Climatological Report (Monthly)
Issued by NWS
Issued by NWS
768 CXUS56 KMTR 010838 CLMSFO CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 138 AM PDT TUE OCT 01 2024 ................................... ...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2024... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1927 TO 2024 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) RECORD HIGH 104 09/02/2017 09/01/2017 02/13/2353849 LOW 41 09/30/1950 HIGHEST 87 09/30 77 09/25 09/26 LOWEST 51 09/03 55 09/10 09/08 09/12 09/23 09/24 AVG. MAXIMUM 71.7 74.8 -3.1 73.3 AVG. MINIMUM 54.2 58.9 MEAN 63.0 65.3 -2.3 66.1 DAYS MAX >= 90 0 0 DAYS MAX <= 32 0 0 DAYS MIN <= 32 0 0 DAYS MIN <= 0 0 0 PRECIPITATION (INCHES) RECORD MAXIMUM 2.30 1959 MINIMUM 0.00 2021 TOTALS 0.00R 0.07 -0.07 0.03 DAILY AVG. 0.00 0.00 -0.00 0.00 DAYS >= .01 0 2 DAYS >= .10 0 0 DAYS >= .50 0 0 DAYS >= 1.00 0 0 GREATEST 24 HR. TOTAL 0.00 08/31 TO 08/31 0.02 09/30 TO 09/30 DEGREE DAYS HEATING TOTAL 74 46 28 6 SINCE 7/1 204 146 58 MM COOLING TOTAL 24 56 -32 48 SINCE 1/1 98 166 -68 MM ................................................................ WIND (MPH) AVERAGE WIND SPEED 11.5 RESULTANT WIND SPEED/DIRECTION 10/290 HIGHEST WIND SPEED/DIRECTION 38/280 DATE 09/11 HIGHEST GUST SPEED/DIRECTION 50/290 DATE 09/11 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.35 NUMBER OF DAYS FAIR 16 NUMBER OF DAYS PC 11 NUMBER OF DAYS CLOUDY 3 AVERAGE RH (PERCENT) 78 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 0 MIXED PRECIP 0 HEAVY RAIN 0 RAIN 0 LIGHT RAIN 0 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 0 SLEET 0 FOG 25 FOG W/VIS <= 1/4 MILE 1 HAZE 22 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$