Climatological Report (Annual)
Issued by NWS
Issued by NWS
441 CXUS53 KABR 011402 CLAATY CLIMATE REPORT NATIONAL WEATHER SERVICE ABERDEEN SD 717 AM CST FRI JAN 01 2021 ................................... ...THE WATERTOWN SD CLIMATE SUMMARY FOR THE YEAR OF 2020... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1898 TO 2020 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) RECORD HIGH 110 07/21/1934 LOW -40 01/13/1916 HIGHEST 93 06/07 MM MM 93 06/29 06/01 LOWEST -22 01/16 MM MM -34 01/30 02/13 AVG. MAXIMUM 54.7 53.6 1.1 49.4 AVG. MINIMUM 33.4 32.5 0.9 31.2 MEAN 44.1 43.0 1.1 40.3 DAYS MAX >= 90 9 9.1 -0.1 3 DAYS MAX <= 32 79 80.5 -1.5 108 DAYS MIN <= 32 185 174.9 10.1 178 DAYS MIN <= 0 24 34.9 -10.9 52 PRECIPITATION (INCHES) RECORD MAXIMUM 40.04 1977 MINIMUM 10.53 1976 TOTALS 19.48 22.08 -2.60 33.94 DAILY AVG. 0.05 0.06 -0.01 0.09 DAYS >= .01 82 93.8 -11.8 130 DAYS >= .10 45 48.0 -3.0 66 DAYS >= .50 14 13.7 0.3 22 DAYS >= 1.00 1 3.7 -2.7 10 SNOWFALL (INCHES) RECORDS TOTAL MM MM TOTALS 32.8 35.9 -3.1 79.7 SINCE 7/1 13.2 13.7 -0.5 MM DEGREE DAYS HEATING TOTAL 8211 8523 -312 9302 SINCE 7/1 3129 3458 -329 MM COOLING TOTAL 659 514 145 466 SINCE 1/1 659 515 144 466 ................................................................ WIND (MPH) AVERAGE WIND SPEED 10.3 HIGHEST WIND SPEED/DIRECTION 52/020 DATE 07/17 HIGHEST GUST SPEED/DIRECTION 75/030 DATE 07/17 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$