


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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960 CDUS46 KMTR 260839 CLILVK CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 139 AM PDT SAT JUL 26 2025 ................................... ...THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR JULY 25 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 76 1:22 PM 111 1980 88 -12 97 MINIMUM 57 11:36 PM 42 1977 57 0 67 AVERAGE 67 72 -5 82 PRECIPITATION (IN) YESTERDAY 0.00 0.08 1946 0.00 0.00 0.00 MONTH TO DATE 0.00 0.00 0.00 0.00 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 33 -20 2 SINCE JUL 1 0 0 0 0 COOLING YESTERDAY 2 8 -6 17 MONTH TO DATE 134 185 -51 381 SINCE JUN 1 226 310 -84 583 SINCE JAN 1 283 362 -79 627 ................................................................... WIND (MPH) RESULTANT WIND SPEED 12 RESULTANT WIND DIRECTION W (290) HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION W (280) HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION W (290) AVERAGE WIND SPEED 12.8 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.4 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 89 12:00 AM LOWEST 48 2:00 PM AVERAGE 69 .......................................................... THE LIVERMORE AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 88 109 1933 MINIMUM TEMPERATURE (F) 57 48 1984 SUNRISE AND SUNSET JULY 26 2025..........SUNRISE 6:06 AM PDT SUNSET 8:21 PM PDT JULY 27 2025..........SUNRISE 6:07 AM PDT SUNSET 8:20 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$