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000
CXUS56 KMTR 010828
CLMAPC

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1228 AM PST THU FEB 01 2024

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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR THE MONTH OF JANUARY 2024...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2024

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             80   01/12/2009
 LOW              18   01/15/2007
HIGHEST           71   01/28                          68  01/23
                       01/29
LOWEST            27   01/07                          29  01/31
AVG. MAXIMUM    59.4                                58.9
AVG. MINIMUM    41.5                                41.6
MEAN            50.4                                50.3
DAYS MAX >= 90     0                                   0
DAYS MAX <= 32     0                                   0
DAYS MIN <= 32     5                                   2
DAYS MIN <= 0      0                                   0

PRECIPITATION (INCHES)
TOTALS          4.72               4.17    0.55     8.78
DAILY AVG.      0.15                                0.28
DAYS >= .01       14                                  15
DAYS >= .10       10                                  13
DAYS >= .50        3                                   7
DAYS >= 1.00       1                                   3
GREATEST
 24 HR. TOTAL   1.53   01/31 TO 01/31               1.80  01/08 TO 01/09


DEGREE DAYS
HEATING TOTAL    440                                 430
 SINCE 7/1      1257                                  MM
COOLING TOTAL      0                                   0
 SINCE 1/1         0                                  MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              5.4
RESULTANT WIND SPEED/DIRECTION   1/130
HIGHEST WIND SPEED/DIRECTION    25/260    DATE  01/10
HIGHEST GUST SPEED/DIRECTION    37/270    DATE  01/10

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.46
NUMBER OF DAYS FAIR           14
NUMBER OF DAYS PC             11
NUMBER OF DAYS CLOUDY          6

AVERAGE RH (PERCENT)     81

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                4     RAIN                       8
LIGHT RAIN               14     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      29     FOG W/VIS <= 1/4 MILE      9
HAZE                      8

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

$$