Climatological Report (Seasonal)
Issued by NWS Rapid City, SD
Issued by NWS Rapid City, SD
375 CXUS53 KUNR 100536 CLSRAP CLIMATE REPORT NATIONAL WEATHER SERVICE RAPID CITY SD 1036 PM MST WED DEC 09 2020 ................................... ...THE RAPID CITY AIRPORT SD CLIMATE SUMMARY FOR THE SEASON, FROM 9/1/2020 TO 11/30/2020... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1942 TO 2020 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) RECORD HIGH 104 09/05/2020 09/06/1978 09/04/1960 LOW -19 11/14/1959 HIGHEST 104R 09/05 92 09/02 LOWEST -7 10/26 -5 11/11 AVG. MAXIMUM 62.4 61.3 1.1 57.4 AVG. MINIMUM 31.9 34.0 -2.1 31.0 MEAN 47.1 47.7 -0.6 44.2 DAYS MAX >= 90 4 4 DAYS MAX <= 32 7 11 DAYS MIN <= 32 46 54 DAYS MIN <= 0 1 3 PRECIPITATION (INCHES) RECORD MAXIMUM 8.23 1998 MINIMUM 0.37 1952 TOTALS 2.20 3.24 -1.04 4.62 DAILY AVG. 0.02 0.04 -0.02 0.05 DAYS >= .01 17 31 DAYS >= .10 4 10 DAYS >= .50 1 3 DAYS >= 1.00 0 1 GREATEST 24 HR. TOTAL 0.96 09/07 TO 09/07 1.65 DEGREE DAYS HEATING TOTAL 1644 1638 6 1944 COOLING TOTAL 44 64 -20 59 ................................................................ WIND (MPH) AVERAGE WIND SPEED 9.7 HIGHEST WIND SPEED/DIRECTION 45/330 DATE 10/11 45/320 09/24 HIGHEST GUST SPEED/DIRECTION 67/330 DATE 10/14 AVERAGE RH (PERCENT) 56 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 0 MIXED PRECIP 0 HEAVY RAIN 0 RAIN 1 LIGHT RAIN 11 FREEZING RAIN 0 LT FREEZING RAIN 2 HAIL 0 HEAVY SNOW 0 SNOW 3 LIGHT SNOW 12 SLEET 0 FOG 11 FOG W/VIS <= 1/4 MILE 3 HAZE 8 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$