Climatological Report (Daily)
Issued by NWS
Issued by NWS
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729
CDUS46 KMTR 210830
CLILVK
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
130 AM PDT THU AUG 21 2025
...................................
...THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR AUGUST 20 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 96 3:48 PM 103 1960 88 8 90
MINIMUM 54 5:17 AM 46 1949 57 -3 54
AVERAGE 75 72 3 72
PRECIPITATION (IN)
YESTERDAY 0.00 0.37 1997 0.00 0.00 0.00
MONTH TO DATE 0.00 0.05 -0.05 T
SINCE OCT 1 8.68 15.06 -6.38 14.23
SINCE JAN 1 4.49 9.83 -5.34 11.04
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 13 37 -24 4
SINCE JUL 1 0 4 -4 2
COOLING
YESTERDAY 10 7 3 7
MONTH TO DATE 156 140 16 183
SINCE JUN 1 410 491 -81 802
SINCE JAN 1 467 543 -76 846
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION W (270)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION W (280)
AVERAGE WIND SPEED 4.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 3:00 AM
LOWEST 22 2:00 PM
AVERAGE 55
..........................................................
THE LIVERMORE AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 88 106 1950
MINIMUM TEMPERATURE (F) 57 46 1973
SUNRISE AND SUNSET
AUGUST 21 2025........SUNRISE 6:28 AM PDT SUNSET 7:51 PM PDT
AUGUST 22 2025........SUNRISE 6:29 AM PDT SUNSET 7:50 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$