218
CDUS46 KMTR 220831
CLISFD
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
131 AM PDT FRI MAY 22 2026
...............................
..THE SAN FRANCISCO DWTN CA CLIMATE SUMMARY FOR MAY 21 2026
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1850 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 64 2:43 PM 90 2000 64 0 67
MINIMUM 50 10:43 PM 45 1899 52 -2 51
AVERAGE 57 58 -1 59
PRECIPITATION (IN)
YESTERDAY 0.00 0.33 1896 0.02 -0.02 0.00
MONTH TO DATE 0.14 0.52 -0.38 0.15
SINCE OCT 1 20.02 22.34 -2.32 19.75
SINCE JAN 1 11.09 14.04 -2.95 9.55
DEGREE DAYS
HEATING
YESTERDAY 8 7 1 6
MONTH TO DATE 136 164 -28 150
SINCE MAR 1 447 726 -279 733
SINCE JUL 1 1932 2544 -612 2333
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 5 0 5 4
SINCE MAR 1 48 7 41 6
SINCE JAN 1 51 7 44 6
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THE SAN FRANCISCO DWTN CA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 64 85 1943
MINIMUM TEMPERATURE (F) 52 44 1909
SUNRISE AND SUNSET
MAY 22 2026...........SUNRISE 5:55 AM PDT SUNSET 8:19 PM PDT
MAY 23 2026...........SUNRISE 5:54 AM PDT SUNSET 8:20 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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