Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS46 KMTR 220030
CLILVK
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
530 PM PDT MON JUL 21 2025
...................................
...THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR JULY 21 2025...
VALID TODAY AS OF 0500 PM LOCAL TIME.
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)
TODAY
MAXIMUM 75 1:17 PM 109 2006 88 -13 81
MINIMUM 57 3:52 AM 45 1963 57 0 57
AVERAGE 66 72 -6 69
PRECIPITATION (IN)
TODAY 0.00 0.06 1979 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
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 13 33 -20 2
SINCE JUL 1 0 0 0 0
COOLING
TODAY 1 8 -7 4
MONTH TO DATE 126 153 -27 303
SINCE JUN 1 218 278 -60 505
SINCE JAN 1 275 330 -55 549
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 10 RESULTANT WIND DIRECTION W (260)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION W (280)
AVERAGE WIND SPEED 11.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 3:00 AM
LOWEST 50 2:00 PM
AVERAGE 69
..........................................................
THE LIVERMORE AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 88 111 2006
MINIMUM TEMPERATURE (F) 57 45 1964
SUNRISE AND SUNSET
JULY 21 2025..........SUNRISE 6:02 AM PDT SUNSET 8:25 PM PDT
JULY 22 2025..........SUNRISE 6:03 AM PDT SUNSET 8:24 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$