


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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658 CDUS46 KMTR 030845 CLILVK CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 145 AM PDT SUN AUG 03 2025 ................................... ...THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR AUGUST 2 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 84 3:57 PM 112 1946 88 -4 91 MINIMUM 56 3:19 AM 45 1972 57 -1 62 AVERAGE 70 72 -2 77 PRECIPITATION (IN) YESTERDAY 0.00 T 2024 0.00 0.00 T MONTH TO DATE 0.00 0.00 0.00 T SINCE OCT 1 8.68 15.01 -6.33 14.23 SINCE JAN 1 4.49 9.78 -5.29 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 5 7 -2 12 MONTH TO DATE 11 14 -3 25 SINCE JUN 1 265 365 -100 644 SINCE JAN 1 322 417 -95 688 ................................................................... WIND (MPH) RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION NW (300) HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION W (280) HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION W (290) AVERAGE WIND SPEED 9.1 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.2 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 93 3:00 AM LOWEST 37 4:00 PM AVERAGE 65 .......................................................... THE LIVERMORE AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 88 108 1998 MINIMUM TEMPERATURE (F) 57 47 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. $$