Climatological Report (Daily)
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686
CDUS46 KMTR 200045
CLISTS

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
545 PM PDT SAT APR 19 2025

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

...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR APRIL 19 2025...
VALID TODAY AS OF 0500 PM LOCAL TIME.

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2025


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         61   2:11 PM  90    2009  70     -9       68
  MINIMUM         43   1:30 AM  34    2008  43      0       49
  AVERAGE         52                        56     -4       59

PRECIPITATION (IN)
  TODAY            0.00          0.54 2004   0.06  -0.06     0.00
  MONTH TO DATE    0.34                      1.60  -1.26     0.90
  SINCE OCT 1     40.86                     31.51   9.35    36.15
  SINCE JAN 1     15.27                     19.52  -4.25    24.59

DEGREE DAYS
 HEATING
  TODAY           13                                         6
  MONTH TO DATE  157                                       177
  SINCE MAR 1    544                                       554
  SINCE JUL 1   2350                                      2206

 COOLING
  TODAY            0                                         0
  MONTH TO DATE    0                                         0
  SINCE MAR 1      2                                         0
  SINCE JAN 1      2                                         0
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED   4   RESULTANT WIND DIRECTION   S (200)
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION     S (200)
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION     S (180)
  AVERAGE WIND SPEED     4.5


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100          12:00 AM
 LOWEST     72           4:00 PM
 AVERAGE    86

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


THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   70        93      2009
 MINIMUM TEMPERATURE (F)   43        32      2008


SUNRISE AND SUNSET
APRIL 19 2025.........SUNRISE   6:29 AM PDT   SUNSET   7:52 PM PDT
APRIL 20 2025.........SUNRISE   6:28 AM PDT   SUNSET   7:53 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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