Weather History for KWMC - December, 1998

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Thursday, December 31, 1998

  Actual Average Record
Temperature  
Mean Temperature 36 °F 29 °F  
Max Temperature 45 °F 40 °F 55 °F (1996)
Min Temperature 25 °F 17 °F -15 °F (1974)
Degree Days  
Heating Degree Days 29 36  
Month to date heating degree days 1099  
Since 1 July heating degree days 2673  
Cooling Degree Days 0 0  
Month to date cooling degree days 0  
Year to date cooling degree days 541  
Moisture  
Dew Point 28 °F    
Average Humidity 73    
Maximum Humidity 92    
Minimum Humidity 49    
Precipitation  
Precipitation 0.00 in 0.03 in 0.72 in (2005)
Month to date precipitation 0.93  
Year to date precipitation 8.28  
Snow  
Snow 0.00 in 0.20 in 2.70 in (1941)
Month to date snowfall 5.3  
Since 1 July snowfall 8.8  
Snow Depth -    
Sea Level Pressure  
Sea Level Pressure 30.05 in    
Wind  
Wind Speed 6 mph (West)    
Max Wind Speed 18 mph    
Max Gust Speed 20 mph    
Visibility 10 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Dec. 31, 1998 Rise Set
Actual Time 7:15 AM PST 4:33 PM PST
Civil Twilight 6:44 AM PST 5:04 PM PST
Nautical Twilight 6:10 AM PST 5:38 PM PST
Astronomical Twilight 5:36 AM PST 6:11 PM PST
Moon 3:39 PM PST (12/31) 5:29 AM PST (12/31)
Length of Visible Light 10h 19m
Length of Day
9h 17m
Waxing Gibbous, 98% of the Moon is Illuminated
Dec 31
Waxing Gibbous
Jan 1
Full
Jan 9
Last Quarter
Jan 17
New
Jan 24
First Quarter

Hourly Weather History & Observations

Time (PST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:56 AM 30.9 °F - 28.9 °F 92% 29.95 in 10.0 mi Calm Calm - N/A   Overcast
1:56 AM 30.9 °F - 28.0 °F 89% 29.96 in 10.0 mi Calm Calm - N/A   Overcast
2:56 AM 33.1 °F 30.0 °F 28.0 °F 82% 29.96 in 10.0 mi ENE 3.5 mph - N/A   Overcast
3:56 AM 35.1 °F 32.2 °F 28.0 °F 76% 29.94 in 10.0 mi Variable 3.5 mph - N/A   Overcast
4:56 AM 34.0 °F 29.8 °F 28.0 °F 79% 29.91 in 10.0 mi North 4.6 mph - N/A   Overcast
5:56 AM 34.0 °F 26.6 °F 28.0 °F 79% 29.94 in 10.0 mi NW 9.2 mph - N/A   Overcast
6:56 AM 39.0 °F 35.7 °F 30.0 °F 70% 29.95 in 10.0 mi Variable 4.6 mph - 0.00 in   Mostly Cloudy
7:56 AM 37.9 °F 32.7 °F 28.0 °F 68% 29.96 in 10.0 mi SW 6.9 mph - N/A   Mostly Cloudy
8:56 AM 41.0 °F 34.7 °F 33.1 °F 73% 29.99 in 10.0 mi WSW 10.4 mph 19.6 mph 0.00 in Rain Light Rain
9:56 AM 41.0 °F 35.2 °F 33.1 °F 73% 30.01 in 10.0 mi West 9.2 mph - 0.00 in   Mostly Cloudy
10:56 AM 45.0 °F 37.9 °F 30.9 °F 58% 30.00 in 10.0 mi West 16.1 mph - N/A   Scattered Clouds
12:56 PM 44.1 °F 36.5 °F 32.0 °F 63% 30.01 in 10.0 mi West 17.3 mph - N/A   Mostly Cloudy
1:56 PM 44.1 °F 36.2 °F 28.0 °F 53% 30.03 in 10.0 mi WNW 18.4 mph - N/A   Mostly Cloudy
2:56 PM 45.0 °F 38.9 °F 27.0 °F 49% 30.03 in 10.0 mi WNW 12.7 mph - N/A   Overcast
3:56 PM 42.1 °F 36.1 °F 27.0 °F 55% 30.05 in 10.0 mi NW 10.4 mph - N/A   Mostly Cloudy
4:56 PM 37.9 °F 32.7 °F 27.0 °F 65% 30.10 in 10.0 mi NW 6.9 mph - N/A   Clear
5:56 PM 33.1 °F 28.7 °F 26.1 °F 75% 30.14 in 10.0 mi North 4.6 mph - N/A   Scattered Clouds
6:56 PM 34.0 °F 29.8 °F 27.0 °F 75% 30.16 in 10.0 mi South 4.6 mph - N/A   Mostly Cloudy
7:56 PM 34.0 °F 31.0 °F 25.0 °F 70% 30.17 in 10.0 mi WSW 3.5 mph - N/A   Partly Cloudy
8:56 PM 28.9 °F 21.9 °F 24.1 °F 82% 30.21 in 10.0 mi West 6.9 mph - N/A   Clear
9:56 PM 28.9 °F 19.8 °F 24.1 °F 82% 30.24 in 10.0 mi West 10.4 mph - N/A   Clear
10:56 PM 27.0 °F 19.5 °F 23.0 °F 85% 30.26 in 10.0 mi West 6.9 mph - N/A   Clear
11:56 PM 25.0 °F 20.7 °F 21.9 °F 88% 30.27 in 10.0 mi Variable 3.5 mph - N/A   Partly Cloudy