099
CDUS46 KMTR 310835
CLILVK
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1235 AM PST WED DEC 31 2025
...............................
..THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR DECEMBER 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 47 3:44 PM 71 1945 57 -10 58
MINIMUM 32 6:25 AM 20 1978 37 -5 38
AVERAGE 40 47 -7 48
PRECIPITATION (IN)
YESTERDAY 0.00 0.81 2004 0.09 -0.09 0.00
MONTH TO DATE 1.36 2.72 -1.36 2.98
SINCE OCT 1 5.12 5.15 -0.03 4.19
SINCE JAN 1 9.74 15.10 -5.36 15.24
DEGREE DAYS
HEATING
YESTERDAY 25 18 7 17
MONTH TO DATE 454 522 -68 395
SINCE DEC 1 454 522 -68 395
SINCE JUL 1 789 979 -190 794
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 845 849 -4 1295
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION NE (60)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION E (70)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION E (70)
AVERAGE WIND SPEED 4.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
FOG W/VISIBILITY <= 1/4 MILE
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 5:00 AM
LOWEST 70 12:00 AM
AVERAGE 85
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THE LIVERMORE AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 57 69 1996
MINIMUM TEMPERATURE (F) 37 20 1978
SUNRISE AND SUNSET
DECEMBER 31 2025......SUNRISE 7:22 AM PST SUNSET 4:59 PM PST
JANUARY 1 2026.......SUNRISE 7:22 AM PST SUNSET 5:00 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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