680
CDUS46 KMTR 190039
CLISFD
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
539 PM PDT SUN MAY 18 2025
...............................
..THE SAN FRANCISCO DWTN CA CLIMATE SUMMARY FOR MAY 18 2025
VALID TODAY AS OF 0500 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1850 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 66 12:43 PM 88 1892 64 2 62
MINIMUM 50 4:43 AM 46 1896 52 -2 53
AVERAGE 58 58 0 58
PRECIPITATION (IN)
TODAY 0.00 1.26 1957 0.02 -0.02 0.00
MONTH TO DATE 0.15 0.46 -0.31 0.94
SINCE OCT 1 19.75 22.28 -2.53 25.62
SINCE JAN 1 9.55 13.98 -4.43 18.94
DEGREE DAYS
HEATING
TODAY 7 7 0 7
MONTH TO DATE 134 143 -9 130
SINCE MAR 1 717 705 12 692
SINCE JUL 1 2317 2523 -206 2112
COOLING
TODAY 0 0 0 0
MONTH TO DATE 4 0 4 4
SINCE MAR 1 6 7 -1 6
SINCE JAN 1 6 7 -1 6
...............................................................
THE SAN FRANCISCO DWTN CA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 64 90 1892
MINIMUM TEMPERATURE (F) 52 45 1876
SUNRISE AND SUNSET
MAY 18 2025...........SUNRISE 5:57 AM PDT SUNSET 8:16 PM PDT
MAY 19 2025...........SUNRISE 5:56 AM PDT SUNSET 8:16 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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