Climatological Report (Daily)
Issued by NWS
Issued by NWS
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674
CDUS46 KMTR 290832
CLILVK
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
132 AM PDT MON SEP 29 2025
...................................
...THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 28 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 76 1:10 PM 105 2010 83 -7 89
MINIMUM 63 12:47 AM 42 1986 53 10 56
AVERAGE 70 68 2 73
PRECIPITATION (IN)
YESTERDAY 0.00 0.79 1976 0.00 0.00 0.00
MONTH TO DATE 0.13 0.06 0.07 0.01
SINCE OCT 1 8.81 15.16 -6.35 14.24
SINCE JAN 1 4.62 9.93 -5.31 11.05
DEGREE DAYS
HEATING
YESTERDAY 0 1 -1 0
MONTH TO DATE 0 8 -8 2
SINCE SEP 1 0 8 -8 2
SINCE JUL 1 0 15 -15 4
COOLING
YESTERDAY 5 4 1 8
MONTH TO DATE 221 163 58 190
SINCE SEP 1 221 163 58 190
SINCE JAN 1 808 789 19 1112
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION W (250)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION SW (240)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION SW (230)
AVERAGE WIND SPEED 9.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 84 12:00 AM
LOWEST 52 1:00 PM
AVERAGE 68
..........................................................
THE LIVERMORE AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 83 102 2010
MINIMUM TEMPERATURE (F) 53 39 1986
SUNRISE AND SUNSET
SEPTEMBER 29 2025.....SUNRISE 7:01 AM PDT SUNSET 6:53 PM PDT
SEPTEMBER 30 2025.....SUNRISE 7:02 AM PDT SUNSET 6:51 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$