Weather History for Riverside, CA

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Monday, August 20, 2012

  Actual Average Record
Temperature  
Mean Temperature 85 °F 79 °F  
Max Temperature 98 °F 94 °F 107 °F (1940)
Min Temperature 72 °F 64 °F 46 °F (1916)
Degree Days  
Heating Degree Days 0 0  
Month to date heating degree days 0 0  
Since 1 June heating degree days 0 2  
Since 1 July heating degree days 0 0  
Cooling Degree Days 20 14  
Month to date cooling degree days 413 295  
Year to date cooling degree days 1314 1107  
Since 1 June cooling degree days 1043 930  
Growing Degree Days 34 (Base 50)    
Moisture  
Dew Point 58 °F    
Average Humidity 44    
Maximum Humidity 61    
Minimum Humidity 27    
Precipitation  
Precipitation 0.00 in 0.00 in 0.09 in (2014)
Month to date precipitation T 0.08  
Year to date precipitation 2.85 9.34  
Since 1 July precipitation T 0.15  
Snow  
Snow 0.00 in - - ()
Month to date snowfall 0.0  
Year to date snowfall 0.0  
Since 1 July snowfall 0.0  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.83 in    
Wind  
Wind Speed 4 mph (West)    
Max Wind Speed 16 mph    
Max Gust Speed 24 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Aug. 20, 2012 Rise Set
Actual Time 6:15 AM PDT 7:30 PM PDT
Civil Twilight 5:49 AM PDT 7:56 PM PDT
Nautical Twilight 5:18 AM PDT 8:27 PM PDT
Astronomical Twilight 4:45 AM PDT 8:59 PM PDT
Moon 9:29 AM PDT 9:10 PM PDT
Length of Visible Light 14h 06m
Length of Day
13h 14m
Waxing Crescent, 12% of the Moon is Illuminated
Aug 20
Waxing Crescent
Aug 24
First Quarter
Aug 31
Full
Sep 8
Last Quarter
Sep 15
New

Hourly Weather History & Observations

Time (PDT) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 77.0 °F - 55.0 °F 47% 29.83 in 10.0 mi Calm Calm - N/A   Clear
1:53 AM 73.9 °F - 55.9 °F 53% 29.83 in 10.0 mi West 3.5 mph - N/A   Clear
2:53 AM 73.9 °F - 55.9 °F 53% 29.83 in 10.0 mi Calm Calm - N/A   Clear
3:53 AM 73.9 °F - 57.0 °F 55% 29.84 in 10.0 mi Calm Calm - N/A   Clear
4:53 AM 73.0 °F - 57.0 °F 57% 29.84 in 10.0 mi Calm Calm - N/A   Clear
5:53 AM 73.0 °F - 57.9 °F 59% 29.85 in 10.0 mi Calm Calm - N/A   Clear
6:53 AM 72.0 °F - 57.9 °F 61% 29.86 in 10.0 mi Calm Calm - N/A   Clear
7:53 AM 75.0 °F - 57.9 °F 55% 29.87 in 10.0 mi Calm Calm - N/A   Clear
8:53 AM 79.0 °F - 57.9 °F 48% 29.87 in 10.0 mi Calm Calm - N/A   Clear
9:53 AM 82.9 °F 82.1 °F 55.9 °F 39% 29.86 in 10.0 mi Variable 3.5 mph - N/A   Clear
10:53 AM 88.0 °F 86.7 °F 57.0 °F 35% 29.86 in 10.0 mi Calm Calm - N/A   Partly Cloudy
11:53 AM 91.0 °F 88.9 °F 55.0 °F 29% 29.83 in 10.0 mi Variable 3.5 mph - N/A   Partly Cloudy
12:53 PM 93.9 °F 92.0 °F 55.0 °F 27% 29.82 in 10.0 mi West 4.6 mph - N/A   Clear
1:53 PM 97.0 °F 96.1 °F 57.9 °F 27% 29.79 in 10.0 mi WSW 9.2 mph - N/A   Partly Cloudy
2:53 PM 96.1 °F 95.6 °F 59.0 °F 29% 29.77 in 10.0 mi West 15.0 mph - N/A   Partly Cloudy
3:53 PM 93.9 °F 92.6 °F 57.0 °F 29% 29.76 in 10.0 mi West 10.4 mph 20.7 mph N/A   Partly Cloudy
4:53 PM 91.9 °F 91.5 °F 60.1 °F 34% 29.77 in 10.0 mi West 13.8 mph 19.6 mph N/A   Partly Cloudy
5:53 PM 89.1 °F 88.8 °F 60.1 °F 38% 29.77 in 10.0 mi West 10.4 mph 20.7 mph N/A   Partly Cloudy
6:53 PM 84.9 °F 85.4 °F 62.1 °F 46% 29.77 in 10.0 mi West 11.5 mph 17.3 mph N/A   Partly Cloudy
7:53 PM 81.0 °F 81.7 °F 61.0 °F 50% 29.81 in 10.0 mi Variable 3.5 mph - N/A   Clear
8:53 PM 79.0 °F - 57.9 °F 48% 29.84 in 10.0 mi Variable 4.6 mph - N/A   Clear
9:53 PM 78.1 °F - 57.9 °F 50% 29.86 in 10.0 mi Variable 3.5 mph - N/A   Clear
10:53 PM 75.9 °F - 57.0 °F 52% 29.86 in 10.0 mi Calm Calm - N/A   Clear
11:53 PM 75.0 °F - 59.0 °F 57% 29.86 in 10.0 mi West 3.5 mph - N/A   Clear