Climatological Report (Monthly)
Issued by NWS
Issued by NWS
000 CXUS56 KMTR 010900 CLMSJC CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 200 AM PDT SUN OCT 01 2023 ................................... ...THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2023... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1893 TO 2023 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) RECORD HIGH 109 09/06/2022 LOW 35 09/23/1903 09/30/1893 HIGHEST 87 09/08 109 09/06 LOWEST 53 09/28 54 09/17 AVG. MAXIMUM 80.2 80.7 -0.5 84.4 AVG. MINIMUM 58.8 57.2 1.6 61.2 MEAN 69.5 72.8 DAYS MAX >= 90 0 8 DAYS MAX <= 32 0 0 DAYS MIN <= 32 0 0 DAYS MIN <= 0 0 0 PRECIPITATION (INCHES) TOTALS 0.08 0.07 0.01 0.51 DAILY AVG. 0.00 0.00 -0.00 0.02 DAYS >= .01 1 1 DAYS >= .10 0 1 DAYS >= .50 0 1 DAYS >= 1.00 0 0 GREATEST 24 HR. TOTAL 0.08 09/30 TO 09/30 0.51 09/18 TO 09/18 DEGREE DAYS HEATING TOTAL 1 12 -11 0 SINCE 7/1 8 14 -6 MM COOLING TOTAL 140 130 10 237 SINCE 1/1 656 573 83 MM ................................................................ WIND (MPH) AVERAGE WIND SPEED 6.5 RESULTANT WIND SPEED/DIRECTION 3/330 HIGHEST WIND SPEED/DIRECTION 22/340 DATE 09/04 HIGHEST GUST SPEED/DIRECTION 28/340 DATE 09/16 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.31 NUMBER OF DAYS FAIR 19 NUMBER OF DAYS PC 10 NUMBER OF DAYS CLOUDY 1 AVERAGE RH (PERCENT) 63 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 0 MIXED PRECIP 0 HEAVY RAIN 0 RAIN 0 LIGHT RAIN 1 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 0 SLEET 0 FOG 1 FOG W/VIS <= 1/4 MILE 0 HAZE 9 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$