470
CDUS46 KMTR 180832
CLISJC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1232 AM PST WED DEC 18 2024
...............................
..THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR DECEMBER 17 2024
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1893 TO 2024
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 61 MM 72 1958 59 2 62
MINIMUM 46 11:59 PM 26 1965 42 4 47
AVERAGE 54 50 4 55
PRECIPITATION (IN)
YESTERDAY 0.00 0.75 1894 0.07 -0.07 0.17
1977
MONTH TO DATE 0.18 1.23 -1.05 0.24
SINCE OCT 1 1.50 3.09 -1.59 0.91
SINCE JAN 1 15.13 12.42 2.71 13.19
SNOWFALL (IN)
YESTERDAY MM 0.0 1947
MONTH TO DATE T
SINCE DEC 1 T
SINCE JUL 1 T
DEGREE DAYS
HEATING
YESTERDAY 11 15 -4 10
MONTH TO DATE 153 239 -86 170
SINCE DEC 1 153 239 -86 170
SINCE JUL 1 379 604 -225 363
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 1215 624 591 808
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION N (340)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NW (330)
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 3.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
FOG W/VISIBILITY <= 1/4 MILE
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 7:00 AM
LOWEST 64 3:00 PM
AVERAGE 80
......................................................
THE SAN JOSE AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 59 69 1937
1958
MINIMUM TEMPERATURE (F) 41 25 1908
1924
SUNRISE AND SUNSET
DECEMBER 18 2024......SUNRISE 7:17 AM PST SUNSET 4:52 PM PST
DECEMBER 19 2024......SUNRISE 7:17 AM PST SUNSET 4:53 PM PST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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