


Climatological Report (Monthly)
Issued by NWS
Issued by NWS
261 CXUS56 KOTX 011322 CLMDEW CLIMATE REPORT NATIONAL WEATHER SERVICE SPOKANE WA 622 AM PDT WED OCT 01 2025 ................................... ...THE DEER_PARK WA AIRPORT CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2025... CLIMATE NORMAL PERIOD 1991 TO 2020 CLIMATE RECORD PERIOD 9999 TO 9999 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) RECORD HIGH 100 09/02/2025 LOW 18 09/23/2000 HIGHEST 100R 09/02 MM MM 97 09/01 LOWEST 35 09/26 MM MM 25 09/30 AVG. MAXIMUM 81.2 74.0 7.2 80.4 AVG. MINIMUM 47.5 39.9 7.6 43.6 MEAN 64.3 57.0 7.3 62.0 DAYS MAX >= 90 4 1.5 2.5 6 DAYS MAX <= 32 0 0.0 0.0 0 DAYS MIN <= 32 0 4.3 -4.3 3 DAYS MIN <= 0 0 0.0 0.0 0 PRECIPITATION (INCHES) RECORD MAXIMUM 2.39 2013 MINIMUM T 1999 TOTALS 0.38 0.82 -0.44 0.02 DAILY AVG. 0.01 0.03 -0.02 0.00 DAYS >= .01 3 5.6 -2.6 2 DAYS >= .10 3 2.3 0.7 0 DAYS >= .50 0 0.3 -0.3 0 DAYS >= 1.00 0 0.0 0.0 0 GREATEST 24 HR. TOTAL 0.15 09/14 TO 09/14 0.01 DEGREE DAYS HEATING TOTAL 94 256 -162 136 SINCE 7/1 111 382 -271 MM COOLING TOTAL 81 14 67 55 SINCE 1/1 439 216 223 MM ................................................................ WIND (MPH) AVERAGE WIND SPEED 4.5 HIGHEST WIND SPEED/DIRECTION 21/210 DATE 09/25 HIGHEST GUST SPEED/DIRECTION 27/220 DATE 09/25 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.15 NUMBER OF DAYS FAIR 26 NUMBER OF DAYS PC 3 NUMBER OF DAYS CLOUDY 1 AVERAGE RH (PERCENT) 54 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 2 MIXED PRECIP 0 HEAVY RAIN 1 RAIN 1 LIGHT RAIN 3 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 0 SLEET 0 FOG 7 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. $$