141 CDUS43 KDMX 170644 CLIALO CLIMATE REPORT NATIONAL WEATHER SERVICE DES MOINES IA 144 AM CDT WED SEP 17 2025 ................................... ...THE WATERLOO IA CLIMATE SUMMARY FOR SEPTEMBER 16 2025... CLIMATE NORMAL PERIOD 1991 TO 2020 CLIMATE RECORD PERIOD 1895 TO 2025 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 90 146 PM 97 1931 77 13 90 MINIMUM 63 1159 PM 31 1984 52 11 62 AVERAGE 77 65 12 76 PRECIPITATION (IN) YESTERDAY 0.36 2.60 1921 0.10 0.26 0.00 MONTH TO DATE 0.47 1.74 -1.27 0.10 SINCE SEP 1 0.47 1.74 -1.27 0.10 SINCE JAN 1 31.13 28.84 2.29 33.75 SNOWFALL (IN) YESTERDAY MM MM MM 0.0 MM 0.0 MONTH TO DATE 0.0 0.0 0.0 0.0 SINCE SEP 1 0.0 0.0 0.0 0.0 SINCE JUL 1 0.0 0.0 0.0 0.0 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 0 4 -4 0 MONTH TO DATE 50 33 17 16 SINCE SEP 1 50 33 17 16 SINCE JUL 1 65 46 19 22 COOLING YESTERDAY 12 3 9 11 MONTH TO DATE 77 67 10 68 SINCE SEP 1 77 67 10 68 SINCE JAN 1 884 873 11 890 ................................................................... WIND (MPH) HIGHEST WIND SPEED 38 HIGHEST WIND DIRECTION E (70) HIGHEST GUST SPEED 57 HIGHEST GUST DIRECTION NE (50) AVERAGE WIND SPEED 7.7 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. THUNDERSTORM HEAVY RAIN RAIN LIGHT RAIN HAZE RELATIVE HUMIDITY (PERCENT) HIGHEST 93 400 AM LOWEST 48 200 PM AVERAGE 71 .......................................................... THE WATERLOO IA CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 77 95 1925 1988 MINIMUM TEMPERATURE (F) 52 32 1916 SUNRISE AND SUNSET SEPTEMBER 17 2025.....SUNRISE 652 AM CDT SUNSET 715 PM CDT SEPTEMBER 18 2025.....SUNRISE 653 AM CDT SUNSET 713 PM CDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$