Climatological Report (Daily)
Issued by NWS
Issued by NWS
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714
CDUS46 KMTR 310826
CLILVK
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
126 AM PDT THU JUL 31 2025
...................................
...THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR JULY 30 2025...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1930 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 78 2:22 PM 107 1979 88 -10 82
MINIMUM 56 1:23 AM 46 1975 57 -1 60
AVERAGE 67 72 -5 71
PRECIPITATION (IN)
YESTERDAY 0.00 0.03 1966 0.00 0.00 0.00
MONTH TO DATE 0.00 0.00 0.00 0.00
SINCE OCT 1 8.68 15.01 -6.33 14.23
SINCE JAN 1 4.49 9.78 -5.29 11.04
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 2
SINCE JUN 1 13 33 -20 4
SINCE JUL 1 0 0 0 2
COOLING
YESTERDAY 2 7 -5 6
MONTH TO DATE 153 224 -71 406
SINCE JUN 1 245 349 -104 608
SINCE JAN 1 302 401 -99 652
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 10 RESULTANT WIND DIRECTION W (290)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 10.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 1:00 AM
LOWEST 47 3:00 PM
AVERAGE 70
..........................................................
THE LIVERMORE AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 88 106 1977
MINIMUM TEMPERATURE (F) 57 46 1969
SUNRISE AND SUNSET
JULY 31 2025..........SUNRISE 6:11 AM PDT SUNSET 8:16 PM PDT
AUGUST 1 2025........SUNRISE 6:11 AM PDT SUNSET 8:15 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$