History for San Francisco, CA

Friday, February 1, 2013 — View Current Conditions

Friday, February 1, 2013

	Actual	Average	Record
Temperature
Mean Temperature	54 °F	52 °F
Max Temperature	64 °F	58 °F	70 °F (1976)
Min Temperature	44 °F	45 °F	30 °F (1950)
Degree Days
Heating Degree Days	11	13
Month to date heating degree days	11	13
Since 1 July heating degree days	1506	1480
Cooling Degree Days	0	0
Month to date cooling degree days	0	0
Year to date cooling degree days	0	0
Growing Degree Days	4 (Base 50)
Moisture
Dew Point	44 °F
Average Humidity	71
Maximum Humidity	93
Minimum Humidity	48
Precipitation
Precipitation	0.00 in	0.15 in	1.06 in (1960)
Month to date precipitation	0.00	0.15
Year to date precipitation	0.20	4.34
Since 1 July precipitation	11.20	11.91
Sea Level Pressure
Sea Level Pressure	30.19 in
Wind
Wind Speed	3 mph (South)
Max Wind Speed	13 mph
Max Gust Speed	15 mph
Visibility	9 miles
Events

T = Trace of Precipitation, MM = Missing Value

Source: NWS Daily Summary

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	California Towhee
	Where's my peanut? Mr Grey being Mr Grey.
	Sonoma Coast
	Mommy?
	Mr. Thinks He's a Grey Squirrell squirrell.
	Peak-a-boo
	Titmouse

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Astronomy

May. 22, 2013	Rise	Set
Actual Time	7:12 AM PST	5:33 PM PST
Civil Twilight	6:45 AM PST	6:01 PM PST
Nautical Twilight	6:14 AM PST	6:32 PM PST
Astronomical Twilight	5:43 AM PST	7:03 PM PST
Moon	11:38 PM PST (2/1)	9:57 AM PST (2/1)
Length Of Visible Light	11h 16m
Length of Day	10h 20m

Waning Gibbous, 69% of the Moon is Illuminated
Feb 1 Waning Gibbous	Feb 3 Last Quarter	Feb 9 New	Feb 17 First Quarter	Feb 25 Full

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Hourly Observations

Time (PST)	Temp.	Windchill	Dew Point	Humidity	Pressure	Visibility	Wind Dir	Wind Speed	Gust Speed	Precip	Conditions
12:56 AM	46.9 °F	-	43.0 °F	86%	30.20 in	9.0 mi	Calm	Calm	-	N/A	Clear
1:56 AM	46.0 °F	-	41.0 °F	83%	30.20 in	9.0 mi	Calm	Calm	-	N/A	Clear
2:56 AM	45.0 °F	42.6 °F	41.0 °F	86%	30.20 in	9.0 mi	South	4.6 mph	-	N/A	Clear
3:56 AM	46.4 °F	-	42.8 °F	87%	30.19 in	7.0 mi	Calm	Calm	-	N/A	Clear
4:56 AM	44.1 °F	-	41.0 °F	89%	30.19 in	7.0 mi	Calm	Calm	-	N/A	Clear
5:56 AM	45.0 °F	-	42.1 °F	90%	30.19 in	7.0 mi	Calm	Calm	-	N/A	Clear
6:56 AM	45.0 °F	41.2 °F	41.0 °F	86%	30.20 in	9.0 mi	SSE	6.9 mph	-	N/A	Clear
7:56 AM	46.0 °F	43.9 °F	42.1 °F	86%	30.21 in	9.0 mi	SE	4.6 mph	-	N/A	Clear
8:56 AM	50.0 °F	-	45.0 °F	83%	30.21 in	9.0 mi	East	4.6 mph	-	N/A	Clear
9:56 AM	54.0 °F	-	44.1 °F	69%	30.21 in	9.0 mi	ESE	5.8 mph	-	N/A	Clear
10:56 AM	55.0 °F	-	48.0 °F	77%	30.21 in	9.0 mi	East	6.9 mph	-	N/A	Clear
11:56 AM	55.0 °F	-	46.0 °F	72%	30.18 in	9.0 mi	East	6.9 mph	-	N/A	Clear
12:56 PM	57.0 °F	-	45.0 °F	64%	30.15 in	9.0 mi	Calm	Calm	-	N/A	Clear
1:56 PM	59.0 °F	-	45.0 °F	60%	30.13 in	9.0 mi	Calm	Calm	-	N/A	Partly Cloudy
2:56 PM	62.1 °F	-	46.0 °F	56%	30.13 in	9.0 mi	Calm	Calm	-	N/A	Partly Cloudy
3:56 PM	62.1 °F	-	45.0 °F	53%	30.12 in	10.0 mi	Calm	Calm	-	N/A	Mostly Cloudy
4:56 PM	62.1 °F	-	43.0 °F	50%	30.14 in	10.0 mi	Calm	Calm	-	N/A	Mostly Cloudy
5:56 PM	60.1 °F	-	44.1 °F	55%	30.15 in	10.0 mi	WNW	3.5 mph	-	N/A	Mostly Cloudy
6:56 PM	57.0 °F	-	43.0 °F	59%	30.18 in	10.0 mi	Calm	Calm	-	N/A	Mostly Cloudy
7:56 PM	55.0 °F	-	46.0 °F	72%	30.19 in	10.0 mi	Calm	Calm	-	N/A	Scattered Clouds
8:56 PM	54.0 °F	-	45.0 °F	72%	30.20 in	10.0 mi	Calm	Calm	-	N/A	Mostly Cloudy
9:56 PM	51.1 °F	-	44.1 °F	77%	30.20 in	10.0 mi	West	5.8 mph	-	N/A	Mostly Cloudy
10:48 PM	48.2 °F	-	44.6 °F	87%	30.22 in	6.0 mi	WNW	6.9 mph	-	N/A	Scattered Clouds
10:56 PM	48.9 °F	-	46.0 °F	90%	30.22 in	5.0 mi	West	10.4 mph	-	N/A	Scattered Clouds
11:56 PM	48.9 °F	-	46.0 °F	90%	30.23 in	4.0 mi	West	9.2 mph	-	N/A	Partly Cloudy
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