744
CDUS46 KMTR 210827
CLISFO
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
127 AM PDT FRI JUL 21 2023
...............................
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR JULY 20 2023
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1927 TO 2023
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 73 2:35 PM 93 1996 73 0 67
MINIMUM 55 5:18 AM 49 1949 56 -1 54
1953
1981
AVERAGE 64 64 0 61
PRECIPITATION (IN)
YESTERDAY 0.00 0.03 1985 0.00 0.00 0.00
MONTH TO DATE T 0.00 0.00 0.00
SINCE OCT 1 31.39 19.53 11.86 18.17
SINCE JAN 1 20.14 12.56 7.58 1.89
SNOWFALL (IN)
YESTERDAY MM 0.0
MONTH TO DATE MM
SINCE JUN 1 MM
SINCE JUL 1 MM
DEGREE DAYS
HEATING
YESTERDAY 1 2 -1 4
MONTH TO DATE 33 40 -7 36
SINCE JUN 1 111 137 -26 95
SINCE JUL 1 33 40 -7 36
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 18 20 -2 17
SINCE JUN 1 19 43 -24 62
SINCE JAN 1 24 63 -39 82
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 12 RESULTANT WIND DIRECTION NW (310)
HIGHEST WIND SPEED 31 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 12.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 12:00 AM
LOWEST 55 1:00 PM
AVERAGE 71
......................................................
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 83 2006
MINIMUM TEMPERATURE (F) 56 49 1949
1950
1954
SUNRISE AND SUNSET
JULY 21 2023..........SUNRISE 6:04 AM PDT SUNSET 8:27 PM PDT
JULY 22 2023..........SUNRISE 6:05 AM PDT SUNSET 8:26 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page