Climatological Report (Daily)
Issued by NWS

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000
CDUS46 KMTR 220852
CLISFD


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
151 AM PDT FRI SEP 22 2017


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

...THE SAN FRANCISCO DWTN CA CLIMATE SUMMARY FOR SEPTEMBER 21 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1850 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         64   1143 AM  99    1928  70     -6       64
  MINIMUM         55    443 AM  50    1886  55      0       55
  AVERAGE         60                        63     -3       60

PRECIPITATION (IN)
  YESTERDAY        0.00          0.47 1916   0.01  -0.01     0.00
  MONTH TO DATE    0.10                      0.11  -0.01     0.00
  SINCE OCT 1     32.44                     23.55   8.89    23.10
  SINCE JAN 1     23.41                     14.71   8.70    16.49

DEGREE DAYS
 HEATING
  YESTERDAY        5                        MM     MM        5
  MONTH TO DATE   21                        MM     MM       86
  SINCE SEP 1     21                        MM     MM       86
  SINCE JUL 1    243                        MM     MM      394

 COOLING
  YESTERDAY        0                        MM     MM        0
  MONTH TO DATE  102                         0    102       17
  SINCE SEP 1    102                         0    102       17
  SINCE JAN 1    141                         0    141       48
..................................................................







THE SAN FRANCISCO DWTN CA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   70        97      1939
 MINIMUM TEMPERATURE (F)   55        48      1910


SUNRISE AND SUNSET
SEPTEMBER 22 2017.....SUNRISE   658 AM PDT   SUNSET   706 PM PDT
SEPTEMBER 23 2017.....SUNRISE   659 AM PDT   SUNSET   705 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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