Climatological Report (Annual)
Issued by NWS Spokane, WA
Issued by NWS Spokane, WA
618
CXUS56 KOTX 011227
CLALWS
CLIMATE REPORT
NATIONAL WEATHER SERVICE SPOKANE WA
417 AM PST MON JAN 01 2024
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...THE LEWISTON ID AIRPORT CLIMATE SUMMARY FOR THE YEAR OF 2023...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1881 TO 2023
WEATHER OBSERVED NORMAL DEPART
VALUE DATE(S) VALUE FROM
NORMAL
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TEMPERATURE (F)
RECORD
HIGH 117 07/27/1939
LOW -23 12/13/1919
HIGHEST 109 08/15
LOWEST 10 01/30
AVG. MAXIMUM 66.1 64.2 1.9
AVG. MINIMUM 45.2 43.3 1.9
MEAN 55.7 53.8 1.9
DAYS MAX >= 90 61 44.1 16.9
DAYS MAX <= 32 6 12.3 -6.3
DAYS MIN <= 32 81 79.8 1.2
DAYS MIN <= 0 0 0.3 -0.3
PRECIPITATION (INCHES)
RECORD
MAXIMUM 21.76 1884
MINIMUM 7.73 2007
TOTALS 10.81 12.87 -2.06
DAILY AVG. 0.03 0.04 -0.01
DAYS >= .01 104 106.2 -2.2
DAYS >= .10 31 41.4 -10.4
DAYS >= .50 3 3.4 -0.4
DAYS >= 1.00 0 0.2 -0.2
GREATEST
24 HR. TOTAL 0.89 06/09 TO 06/10
SNOWFALL (INCHES)
RECORDS
TOTAL 62.2 1916
TOTALS 3.2 12.7 -9.5
DAYS >= TRACE 16 11.0 5.0
DAYS >= 1.0 2 4.2 -2.2
GREATEST
24 HR TOTAL 0.0
DEGREE DAYS
HEATING TOTAL 4596 4980 -384
COOLING TOTAL 1321 913 408
FREEZE DATES
RECORD
EARLIEST 09/17/1965
LATEST 05/12/1985
EARLIEST 10/27
LATEST 04/20
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WIND (MPH)
AVERAGE WIND SPEED 5.3
HIGHEST WIND SPEED/DIRECTION 40/180 DATE 05/07
HIGHEST GUST SPEED/DIRECTION 50/180 DATE 05/07
SKY COVER
AVERAGE SKY COVER 0.38
AVERAGE RH (PERCENT) 57
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 18 MIXED PRECIP 2
HEAVY RAIN 7 RAIN 27
LIGHT RAIN 127 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 2
LIGHT SNOW 17 SLEET 1
FOG 76 FOG W/VIS <= 1/4 MILE 24
HAZE 49
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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