208
CDUS46 KMTR 170828
CLISFD
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
128 AM PDT SUN AUG 17 2025
...............................
..THE SAN FRANCISCO DWTN CA CLIMATE SUMMARY FOR AUGUST 16 2025
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)
YESTERDAY
MAXIMUM 68 1:43 PM 90 2015 68 0 70
MINIMUM 59 11:43 PM 49 1894 56 3 55
AVERAGE 64 62 2 63
PRECIPITATION (IN)
YESTERDAY 0.02R 0.01 1941 0.00 0.02 0.00
2020
MONTH TO DATE 0.03 0.03 0.00 0.00
SINCE OCT 1 19.88 22.76 -2.88 25.72
SINCE JAN 1 9.68 14.46 -4.78 19.04
DEGREE DAYS
HEATING
YESTERDAY 1 4 -3 2
MONTH TO DATE 55 64 -9 72
SINCE JUN 1 431 385 46 322
SINCE JUL 1 218 216 2 167
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 1 0 1 0
SINCE JUN 1 1 19 -18 13
SINCE JAN 1 7 34 -27 19
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THE SAN FRANCISCO DWTN CA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 68 92 1892
MINIMUM TEMPERATURE (F) 56 49 1894
SUNRISE AND SUNSET
AUGUST 17 2025........SUNRISE 6:27 AM PDT SUNSET 7:59 PM PDT
AUGUST 18 2025........SUNRISE 6:28 AM PDT SUNSET 7:58 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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