San Francisco, CA

10:01 AM PDT on June 23, 2017 (GMT -0700)
San Francisco International

Weather History for KSFO - March, 2011

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Tuesday, March 1, 2011

  Actual Average Record
Temperature  
Mean Temperature 50 °F 54 °F  
Max Temperature 59 °F 61 °F 74 °F (1959)
Min Temperature 40 °F 47 °F 35 °F (1955)
Degree Days  
Heating Degree Days 15 11  
Month to date heating degree days 15 11  
Since 1 July heating degree days 1759 1817  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 39 °F    
Average Humidity 65    
Maximum Humidity 86    
Minimum Humidity 43    
Precipitation  
Precipitation 0.02 in 0.13 in 1.06 in (1974)
Month to date precipitation 0.02 0.13  
Year to date precipitation 5.75 8.38  
Since 1 July precipitation 15.01  
Sea Level Pressure  
Sea Level Pressure 30.09 in    
Wind  
Wind Speed 8 mph (SE)    
Max Wind Speed 21 mph    
Max Gust Speed 26 mph    
Visibility 10 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Daily Weather History Graph

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Date:

Astronomy

Mar. 01, 2011 Rise Set
Actual Time 6:41 AM PST 6:03 PM PST
Civil Twilight 6:14 AM PST 6:29 PM PST
Nautical Twilight 5:44 AM PST 6:59 PM PST
Astronomical Twilight 5:14 AM PST 7:30 PM PST
Moon 4:48 AM PST (3/1) 3:27 PM PST (3/1)
Length of Visible Light 12h 14m
Length of Day
11h 21m
Waning Crescent, 8% of the Moon is Illuminated
Mar 1
Waning Crescent
Mar 4
New
Mar 12
First Quarter
Mar 19
Full
Mar 26
Last 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 45.0 °F - 35.1 °F 68% 30.20 in 10.0 mi Calm Calm - N/A   Clear
1:56 AM 42.1 °F - 35.1 °F 76% 30.21 in 10.0 mi Calm Calm - N/A   Clear
2:56 AM 42.1 °F - 35.1 °F 76% 30.20 in 10.0 mi Calm Calm - N/A   Partly Cloudy
3:56 AM 41.0 °F - 36.0 °F 82% 30.19 in 10.0 mi Calm Calm - N/A   Partly Cloudy
4:56 AM 39.9 °F - 35.1 °F 83% 30.19 in 10.0 mi Calm Calm - N/A   Clear
5:56 AM 41.0 °F 38.0 °F 37.0 °F 86% 30.18 in 10.0 mi SE 4.6 mph - N/A   Scattered Clouds
6:56 AM 41.0 °F 39.0 °F 37.0 °F 86% 30.17 in 10.0 mi ESE 3.5 mph - N/A   Mostly Cloudy
7:56 AM 42.1 °F 37.7 °F 37.9 °F 85% 30.16 in 10.0 mi SE 6.9 mph - N/A   Mostly Cloudy
8:56 AM 46.0 °F 43.9 °F 37.0 °F 71% 30.16 in 10.0 mi SE 4.6 mph - N/A   Mostly Cloudy
9:56 AM 48.0 °F - 39.9 °F 74% 30.14 in 10.0 mi ENE 4.6 mph - N/A   Mostly Cloudy
10:56 AM 50.0 °F - 41.0 °F 71% 30.14 in 10.0 mi East 8.1 mph - N/A   Mostly Cloudy
11:56 AM 50.0 °F - 41.0 °F 71% 30.12 in 10.0 mi NE 5.8 mph - N/A   Mostly Cloudy
12:56 PM 53.1 °F - 42.1 °F 66% 30.08 in 10.0 mi ENE 8.1 mph - N/A   Mostly Cloudy
1:56 PM 54.0 °F - 42.1 °F 64% 30.04 in 10.0 mi NE 6.9 mph - N/A   Mostly Cloudy
2:56 PM 57.2 °F - 35.6 °F 44% 30.04 in 10.0 mi SSW 16.1 mph - N/A   Mostly Cloudy
3:56 PM 57.0 °F - 39.0 °F 51% 30.04 in 10.0 mi SSW 23.0 mph 26.5 mph N/A   Scattered Clouds
4:56 PM 55.9 °F - 39.9 °F 55% 30.02 in 10.0 mi SSW 18.4 mph - N/A   Scattered Clouds
5:56 PM 54.0 °F - 39.0 °F 57% 30.02 in 10.0 mi South 9.2 mph - N/A   Mostly Cloudy
6:56 PM 53.1 °F - 39.0 °F 59% 30.02 in 10.0 mi SSE 11.5 mph - N/A   Mostly Cloudy
7:56 PM 53.1 °F - 39.0 °F 59% 30.02 in 10.0 mi SE 11.5 mph - N/A   Overcast
8:56 PM 53.1 °F - 39.0 °F 59% 30.00 in 10.0 mi SE 16.1 mph - N/A   Overcast
9:56 PM 52.0 °F - 41.0 °F 66% 29.99 in 10.0 mi ESE 12.7 mph - 0.00 in Rain Light Rain
10:56 PM 52.0 °F - 42.1 °F 69% 29.96 in 10.0 mi ESE 16.1 mph - 0.01 in   Overcast
11:56 PM 51.8 °F - 42.8 °F 71% 29.96 in 9.0 mi SE 15.0 mph - N/A Rain Light Rain