Weather History for Riverside, CA

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Sunday, May 10, 2009

  Actual Average Record
Temperature  
Mean Temperature 70 °F 67 °F  
Max Temperature 83 °F 80 °F 103 °F (1940)
Min Temperature 56 °F 55 °F 35 °F (1922)
Degree Days  
Heating Degree Days 0 1  
Month to date heating degree days 0 14  
Since 1 July heating degree days 1238 1434  
Cooling Degree Days 5 3  
Month to date cooling degree days 52 30  
Year to date cooling degree days 142 93  
Growing Degree Days 20 (Base 50)    
Moisture  
Dew Point 55 °F    
Average Humidity 65    
Maximum Humidity 93    
Minimum Humidity 37    
Precipitation  
Precipitation 0.00 in 0.02 in 0.17 in (1977)
Month to date precipitation T 0.22  
Year to date precipitation 3.03 9.01  
Since 1 July precipitation 6.63 12.22  
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 29.86 in    
Wind  
Wind Speed 5 mph (West)    
Max Wind Speed 15 mph    
Max Gust Speed 21 mph    
Visibility 6 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

May. 10, 2009 Rise Set
Actual Time 5:52 AM PDT 7:40 PM PDT
Civil Twilight 5:24 AM PDT 8:08 PM PDT
Nautical Twilight 4:51 AM PDT 8:41 PM PDT
Astronomical Twilight 4:16 AM PDT 9:16 PM PDT
Moon 9:38 PM PDT (5/10) 6:33 AM PDT (5/10)
Length of Visible Light 14h 43m
Length of Day
13h 48m
Full, 97% of the Moon is Illuminated
May 10
Full
May 17
Last Quarter
May 24
New
May 30
First Quarter
Jun 7
Full

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 59.0 °F - 54.0 °F 83% 29.86 in 8.0 mi Calm Calm - N/A   Clear
1:53 AM 57.9 °F - 55.0 °F 90% 29.86 in 7.0 mi Calm Calm - N/A   Clear
2:53 AM 57.0 °F - 54.0 °F 89% 29.86 in 6.0 mi West 3.5 mph - N/A   Clear
3:27 AM 57.2 °F - 53.6 °F 88% 29.89 in 5.0 mi Calm Calm - N/A   Mostly Cloudy
3:42 AM 57.2 °F - 55.4 °F 94% 29.90 in 5.0 mi West 3.5 mph - N/A   Overcast
3:53 AM 57.0 °F - 55.0 °F 93% 29.86 in 4.0 mi West 6.9 mph - N/A   Overcast
4:26 AM 57.2 °F - 55.4 °F 94% 29.90 in 3.0 mi Calm Calm - N/A   Overcast
4:53 AM 57.0 °F - 55.9 °F 96% 29.86 in 3.0 mi Calm Calm - N/A   Overcast
5:31 AM 57.2 °F - 55.4 °F 94% 29.90 in 2.5 mi Calm Calm - N/A   Overcast
5:38 AM 57.2 °F - 55.4 °F 94% 29.90 in 3.0 mi Calm Calm - N/A   Overcast
5:53 AM 57.0 °F - 55.0 °F 93% 29.87 in 3.0 mi Calm Calm - N/A   Overcast
6:14 AM 57.2 °F - 55.4 °F 94% 29.90 in 2.0 mi Calm Calm - N/A   Overcast
6:53 AM 57.9 °F - 55.0 °F 90% 29.87 in 2.5 mi Calm Calm - N/A   Overcast
7:53 AM 57.9 °F - 55.0 °F 90% 29.88 in 2.0 mi Calm Calm - N/A   Overcast
8:53 AM 62.1 °F - 55.9 °F 80% 29.88 in 3.0 mi Variable 3.5 mph - N/A   Haze
9:53 AM 64.9 °F - 55.9 °F 73% 29.89 in 4.0 mi WNW 5.8 mph - N/A   Haze
10:53 AM 66.0 °F - 55.9 °F 70% 29.89 in 4.0 mi WNW 3.5 mph - N/A   Haze
11:53 AM 72.0 °F - 55.9 °F 57% 29.87 in 5.0 mi Variable 6.9 mph - N/A   Haze
12:53 PM 77.0 °F - 55.0 °F 47% 29.85 in 8.0 mi Variable 3.5 mph - N/A   Clear
1:53 PM 82.0 °F 81.4 °F 55.0 °F 39% 29.83 in 9.0 mi Variable 6.9 mph - N/A   Clear
2:53 PM 82.0 °F 81.2 °F 53.1 °F 37% 29.81 in 10.0 mi West 11.5 mph 17.3 mph N/A   Clear
3:53 PM 81.0 °F 80.5 °F 54.0 °F 39% 29.81 in 10.0 mi West 11.5 mph 19.6 mph N/A   Clear
4:53 PM 80.1 °F 79.9 °F 53.1 °F 39% 29.80 in 10.0 mi West 12.7 mph - N/A   Clear
5:53 PM 78.1 °F - 55.0 °F 45% 29.80 in 10.0 mi West 12.7 mph 18.4 mph N/A   Clear
6:53 PM 73.9 °F - 54.0 °F 50% 29.81 in 10.0 mi West 10.4 mph - N/A   Clear
7:53 PM 71.1 °F - 54.0 °F 55% 29.82 in 10.0 mi West 8.1 mph - N/A   Clear
8:53 PM 69.1 °F - 54.0 °F 58% 29.84 in 10.0 mi SW 4.6 mph - N/A   Clear
9:53 PM 66.9 °F - 54.0 °F 63% 29.85 in 10.0 mi Calm Calm - N/A   Clear
10:53 PM 64.9 °F - 54.0 °F 68% 29.85 in 10.0 mi Calm Calm - N/A   Clear
11:53 PM 64.0 °F - 54.0 °F 70% 29.85 in 10.0 mi Calm Calm - N/A   Clear