Climatological Report (Monthly)
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
000
CXUS56 KMTR 031547
CLMSTS


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
747 AM PST TUE FEB 3 2015

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

...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR THE MONTH OF JANUARY 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2015

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            80   01/31                         76  01/25
LOWEST             27   01/02                         23  01/05
                        01/01
AVG. MAXIMUM     62.9              56.7     6.2     67.7
AVG. MINIMUM     37.7              36.6     1.1     32.0
MEAN             50.3              46.7     3.6     49.9
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32      0               0.0     0.0        0
DAYS MIN <= 32      6               9.3    -3.3       17
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        12.57   2010
 MINIMUM         0.10   2014
TOTALS           0.12                               0.10
DAILY AVG.       0.00                               0.00
DAYS >= .01         4                                  3
DAYS >= .10         0                                  0
DAYS >= .50         0                                  0
DAYS >= 1.00        0                                  0
GREATEST
 24 HR. TOTAL    0.09   01/16 TO 01/17           01/11 TO 01/11
                                                          01/31 TO 01/31
                                                          01/31 TO 01/31

DEGREE_DAYS
HEATING TOTAL     451                                461
 SINCE 7/1       1178                               1572
COOLING TOTAL       0                                  0
 SINCE 1/1          0                                  0
..................................................

WIND (MPH)
AVERAGE WIND SPEED              1.5
RESULTANT WIND SPEED/DIRECTION   0/208
HIGHEST WIND SPEED/DIRECTION    15/290    DATE  01/15
HIGHEST GUST SPEED/DIRECTION    17/290    DATE  01/15

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.40
NUMBER OF DAYS FAIR           15
NUMBER OF DAYS PC             13
NUMBER OF DAYS CLOUDY          3

AVERAGE RH (PERCENT)     78

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       0
LIGHT RAIN                3     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     21
HAZE                     10

-  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.