


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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742 CDUS46 KMTR 060033 CLILVK CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 533 PM PDT FRI SEP 05 2025 ................................... ...THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 5 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 77 2:34 PM 113 2022 87 -10 102 MINIMUM 61 7:33 AM 45 1954 56 5 60 AVERAGE 69 72 -3 81 PRECIPITATION (IN) TODAY 0.00 0.02 1978 0.00 0.00 0.00 MONTH TO DATE T 0.00 0.00 0.00 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 SEP 1 0 0 0 0 SINCE JUL 1 0 7 -7 2 COOLING TODAY 4 7 -3 16 MONTH TO DATE 47 35 12 51 SINCE SEP 1 47 35 12 51 SINCE JAN 1 634 661 -27 973 ................................................................... WIND (MPH) RESULTANT WIND SPEED 10 RESULTANT WIND DIRECTION W (280) HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (290) HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION W (280) AVERAGE WIND SPEED 10.4 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.7 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED TODAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 87 3:00 AM LOWEST 52 3:00 PM AVERAGE 70 .......................................................... THE LIVERMORE AIRPORT CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 87 113 2022 MINIMUM TEMPERATURE (F) 56 45 1942 SUNRISE AND SUNSET SEPTEMBER 5 2025.....SUNRISE 6:41 AM PDT SUNSET 7:30 PM PDT SEPTEMBER 6 2025.....SUNRISE 6:42 AM PDT SUNSET 7:28 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$