


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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402 CDUS46 KMTR 100828 CLILVK CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 128 AM PDT SUN AUG 10 2025 ................................... ...THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR AUGUST 9 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 98 2:13 PM 107 1984 88 10 91 MINIMUM 64 5:50 AM 46 1943 57 7 56 AVERAGE 81 72 9 74 PRECIPITATION (IN) YESTERDAY 0.00 0.00 2006 0.00 0.00 0.00 MONTH TO DATE 0.00 0.02 -0.02 T SINCE OCT 1 8.68 15.03 -6.35 14.23 SINCE JAN 1 4.49 9.80 -5.31 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 16 7 9 9 MONTH TO DATE 76 63 13 107 SINCE JUN 1 330 414 -84 726 SINCE JAN 1 387 466 -79 770 ................................................................... WIND (MPH) RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION W (280) HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (290) HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION W (290) AVERAGE WIND SPEED 6.7 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 70 5:00 AM LOWEST 23 6:00 PM AVERAGE 47 .......................................................... THE LIVERMORE AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 88 108 1971 MINIMUM TEMPERATURE (F) 57 49 1950 SUNRISE AND SUNSET AUGUST 10 2025........SUNRISE 6:19 AM PDT SUNSET 8:05 PM PDT AUGUST 11 2025........SUNRISE 6:20 AM PDT SUNSET 8:04 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$