


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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983 CDUS46 KMTR 120836 CLILVK CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 136 AM PDT MON MAY 12 2025 ................................... ...THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR MAY 11 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 69 1:25 PM 101 1934 74 -5 88 MINIMUM 51 5:16 AM 36 2010 49 2 53 AVERAGE 60 62 -2 71 PRECIPITATION (IN) YESTERDAY 0.00 0.57 1942 0.02 -0.02 0.00 MONTH TO DATE 0.00 0.25 -0.25 0.51 SINCE OCT 1 8.61 14.56 -5.95 14.23 SINCE JAN 1 4.42 9.33 -4.91 11.04 DEGREE DAYS HEATING YESTERDAY 5 4 1 0 MONTH TO DATE 31 57 -26 51 SINCE MAR 1 595 664 -69 600 SINCE JUL 1 2305 2605 -300 2177 COOLING YESTERDAY 0 1 -1 6 MONTH TO DATE 16 11 5 12 SINCE MAR 1 17 19 -2 17 SINCE JAN 1 17 19 -2 17 ................................................................... WIND (MPH) RESULTANT WIND SPEED 10 RESULTANT WIND DIRECTION W (280) HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION W (290) HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION W (280) AVERAGE WIND SPEED 10.6 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 77 10:00 PM LOWEST 35 2:00 PM AVERAGE 56 .......................................................... THE LIVERMORE AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 75 100 1976 MINIMUM TEMPERATURE (F) 49 38 1967 SUNRISE AND SUNSET MAY 12 2025...........SUNRISE 6:00 AM PDT SUNSET 8:08 PM PDT MAY 13 2025...........SUNRISE 5:59 AM PDT SUNSET 8:09 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$