Climatological Report (Daily)
Issued by NWS
Issued by NWS
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253 CDUS46 KMTR 180826 CLILVK CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 126 AM PDT WED SEP 18 2024 ................................... ...THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 17 2024... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1930 TO 2024 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 74 1:00 PM 99 1991 85 -11 76 MINIMUM 54 2:35 AM 44 1959 55 -1 59 AVERAGE 64 70 -6 68 PRECIPITATION (IN) YESTERDAY 0.00 0.22 1940 0.00 0.00 0.00 MONTH TO DATE T 0.02 -0.02 T SINCE OCT 1 14.23 15.12 -0.89 21.14 SINCE JAN 1 11.04 9.89 1.15 11.22 DEGREE DAYS HEATING YESTERDAY 1 0 1 0 MONTH TO DATE 2 0 2 0 SINCE SEP 1 2 0 2 0 SINCE JUL 1 4 7 -3 10 COOLING YESTERDAY 0 6 -6 3 MONTH TO DATE 104 109 -5 94 SINCE SEP 1 104 109 -5 94 SINCE JAN 1 1026 735 291 822 ................................................................... WIND (MPH) RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION W (270) HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION W (280) HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION W (280) AVERAGE WIND SPEED 8.8 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.4 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 87 3:00 AM LOWEST 44 1:00 PM AVERAGE 66 .......................................................... THE LIVERMORE AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 85 103 1939 MINIMUM TEMPERATURE (F) 55 41 1978 SUNRISE AND SUNSET SEPTEMBER 18 2024.....SUNRISE 6:52 AM PDT SUNSET 7:09 PM PDT SEPTEMBER 19 2024.....SUNRISE 6:53 AM PDT SUNSET 7:08 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$