Climatological Report (Monthly) Issued by NWS Spokane, WA
000
CXUS46 KOTX 010840
CLMLWS
CLIMATE REPORT
NATIONAL WEATHER SERVICE SPOKANE WA
140 AM PDT MON MAY 01 2023
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...THE LEWISTON ID AIRPORT CLIMATE SUMMARY FOR THE MONTH OF APRIL 2023...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1881 TO 2023
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
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TEMPERATURE (F)
RECORD
HIGH 98 04/28/1939
LOW 20 04/19/1966
HIGHEST 89 04/29 MM MM 75 04/07
LOWEST 29 04/05 MM MM 27 04/15
AVG. MAXIMUM 62.6 62.3 0.3 57.4
AVG. MINIMUM 39.9 40.7 -0.8 37.3
MEAN 51.3 51.5 -0.3 47.3
DAYS MAX >= 90 0 0.0 0.0 0
DAYS MAX <= 32 0 0.0 0.0 0
DAYS MIN <= 32 4 2.4 1.6 6
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 3.29 1978
MINIMUM 0.05 2021
TOTALS 1.03 1.44 -0.41 1.96
DAILY AVG. 0.03 0.05 -0.02 0.07
DAYS >= .01 11 11.3 -0.3 13
DAYS >= .10 4 4.5 -0.5 5
DAYS >= .50 0 0.3 -0.3 1
DAYS >= 1.00 0 0.0 0.0 0
GREATEST
24 HR. TOTAL 0.25 04/11 TO 04/11 0.59
04/17 TO 04/18
SNOWFALL (INCHES)
RECORDS
TOTAL 1.1 1972
TOTALS T 0.0 0.0 0.6
SINCE 7/1 11.9 12.7 -0.8 MM
SNOWDEPTH AVG. 0 -1
DAYS >= 1.0 0 0.0 0.0 0
GREATEST
SNOW DEPTH 0 MM MM
24 HR TOTAL MM 0.6
DEGREE DAYS
HEATING TOTAL 417 407 10 521
SINCE 7/1 4819 4732 87 MM
COOLING TOTAL 11 2 9 0
SINCE 1/1 11 2 9 MM
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WIND (MPH)
AVERAGE WIND SPEED 6.4
HIGHEST WIND SPEED/DIRECTION 35/300 DATE 04/16
HIGHEST GUST SPEED/DIRECTION 43/290 DATE 04/16
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.47
NUMBER OF DAYS FAIR 11
NUMBER OF DAYS PC 13
NUMBER OF DAYS CLOUDY 6
AVERAGE RH (PERCENT) 56
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 0 RAIN 3
LIGHT RAIN 12 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 3 FOG W/VIS <= 1/4 MILE 0
HAZE 2
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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