


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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627 CDUS46 KMTR 120831 CLILVK CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 131 AM PDT SUN OCT 12 2025 ................................... ...THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR OCTOBER 11 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 72 12:51 PM 97 1958 80 -8 82 MINIMUM 51 11:59 PM 39 1973 51 0 51 AVERAGE 62 65 -3 67 PRECIPITATION (IN) YESTERDAY 0.00 0.70 1972 0.02 -0.02 0.00 MONTH TO DATE 0.60 0.17 0.43 0.00 SINCE OCT 1 0.60 0.17 0.43 0.00 SINCE JAN 1 5.22 10.12 -4.90 11.05 DEGREE DAYS HEATING YESTERDAY 3 2 1 0 MONTH TO DATE 6 18 -12 0 SINCE SEP 1 6 33 -27 2 SINCE JUL 1 6 40 -34 4 COOLING YESTERDAY 0 2 -2 2 MONTH TO DATE 23 32 -9 150 SINCE SEP 1 253 202 51 356 SINCE JAN 1 840 828 12 1278 ................................................................... WIND (MPH) RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION W (270) HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION W (260) HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION W (270) AVERAGE WIND SPEED 5.1 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 96 6:00 AM LOWEST 39 1:00 PM AVERAGE 68 .......................................................... THE LIVERMORE AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 79 96 1971 MINIMUM TEMPERATURE (F) 50 35 1947 SUNRISE AND SUNSET OCTOBER 12 2025.......SUNRISE 7:13 AM PDT SUNSET 6:33 PM PDT OCTOBER 13 2025.......SUNRISE 7:14 AM PDT SUNSET 6:32 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$