


Climatological Report (Monthly)
Issued by NWS
Issued by NWS
614 CXUS56 KSGX 010940 CLMTRM CLIMATE REPORT NATIONAL WEATHER SERVICE SAN DIEGO, CA 240 AM PDT WED OCT 01 2025 ................................... ...THE THERMAL AIRPORT CA CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2025... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1950 TO 2025 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) RECORD HIGH 123 09/01/1950 LOW 48 09/25/1993 HIGHEST 108 09/01 101 7 119 09/05 LOWEST 63 09/15 68 -5 61 09/22 AVG. MAXIMUM 99.0 101.5 -2.5 103.8 AVG. MINIMUM 72.3 68.2 4.1 71.5 MEAN 85.7 84.8 0.9 87.7 DAYS MAX >= 90 29 29.0 0.0 26 DAYS MAX <= 32 0 0.0 0.0 0 DAYS MAX >= 45 30 28 DAYS MAX >= 120 0 0 DAYS MIN <= 32 0 0.0 0.0 0 PRECIPITATION (INCHES) RECORD MAXIMUM 5.24 1976 MINIMUM 0.00 2023 TOTALS 0.25 0.32 -0.07 0.02 DAILY AVG. 0.01 0.01 -0.00 0.00 DAYS >= .01 1 1.3 -0.3 1 DAYS >= .10 1 0.7 0.3 0 DAYS >= .50 0 0.2 -0.2 0 DAYS >= 1.00 0 0.1 -0.1 0 DAYS >= %-5.2F 0 0 DAYS >= %-5.2F 0 0 GREATEST 24 HR. TOTAL 0.25 09/02 TO 09/02 0.02 09/20 TO 09/20 STORM TOTAL 0.25 0.02 (MM/DD(HH)) MM DEGREE DAYS HEATING TOTAL 0 0 0 0 SINCE 7/1 0 0 0 MM COOLING TOTAL 625 596 29 551 SINCE 1/1 3723 3552 171 MM FREEZE DATES RECORD EARLIEST 10/30/1971 LATEST 04/10/1999 EARLIEST MM LATEST 01/31 ................................................................ WIND (MPH) AVERAGE WIND SPEED 6.8 RESULTANT WIND SPEED/DIRECTION 2/340 HIGHEST WIND SPEED/DIRECTION 25/130 DATE 09/04 HIGHEST GUST SPEED/DIRECTION 46/140 DATE 09/04 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.06 NUMBER OF DAYS FAIR 29 NUMBER OF DAYS PC 1 NUMBER OF DAYS CLOUDY 0 AVERAGE RH (PERCENT) 46 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 0 MIXED PRECIP 0 HEAVY RAIN 1 RAIN 0 LIGHT RAIN 2 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 3 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$