


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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779 CDUS46 KMTR 180837 CLISTS CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 137 AM PDT FRI APR 18 2025 ................................... ...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR APRIL 17 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 65 4:36 PM 84 2016 69 -4 77 MINIMUM 48 11:59 PM 33 2018 43 5 45 AVERAGE 57 56 1 61 PRECIPITATION (IN) YESTERDAY 0.00 0.28 2000 0.07 -0.07 T MONTH TO DATE 0.34 1.47 -1.13 0.90 SINCE OCT 1 40.86 31.38 9.48 36.15 SINCE JAN 1 15.27 19.39 -4.12 24.59 DEGREE DAYS HEATING YESTERDAY 8 4 MONTH TO DATE 137 168 SINCE MAR 1 524 545 SINCE JUL 1 2330 2197 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 (180) HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION S (200) HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION S (180) AVERAGE WIND SPEED 4.8 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.7 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 97 11:00 PM LOWEST 63 5:00 PM AVERAGE 80 .......................................................... THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 69 88 2021 MINIMUM TEMPERATURE (F) 43 34 2022 SUNRISE AND SUNSET APRIL 18 2025.........SUNRISE 6:30 AM PDT SUNSET 7:51 PM PDT APRIL 19 2025.........SUNRISE 6:29 AM PDT SUNSET 7:52 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$