020
CDUS46 KMTR 210836
CLILVK
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
136 AM PDT THU SEP 21 2023
...............................
..THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 20 2023
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1930 TO 2023
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 80 2:41 PM 103 1936 85 -5 76
MINIMUM 56 11:59 PM 40 1968 55 1 55
AVERAGE 68 70 -2 66
PRECIPITATION (IN)
YESTERDAY 0.00 0.04 2005 0.00 0.00 0.01
MONTH TO DATE T 0.03 -0.03 0.49
SINCE OCT 1 21.14 15.13 6.01 12.83
SINCE JAN 1 11.22 9.90 1.32 2.05
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 2
SINCE SEP 1 0 0 0 2
SINCE JUL 1 10 7 3 8
COOLING
YESTERDAY 3 5 -2 1
MONTH TO DATE 105 125 -20 238
SINCE SEP 1 105 125 -20 238
SINCE JAN 1 833 751 82 1043
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WIND (MPH)
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION W (290)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 6.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 2:00 AM
LOWEST 42 2:00 PM
AVERAGE 66
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THE LIVERMORE AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 85 104 1943
MINIMUM TEMPERATURE (F) 54 40 1960
SUNRISE AND SUNSET
SEPTEMBER 21 2023.....SUNRISE 6:54 AM PDT SUNSET 7:06 PM PDT
SEPTEMBER 22 2023.....SUNRISE 6:55 AM PDT SUNSET 7:04 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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