CDUS43 KFSD 160640 CLISUX CLIMATE REPORT NATIONAL WEATHER SERVICE SIOUX FALLS SD 1240 AM CST TUE DEC 16 2025 ................................... ...THE SIOUX CITY IA CLIMATE SUMMARY FOR DECEMBER 15 2025... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1889 TO 2025 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 40 2:35 PM 70 2021 33 7 38 MINIMUM 16 8:22 AM -20 1901 15 1 28 AVERAGE 28 24 4 33 PRECIPITATION (IN) YESTERDAY 0.00 0.96 2012 0.03 -0.03 0.00 MONTH TO DATE 0.44 0.50 -0.06 0.07 SINCE DEC 1 0.44 0.50 -0.06 0.07 SINCE JAN 1 27.37 28.78 -1.41 31.85 SNOWFALL (IN) YESTERDAY 0.0 3.6 1925 0.3 -0.3 0.0 1940 MONTH TO DATE 7.6 3.5 4.1 1.3 SINCE DEC 1 7.6 3.5 4.1 1.3 SINCE JUL 1 15.6 7.5 8.1 2.5 SNOW DEPTH 6 DEGREE DAYS HEATING YESTERDAY 37 41 -4 32 MONTH TO DATE 683 579 104 577 SINCE DEC 1 683 579 104 577 SINCE JUL 1 1858 2052 -194 1636 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE DEC 1 0 0 0 0 SINCE JAN 1 1019 865 154 858 ................................................................... WIND (MPH) HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION S (170) HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION S (180) AVERAGE WIND SPEED 6.2 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.0 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 96 11:00 PM LOWEST 62 3:00 PM AVERAGE 79 .......................................................... THE SIOUX CITY IA CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 33 64 1939 1962 MINIMUM TEMPERATURE (F) 15 -15 1989 SUNRISE AND SUNSET DECEMBER 16 2025......SUNRISE 7:49 AM CST SUNSET 4:54 PM CST DECEMBER 17 2025......SUNRISE 7:49 AM CST SUNSET 4:54 PM CST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$