Climatological Report (Monthly)
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000
CXUS56 KMTR 010828
CLMSTS

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

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

...THE SANTA ROSA 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             82   01/12/2009
 LOW              20   01/15/2007
HIGHEST           73   01/29                          75  01/25
LOWEST            31   01/07                          27  01/31
                       01/11
AVG. MAXIMUM    60.0               57.9     2.1     59.5
AVG. MINIMUM    42.7               37.5     5.2     38.5
MEAN            51.3               47.7     3.6     49.0
DAYS MAX >= 90     0                0.0     0.0        0
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MIN <= 32     3                9.1    -6.1       10
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       18.96   2017
 MINIMUM        0.10   2014
TOTALS          9.57                               13.50
DAILY AVG.      0.31                                0.44
DAYS >= .01       15                                  16
DAYS >= .10       13                                  13
DAYS >= .50        5                                   8
DAYS >= 1.00       3                                   5
GREATEST
 24 HR. TOTAL   2.48   01/21 TO 01/22               2.49  01/08 TO 01/09


DEGREE DAYS
HEATING TOTAL    390                                 489
 SINCE 7/1      1256                                  MM
COOLING TOTAL      0                                   0
 SINCE 1/1         0                                  MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              4.1
RESULTANT WIND SPEED/DIRECTION   1/210
HIGHEST WIND SPEED/DIRECTION    23/130    DATE  01/31
HIGHEST GUST SPEED/DIRECTION    36/140    DATE  01/31

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.60
NUMBER OF DAYS FAIR            7
NUMBER OF DAYS PC             14
NUMBER OF DAYS CLOUDY         10

AVERAGE RH (PERCENT)     83

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN               10     RAIN                      13
LIGHT RAIN               13     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      26     FOG W/VIS <= 1/4 MILE     16
HAZE                      6

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

$$


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