Climatological Report (Monthly)
Issued by NWS Spokane, WA
Issued by NWS Spokane, WA
786 CXUS46 KOTX 011420 CCA CLMLWS CLIMATE REPORT NATIONAL WEATHER SERVICE SPOKANE WA 719 AM PDT SAT JUN 01 2024 ................................... ...THE LEWISTON ID AIRPORT CLIMATE SUMMARY FOR THE MONTH OF MAY 2024... CLIMATE NORMAL PERIOD 1991 TO 2020 CLIMATE RECORD PERIOD 1881 TO 2024 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) RECORD HIGH 104 05/28/1934 LOW 23 05/01/1954 HIGHEST MM MM MM 95 05/20 LOWEST 35 05/01 MM MM 43 05/07 05/02 05/10 AVG. MAXIMUM 72.1 72.0 0.1 79.6 AVG. MINIMUM 47.5 48.1 -0.6 53.6 MEAN 59.8 60.0 -0.2 66.6 DAYS MAX >= 90 0 1.0 -1.0 5 DAYS MAX <= 32 0 0.0 0.0 0 DAYS MIN <= 32 0 0.0 0.0 0 DAYS MIN <= 0 0 0.0 0.0 0 PRECIPITATION (INCHES) RECORD MAXIMUM 3.78 1978 MINIMUM T 1924 TOTALS 0.79 1.69 -0.90 0.71 DAILY AVG. 0.03 0.05 -0.02 0.02 DAYS >= .01 6 10.6 -4.6 9 DAYS >= .10 1 5.6 -4.6 1 DAYS >= .50 1 0.6 0.4 0 DAYS >= 1.00 0 0.1 -0.1 0 GREATEST 24 HR. TOTAL 0.59 05/05 TO 05/06 0.44 SNOWFALL (INCHES) RECORDS TOTAL 0.3 1916 TOTALS 0.0 0.0 0.0 0.0 SINCE 7/1 13.3 12.7 0.6 MM SNOWDEPTH AVG. 0 0 DAYS >= 1.0 0 0.0 0.0 0 GREATEST SNOW DEPTH 0 0 MM 24 HR TOTAL MM MM DEGREE DAYS HEATING TOTAL 178 187 -9 66 SINCE 7/1 4544 4921 -377 MM COOLING TOTAL 23 34 -11 119 SINCE 1/1 23 36 -13 MM ................................................................ WIND (MPH) AVERAGE WIND SPEED 6.5 HIGHEST WIND SPEED/DIRECTION 31/290 DATE 05/17 HIGHEST GUST SPEED/DIRECTION 45/300 DATE 05/17 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.36 NUMBER OF DAYS FAIR 18 NUMBER OF DAYS PC 9 NUMBER OF DAYS CLOUDY 4 AVERAGE RH (PERCENT) 49 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 0 MIXED PRECIP 0 HEAVY RAIN 0 RAIN 0 LIGHT RAIN 13 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 1 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$ MAY 2024 BROUGHT NEAR NORMAL TEMPERATURES AND BELOW NORMAL PRECIPITATION TO SOUTHEAST WASHINGTON AND THE SOUTH IDAHO PANHANDLE. THE MONTH STARTED OFF ON A COOL AND SHOWERY NOTE WITH HIGH TEMPERATURES MAINLY IN THE 60S THROUGH THE 8TH. THE 4TH AND 5TH WAS ESPECIALLY COOL AND WET WITH RAIN AMOUNTS BETWEEN 0.50-0.75 INCHES COMMON. IN ADDITION, PULLMAN ONLY REACHED 48F FOR A HIGH TEMPERATURE ON THE 5TH. THEN TEMPERATURE RAPIDLY WARMED AS STRONG HIGH PRESSURE DEVELOPED WITH HIGH TEMPERATURES WARMING INTO THE UPPER 70S TO MID 80S FROM THE 10TH THROUGH THE 16TH. A DRY COLD FRONT THEN DELIVERED WINDY CONDITIONS WITH PEAK GUSTS ON THE 16TH OF 35-40 MPH AROUND RITZVILLE, PULLMAN, AND LEWISTON. ON THE 22ND COOL TEMPERATURES RETURNED WITH RAIN OVER THE REGION. THE PALOUSE AGAIN FAILED TO GET OUT OF THE 40S WITH PULLMAN REACHING 49F. NO RECORDS WERE SET DURING THE MONTH AT THE LEWISTON AIRPORT.