Climatological Report (Monthly)
Issued by NWS
Issued by NWS
338
CXUS56 KMTR 010828
CLMSFO
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1228 AM PST THU FEB 01 2024
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...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR THE MONTH OF JANUARY 2024...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1927 TO 2024
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
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TEMPERATURE (F)
RECORD
HIGH 74 01/31/2015
LOW 26 01/05/1949
HIGHEST 66 01/28 69 01/12
01/29
01/25
LOWEST 39 01/07 36 01/31
AVG. MAXIMUM 59.5 58.0 1.5 59.8
AVG. MINIMUM 48.7 47.9
MEAN 54.1 51.3 2.8 53.8
DAYS MAX >= 90 0 0
DAYS MAX <= 32 0 0
DAYS MIN <= 32 0 0
DAYS MIN <= 0 0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 11.26 1993
MINIMUM 0.00 2015
TOTALS 5.04 3.89 1.15 9.31
DAILY AVG. 0.16 0.13 0.03 0.30
DAYS >= .01 14 14
DAYS >= .10 12 13
DAYS >= .50 5 9
DAYS >= 1.00 1 2
GREATEST
24 HR. TOTAL 1.14 01/31 TO 01/31 3.61 12/31 TO 12/31
DEGREE DAYS
HEATING TOTAL 329 426 -97 337
SINCE 7/1 825 1355 -530 MM
COOLING TOTAL 0 0 0 0
SINCE 1/1 0 0 0 MM
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WIND (MPH)
AVERAGE WIND SPEED 7.0
RESULTANT WIND SPEED/DIRECTION 2/240
HIGHEST WIND SPEED/DIRECTION 32/270 DATE 01/02
HIGHEST GUST SPEED/DIRECTION 46/280 DATE 01/10
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.64
NUMBER OF DAYS FAIR 3
NUMBER OF DAYS PC 19
NUMBER OF DAYS CLOUDY 9
AVERAGE RH (PERCENT) 77
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 3 RAIN 11
LIGHT RAIN 15 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 25 FOG W/VIS <= 1/4 MILE 0
HAZE 19
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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