Climatological Report (Daily)
Issued by NWS

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
121
CDUS46 KMTR 310835
CLISFD

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
135 AM PDT SUN AUG 31 2025

...................................

...THE SAN FRANCISCO DWTN CA CLIMATE SUMMARY FOR AUGUST 30 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         77  12:43 PM  89    1879  69      8       67
  MINIMUM         58   5:43 AM  49    1911  56      2       59
  AVERAGE         68                        62      6       63

PRECIPITATION (IN)
  YESTERDAY        0.00          0.24 1984   0.00   0.00     0.00
  MONTH TO DATE    0.03                      0.06  -0.03     0.04
  SINCE OCT 1     19.88                     22.79  -2.91    25.76
  SINCE JAN 1      9.68                     14.49  -4.81    19.08

DEGREE DAYS
 HEATING
  YESTERDAY        0                         4     -4        2
  MONTH TO DATE   82                       115    -33       90
  SINCE JUN 1    458                       436     22      340
  SINCE JUL 1    245                       267    -22      185

 COOLING
  YESTERDAY        3                         1      2        0
  MONTH TO DATE    7                        11     -4        9
  SINCE JUN 1      7                        30    -23       22
  SINCE JAN 1     13                        45    -32       28
...................................................................


THE SAN FRANCISCO DWTN CA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   69        87      1943
 MINIMUM TEMPERATURE (F)   56        48      1910


SUNRISE AND SUNSET
AUGUST 31 2025........SUNRISE   6:39 AM PDT   SUNSET   7:40 PM PDT
SEPTEMBER  1 2025.....SUNRISE   6:40 AM PDT   SUNSET   7:38 PM PDT


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




$$