


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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727 CDUS46 KMTR 300040 CLILVK CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 540 PM PDT FRI AUG 29 2025 ................................... ...THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR AUGUST 29 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 86 3:22 PM 104 2008 87 -1 87 2009 MINIMUM 58 4:22 AM 44 1969 56 2 57 AVERAGE 72 72 0 72 PRECIPITATION (IN) TODAY 0.00 0.01 2000 0.00 0.00 0.00 MONTH TO DATE 0.00 0.08 -0.08 T SINCE OCT 1 8.68 15.09 -6.41 14.23 SINCE JAN 1 4.49 9.86 -5.37 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 7 7 0 7 MONTH TO DATE 246 203 43 246 SINCE JUN 1 500 554 -54 865 SINCE JAN 1 557 606 -49 909 ................................................................... WIND (MPH) RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION W (270) HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION W (290) HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION W (280) AVERAGE WIND SPEED 5.8 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.3 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED TODAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 90 4:00 AM LOWEST 32 4:00 PM AVERAGE 61 .......................................................... THE LIVERMORE AIRPORT CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 87 105 1976 MINIMUM TEMPERATURE (F) 56 46 1937 SUNRISE AND SUNSET AUGUST 29 2025........SUNRISE 6:35 AM PDT SUNSET 7:40 PM PDT AUGUST 30 2025........SUNRISE 6:36 AM PDT SUNSET 7:39 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$