Climatological Report (Monthly) Issued by NWS
000
CXUS56 KMTR 010829
CLMSFO
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
129 AM PDT THU JUN 01 2023
...................................
...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR THE MONTH OF MAY 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
................................................................
TEMPERATURE (F)
RECORD
HIGH 97 05/27/1984
LOW 39 05/03/1950
HIGHEST 82 05/13 87 05/24
LOWEST 50 05/02 47 05/11
05/07
AVG. MAXIMUM 65.5 68.3 -2.8 68.6
AVG. MINIMUM 53.4 51.4
MEAN 59.4 59.9 -0.5 60.0
DAYS MAX >= 90 0 0
DAYS MAX <= 32 0 0
DAYS MIN <= 32 0 0
DAYS MIN <= 0 0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 3.81 1957
MINIMUM 0.00 2008
TOTALS 0.72 0.48 0.24 T
DAILY AVG. 0.02 0.02 0.00 T
DAYS >= .01 5 0
DAYS >= .10 2 0
DAYS >= .50 0 0
DAYS >= 1.00 0 0
GREATEST
24 HR. TOTAL 0.49 05/02 TO 05/03 T 05/08 TO 05/08
DEGREE DAYS
HEATING TOTAL 166 170 -4 156
SINCE 7/1 2521 2377 144 MM
COOLING TOTAL 3 14 -11 9
SINCE 1/1 5 20 -15 MM
................................................................
WIND (MPH)
AVERAGE WIND SPEED 11.7
RESULTANT WIND SPEED/DIRECTION 9/270
HIGHEST WIND SPEED/DIRECTION 31/260 DATE 05/01
31/290 05/16
HIGHEST GUST SPEED/DIRECTION 42/250 DATE 05/01
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.64
NUMBER OF DAYS FAIR 2
NUMBER OF DAYS PC 20
NUMBER OF DAYS CLOUDY 9
AVERAGE RH (PERCENT) 72
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 0 RAIN 1
LIGHT RAIN 4 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 9 FOG W/VIS <= 1/4 MILE 0
HAZE 12
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$