Climatological Report (Daily)
Issued by NWS
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CDUS46 KMTR 180833
CLILVK
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
133 AM PDT FRI SEP 18 2026
...................................
...THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 17 2026...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1930 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 73 3:18 PM 99 1991 85 -12 99
2025
MINIMUM 57 11:55 PM 44 1959 55 2 60
AVERAGE 65 70 -5 80
PRECIPITATION (IN)
YESTERDAY 0.00 0.22 1940 0.00 0.00 0.00
MONTH TO DATE 0.02 0.02 0.00 0.02
SINCE OCT 1 12.23 15.12 -2.89 8.70
SINCE JAN 1 6.57 9.89 -3.32 4.51
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE SEP 1 0 0 0 0
SINCE JUL 1 4 7 -3 0
COOLING
YESTERDAY 0 6 -6 15
MONTH TO DATE 85 109 -24 128
SINCE SEP 1 85 109 -24 128
SINCE JAN 1 811 735 76 715
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION W (250)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 8.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 10:00 PM
LOWEST 48 2:00 PM
AVERAGE 68
..........................................................
THE LIVERMORE AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 85 103 1939
MINIMUM TEMPERATURE (F) 55 41 1978
SUNRISE AND SUNSET
SEPTEMBER 18 2026.....SUNRISE 6:52 AM PDT SUNSET 7:10 PM PDT
SEPTEMBER 19 2026.....SUNRISE 6:53 AM PDT SUNSET 7:09 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$