Climatological Report (Monthly)
Issued by NWS

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CXUS56 KMTR 031547
CLMSFO


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

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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR THE MONTH OF JANUARY 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1927 TO 2015

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              74   01/31/2015
 LOW               26   01/05/1949
HIGHEST            74R  01/31                         73  01/16
                                                          01/15
LOWEST             38   01/03                         41  01/01
                        01/02
AVG. MAXIMUM     61.0              56.3     4.7     64.1
AVG. MINIMUM     46.9                               46.1
MEAN             53.9              50.3     3.6     55.1
DAYS MAX >= 90      0                                  0
DAYS MAX <= 32      0                                  0
DAYS MIN <= 32      0                                  0
DAYS MIN <= 0       0                                  0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        11.26   1993
 MINIMUM         0.00   2015
TOTALS           0.00R             4.19   -4.19     0.01
DAILY AVG.       0.00              0.14   -0.14     0.00
DAYS >= .01         0                                  1
DAYS >= .10         0                                  0
DAYS >= .50         0                                  0
DAYS >= 1.00        0                                  0
GREATEST
 24 HR. TOTAL    0.00   01/31 TO 01/31           01/08 TO 01/08
                                                          01/31 TO 01/31
                                                          01/31 TO 01/31

DEGREE_DAYS
HEATING TOTAL     338               457    -119      299
 SINCE 7/1        773              1467    -694     1267
COOLING TOTAL       0                 0       0        0
 SINCE 1/1          0                 0       0        0
..................................................

WIND (MPH)
AVERAGE WIND SPEED              3.3
RESULTANT WIND SPEED/DIRECTION   1/347
HIGHEST WIND SPEED/DIRECTION    22/180    DATE  01/27
HIGHEST GUST SPEED/DIRECTION    28/180    DATE  01/27

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.40
NUMBER OF DAYS FAIR           15
NUMBER OF DAYS PC             14
NUMBER OF DAYS CLOUDY          2

AVERAGE RH (PERCENT)     80

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       0
LIGHT RAIN                0     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      23     FOG W/VIS <= 1/4 MILE      6
HAZE                     14

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

$$



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