258
CDUS46 KMTR 190835
CLISFD
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1235 AM PST TUE DEC 19 2023
...............................
..THE SAN FRANCISCO DWTN CA CLIMATE SUMMARY FOR DECEMBER 18 2023
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1850 TO 2023
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 62 6:43 PM 68 1910 58 4 53
MINIMUM 50 7:43 AM 36 1924 47 3 43
AVERAGE 56 52 4 48
PRECIPITATION (IN)
YESTERDAY 1.40 2.83 1871 0.16 1.24 0.00
MONTH TO DATE 1.86 2.72 -0.86 2.75
SINCE OCT 1 3.89 6.26 -2.37 4.11
SINCE JAN 1 24.80 20.85 3.95 7.00
DEGREE DAYS
HEATING
YESTERDAY 9 13 -4 17
MONTH TO DATE 174 217 -43 259
SINCE DEC 1 174 217 -43 259
SINCE JUL 1 683 945 -262 990
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 103 121 -18 110
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THE SAN FRANCISCO DWTN CA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 57 73 1999
MINIMUM TEMPERATURE (F) 47 36 1908
SUNRISE AND SUNSET
DECEMBER 19 2023......SUNRISE 7:20 AM PST SUNSET 4:53 PM PST
DECEMBER 20 2023......SUNRISE 7:21 AM PST SUNSET 4:54 PM PST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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