Climatological Report (Monthly)
Issued by NWS
Issued by NWS
000 CXUS56 KMTR 010900 CLMSTS CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 200 AM PDT SUN OCT 01 2023 ................................... ...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2023... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1998 TO 2023 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) RECORD HIGH 114 09/06/2022 LOW 37 09/30/2019 HIGHEST 93 09/11 114 09/06 LOWEST 46 09/27 46 09/01 09/17 AVG. MAXIMUM 79.8 83.4 -3.6 86.9 AVG. MINIMUM 52.2 49.6 2.6 52.6 MEAN 66.0 66.5 -0.5 69.8 DAYS MAX >= 90 1 7.8 -6.8 11 DAYS MAX <= 32 0 0.0 0.0 0 DAYS MIN <= 32 0 0.0 0.0 0 DAYS MIN <= 0 0 0.0 0.0 0 PRECIPITATION (INCHES) RECORD MAXIMUM 0.96 2022 MINIMUM 0.00 2012 TOTALS 0.17 0.96 DAILY AVG. 0.01 0.03 DAYS >= .01 3 4 DAYS >= .10 0 1 DAYS >= .50 0 1 DAYS >= 1.00 0 0 GREATEST 24 HR. TOTAL 0.16 09/25 TO 09/26 0.91 09/17 TO 09/18 DEGREE DAYS HEATING TOTAL 19 14 SINCE 7/1 29 MM COOLING TOTAL 57 164 SINCE 1/1 444 MM ................................................................ WIND (MPH) AVERAGE WIND SPEED 4.5 RESULTANT WIND SPEED/DIRECTION 3/180 HIGHEST WIND SPEED/DIRECTION 18/250 DATE 09/27 18/250 09/29 HIGHEST GUST SPEED/DIRECTION 26/250 DATE 09/27 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.45 NUMBER OF DAYS FAIR 7 NUMBER OF DAYS PC 21 NUMBER OF DAYS CLOUDY 2 AVERAGE RH (PERCENT) 71 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 0 MIXED PRECIP 0 HEAVY RAIN 0 RAIN 2 LIGHT RAIN 4 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 0 SLEET 0 FOG 24 FOG W/VIS <= 1/4 MILE 7 HAZE 9 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$