37.4 °F 26.4 °F 32.0 °F 81% 29.88 in 10.0 mi NW 23.0 mph 32.2 mph N/A   Overcast
3:55 PM 37.4 °F 25.9 °F 32.0 °F 81% 29.90 in 10.0 mi NW 25.3 mph 35.7 mph N/A   Overcast
4:15 PM 39.2 °F 28.0 °F 32.0 °F 75% 29.91 in 10.0 mi NW 26.5 mph 32.2 mph N/A   Overcast
4:35 PM 39.2 °F 27.8 °F 32.0 °F 75% 29.92 in 10.0 mi NW 27.6 mph 35.7 mph N/A   Overcast
4:55 PM 39.2 °F 28.5 °F 30.2 °F 70% 29.93 in 10.0 mi NW 24.2 mph 32.2 mph N/A   Overcast
5:15 PM 41.0 °F 31.4 °F 32.0 °F 70% 29.95 in 10.0 mi NW 21.9 mph 32.2 mph N/A   Overcast
5:35 PM 39.2 °F 28.7 °F 30.2 °F 70% 29.96 in 10.0 mi NW 23.0 mph 28.8 mph N/A   Overcast
5:55 PM 41.0 °F 31.4 °F 32.0 °F 70% 29.96 in 10.0 mi NW 21.9 mph 28.8 mph N/A   Overcast
6:15 PM 42.8 °F 34.0 °F 30.2 °F 61% 29.96 in 10.0 mi NW 20.7 mph 28.8 mph N/A   Overcast
6:35 PM 42.8 °F 33.5 °F 30.2 °F 61% 29.97 in 10.0 mi NW 23.0 mph 29.9 mph N/A   Overcast
6:55 PM 41.0 °F 32.2 °F 30.2 °F 65% 29.98 in 10.0 mi NW 18.4 mph 26.5 mph N/A   Overcast
7:15 PM 41.0 °F 31.1 °F 30.2 °F 65% 29.98 in 10.0 mi NW 23.0 mph - N/A   Overcast
7:35 PM 41.0 °F 32.5 °F 30.2 °F 65% 29.98 in 10.0 mi NW 17.3 mph 27.6 mph N/A   Overcast
7:55 PM 41.0 °F 32.8 °F 30.2 °F 65% 29.99 in 10.0 mi NW 16.1 mph 25.3 mph N/A   Overcast
8:15 PM 41.0 °F 34.3 °F 30.2 °F 65% 30.00 in 10.0 mi NW 11.5 mph 19.6 mph N/A   Overcast
8:35 PM 41.0 °F 34.3 °F 30.2 °F 65% 30.01 in 10.0 mi NW 11.5 mph - N/A   Overcast
8:55 PM 41.0 °F 33.9 °F 30.2 °F 65% 30.03 in 10.0 mi NNW 12.7 mph - N/A   Overcast
9:15 PM 39.2 °F 33.0 °F 30.2 °F 70% 30.03 in 10.0 mi NNW 9.2 mph - N/A   Overcast
9:35 PM 39.2 °F 33.6 °F 30.2 °F 70% 30.03 in 10.0 mi NW 8.1 mph - N/A   Overcast
9:55 PM 39.2 °F 34.2 °F 30.2 °F 70% 30.03 in 10.0 mi WNW 6.9 mph - N/A   Overcast
10:15 PM 39.2 °F 37.0 °F 30.2 °F 70% 30.04 in 10.0 mi West 3.5 mph - N/A   Overcast
10:35 PM 39.2 °F 34.2 °F 30.2 °F 70% 30.03 in 10.0 mi NW 6.9 mph - N/A   Overcast
10:55 PM 39.2 °F - 30.2 °F 70% 30.03 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
11:15 PM 33.8 °F 30.8 °F 26.6 °F 75% 30.02 in 10.0 mi WNW 3.5 mph - N/A   Partly Cloudy
11:35 PM 33.8 °F 29.6 °F 28.4 °F 81% 30.02 in 10.0 mi WNW 4.6 mph - N/A   Clear
11:55 PM 33.8 °F 27.0 °F 26.6 °F 75% 30.02 in 10.0 mi West 8.1 mph - N/A   Clear