Climatological Report (Daily)
Issued by NWS

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438
CDUS46 KMTR 210908
CLISFD


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
208 AM PDT FRI JUL 21 2017


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

...THE SAN FRANCISCO DWTN CA CLIMATE SUMMARY FOR JULY 20 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         65    243 PM  89    1996  66     -1       63
  MINIMUM         54    543 AM  48    1894  54      0       54
  AVERAGE         60                        60      0       59

PRECIPITATION (IN)
  YESTERDAY        0.00          0.02 1906   0.00   0.00     0.00
  MONTH TO DATE    0.00                      0.00   0.00     0.02
  SINCE OCT 1     32.33                     23.38   8.95    23.08
  SINCE JAN 1     23.30                     14.54   8.76    16.47

DEGREE DAYS
 HEATING
  YESTERDAY        5                        MM     MM        6
  MONTH TO DATE   89                        MM     MM      117
  SINCE JUN 1    229                        MM     MM      257
  SINCE JUL 1     89                        MM     MM      117

 COOLING
  YESTERDAY        0                        MM     MM        0
  MONTH TO DATE    3                         0      3        0
  SINCE JUN 1     18                         0     18        5
  SINCE JAN 1     26                         0     26       31
..................................................................







THE SAN FRANCISCO DWTN CA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   66        88      1917
 MINIMUM TEMPERATURE (F)   54        48      1897


SUNRISE AND SUNSET
JULY 21 2017..........SUNRISE   605 AM PDT   SUNSET   827 PM PDT
JULY 22 2017..........SUNRISE   605 AM PDT   SUNSET   827 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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