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
000
CDUS46 KMTR 160826
CLISTS


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1225 AM PST SAT DEC 16 2017


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

...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR DECEMBER 15 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         59    325 PM  78    2013  56      3       58
  MINIMUM         31    442 AM  28    1999  36     -5       50
  AVERAGE         45                        46     -1       54

PRECIPITATION (IN)
  YESTERDAY        T             2.57 2016   0.24  -0.24     2.57
  MONTH TO DATE    0.04                      2.78  -2.74     5.90
  SINCE OCT 1      6.27                      9.50  -3.23    17.57
  SINCE JAN 1     48.25                     32.03  16.22    41.13

DEGREE DAYS
 HEATING
  YESTERDAY       20                                        11
  MONTH TO DATE  265                                       244
  SINCE DEC 1    265                                       244
  SINCE JUL 1    714                                       737

 COOLING
  YESTERDAY        0                                         0
  MONTH TO DATE    0                                         0
  SINCE DEC 1      0                                         0
  SINCE JAN 1    635                                       356
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   0   RESULTANT WIND DIRECTION  SW (230)
  HIGHEST WIND SPEED     7   HIGHEST WIND DIRECTION     N (350)
  HIGHEST GUST SPEED     9   HIGHEST GUST DIRECTION     N (350)
  AVERAGE WIND SPEED     0.8


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.5


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG
  FOG W/VISIBILITY <= 1/4 MILE
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100          1200 AM
 LOWEST     57           300 PM
 AVERAGE    79

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


THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   56        70      2011
 MINIMUM TEMPERATURE (F)   36        27      2011
                                             2005


SUNRISE AND SUNSET
DECEMBER 16 2017......SUNRISE   722 AM PST   SUNSET   452 PM PST
DECEMBER 17 2017......SUNRISE   723 AM PST   SUNSET   452 PM PST


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




$$



USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.