


Climatological Report (Monthly)
Issued by NWS
Issued by NWS
537 CXUS55 KPSR 011159 CLMIPL CLIMATE REPORT NATIONAL WEATHER SERVICE PHOENIX AZ 459 AM MST WED OCT 01 2025 ................................... ...THE IMPERIAL CA CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2025... CLIMATE NORMAL PERIOD 1991 TO 2020 CLIMATE RECORD PERIOD 1925 TO 2025 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE NORMAL .............................................................. TEMPERATURE (F) RECORD HIGH 121 09/05/2020 LOW 51 09/30/1930 HIGHEST 109 09/01 110 -1 LOWEST 68 09/11 62 6 09/13 AVG. MAXIMUM 99.2 102.2 -3.0 AVG. MINIMUM 75.9 72.2 3.7 MEAN 87.5 87.2 0.3 DAYS MAX >= 90 29 28.7 0.3 DAYS MAX >= 100 17 DAYS MAX >= 110 0 DAYS MIN <= 32 0 0.0 0.0 DAYS MIN >= 90 0 DEGREE DAYS HEATING TOTAL 0 0 0 SINCE 7/1 0 0 0 COOLING TOTAL 679 666 13 SINCE 1/1 3196 3779 -583 .............................................................. WIND (MPH) AVERAGE WIND SPEED 6.8 HIGHEST GUST SPEED/DIRECTION 64/150 DATE 09/18 AVERAGE RH (PERCENT) 43 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 4 HEAVY RAIN 1 RAIN 0 LIGHT RAIN 4 FOG W/VIS <= 1/4 MILE 0 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$