These data are preliminary and have not undergone final quality control by the National Climatic Data Center (NCDC). Therefore, these data are subject to revision. Final and certified climate data can be accessed at the NCDC - http://www.ncdc.noaa.gov.

Climatological Report (Daily)


000
CDUS46 KMTR 110035
CLISFD

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
535 PM PDT MON MAY 10 2021

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

...THE SAN FRANCISCO DWTN CA CLIMATE SUMMARY FOR MAY 10 2021...
VALID TODAY AS OF 0500 PM LOCAL TIME.

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1850 TO 2021


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         73   2:43 PM  89    1941  64      9       62
  MINIMUM         51   6:43 AM  43    2003  51      0       54
  AVERAGE         62                        57      5       58

PRECIPITATION (IN)
  TODAY            0.00          0.45 1890   0.02  -0.02     0.00
  MONTH TO DATE    0.01                      0.27  -0.26     0.00
  SINCE OCT 1      8.90                     22.09 -13.19    10.99
  SINCE JAN 1      6.33                     13.79  -7.46     4.61

DEGREE DAYS
 HEATING
  TODAY            3                         8     -5        7
  MONTH TO DATE   64                        80    -16       56
  SINCE MAR 1    747                       642    105      620
  SINCE JUL 1   2377                      2460    -83     2158

 COOLING
  TODAY            0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE MAR 1      4                         7     -3        0
  SINCE JAN 1      4                         7     -3        0
...................................................................


THE SAN FRANCISCO DWTN CA CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   64        89      1895
 MINIMUM TEMPERATURE (F)   51        46      1887


SUNRISE AND SUNSET
MAY 10 2021...........SUNRISE   6:04 AM PDT   SUNSET   8:09 PM PDT
MAY 11 2021...........SUNRISE   6:03 AM PDT   SUNSET   8:10 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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