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
242
CDUS46 KMTR 190826
CLIAPC

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1226 AM PST SUN JAN 19 2025

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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR JANUARY 18 2025...

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)
 YESTERDAY
  MAXIMUM         57   3:34 PM  80    2021  57      0       59
  MINIMUM         31   2:14 AM  24    2001  38     -7       40
  AVERAGE         44                        48     -4       50

PRECIPITATION (IN)
  YESTERDAY        0.00                                      0.00
  MONTH TO DATE    0.28                                      1.76
  SINCE OCT 1      8.26                                      7.80
  SINCE JAN 1      0.28                                      1.76

DEGREE DAYS
 HEATING
  YESTERDAY       21                                        15
  MONTH TO DATE  276                                       322
  SINCE DEC 1    661                                       733
  SINCE JUL 1   1201                                      1139

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


WIND (MPH)
  RESULTANT WIND SPEED   2   RESULTANT WIND DIRECTION   N (0)
  HIGHEST WIND SPEED     8   HIGHEST WIND DIRECTION     N (360)
  HIGHEST GUST SPEED    10   HIGHEST GUST DIRECTION     N (10)
  AVERAGE WIND SPEED     2.5


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.6


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100          12:00 AM
 LOWEST     66           4:00 PM
 AVERAGE    83

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


THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   57        70      2014
 MINIMUM TEMPERATURE (F)   38        24      2007


SUNRISE AND SUNSET
JANUARY 19 2025.......SUNRISE   7:23 AM PST   SUNSET   5:18 PM PST
JANUARY 20 2025.......SUNRISE   7:22 AM PST   SUNSET   5:19 PM PST


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




$$