


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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101 CDUS46 KMTR 040832 CLILVK CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 132 AM PDT FRI APR 04 2025 ................................... ...THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR APRIL 3 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 64 2:41 PM 85 2000 67 -3 65 MINIMUM 37 6:05 AM 31 1945 43 -6 47 AVERAGE 51 55 -4 56 PRECIPITATION (IN) YESTERDAY 0.00 1.80 1958 0.05 -0.05 0.00 MONTH TO DATE 0.19 0.16 0.03 0.00 SINCE OCT 1 8.57 13.39 -4.82 12.35 SINCE JAN 1 4.38 8.16 -3.78 9.16 DEGREE DAYS HEATING YESTERDAY 14 10 4 9 MONTH TO DATE 45 30 15 23 SINCE MAR 1 402 388 14 360 SINCE JUL 1 2112 2329 -217 1937 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE MAR 1 1 0 1 0 SINCE JAN 1 1 0 1 0 ................................................................... WIND (MPH) RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION W (260) HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (270) HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION W (280) AVERAGE WIND SPEED 3.8 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.2 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 89 4:00 AM LOWEST 42 1:00 PM AVERAGE 66 .......................................................... THE LIVERMORE AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 67 87 1959 MINIMUM TEMPERATURE (F) 43 32 1945 2023 SUNRISE AND SUNSET APRIL 4 2025.........SUNRISE 6:48 AM PDT SUNSET 7:33 PM PDT APRIL 5 2025.........SUNRISE 6:46 AM PDT SUNSET 7:34 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$