Climatological Report (Monthly)
Issued by NWS
Issued by NWS
239
CXUS56 KHNX 011301
CLMHJO
CLIMATE REPORT
NATIONAL WEATHER SERVICE HANFORD
601 AM PDT MON JUN 01 2026
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...THE HANFORD CA AIRPORT CLIMATE SUMMARY FOR THE MONTH OF MAY 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 107 05/30/1984
LOW 30 05/26/1917
05/18/1917
HIGHEST 99 05/12 MM 102 05/31
LOWEST 44 05/18 MM 47 05/14
MEAN 70.3 69.2 1.1
DAYS MAX >= 90 11 8.6 2.4 10
DAYS MIN <= 32 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 2.06 1906
MINIMUM 0.00
TOTALS 0.01 0.35 -0.34
DAYS >= .01 1 2.5 -1.5 0
DAYS >= .10 0 1.0 -1.0 0
DAYS >= .50 0 0.2 -0.2 0
DAYS >= 1.00 0 0.0 0.0 0
SNOWFALL (INCHES)
RECORDS
TOTAL MM MM
TOTALS MM MM
DEGREE DAYS
HEATING TOTAL 18 32 -14 10
SINCE 7/1 1923 2417 -494 MM
COOLING TOTAL 193 162 31 198
SINCE 1/1 297 207 90 MM
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WIND (MPH)
AVERAGE WIND SPEED 6.8
HIGHEST WIND SPEED/DIRECTION 28/330 DATE 05/17
HIGHEST GUST SPEED/DIRECTION 38/320 DATE 05/17
AVERAGE RH (PERCENT) 51
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM MM RAIN MM
HAIL MM FOG 1
FOG W/VIS <= 1/4 MILE MM HAZE 5
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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