Climatological Report (Monthly)
Issued by NWS

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
460
CXUS56 KMTR 011539
CLMAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
739 AM PST MON FEB 1 2016

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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR THE MONTH OF JANUARY 2016...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2016

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             122   MM
 LOW               19   01/17/2012
HIGHEST           122R  01/31                         72  01/31
LOWEST             25   01/01                         26  01/02
AVG. MAXIMUM     59.1                               59.3
AVG. MINIMUM     42.5                               36.7
MEAN             50.8                               48.0
DAYS MAX >= 90      1                                  0
DAYS MAX <= 32      0                                  0
DAYS MIN <= 32      2                                  4
DAYS MIN <= 0       0                                  0

PRECIPITATION (INCHES)
TOTALS           6.33              4.38    1.95        T
DAILY AVG.       0.20                                  T
DAYS >= .01        18                                  0
DAYS >= .10        13                                  0
DAYS >= .50         5                                  0
DAYS >= 1.00        2                                  0
GREATEST
 24 HR. TOTAL    1.43   01/17 TO 01/18           01/16 TO 01/16
                                                          01/31 TO 01/31
                                                          01/31 TO 01/31

DEGREE_DAYS
HEATING TOTAL     442                                522
 SINCE 7/1       1561                               1396
COOLING TOTAL      11                                  0
 SINCE 1/1         11                                  0
..................................................

WIND (MPH)
AVERAGE WIND SPEED              7.2
RESULTANT WIND SPEED/DIRECTION   2/105
HIGHEST WIND SPEED/DIRECTION    29/010    DATE  01/31
HIGHEST GUST SPEED/DIRECTION    42/310    DATE  01/31

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.60
NUMBER OF DAYS FAIR            4
NUMBER OF DAYS PC             16
NUMBER OF DAYS CLOUDY         11

AVERAGE RH (PERCENT)     82

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                6     RAIN                      10
LIGHT RAIN               18     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      21     FOG W/VIS <= 1/4 MILE      2
HAZE                      3

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

$$



USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.