Climatological Report (Annual)
Issued by NWS Spokane, WA
Issued by NWS Spokane, WA
000 CXUS56 KOTX 011343 CLALWS CLIMATE REPORT NATIONAL WEATHER SERVICE SPOKANE WA 520 AM PST SAT JAN 01 2022 ................................... ...THE LEWISTON ID AIRPORT CLIMATE SUMMARY FOR THE YEAR OF 2021... CLIMATE NORMAL PERIOD 1991 TO 2020 CLIMATE RECORD PERIOD 1881 TO 2021 WEATHER OBSERVED NORMAL DEPART VALUE DATE(S) VALUE FROM NORMAL ................................................ TEMPERATURE (F) RECORD HIGH 117 07/27/1939 LOW -23 12/13/1919 HIGHEST 115 06/29 LOWEST 5 12/31 AVG. MAXIMUM 66.7 64.2 2.5 AVG. MINIMUM 45.0 43.3 1.7 MEAN 55.8 53.8 2.0 DAYS MAX >= 90 70 44.1 25.9 DAYS MAX <= 32 10 12.3 -2.3 DAYS MIN <= 32 70 79.8 -9.8 DAYS MIN <= 0 0 0.3 -0.3 PRECIPITATION (INCHES) RECORD MAXIMUM 21.76 1884 MINIMUM 7.73 2007 TOTALS 8.62 12.87 -4.25 DAILY AVG. 0.02 0.04 -0.02 DAYS >= .01 97 106.2 -9.2 DAYS >= .10 30 41.4 -11.4 DAYS >= .50 1 3.4 -2.4 DAYS >= 1.00 0 0.2 -0.2 GREATEST 24 HR. TOTAL 0.51 12/30 TO 12/31 SNOWFALL (INCHES) RECORDS TOTAL 62.2 1916 TOTALS 22.2 12.7 9.5 DAYS >= TRACE 26 11.0 15.0 DAYS >= 1.0 7 4.2 2.8 GREATEST 24 HR TOTAL 10.8 DEGREE DAYS HEATING TOTAL 4587 4980 -393 COOLING TOTAL 1378 913 465 FREEZE DATES RECORD EARLIEST 09/17/1965 LATEST 05/12/1985 EARLIEST 10/12 LATEST 04/12 ................................................ WIND (MPH) AVERAGE WIND SPEED 5.7 HIGHEST WIND SPEED/DIRECTION 43/250 DATE 04/10 HIGHEST GUST SPEED/DIRECTION 53/250 DATE 03/28 SKY COVER AVERAGE SKY COVER 0.38 AVERAGE RH (PERCENT) 53 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 9 MIXED PRECIP 0 HEAVY RAIN 4 RAIN 15 LIGHT RAIN 109 FREEZING RAIN 0 LT FREEZING RAIN 2 HAIL 0 HEAVY SNOW 3 SNOW 7 LIGHT SNOW 27 SLEET 0 FOG 77 FOG W/VIS <= 1/4 MILE 31 HAZE 89 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$