


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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836 CDUS46 KMTR 040032 CLILVK CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 532 PM PDT FRI OCT 03 2025 ................................... ...THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR OCTOBER 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 72 MM 106 1980 82 -10 105 MINIMUM 59 MM 39 1973 52 7 62 AVERAGE 66 67 -1 84 PRECIPITATION (IN) TODAY 0.00 0.14 1967 0.02 -0.02 0.00 MONTH TO DATE 0.60 0.04 0.56 0.00 SINCE OCT 1 0.60 0.04 0.56 0.00 SINCE JAN 1 5.22 9.99 -4.77 11.05 DEGREE DAYS HEATING TODAY 0 1 -1 0 MONTH TO DATE 0 3 -3 0 SINCE SEP 1 0 18 -18 2 SINCE JUL 1 0 25 -25 4 COOLING TODAY 1 3 -2 19 MONTH TO DATE 8 11 -3 56 SINCE SEP 1 238 181 57 262 SINCE JAN 1 825 807 18 1184 ................................................................... WIND (MPH) RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION W (250) HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION W (270) HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM AVERAGE WIND SPEED 7.4 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.8 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED TODAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 87 12:00 AM LOWEST 49 3:00 PM AVERAGE 68 .......................................................... THE LIVERMORE AIRPORT CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 82 106 1980 MINIMUM TEMPERATURE (F) 52 40 1981 SUNRISE AND SUNSET OCTOBER 3 2025.......SUNRISE 7:05 AM PDT SUNSET 6:47 PM PDT OCTOBER 4 2025.......SUNRISE 7:06 AM PDT SUNSET 6:45 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$