310
CDUS46 KMTR 010844
CLISFO
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
144 AM PDT MON MAY 01 2023
...............................
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR APRIL 30 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 61 2:48 PM 90 1996 67 -6 64
2014
MINIMUM 51 3:03 AM 41 1946 50 1 51
AVERAGE 56 58 -2 58
PRECIPITATION (IN)
YESTERDAY 0.00 0.71 1983 0.02 -0.02 0.00
MONTH TO DATE 0.10 1.36 -1.26 0.97
SINCE OCT 1 30.66 18.91 11.75 18.12
SINCE JAN 1 19.41 11.94 7.47 1.84
SNOWFALL (IN)
YESTERDAY MM 0.0
MONTH TO DATE MM
SINCE MAR 1 MM
SINCE JUL 1 MM
DEGREE DAYS
HEATING
YESTERDAY 9 7 2 7
MONTH TO DATE 256 234 22 226
SINCE MAR 1 647 530 117 511
SINCE JUL 1 2355 2209 146 1977
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 2 5 -3 9
SINCE MAR 1 2 6 -4 11
SINCE JAN 1 2 6 -4 11
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 23 RESULTANT WIND DIRECTION W (280)
HIGHEST WIND SPEED 39 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 50 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 24.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 89 4:00 AM
LOWEST 55 3:00 PM
AVERAGE 72
......................................................
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 67 89 1947
MINIMUM TEMPERATURE (F) 50 44 1983
1988
2008
SUNRISE AND SUNSET
MAY 1 2023...........SUNRISE 6:14 AM PDT SUNSET 8:00 PM PDT
MAY 2 2023...........SUNRISE 6:13 AM PDT SUNSET 8:01 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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