


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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007 CDUS46 KMTR 170829 CLILVK CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 129 AM PDT SAT MAY 17 2025 ................................... ...THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR MAY 16 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 79 2:01 PM 101 1970 75 4 78 2008 MINIMUM 51 11:49 PM 36 1971 50 1 54 AVERAGE 65 62 3 66 PRECIPITATION (IN) YESTERDAY 0.00 0.52 1996 0.02 -0.02 0.00 MONTH TO DATE 0.07 0.35 -0.28 0.51 SINCE OCT 1 8.68 14.66 -5.98 14.23 SINCE JAN 1 4.49 9.43 -4.94 11.04 DEGREE DAYS HEATING YESTERDAY 0 4 -4 0 MONTH TO DATE 46 77 -31 52 SINCE MAR 1 610 684 -74 601 SINCE JUL 1 2320 2625 -305 2178 COOLING YESTERDAY 0 1 -1 1 MONTH TO DATE 16 16 0 19 SINCE MAR 1 17 24 -7 24 SINCE JAN 1 17 24 -7 24 ................................................................... WIND (MPH) RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION W (290) HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION W (280) HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION W (280) AVERAGE WIND SPEED 8.2 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 10:00 PM LOWEST 36 12:00 PM AVERAGE 60 .......................................................... THE LIVERMORE AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 75 104 2009 MINIMUM TEMPERATURE (F) 50 38 1943 SUNRISE AND SUNSET MAY 17 2025...........SUNRISE 5:56 AM PDT SUNSET 8:12 PM PDT MAY 18 2025...........SUNRISE 5:55 AM PDT SUNSET 8:13 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$