351
CDUS46 KMTR 180839
CLISFO
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
139 AM PDT TUE JUL 18 2023
...............................
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR JULY 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 75 2:24 PM 91 1961 73 2 68
MINIMUM 60 11:59 PM 47 1954 55 5 56
AVERAGE 68 64 4 62
PRECIPITATION (IN)
YESTERDAY 0.00 T 1981 0.00 0.00 0.00
1994
2011
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 0 2 -2 3
MONTH TO DATE 30 34 -4 27
SINCE JUN 1 108 131 -23 86
SINCE JUL 1 30 34 -4 27
COOLING
YESTERDAY 3 1 2 0
MONTH TO DATE 18 17 1 17
SINCE JUN 1 19 40 -21 62
SINCE JAN 1 24 60 -36 82
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 10 RESULTANT WIND DIRECTION NW (310)
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 11.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 78 12:00 AM
LOWEST 51 2:00 PM
AVERAGE 65
......................................................
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 88 1968
MINIMUM TEMPERATURE (F) 56 50 1949
1960
1999
SUNRISE AND SUNSET
JULY 18 2023..........SUNRISE 6:02 AM PDT SUNSET 8:29 PM PDT
JULY 19 2023..........SUNRISE 6:03 AM PDT SUNSET 8:28 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