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
518
CDUS46 KMTR 040026
CLISTS

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
526 PM PDT WED SEP 03 2025

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

...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 3 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         83   1:50 PM 100    2017  85     -2      100
                                      2024
  MINIMUM         59   6:19 AM  43    2000  51      8       48
  AVERAGE         71                        68      3       74

PRECIPITATION (IN)
  TODAY            0.00          0.10 2003   0.00   0.00     0.00
  MONTH TO DATE    0.00                      0.00   0.00     0.00
  SINCE OCT 1     41.12                     33.65   7.47    37.05
  SINCE JAN 1     15.53                     21.66  -6.13    25.49

DEGREE DAYS
 HEATING
  TODAY            0                                         0
  MONTH TO DATE    0                                         0
  SINCE SEP 1      0                                         0
  SINCE JUL 1     17                                         9

 COOLING
  TODAY            6                                         9
  MONTH TO DATE   21                                        11
  SINCE SEP 1     21                                        11
  SINCE JAN 1    300                                       515
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED   2   RESULTANT WIND DIRECTION   S (180)
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION     S (180)
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION     S (170)
  AVERAGE WIND SPEED     4.2


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.5


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           1:00 AM
 LOWEST     40           1:00 PM
 AVERAGE    67

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


THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   85       103      2022
 MINIMUM TEMPERATURE (F)   51        42      2016


SUNRISE AND SUNSET
SEPTEMBER  3 2025.....SUNRISE   6:43 AM PDT   SUNSET   7:37 PM PDT
SEPTEMBER  4 2025.....SUNRISE   6:44 AM PDT   SUNSET   7:36 PM PDT


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




$$