Climatological Report (Annual)
Issued by NWS Rapid City, SD
Issued by NWS Rapid City, SD
000 CXUS53 KUNR 240447 CLAUNR CLIMATE REPORT NATIONAL WEATHER SERVICE RAPID CITY SD 947 PM MST SAT JAN 23 2021 ................................... ...THE EAST RAPID CITY SD CLIMATE SUMMARY FOR THE YEAR OF 2020... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1888 TO 2021 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) RECORD HIGH 107 07/12/1954 07/09/1954 LOW -34 02/11/1899 HIGHEST 102 08/23 93 09/15 09/05 LOWEST -3 01/15 -14 02/08 01/14 02/07 AVG. MAXIMUM 60.9 58.7 2.2 54.2 AVG. MINIMUM 38.6 37.4 1.2 35.2 MEAN 49.8 48.0 1.8 44.7 DAYS MAX >= 90 32 7 DAYS MAX <= 32 38 62 DAYS MIN <= 32 157 162 DAYS MIN <= 0 5 21 PRECIPITATION (INCHES) RECORD MAXIMUM 31.73 2019 MINIMUM 7.51 1936 TOTALS 16.18 19.79 -3.61 31.73 DAILY AVG. 0.04 0.05 -0.01 0.09 DAYS >= .01 111 136 DAYS >= .10 45 68 DAYS >= .50 6 17 DAYS >= 1.00 0 5 GREATEST 24 HR. TOTAL 1.08 09/07 TO 09/08 2.58 SNOWFALL (INCHES) RECORDS TOTAL 93.8 2009 24 HR TOTAL MM TOTALS 69.0 49.3 19.7 91.2 SINCE 7/1 18.7 13.8 4.9 MM DAYS >= 1.0 25 13.9 11.1 28 GREATEST 24 HR TOTAL 9.1 04/01 TO 04/02 15.7 11/29 TO 11/30 DEGREE DAYS HEATING TOTAL 6318 6860 -542 7720 COOLING TOTAL 861 664 197 469 FREEZE DATES RECORD EARLIEST MM LATEST MM EARLIEST 10/15 LATEST 05/10 ................................................................ WIND (MPH) AVERAGE WIND SPEED 8.9 HIGHEST WIND SPEED/DIRECTION 49/320 DATE 12/23 HIGHEST GUST SPEED/DIRECTION 71/330 DATE 12/23 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 41 MIXED PRECIP 3 HEAVY RAIN 5 RAIN 17 LIGHT RAIN 113 FREEZING RAIN 0 LT FREEZING RAIN 2 HAIL 11 HEAVY SNOW 0 SNOW 12 LIGHT SNOW 67 SLEET 6 FOG 17 FOG W/VIS <= 1/4 MILE 4 HAZE 0 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$