CDUS46 KMTR 190831 CLISTS CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 131 AM PDT TUE AUG 19 2025 ................................... ...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR AUGUST 18 2025... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1998 TO 2025 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 84 2:52 PM 102 2020 84 0 83 MINIMUM 47 6:05 AM 45 2000 52 -5 51 AVERAGE 66 68 -2 67 PRECIPITATION (IN) YESTERDAY 0.00 0.01 2010 0.00 0.00 0.00 MONTH TO DATE T 0.01 -0.01 0.00 SINCE OCT 1 41.12 33.61 7.51 36.97 SINCE JAN 1 15.53 21.62 -6.09 25.41 DEGREE DAYS HEATING YESTERDAY 0 0 MONTH TO DATE 0 0 SINCE JUN 1 61 13 SINCE JUL 1 17 5 COOLING YESTERDAY 1 2 MONTH TO DATE 91 98 SINCE JUN 1 174 428 SINCE JAN 1 211 457 ................................................................... WIND (MPH) RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION S (180) HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SE (140) HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION S (160) AVERAGE WIND SPEED 3.5 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 97 6:00 AM LOWEST 32 2:00 PM AVERAGE 65 .......................................................... THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 84 97 2020 MINIMUM TEMPERATURE (F) 52 47 2012 SUNRISE AND SUNSET AUGUST 19 2025........SUNRISE 6:30 AM PDT SUNSET 7:59 PM PDT AUGUST 20 2025........SUNRISE 6:30 AM PDT SUNSET 7:58 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$