


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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278 CDUS46 KMTR 240033 CLILVK CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 533 PM PDT SAT AUG 23 2025 ................................... ...THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR AUGUST 23 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 89 1:59 PM 107 1932 88 1 75 MINIMUM 60 5:53 AM 45 1973 57 3 56 AVERAGE 75 72 3 66 PRECIPITATION (IN) TODAY 0.00 T 2020 0.00 0.00 0.00 MONTH TO DATE 0.00 0.06 -0.06 T SINCE OCT 1 8.68 15.07 -6.39 14.23 SINCE JAN 1 4.49 9.84 -5.35 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 10 7 3 1 MONTH TO DATE 196 161 35 193 SINCE JUN 1 450 512 -62 812 SINCE JAN 1 507 564 -57 856 ................................................................... WIND (MPH) RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION W (290) HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (290) HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION W (280) AVERAGE WIND SPEED 7.4 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 80 6:00 AM LOWEST 31 2:00 PM AVERAGE 56 .......................................................... THE LIVERMORE AIRPORT CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 88 107 1932 MINIMUM TEMPERATURE (F) 57 43 1964 SUNRISE AND SUNSET AUGUST 23 2025........SUNRISE 6:30 AM PDT SUNSET 7:49 PM PDT AUGUST 24 2025........SUNRISE 6:31 AM PDT SUNSET 7:47 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$