694
CDUS46 KMTR 180833
CLISFO
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
132 AM PDT SUN AUG 18 2019
...............................
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR AUGUST 17 2019
CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1927 TO 2019
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
..............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 75 143 PM 82 1993 73 2 71
1988
MINIMUM 61 1159 PM 48 1952 56 5 55
1945
AVERAGE 68 64 4 63
PRECIPITATION (IN)
YESTERDAY 0.00 0.03 1976 0.00 0.00 0.00
MONTH TO DATE 0.00 0.02 -0.02 0.00
SINCE OCT 1 23.31 20.46 2.85 13.86
SINCE JAN 1 18.43 13.10 5.33 10.81
SNOWFALL (IN)
YESTERDAY 0.0 0.0
MONTH TO DATE 0.0
SINCE JUN 1 0.0
SINCE JUL 1 0.0
DEGREE DAYS
HEATING
YESTERDAY 0 1 -1 2
MONTH TO DATE 0 28 -28 44
SINCE JUN 1 80 198 -118 146
SINCE JUL 1 29 93 -64 97
COOLING
YESTERDAY 3 1 2 0
MONTH TO DATE 69 17 52 2
SINCE JUN 1 163 62 101 21
SINCE JAN 1 172 81 91 32
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WIND (MPH)
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION S (200)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION W (250)
AVERAGE WIND SPEED 9.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 84 1200 AM
LOWEST 49 100 PM
AVERAGE 67
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THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 85 1978
MINIMUM TEMPERATURE (F) 56 48 1957
SUNRISE AND SUNSET
AUGUST 18 2019........SUNRISE 628 AM PDT SUNSET 758 PM PDT
AUGUST 19 2019........SUNRISE 629 AM PDT SUNSET 757 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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