059
CXUS56 KMTR 010909
CLMAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
109 AM PST SAT MAR 01 2025
...............................
...THE NAPA AIRPORT CLIMATE SUMMARY FOR THE MONTH OF FEBRUARY 2025...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2025
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
............................................................
TEMPERATURE (F)
RECORD
HIGH 81 02/05/2011
LOW 21 02/20/2018
HIGHEST 73 02/27 72 02/24
02/28
LOWEST 29 02/10 33 02/08
02/11
AVG. MAXIMUM 61.2 60.7
AVG. MINIMUM 40.0 41.8
MEAN 50.6 51.3
DAYS MAX >= 90 0 0
DAYS MAX <= 32 0 0
DAYS MIN <= 32 4 0
DAYS MIN <= 0 0 0
PRECIPITATION (INCHES)
TOTALS 5.08 3.95 1.13 4.91
DAILY AVG. 0.18 0.17
DAYS >= .01 10 13
DAYS >= .10 6 12
DAYS >= .50 4 5
DAYS >= 1.00 2 1
GREATEST
24 HR. TOTAL 1.95 02/03 TO 02/04 1.47 02/03 TO 02/04
DEGREE DAYS
HEATING TOTAL 399 391
SINCE 7/1 1855 MM
COOLING TOTAL 0 0
SINCE 1/1 0 MM
............................................................
WIND (MPH)
AVERAGE WIND SPEED 6.5
RESULTANT WIND SPEED/DIRECTION 3/200
HIGHEST WIND SPEED/DIRECTION 30/210 DATE 02/06
30/200 02/13
HIGHEST GUST SPEED/DIRECTION 42/230 DATE 02/04
42/200 02/13
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.36
NUMBER OF DAYS FAIR 17
NUMBER OF DAYS PC 4
NUMBER OF DAYS CLOUDY 7
AVERAGE RH (PERCENT) 76
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 2 RAIN 7
LIGHT RAIN 9 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 17 FOG W/VIS <= 1/4 MILE 6
HAZE 2
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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