Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS46 KMTR 180837
CLISJC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
137 AM PDT FRI APR 18 2025
...................................
...THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR APRIL 17 2025...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1893 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 63 4:51 PM 89 1954 69 -6 81
MINIMUM 52 12:59 AM 29 1894 48 4 55
AVERAGE 58 59 -1 68
PRECIPITATION (IN)
YESTERDAY 0.00 0.56 1957 0.04 -0.04 0.00
MONTH TO DATE 0.25 0.74 -0.49 0.81
SINCE OCT 1 9.14 12.46 -3.32 16.39
SINCE JAN 1 5.50 8.31 -2.81 12.96
SNOWFALL (IN)
YESTERDAY MM 0.0 1947
MONTH TO DATE T
SINCE MAR 1 T
SINCE JUL 1 T
DEGREE DAYS
HEATING
YESTERDAY 7 6 1 0
MONTH TO DATE 96 124 -28 104
SINCE MAR 1 408 402 6 340
SINCE JUL 1 1579 1985 -406 1404
COOLING
YESTERDAY 0 0 0 3
MONTH TO DATE 1 0 1 7
SINCE MAR 1 6 2 4 7
SINCE JAN 1 6 2 4 7
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION W (260)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION S (160)
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION N (360)
AVERAGE WIND SPEED 7.0
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 80 10:00 PM
LOWEST 58 12:00 PM
AVERAGE 69
..........................................................
THE SAN JOSE AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 70 91 2016
MINIMUM TEMPERATURE (F) 49 30 1893
SUNRISE AND SUNSET
APRIL 18 2025.........SUNRISE 6:28 AM PDT SUNSET 7:46 PM PDT
APRIL 19 2025.........SUNRISE 6:27 AM PDT SUNSET 7:47 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$