Climatological Report (Annual) Issued by NWS Spokane, WA
000
CXUS56 KOTX 010903 CCA
CLALWS
CLIMATE REPORT
NATIONAL WEATHER SERVICE SPOKANE WA
100 AM PST SUN JAN 01 2023
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...THE LEWISTON ID AIRPORT CLIMATE SUMMARY FOR THE YEAR OF 2022...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1881 TO 2022
WEATHER OBSERVED NORMAL DEPART
VALUE DATE(S) VALUE FROM
NORMAL
................................................
TEMPERATURE (F)
RECORD
HIGH 117 07/27/1939
LOW -23 12/13/1919
HIGHEST 108 07/29
LOWEST 01/01
AVG. MAXIMUM 63.9 64.2 -0.3
AVG. MINIMUM 43.2 43.3 -0.1
MEAN 53.6 53.8 -0.2
DAYS MAX >= 90 55 44.1 10.9
DAYS MAX <= 32 15 12.3 2.7
DAYS MIN <= 32 95 79.8 15.2
DAYS MIN <= 0 1 0.3 0.7
PRECIPITATION (INCHES)
RECORD
MAXIMUM 21.76 1884
MINIMUM 7.73 2007
TOTALS 15.70 12.87 2.83
DAILY AVG. 0.05 0.04 0.01
DAYS >= .01 108 106.2 1.8
DAYS >= .10 45 41.4 3.6
DAYS >= .50 8 3.4 4.6
DAYS >= 1.00 0 0.2 -0.2
GREATEST
24 HR. TOTAL 0.96 06/12 TO 06/13
SNOWFALL (INCHES)
RECORDS
TOTAL 62.2 1916
TOTALS 15.9 12.7 3.2
DAYS >= TRACE 22 11.0 11.0
DAYS >= 1.0 5 4.2 0.8
GREATEST
24 HR TOTAL 0.6
DEGREE DAYS
HEATING TOTAL 5186 4980 206
COOLING TOTAL 1150 913 237
FREEZE DATES
RECORD
EARLIEST 09/17/1965
LATEST 05/12/1985
EARLIEST 11/07
LATEST 04/17
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WIND (MPH)
AVERAGE WIND SPEED 5.3
HIGHEST WIND SPEED/DIRECTION MM DATE MM
HIGHEST GUST SPEED/DIRECTION 59/270 DATE 04/04
SKY COVER
AVERAGE SKY COVER 0.37
AVERAGE RH (PERCENT) 58
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 25 MIXED PRECIP 0
HEAVY RAIN 9 RAIN 31
LIGHT RAIN 114 FREEZING RAIN 0
LT FREEZING RAIN 2 HAIL 0
HEAVY SNOW 1 SNOW 6
LIGHT SNOW 28 SLEET 1
FOG 77 FOG W/VIS <= 1/4 MILE 18
HAZE 58
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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