


Climatological Report (Monthly)
Issued by NWS
Issued by NWS
741 CXUS56 KHNX 011301 CLMHJO CLIMATE REPORT NATIONAL WEATHER SERVICE HANFORD 601 AM PDT WED OCT 01 2025 ................................... ...THE HANFORD CA AIRPORT CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2025... CLIMATE NORMAL PERIOD 1991 TO 2020 CLIMATE RECORD PERIOD 1898 TO 2025 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) RECORD HIGH 114 09/06/2022 LOW 41 09/30/2009 HIGHEST 106 09/02 MM 108 09/09 LOWEST 58 09/15 MM 50 09/17 MEAN 77.3 74.7 2.6 DAYS MAX >= 90 17 20.0 -3.0 24 DAYS MIN <= 32 0 0.0 0.0 0 PRECIPITATION (INCHES) RECORD MAXIMUM 0.32 MM MINIMUM MM TOTALS 1.02 0.04 0.98 DAYS >= .01 2 0.5 1.5 0 DAYS >= .10 2 0.1 1.9 0 DAYS >= .50 1 0.0 1.0 0 DAYS >= 1.00 0 0.0 0.0 0 SNOWFALL (INCHES) RECORDS TOTAL MM MM TOTALS MM MM DEGREE DAYS HEATING TOTAL 0 4 -4 0 SINCE 7/1 0 1 -1 MM COOLING TOTAL 372 297 75 411 SINCE 1/1 1993 1798 195 MM ................................................................ WIND (MPH) AVERAGE WIND SPEED 5.4 HIGHEST WIND SPEED/DIRECTION 20/320 DATE 09/10 20/160 09/18 HIGHEST GUST SPEED/DIRECTION 30/170 DATE 09/18 AVERAGE RH (PERCENT) 56 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 0 RAIN 2 HAIL 0 FOG 5 FOG W/VIS <= 1/4 MILE 0 HAZE 18 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$