Climatological Report (Daily)
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695
CDUS46 KMTR 180827
CLISTS

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
127 AM PDT SAT JUL 18 2026

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

...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR JULY 17 2026...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2026


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         83   3:20 PM 101    2006  83      0       74
  MINIMUM         47R  4:56 AM  47    2009  52     -5       54
  AVERAGE         65                        68     -3       64

PRECIPITATION (IN)
  YESTERDAY        0.00          0.02 2007   0.00   0.00     0.01
  MONTH TO DATE    T                         0.01  -0.01     0.01
  SINCE OCT 1     26.30                     33.60  -7.30    41.12
  SINCE JAN 1     13.41                     21.61  -8.20    15.53

DEGREE DAYS
 HEATING
  YESTERDAY        0                                         1
  MONTH TO DATE    8                                        11
  SINCE JUN 1     28                                        55
  SINCE JUL 1      8                                        11

 COOLING
  YESTERDAY        0                                         0
  MONTH TO DATE   56                                        26
  SINCE JUN 1    120                                        66
  SINCE JAN 1    159                                       103
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED   6   RESULTANT WIND DIRECTION   S (160)
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION     S (160)
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION    SE (150)
  AVERAGE WIND SPEED     6.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.2


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           6:00 AM
 LOWEST     32           2:00 PM
 AVERAGE    66

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


THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   83       104      1998
 MINIMUM TEMPERATURE (F)   52        48      2000
                                             2012
                                             2022


SUNRISE AND SUNSET
JULY 18 2026..........SUNRISE   6:02 AM PDT   SUNSET   8:33 PM PDT
JULY 19 2026..........SUNRISE   6:03 AM PDT   SUNSET   8:32 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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