


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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989 CDUS46 KMTR 190829 CLISTS CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 129 AM PDT SAT APR 19 2025 ................................... ...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR APRIL 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 68 2:44 PM 88 2021 69 -1 78 MINIMUM 47 11:59 PM 34 2022 43 4 45 AVERAGE 58 56 2 62 PRECIPITATION (IN) YESTERDAY 0.00 0.25 2004 0.07 -0.07 0.00 MONTH TO DATE 0.34 1.54 -1.20 0.90 SINCE OCT 1 40.86 31.45 9.41 36.15 SINCE JAN 1 15.27 19.46 -4.19 24.59 DEGREE DAYS HEATING YESTERDAY 7 3 MONTH TO DATE 144 171 SINCE MAR 1 531 548 SINCE JUL 1 2337 2200 COOLING YESTERDAY 0 0 MONTH TO DATE 0 0 SINCE MAR 1 2 0 SINCE JAN 1 2 0 ................................................................... WIND (MPH) RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION S (160) HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION S (180) HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION SE (140) AVERAGE WIND SPEED 4.1 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.5 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 100 12:00 AM LOWEST 63 3:00 PM AVERAGE 82 .......................................................... THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 70 90 2009 MINIMUM TEMPERATURE (F) 43 34 2008 SUNRISE AND SUNSET APRIL 19 2025.........SUNRISE 6:29 AM PDT SUNSET 7:52 PM PDT APRIL 20 2025.........SUNRISE 6:28 AM PDT SUNSET 7:53 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$