Climatological Report (Daily)
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614
CDUS46 KMTR 200827
CLISTS

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
127 AM PDT MON JUL 20 2026

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

...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR JULY 19 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         81   3:04 PM 106    2024  83     -2       79
  MINIMUM         51   4:27 AM  44    2008  52     -1       53
  AVERAGE         66                        68     -2       66

PRECIPITATION (IN)
  YESTERDAY        0.00          T    2025   0.00   0.00      T
  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                                         0
  MONTH TO DATE    8                                        11
  SINCE JUN 1     28                                        55
  SINCE JUL 1      8                                        11

 COOLING
  YESTERDAY        1                                         1
  MONTH TO DATE   60                                        27
  SINCE JUN 1    124                                        67
  SINCE JAN 1    163                                       104
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED   5   RESULTANT WIND DIRECTION   S (160)
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION    SE (140)
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION    SE (140)
  AVERAGE WIND SPEED     5.4


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.5


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           1:00 AM
 LOWEST     36           3:00 PM
 AVERAGE    68

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


THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   83        96      2024
 MINIMUM TEMPERATURE (F)   52        47      2021


SUNRISE AND SUNSET
JULY 20 2026..........SUNRISE   6:03 AM PDT   SUNSET   8:32 PM PDT
JULY 21 2026..........SUNRISE   6:04 AM PDT   SUNSET   8:31 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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