Climatological Report (Monthly)
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000
CXUS56 KMTR 052346
CLMSFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
346 PM PST SUN MAR 5 2017

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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR THE MONTH OF FEBRUARY 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1927 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              77   02/26/1986
 LOW               30   02/01/1950
                        02/14/1949
HIGHEST            66   02/14                         75  02/15
LOWEST             40   02/26                         42  02/03
                        02/24
AVG. MAXIMUM     59.8              59.5     0.3     65.2
AVG. MINIMUM     49.2                               48.7
MEAN             54.5              52.9     1.6     56.9
DAYS MAX >= 90      0                                  0
DAYS MAX <= 32      0                                  0
DAYS MIN <= 32      0                                  0
DAYS MIN <= 0       0                                  0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        13.64   1998
 MINIMUM         0.00   1953
TOTALS           7.43              4.06    3.37     0.85
DAILY AVG.       0.27              0.14    0.13     0.03
DAYS >= .01        19                                  4
DAYS >= .10        14                                  3
DAYS >= .50         4                                  0
DAYS >= 1.00        1                                  0
GREATEST
 24 HR. TOTAL    2.21   02/19 TO 02/20           02/17 TO 02/18
                                                          02/29 TO 02/29
                                                          02/29 TO 02/29

DEGREE_DAYS
HEATING TOTAL     287               339     -52      225
 SINCE 7/1       1577              1806    -229     1398
COOLING TOTAL       0                 0       0        0
 SINCE 1/1          0                 0       0        0
..........................................................

WIND (MPH)
AVERAGE WIND SPEED              10.4
RESULTANT WIND SPEED/DIRECTION   4/232
HIGHEST WIND SPEED/DIRECTION    41/180    DATE  02/07
HIGHEST GUST SPEED/DIRECTION    55/220    DATE  02/07

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.70
NUMBER OF DAYS FAIR            6
NUMBER OF DAYS PC             10
NUMBER OF DAYS CLOUDY         12

AVERAGE RH (PERCENT)     73

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                3     RAIN                      11
LIGHT RAIN               19     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      16     FOG W/VIS <= 1/4 MILE      0
HAZE                     10

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

$$



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