Climatological Report (Monthly)
Issued by NWS
Issued by NWS
465
CXUS56 KHNX 011301
CLMHJO
CLIMATE REPORT
NATIONAL WEATHER SERVICE HANFORD
601 AM PDT THU OCT 01 2026
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...THE HANFORD CA AIRPORT CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2026...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1898 TO 2026
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
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TEMPERATURE (F)
RECORD
HIGH 114 09/06/2022
LOW 41 09/30/2009
HIGHEST 105 09/10 MM 106 09/02
LOWEST 51 09/29 MM 58 09/15
MEAN 74.4 74.7 -0.3
DAYS MAX >= 90 14 20.0 -6.0 17
DAYS MIN <= 32 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 1.02 2025
MINIMUM MM
TOTALS T 0.04 -0.04
DAYS >= .01 0 0.5 -0.5 2
DAYS >= .10 0 0.1 -0.1 2
DAYS >= .50 0 0.0 0.0 1
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 289 297 -8 372
SINCE 1/1 2096 1798 298 MM
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WIND (MPH)
AVERAGE WIND SPEED 5.4
HIGHEST WIND SPEED/DIRECTION 22/320 DATE 09/12
HIGHEST GUST SPEED/DIRECTION 30/320 DATE 09/12
AVERAGE RH (PERCENT) 49
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 RAIN 0
HAIL 0 FOG 2
FOG W/VIS <= 1/4 MILE 0 HAZE 14
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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