911
CDUS46 KMTR 200839
CLILVK
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
139 AM PDT TUE MAY 20 2025
...............................
..THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR MAY 19 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 83 1:43 PM 97 1952 76 7 76
MINIMUM 51 4:50 AM 38 1974 50 1 50
AVERAGE 67 63 4 63
PRECIPITATION (IN)
YESTERDAY 0.00 0.48 1957 0.02 -0.02 0.00
MONTH TO DATE 0.07 0.40 -0.33 0.51
SINCE OCT 1 8.68 14.71 -6.03 14.23
SINCE JAN 1 4.49 9.48 -4.99 11.04
DEGREE DAYS
HEATING
YESTERDAY 0 4 -4 2
MONTH TO DATE 53 89 -36 55
SINCE MAR 1 617 696 -79 604
SINCE JUL 1 2327 2637 -310 2181
COOLING
YESTERDAY 2 2 0 0
MONTH TO DATE 18 22 -4 19
SINCE MAR 1 19 30 -11 24
SINCE JAN 1 19 30 -11 24
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WIND (MPH)
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION W (250)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION W (260)
AVERAGE WIND SPEED 7.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 83 4:00 AM
LOWEST 32 12:00 PM
AVERAGE 58
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THE LIVERMORE AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 76 99 2001
MINIMUM TEMPERATURE (F) 50 40 1976
SUNRISE AND SUNSET
MAY 20 2025...........SUNRISE 5:53 AM PDT SUNSET 8:15 PM PDT
MAY 21 2025...........SUNRISE 5:53 AM PDT SUNSET 8:16 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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