


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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441 CDUS46 KMTR 040043 CLILVK CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 543 PM PDT SUN AUG 03 2025 ................................... ...THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR AUGUST 3 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 81 12:37 PM 108 1998 88 -7 99 MINIMUM 56 5:30 AM 47 1972 57 -1 64 AVERAGE 69 72 -3 82 PRECIPITATION (IN) TODAY 0.00 0.07 2017 0.01 -0.01 0.00 MONTH TO DATE 0.00 0.01 -0.01 T SINCE OCT 1 8.68 15.02 -6.34 14.23 SINCE JAN 1 4.49 9.79 -5.30 11.04 DEGREE DAYS HEATING TODAY 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 TODAY 4 7 -3 17 MONTH TO DATE 15 21 -6 42 SINCE JUN 1 269 372 -103 661 SINCE JAN 1 326 424 -98 705 ................................................................... WIND (MPH) RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION W (280) HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION S (200) HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION SW (220) AVERAGE WIND SPEED 9.7 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.0 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED TODAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 89 2:00 AM LOWEST 33 1:00 PM AVERAGE 61 .......................................................... THE LIVERMORE AIRPORT CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 88 110 1998 MINIMUM TEMPERATURE (F) 57 43 1972 SUNRISE AND SUNSET AUGUST 3 2025........SUNRISE 6:13 AM PDT SUNSET 8:13 PM PDT AUGUST 4 2025........SUNRISE 6:14 AM PDT SUNSET 8:12 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$