


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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589 CDUS46 KMTR 310035 CLILVK CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 535 PM PDT SAT AUG 30 2025 ................................... ...THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR AUGUST 30 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 101 2:41 PM 105 1976 87 14 86 MINIMUM 57 5:29 AM 46 1937 56 1 56 AVERAGE 79 72 7 71 PRECIPITATION (IN) TODAY 0.00 0.09 1953 0.01 -0.01 0.00 MONTH TO DATE 0.00 0.09 -0.09 T SINCE OCT 1 8.68 15.10 -6.42 14.23 SINCE JAN 1 4.49 9.87 -5.38 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 14 7 7 6 MONTH TO DATE 260 210 50 252 SINCE JUN 1 514 561 -47 871 SINCE JAN 1 571 613 -42 915 ................................................................... WIND (MPH) RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION W (280) HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION W (260) HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION W (270) AVERAGE WIND SPEED 3.9 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 81 6:00 AM LOWEST 17 4:00 PM AVERAGE 49 .......................................................... THE LIVERMORE AIRPORT CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 87 106 1955 MINIMUM TEMPERATURE (F) 56 46 1973 SUNRISE AND SUNSET AUGUST 30 2025........SUNRISE 6:36 AM PDT SUNSET 7:39 PM PDT AUGUST 31 2025........SUNRISE 6:37 AM PDT SUNSET 7:37 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$