CDUS46 KMTR 210826 CLILVK CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 126 AM PDT MON SEP 21 2026 ................................... ...THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 20 2026... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1930 TO 2026 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 70 3:41 PM 103 1936 85 -15 87 MINIMUM 56 3:26 AM 40 1968 55 1 58 AVERAGE 63 70 -7 73 PRECIPITATION (IN) YESTERDAY 0.00 0.04 2005 0.00 0.00 0.00 MONTH TO DATE 0.02 0.03 -0.01 0.03 SINCE OCT 1 12.23 15.13 -2.90 8.71 SINCE JAN 1 6.57 9.90 -3.33 4.52 DEGREE DAYS HEATING YESTERDAY 2 0 2 0 MONTH TO DATE 2 0 2 0 SINCE SEP 1 2 0 2 0 SINCE JUL 1 6 7 -1 0 COOLING YESTERDAY 0 5 -5 8 MONTH TO DATE 94 125 -31 152 SINCE SEP 1 94 125 -31 152 SINCE JAN 1 820 751 69 739 ................................................................... WIND (MPH) RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION NW (300) HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION W (280) HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION NW (300) AVERAGE WIND SPEED 6.9 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 93 3:00 AM LOWEST 59 4:00 PM AVERAGE 76 .......................................................... THE LIVERMORE AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 85 104 1943 MINIMUM TEMPERATURE (F) 54 40 1960 SUNRISE AND SUNSET SEPTEMBER 21 2026.....SUNRISE 6:54 AM PDT SUNSET 7:05 PM PDT SEPTEMBER 22 2026.....SUNRISE 6:55 AM PDT SUNSET 7:04 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$