277
CDUS46 KMTR 180828
CLISFO
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
128 AM PDT TUE APR 18 2023
...............................
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR APRIL 17 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 59 4:24 PM 83 2016 66 -7 59
MINIMUM 50 5:56 AM 40 1963 49 1 46
AVERAGE 55 57 -2 53
PRECIPITATION (IN)
YESTERDAY 0.04 0.80 1957 0.04 0.00 0.00
MONTH TO DATE 0.10 0.96 -0.86 0.54
SINCE OCT 1 30.66 18.51 12.15 17.69
SINCE JAN 1 19.41 11.54 7.87 1.41
SNOWFALL (IN)
YESTERDAY MM 0.0
MONTH TO DATE MM
SINCE MAR 1 MM
SINCE JUL 1 MM
DEGREE DAYS
HEATING
YESTERDAY 10 8 2 12
MONTH TO DATE 173 139 34 133
SINCE MAR 1 564 435 129 418
SINCE JUL 1 2272 2114 158 1884
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 9
SINCE MAR 1 0 1 -1 11
SINCE JAN 1 0 1 -1 11
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 15 RESULTANT WIND DIRECTION W (270)
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 15.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 89 3:00 AM
LOWEST 53 4:00 PM
AVERAGE 71
......................................................
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 66 83 1950
MINIMUM TEMPERATURE (F) 49 39 1967
1968
SUNRISE AND SUNSET
APRIL 18 2023.........SUNRISE 6:31 AM PDT SUNSET 7:48 PM PDT
APRIL 19 2023.........SUNRISE 6:29 AM PDT SUNSET 7:49 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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