


Climatological Report (Monthly)
Issued by NWS
Issued by NWS
468 CXUS53 KABR 011412 CLM8D3 CLIMATE REPORT NATIONAL WEATHER SERVICE ABERDEEN SD 912 AM CDT WED OCT 01 2025 ................................... ...THE SISSETON SD CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2025... CLIMATE NORMAL PERIOD 1991 TO 2020 CLIMATE RECORD PERIOD 1932 TO 2025 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) RECORD HIGH 102 09/08/1959 LOW 22 09/26/1965 09/21/1934 HIGHEST 93 09/29 MM MM 91 09/29 LOWEST 33 09/07 MM MM 40 09/22 AVG. MAXIMUM 77.3 73.5 3.8 82.1 AVG. MINIMUM 51.8 48.0 3.8 53.8 MEAN 64.6 60.8 3.8 67.9 DAYS MAX >= 90 1 1.8 -0.8 3 DAYS MAX <= 32 0 0.0 0.0 0 DAYS MIN <= 32 0 1.0 -1.0 0 DAYS MIN <= 0 0 0.0 0.0 0 PRECIPITATION (INCHES) RECORD MAXIMUM 6.65 2004 MINIMUM T 1998 TOTALS 3.02 2.45 0.57 0.09 DAYS >= .01 12 8.4 3.6 4 DAYS >= .10 5 4.4 0.6 0 DAYS >= .50 3 1.9 1.1 0 DAYS >= 1.00 1 0.6 0.4 0 SNOWFALL (INCHES) RECORDS TOTAL 4.0 1942 SNOW DEPTH MM MM TOTALS 0.0 0.0 0.0 0.0 SINCE 7/1 0.0 0.0 0.0 MM SNOWDEPTH AVG. 0 0 DAYS >= TRACE 0 0.0 0.0 0 DAYS >= 1.0 0 0.0 0.0 0 GREATEST SNOW DEPTH 0 0 MM DEGREE DAYS HEATING TOTAL 77 180 -103 43 SINCE 7/1 108 219 -111 MM COOLING TOTAL 69 53 16 138 SINCE 1/1 587 562 25 MM FREEZE DATES RECORD EARLIEST MM LATEST MM EARLIEST MM LATEST 04/29 ................................................................ WIND (MPH) AVERAGE WIND SPEED 6.7 RESULTANT WIND SPEED/DIRECTION 1/210 HIGHEST WIND SPEED/DIRECTION 39/310 DATE 09/04 HIGHEST GUST SPEED/DIRECTION 56/320 DATE 09/04 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.00 NUMBER OF DAYS FAIR 30 NUMBER OF DAYS PC 0 NUMBER OF DAYS CLOUDY 0 AVERAGE RH (PERCENT) 74 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 0 MIXED PRECIP 0 HEAVY RAIN 0 RAIN 1 LIGHT RAIN 3 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 0 SLEET 0 FOG 0 FOG W/VIS <= 1/4 MILE 0 HAZE 0 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$