Climatological Report (Daily)
Issued by NWS

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631
CDUS46 KMTR 200827
CLISFD

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
127 AM PDT SUN APR 20 2025

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

...THE SAN FRANCISCO DWTN CA CLIMATE SUMMARY FOR APRIL 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         60   1:43 PM  83    1992  63     -3       61
  MINIMUM         50   4:43 AM  41    1896  50      0       51
  AVERAGE         55                        56     -1       56

PRECIPITATION (IN)
  YESTERDAY        0.00          1.11 1988   0.04  -0.04     0.00
  MONTH TO DATE    0.25                      1.21  -0.96     1.12
  SINCE OCT 1     19.57                     21.43  -1.86    24.64
  SINCE JAN 1      9.37                     13.13  -3.76    17.96

DEGREE DAYS
 HEATING
  YESTERDAY       10                         9      1        9
  MONTH TO DATE  164                       171     -7      179
  SINCE MAR 1    476                       468      8      474
  SINCE JUL 1   2076                      2286   -210     1894

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE MAR 1      2                         2      0        2
  SINCE JAN 1      2                         2      0        2
...................................................................


THE SAN FRANCISCO DWTN CA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   63        93      2009
 MINIMUM TEMPERATURE (F)   50        42      1963


SUNRISE AND SUNSET
APRIL 20 2025.........SUNRISE   6:27 AM PDT   SUNSET   7:50 PM PDT
APRIL 21 2025.........SUNRISE   6:26 AM PDT   SUNSET   7:51 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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