


Climatological Report (Monthly)
Issued by NWS Rapid City, SD
Issued by NWS Rapid City, SD
831 CXUS53 KUNR 011410 CLMRAP CLIMATE REPORT NATIONAL WEATHER SERVICE RAPID CITY SD 810 AM MDT SUN JUN 01 2025 ................................... ...THE RAPID CITY AIRPORT SD CLIMATE SUMMARY FOR THE MONTH OF MAY 2025... CLIMATE NORMAL PERIOD 1991 TO 2020 CLIMATE RECORD PERIOD 1942 TO 2025 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) RECORD HIGH 98 05/27/1969 LOW 19 05/03/1954 HIGHEST 95 05/11 88 05/17 LOWEST 33 05/17 30 05/01 05/04 AVG. MAXIMUM 70.1 66.5 3.6 68.4 AVG. MINIMUM 44.6 41.7 2.9 42.8 MEAN 57.4 54.1 3.3 55.6 DAYS MAX >= 90 2 0 DAYS MAX <= 32 0 0 DAYS MIN <= 32 0 3 DAYS MIN <= 0 0 0 PRECIPITATION (INCHES) RECORD MAXIMUM 8.18 1996 MINIMUM 0.33 1966 TOTALS 2.08 3.45 -1.37 1.68 DAILY AVG. 0.07 0.11 -0.04 0.05 DAYS >= .01 13 14 DAYS >= .10 5 8 DAYS >= .50 1 0 DAYS >= 1.00 0 0 GREATEST 24 HR. TOTAL 1.08 05/18 TO 05/19 0.40 DEGREE DAYS HEATING TOTAL 251 349 -98 288 SINCE 7/1 6415 7159 -744 MM COOLING TOTAL 24 11 13 5 SINCE 1/1 24 12 12 MM ................................................................ WIND (MPH) AVERAGE WIND SPEED 12.5 HIGHEST WIND SPEED/DIRECTION 55/320 DATE 05/16 HIGHEST GUST SPEED/DIRECTION 73/310 DATE 05/16 AVERAGE RH (PERCENT) 59 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 3 MIXED PRECIP 0 HEAVY RAIN 2 RAIN 6 LIGHT RAIN 12 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 1 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 0 SLEET 0 FOG 8 FOG W/VIS <= 1/4 MILE 2 HAZE 2 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$