415
CDUS46 KMTR 190827
CLISFD
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
127 AM PDT TUE MAY 19 2026
...............................
..THE SAN FRANCISCO DWTN CA CLIMATE SUMMARY FOR MAY 18 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 79 2:43 PM 88 1892 64 15 66
MINIMUM 55 11:43 PM 46 1896 52 3 50
AVERAGE 67 58 9 58
PRECIPITATION (IN)
YESTERDAY 0.00 1.26 1957 0.02 -0.02 0.00
MONTH TO DATE 0.14 0.46 -0.32 0.15
SINCE OCT 1 20.02 22.28 -2.26 19.75
SINCE JAN 1 11.09 13.98 -2.89 9.55
DEGREE DAYS
HEATING
YESTERDAY 0 7 -7 7
MONTH TO DATE 124 143 -19 134
SINCE MAR 1 435 705 -270 717
SINCE JUL 1 1920 2523 -603 2317
COOLING
YESTERDAY 2 0 2 0
MONTH TO DATE 2 0 2 4
SINCE MAR 1 45 7 38 6
SINCE JAN 1 48 7 41 6
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THE SAN FRANCISCO DWTN CA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 64 90 1892
MINIMUM TEMPERATURE (F) 52 45 1876
SUNRISE AND SUNSET
MAY 19 2026...........SUNRISE 5:57 AM PDT SUNSET 8:16 PM PDT
MAY 20 2026...........SUNRISE 5:56 AM PDT SUNSET 8:17 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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