


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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020 CDUS43 KDMX 030642 CLIMCW CLIMATE REPORT NATIONAL WEATHER SERVICE DES MOINES IA 142 AM CDT WED SEP 03 2025 ................................... ...THE MASON CITY IA CLIMATE SUMMARY FOR SEPTEMBER 2 2025... CLIMATE NORMAL PERIOD 1991 TO 2020 CLIMATE RECORD PERIOD 1893 TO 2025 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 79 144 PM 99 1925 78 1 75 MINIMUM 50 604 AM 34 1928 54 -4 43 AVERAGE 65 66 -1 59 PRECIPITATION (IN) YESTERDAY 0.30 2.54 2006 0.11 0.19 0.00 MONTH TO DATE 0.30 0.23 0.07 0.00 SINCE SEP 1 0.30 0.23 0.07 0.00 SINCE JAN 1 32.12 27.54 4.58 28.26 SNOWFALL (IN) YESTERDAY 0.0 MM MM 0.0 0.0 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 2 -2 6 MONTH TO DATE 1 4 -3 10 SINCE SEP 1 1 4 -3 10 SINCE JUL 1 31 40 -9 31 COOLING YESTERDAY 0 3 -3 0 MONTH TO DATE 0 6 -6 0 SINCE SEP 1 0 6 -6 0 SINCE JAN 1 638 545 93 519 ................................................................... WIND (MPH) HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION NW (310) HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION NW (310) AVERAGE WIND SPEED 6.9 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. THUNDERSTORM HEAVY RAIN LIGHT RAIN FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 100 100 AM LOWEST 54 100 PM AVERAGE 77 .......................................................... THE MASON CITY IA CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 78 98 2023 MINIMUM TEMPERATURE (F) 53 34 1974 SUNRISE AND SUNSET SEPTEMBER 3 2025.....SUNRISE 640 AM CDT SUNSET 744 PM CDT SEPTEMBER 4 2025.....SUNRISE 641 AM CDT SUNSET 742 PM CDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$