National Weather Service Text Product
AFOS product CLISFO
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLISFO
Product Timestamp: 2015-05-18 08:35 UTC
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381
CDUS46 KMTR 180836
CLISFO
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
135 AM PDT MON MAY 18 2015
...................................
...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR MAY 17 2015...
CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1927 TO 2015
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
..................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 62 1225 PM 93 2009 68 -6 67
1997
MINIMUM 55 1146 PM 45 1996 52 3 57
AVERAGE 59 60 -1 62
PRECIPITATION (IN)
YESTERDAY 0.00 0.24 1994 0.01 -0.01 0.00
MONTH TO DATE 0.00 0.31 -0.31 T
SINCE OCT 1 16.31 20.17 -3.86 8.57
SINCE JAN 1 3.35 12.81 -9.46 7.31
SNOWFALL (IN)
YESTERDAY 0.0 0.0
MONTH TO DATE 0.0
SINCE MAR 1 0.0
SINCE JUL 1 0.0
DEGREE DAYS
HEATING
YESTERDAY 6 6 0 3
MONTH TO DATE 106 108 -2 44
SINCE MAR 1 437 670 -233 379
SINCE JUL 1 1384 2476 -1092 1924
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 41
SINCE MAR 1 13 6 7 62
SINCE JAN 1 13 6 7 62
..................................................................
WIND (MPH)
RESULTANT WIND SPEED 12 RESULTANT WIND DIRECTION W (260)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 12.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 77 1200 AM
LOWEST 60 1200 PM
AVERAGE 69
..........................................................
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 68 85 1978
MINIMUM TEMPERATURE (F) 52 42 1974
1950
SUNRISE AND SUNSET
MAY 18 2015...........SUNRISE 558 AM PDT SUNSET 815 PM PDT
MAY 19 2015...........SUNRISE 557 AM PDT SUNSET 815 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$