Climatological Report (Daily)
Issued by NWS
Issued by NWS
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064
CDUS46 KMTR 310830
CLISJC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1230 AM PST FRI JAN 31 2025
...................................
...THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR JANUARY 30 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 56 4:19 PM 73 2024 61 -5 73
MINIMUM 44 11:39 PM 24 1895 43 1 52
AVERAGE 50 52 -2 63
PRECIPITATION (IN)
YESTERDAY 0.00 3.60 1968 0.09 -0.09 0.00
MONTH TO DATE 0.11 2.70 -2.59 3.64
SINCE OCT 1 3.75 6.85 -3.10 7.07
SINCE JAN 1 0.11 2.70 -2.59 3.64
SNOWFALL (IN)
YESTERDAY MM 0.0 1947
MONTH TO DATE T
SINCE DEC 1 T
SINCE JUL 1 T
DEGREE DAYS
HEATING
YESTERDAY 15 14 1 2
MONTH TO DATE 341 427 -86 310
SINCE DEC 1 614 873 -259 594
SINCE JUL 1 840 1238 -398 787
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 2 0 2 0
SINCE JAN 1 0 0 0 0
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION NE (60)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION NW (330)
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION N (340)
AVERAGE WIND SPEED 3.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 79 11:00 PM
LOWEST 52 3:00 PM
AVERAGE 66
..........................................................
THE SAN JOSE AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 61 71 1962
2015
MINIMUM TEMPERATURE (F) 43 26 1895
1917
SUNRISE AND SUNSET
JANUARY 31 2025.......SUNRISE 7:11 AM PST SUNSET 5:32 PM PST
FEBRUARY 1 2025......SUNRISE 7:10 AM PST SUNSET 5:33 PM PST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$