


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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242 CDUS46 KMTR 230041 CLILVK CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 541 PM PDT FRI AUG 22 2025 ................................... ...THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR AUGUST 22 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 98 3:46 PM 103 1969 88 10 74 MINIMUM 58 5:53 AM 45 1973 57 1 60 AVERAGE 78 72 6 67 PRECIPITATION (IN) TODAY 0.00 0.12 2003 0.01 -0.01 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 13 7 6 2 MONTH TO DATE 186 154 32 192 SINCE JUN 1 440 505 -65 811 SINCE JAN 1 497 557 -60 855 ................................................................... WIND (MPH) RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION W (280) HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION W (290) HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION W (290) AVERAGE WIND SPEED 4.7 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 84 6:00 AM LOWEST 19 4:00 PM AVERAGE 52 .......................................................... THE LIVERMORE AIRPORT CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 88 107 1932 MINIMUM TEMPERATURE (F) 57 45 1973 SUNRISE AND SUNSET AUGUST 22 2025........SUNRISE 6:29 AM PDT SUNSET 7:50 PM PDT AUGUST 23 2025........SUNRISE 6:30 AM PDT SUNSET 7:49 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$