Climatological Report (Monthly)
Issued by NWS
Issued by NWS
000 CXUS56 KMTR 010900 CLMCCR CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 200 AM PDT SUN OCT 01 2023 ................................... ...THE CONCORD AIRPORT CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2023... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1999 TO 2023 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) RECORD HIGH 112 MM LOW 1 09/04/2023 HIGHEST 91 09/09 112 09/05 09/11 09/06 LOWEST 1R 09/04 52 09/27 AVG. MAXIMUM 80.9 88.6 AVG. MINIMUM 56.2 60.3 MEAN 68.5 74.5 DAYS MAX >= 90 2 13 DAYS MAX <= 32 0 0 DAYS MIN <= 32 1 0 DAYS MIN <= 0 0 0 PRECIPITATION (INCHES) TOTALS 0.01 0.06 -0.05 0.17 DAILY AVG. 0.00 0.01 DAYS >= .01 1 3 DAYS >= .10 0 1 DAYS >= .50 0 0 DAYS >= 1.00 0 0 GREATEST 24 HR. TOTAL 0.01 09/30 TO 09/30 0.12 09/18 TO 09/18 DEGREE DAYS HEATING TOTAL 26 0 SINCE 7/1 30 MM COOLING TOTAL 131 292 SINCE 1/1 900 MM ................................................................ WIND (MPH) AVERAGE WIND SPEED 8.2 RESULTANT WIND SPEED/DIRECTION 6/240 HIGHEST WIND SPEED/DIRECTION 24/200 DATE 09/01 HIGHEST GUST SPEED/DIRECTION 32/190 DATE 09/01 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.16 NUMBER OF DAYS FAIR 24 NUMBER OF DAYS PC 5 NUMBER OF DAYS CLOUDY 1 AVERAGE RH (PERCENT) 60 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 0 MIXED PRECIP 0 HEAVY RAIN 0 RAIN 1 LIGHT RAIN 0 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 0 SLEET 0 FOG 2 FOG W/VIS <= 1/4 MILE 0 HAZE 6 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$