Weather History for Riverside, CA

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Sunday, September 30, 2012

  Actual Average Record
Temperature  
Mean Temperature 85 °F 73 °F  
Max Temperature 104 °F 86 °F 108 °F (1980)
Min Temperature 65 °F 59 °F 42 °F (1948)
Degree Days  
Heating Degree Days 0 0  
Month to date heating degree days 0 0  
Since 1 July heating degree days 0 2  
Cooling Degree Days 20 8  
Month to date cooling degree days 496 334  
Year to date cooling degree days 1988 1592  
Growing Degree Days 34 (Base 50)    
Moisture  
Dew Point 47 °F    
Average Humidity 37    
Maximum Humidity 63    
Minimum Humidity 10    
Precipitation  
Precipitation 0.00 in 0.01 in 1.72 in (1921)
Month to date precipitation T 0.25  
Year to date precipitation 2.86 9.59  
Since 1 July precipitation 0.01 0.40  
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 29.90 in    
Wind  
Wind Speed 4 mph (West)    
Max Wind Speed 17 mph    
Max Gust Speed 23 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Sep. 30, 2012 Rise Set
Actual Time 6:43 AM PDT 6:34 PM PDT
Civil Twilight 6:19 AM PDT 6:59 PM PDT
Nautical Twilight 5:50 AM PDT 7:28 PM PDT
Astronomical Twilight 5:20 AM PDT 7:57 PM PDT
Moon 6:46 PM PDT (9/30) 7:15 AM PDT (9/30)
Length of Visible Light 12h 40m
Length of Day
11h 50m
Full, 100% of the Moon is Illuminated
Sep 30
Full
Oct 8
Last Quarter
Oct 15
New
Oct 21
First Quarter
Oct 29
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 72.0 °F - 46.9 °F 41% 29.92 in 10.0 mi Calm Calm - N/A   Clear
1:53 AM 70.0 °F - 48.0 °F 46% 29.92 in 10.0 mi SE 3.5 mph - N/A   Clear
2:53 AM 68.0 °F - 50.0 °F 52% 29.91 in 10.0 mi Calm Calm - N/A   Clear
3:53 AM 68.0 °F - 50.0 °F 52% 29.91 in 10.0 mi NE 5.8 mph - N/A   Clear
4:53 AM 64.9 °F - 51.1 °F 61% 29.92 in 10.0 mi Calm Calm - N/A   Clear
5:53 AM 64.9 °F - 51.1 °F 61% 29.93 in 10.0 mi Calm Calm - N/A   Clear
6:53 AM 64.9 °F - 51.1 °F 61% 29.94 in 10.0 mi ENE 3.5 mph - N/A   Clear
7:53 AM 71.1 °F - 48.9 °F 45% 29.94 in 10.0 mi NE 4.6 mph - N/A   Clear
8:53 AM 75.9 °F - 48.9 °F 38% 29.95 in 10.0 mi Calm Calm - N/A   Clear
9:53 AM 82.9 °F - 52.0 °F 34% 29.95 in 10.0 mi Calm Calm - N/A   Clear
10:53 AM 91.0 °F - 46.9 °F 22% 29.94 in 10.0 mi Calm Calm - N/A   Clear
11:53 AM 93.9 °F - 43.0 °F 17% 29.92 in 10.0 mi SW 3.5 mph - N/A   Clear
12:53 PM 100.0 °F - 36.0 °F 11% 29.89 in 10.0 mi WNW 4.6 mph - N/A   Clear
1:53 PM 100.9 °F - 33.1 °F 9% 29.86 in 10.0 mi Variable 3.5 mph - N/A   Clear
2:53 PM 104.0 °F - 37.0 °F 10% 29.85 in 10.0 mi WSW 13.8 mph 18.4 mph N/A   Clear
3:53 PM 100.9 °F - 35.1 °F 10% 29.83 in 10.0 mi West 11.5 mph 23.0 mph N/A   Clear
4:53 PM 98.1 °F - 48.0 °F 18% 29.83 in 10.0 mi West 12.7 mph 20.7 mph N/A   Clear
5:53 PM 93.9 °F 91.4 °F 53.1 °F 25% 29.84 in 10.0 mi WSW 12.7 mph - N/A   Clear
6:53 PM 89.1 °F - 52.0 °F 28% 29.85 in 10.0 mi WSW 11.5 mph - N/A   Clear
9:53 PM 79.0 °F - 53.1 °F 40% 29.90 in 10.0 mi Calm Calm - N/A   Clear
10:53 PM 78.1 °F - 54.0 °F 43% 29.90 in 10.0 mi ENE 3.5 mph - N/A   Clear
11:53 PM 75.0 °F - 54.0 °F 48% 29.89 in 10.0 mi Calm Calm - N/A   Clear