Weather History for Santa Rosa, CA

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Sunday, March 31, 2013

  Actual Average Record
Temperature  
Mean Temperature 13 °C 12 °C  
Max Temperature 16 °C 19 °C 28 °C (2011)
Min Temperature 9 °C 6 °C -1 °C (1999)
Degree Days  
Heating Degree Days 10    
Month to date heating degree days 349  
Since 1 July heating degree days 2426  
Cooling Degree Days 0    
Month to date cooling degree days 0  
Year to date cooling degree days 0  
Growing Degree Days 5 (Base 50)    
Moisture  
Dew Point 11 °C    
Average Humidity 89    
Maximum Humidity 100    
Minimum Humidity 78    
Precipitation  
Precipitation 24.38 mm 3.56 mm 2.44 mm (2013)
Month to date precipitation 2.55 4.98  
Year to date precipitation 3.74 18.43  
Since 1 July precipitation 26.15 32.62  
Sea Level Pressure  
Sea Level Pressure 1016 hPa    
Wind  
Wind Speed 3 km/h (SSW)    
Max Wind Speed 21 km/h    
Max Gust Speed 26 km/h    
Visibility 10 kilometers    
Events Fog , Rain , Thunderstorm    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Mar. 31, 2013 Rise Set
Actual Time 6:57 AM PDT 7:33 PM PDT
Civil Twilight 6:30 AM PDT 8:00 PM PDT
Nautical Twilight 5:59 AM PDT 8:32 PM PDT
Astronomical Twilight 5:26 AM PDT 9:04 PM PDT
Moon No Moon Rise 9:53 AM PDT (3/31)
Length of Visible Light 13h 30m
Length of Day
12h 36m
Waning Gibbous, 76% of the Moon is Illuminated
Mar 31
Waning Gibbous
Apr 2
Last Quarter
Apr 10
New
Apr 18
First Quarter
Apr 25
Full

Hourly Weather History & Observations

Time (PDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:12 AM 13.0 °C 12.0 °C 94% 1016.5 hPa 11.3 km Calm Calm - 0.0 mm Rain Light Rain
12:53 AM 12.8 °C 11.7 °C 93% 1015.6 hPa 9.7 km NNE 9.3 km/h / 2.6 m/s - 0.0 mm Rain Light Rain
1:53 AM 12.8 °C 11.1 °C 89% 1015.4 hPa 14.5 km Calm Calm - 0.3 mm   Overcast
2:19 AM 12.0 °C 12.0 °C 100% 1015.8 hPa 12.9 km NW 5.6 km/h / 1.5 m/s - 0.0 mm Rain Light Rain
2:50 AM 13.0 °C 12.0 °C 94% 1016.1 hPa 6.4 km Calm Calm - 0.0 mm Rain Light Rain
2:53 AM 12.8 °C 11.7 °C 93% 1015.6 hPa 4.8 km Calm Calm - 0.0 mm Rain Light Rain
3:02 AM 13.0 °C 12.0 °C 94% 1016.1 hPa 2.8 km Calm Calm - 0.8 mm Rain Rain
3:11 AM 13.0 °C 12.0 °C 94% 1016.1 hPa 4.8 km Calm Calm - 1.0 mm Rain Light Rain
3:18 AM 13.0 °C 12.0 °C 94% 1016.1 hPa 8.0 km SSW 7.4 km/h / 2.1 m/s - 1.0 mm Rain Light Rain
3:25 AM 13.0 °C 12.0 °C 94% 1016.1 hPa 11.3 km SSW 9.3 km/h / 2.6 m/s - 1.0 mm   Overcast
3:34 AM 13.0 °C 12.0 °C 94% 1016.5 hPa 9.7 km SSW 7.4 km/h / 2.1 m/s - 1.0 mm Rain Light Rain
3:53 AM 12.2 °C 11.1 °C 93% 1016.1 hPa 16.1 km South 9.3 km/h / 2.6 m/s - 1.3 mm   Overcast
4:01 AM 12.0 °C 11.0 °C 94% 1016.8 hPa 16.1 km South 11.1 km/h / 3.1 m/s - N/A   Overcast
4:19 AM 12.0 °C 11.0 °C 94% 1016.8 hPa 16.1 km South 7.4 km/h / 2.1 m/s - N/A   Overcast
4:53 AM 12.2 °C 11.1 °C 93% 1016.2 hPa 16.1 km Calm Calm - N/A   Overcast
5:36 AM 12.0 °C 11.0 °C 94% 1016.8 hPa 16.1 km Calm Calm - N/A   Mostly Cloudy
5:53 AM 12.2 °C 11.1 °C 93% 1016.2 hPa 16.1 km Calm Calm - N/A   Overcast
6:05 AM 12.0 °C 11.0 °C 94% 1016.8 hPa 16.1 km South 5.6 km/h / 1.5 m/s - N/A   Overcast
6:53 AM 12.2 °C 10.6 °C 90% 1016.6 hPa 16.1 km Calm Calm - N/A   Overcast
7:53 AM 12.8 °C 10.6 °C 86% 1017.1 hPa 16.1 km Calm Calm - N/A   Overcast
8:13 AM 13.0 °C 11.0 °C 88% 1017.5 hPa 16.1 km Calm Calm - 0.0 mm Rain Light Rain
8:53 AM 12.8 °C 11.1 °C 89% 1017.2 hPa 4.8 km Calm Calm - 0.3 mm Rain Light Rain
9:53 AM 14.4 °C 12.2 °C 87% 1017.2 hPa 11.3 km East 9.3 km/h / 2.6 m/s - 0.0 mm   Overcast
10:53 AM 15.6 °C 11.7 °C 78% 1017.5 hPa 16.1 km ESE 9.3 km/h / 2.6 m/s - N/A   Mostly Cloudy
11:53 AM 15.6 °C 11.7 °C 78% 1017.3 hPa 16.1 km Calm Calm - 0.0 mm   Overcast
12:53 PM 13.9 °C 11.1 °C 83% 1017.0 hPa 4.0 km SW 5.6 km/h / 1.5 m/s - 3.0 mm Rain Rain
1:53 PM 14.4 °C 12.2 °C 87% 1016.6 hPa 4.0 km NW 9.3 km/h / 2.6 m/s - 1.0 mm Rain Light Rain
2:00 PM 14.0 °C 12.0 °C 88% 1017.2 hPa 16.1 km WNW 11.1 km/h / 3.1 m/s - 0.0 mm Rain Light Rain
2:03 PM 14.0 °C 12.0 °C 88% 1017.2 hPa 4.0 km WNW 16.7 km/h / 4.6 m/s - 0.0 mm Rain , Thunderstorm Thunderstorms and Rain
2:53 PM 12.2 °C 10.0 °C 86% 1016.3 hPa 4.0 km WSW 9.3 km/h / 2.6 m/s - 5.8 mm Rain , Thunderstorm Thunderstorms and Rain
3:00 PM 13.0 °C 10.0 °C 82% 1017.2 hPa 4.8 km SW 20.4 km/h / 5.7 m/s - 2.8 mm Rain , Thunderstorm Thunderstorms and Rain
3:07 PM 12.0 °C 10.0 °C 88% 1017.2 hPa 3.2 km SSW 9.3 km/h / 2.6 m/s - 6.1 mm Rain , Thunderstorm Thunderstorms and Rain
3:53 PM 12.8 °C 11.1 °C 89% 1016.3 hPa 4.8 km Calm Calm - 8.1 mm Rain Rain
3:57 PM 13.0 °C 11.0 °C 88% 1016.8 hPa 4.0 km Calm Calm - 0.8 mm Rain Rain
4:08 PM 13.0 °C 11.0 °C 88% 1016.5 hPa 4.8 km Calm Calm - 1.5 mm Rain Rain
5:35 PM 14.0 °C 11.0 °C 82% 1016.5 hPa 16.1 km SW 7.4 km/h / 2.1 m/s - 0.0 mm Rain Rain
5:53 PM 13.9 °C 11.1 °C 83% 1015.9 hPa 12.9 km Calm Calm - 0.0 mm Rain Rain
6:00 PM 14.0 °C 11.0 °C 82% 1016.5 hPa 16.1 km WSW 5.6 km/h / 1.5 m/s - 0.0 mm Rain Rain
6:53 PM 13.9 °C 11.1 °C 83% 1015.9 hPa 16.1 km Calm Calm - 0.0 mm Rain Rain
7:02 PM 14.0 °C 11.0 °C 82% 1016.5 hPa 16.1 km Calm Calm - 0.0 mm Rain Rain
7:53 PM 13.3 °C 11.7 °C 90% 1016.0 hPa 16.1 km Calm Calm - 0.0 mm Rain Rain
8:19 PM 13.0 °C 12.0 °C 94% 1016.8 hPa 8.0 km SE 5.6 km/h / 1.5 m/s - 0.8 mm Rain Rain
8:37 PM 13.0 °C 12.0 °C 94% 1016.5 hPa 9.7 km NE 9.3 km/h / 2.6 m/s - 1.8 mm Rain Rain
8:53 PM 12.8 °C 11.7 °C 93% 1016.0 hPa 16.1 km Calm Calm - 1.8 mm Rain Rain
9:31 PM 12.0 °C 12.0 °C 100% 1016.8 hPa 12.9 km South 5.6 km/h / 1.5 m/s - 0.0 mm Rain Rain
9:53 PM 12.2 °C 11.1 °C 93% 1016.4 hPa 14.5 km SSE 5.6 km/h / 1.5 m/s - 0.0 mm Rain Rain
10:03 PM 12.0 °C 11.0 °C 94% 1017.2 hPa 14.5 km SSE 5.6 km/h / 1.5 m/s - 0.0 mm Rain Rain
10:53 PM 11.1 °C 10.6 °C 97% 1016.8 hPa 11.3 km Calm Calm - 0.0 mm Rain Rain
11:08 PM 11.0 °C 11.0 °C 100% 1017.5 hPa 6.4 km Calm Calm - 0.0 mm Rain Rain
11:16 PM 11.0 °C 10.0 °C 94% 1017.2 hPa 2.4 km Calm Calm - 0.0 mm Rain Rain
11:28 PM 11.0 °C 10.0 °C 94% 1017.2 hPa 1.2 km Calm Calm - 0.0 mm Rain Rain
11:41 PM 10.0 °C 9.0 °C 94% 1017.5 hPa 0.4 km Calm Calm - 0.0 mm Fog , Rain Rain
11:53 PM 9.4 °C 8.9 °C 97% 1016.8 hPa 0.4 km Calm Calm - 0.0 mm Fog , Rain Rain