Climatological Report (Monthly) Issued by NWS
000
CXUS56 KMTR 010845
CLMSFO
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
145 AM PDT MON MAY 01 2023
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...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR THE MONTH OF APRIL 2023...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1927 TO 2023
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
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TEMPERATURE (F)
RECORD
HIGH 92 04/08/1989
04/29/1981
LOW 36 04/27/1955
HIGHEST 83 04/27 89 04/07
LOWEST 42 04/04 45 04/13
04/18
AVG. MAXIMUM 63.9 65.6 -1.7 65.6
AVG. MINIMUM 48.7 49.4
MEAN 56.3 57.3 -1.0 57.5
DAYS MAX >= 90 0 0
DAYS MAX <= 32 0 0
DAYS MIN <= 32 0 0
DAYS MIN <= 0 0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 6.36 1958
MINIMUM 0.00 1977
TOTALS 0.10 1.36 -1.26 0.97
DAILY AVG. 0.00 0.05 -0.05 0.03
DAYS >= .01 2 6
DAYS >= .10 0 4
DAYS >= .50 0 0
DAYS >= 1.00 0 0
GREATEST
24 HR. TOTAL 0.07 04/07 TO 04/07 0.40 04/16 TO 04/16
DEGREE DAYS
HEATING TOTAL 256 234 22 226
SINCE 7/1 2355 2209 146 MM
COOLING TOTAL 2 5 -3 9
SINCE 1/1 2 6 -4 MM
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WIND (MPH)
AVERAGE WIND SPEED 13.7
RESULTANT WIND SPEED/DIRECTION 12/290
HIGHEST WIND SPEED/DIRECTION 40/300 DATE 04/03
HIGHEST GUST SPEED/DIRECTION 57/290 DATE 04/03
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.45
NUMBER OF DAYS FAIR 12
NUMBER OF DAYS PC 14
NUMBER OF DAYS CLOUDY 4
AVERAGE RH (PERCENT) 67
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 0 RAIN 0
LIGHT RAIN 3 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 11 FOG W/VIS <= 1/4 MILE 0
HAZE 28
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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