


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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689 CDUS46 KMTR 280829 CLILVK CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 129 AM PDT SAT JUN 28 2025 ................................... ...THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR JUNE 27 2025... 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) YESTERDAY MAXIMUM 93 1:57 PM 110 1937 86 7 87 MINIMUM 54 4:26 AM 43 1964 55 -1 54 AVERAGE 74 70 4 71 PRECIPITATION (IN) YESTERDAY 0.00 0.01 1991 0.00 0.00 0.00 MONTH TO DATE 0.00 0.13 -0.13 T SINCE OCT 1 8.68 15.00 -6.32 14.23 SINCE JAN 1 4.49 9.77 -5.28 11.04 DEGREE DAYS HEATING YESTERDAY 0 0 0 0 MONTH TO DATE 13 32 -19 2 SINCE JUN 1 13 32 -19 2 SINCE JUL 1 2362 2706 -344 2209 COOLING YESTERDAY 9 6 3 6 MONTH TO DATE 59 107 -48 171 SINCE JUN 1 59 107 -48 171 SINCE JAN 1 116 159 -43 215 ................................................................... WIND (MPH) RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION W (290) HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION W (280) HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION W (280) AVERAGE WIND SPEED 5.6 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.0 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 83 4:00 AM LOWEST 24 1:00 PM AVERAGE 54 .......................................................... THE LIVERMORE AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 86 109 2009 MINIMUM TEMPERATURE (F) 55 41 1964 SUNRISE AND SUNSET JUNE 28 2025..........SUNRISE 5:48 AM PDT SUNSET 8:33 PM PDT JUNE 29 2025..........SUNRISE 5:49 AM PDT SUNSET 8:33 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$