906
CDUS46 KMTR 200839
CLISFD
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
139 AM PDT TUE MAY 20 2025
...............................
..THE SAN FRANCISCO DWTN CA CLIMATE SUMMARY FOR MAY 19 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 9:43 AM 90 1892 64 4 62
MINIMUM 53 11:43 PM 45 1876 52 1 51
AVERAGE 61 58 3 57
PRECIPITATION (IN)
YESTERDAY 0.00 1.24 1925 0.02 -0.02 0.00
MONTH TO DATE 0.15 0.48 -0.33 0.94
SINCE OCT 1 19.75 22.30 -2.55 25.62
SINCE JAN 1 9.55 14.00 -4.45 18.94
DEGREE DAYS
HEATING
YESTERDAY 4 7 -3 8
MONTH TO DATE 138 150 -12 138
SINCE MAR 1 721 712 9 700
SINCE JUL 1 2321 2530 -209 2120
COOLING
YESTERDAY 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
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THE SAN FRANCISCO DWTN CA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 64 92 1988
MINIMUM TEMPERATURE (F) 52 43 1899
SUNRISE AND SUNSET
MAY 20 2025...........SUNRISE 5:56 AM PDT SUNSET 8:17 PM PDT
MAY 21 2025...........SUNRISE 5:55 AM PDT SUNSET 8:18 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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