CXUS55 KOTX 120330 CLALWS CLIMATE REPORT NATIONAL WEATHER SERVICE SPOKANE, WA 729 PM PST SAT JAN 11 2020 ................................... ...THE LEWISTON ID AIRPORT CLIMATE SUMMARY FOR THE YEAR OF 2019... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1881 TO 2020 WEATHER OBSERVED NORMAL DEPART VALUE DATE(S) VALUE FROM NORMAL ................................................ TEMPERATURE (F) RECORD HIGH 117 07/27/1939 LOW -23 12/13/1919 HIGHEST 104 08/07 LOWEST 9 03/04 AVG. MAXIMUM 62.6 63.5 -0.9 AVG. MINIMUM 42.6 42.5 0.1 MEAN 52.6 53.0 -0.4 DAYS MAX >= 90 42 40.1 1.9 DAYS MAX <= 32 22 12.7 9.3 DAYS MIN <= 32 106 75.9 30.1 DAYS MIN <= 0 0 0.7 -0.7 PRECIPITATION (INCHES) RECORD MAXIMUM 21.76 1884 MINIMUM 7.73 2007 TOTALS 13.37 12.31 1.06 DAILY AVG. 0.04 0.03 0.01 DAYS >= .01 107 102.8 4.2 DAYS >= .10 41 39.7 1.3 DAYS >= .50 3 3.1 -0.1 DAYS >= 1.00 0 0.2 -0.2 GREATEST 24 HR. TOTAL 0.94 MM SNOWFALL (INCHES) RECORDS TOTAL 62.2 1916 TOTALS 34.6 10.5 24.1 DAYS >= TRACE 33 10.6 22.4 DAYS >= 1.0 10 3.9 6.1 GREATEST 24 HR TOTAL 5.9 MM DEGREE_DAYS HEATING TOTAL 5358 5167 191 COOLING TOTAL 964 807 157 FREEZE DATES RECORD EARLIEST 09/17/1965 LATEST 05/12/1985 EARLIEST 10/24 LATEST 04/07 ................................................. WIND (MPH) AVERAGE WIND SPEED 5.0 HIGHEST WIND SPEED/DIRECTION 38/220 DATE 07/23 HIGHEST GUST SPEED/DIRECTION 51/170 DATE 01/03 SKY COVER AVERAGE SKY COVER 0.40 AVERAGE RH (PERCENT) 59 WEATHER CONDITIONS. NUMBER OF DAYS WITH 0 20 0 0 7 0 32 HAZE 34 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$