


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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416 CDUS43 KDMX 190649 CLIMCW CLIMATE REPORT NATIONAL WEATHER SERVICE DES MOINES IA 149 AM CDT TUE AUG 19 2025 ................................... ...THE MASON CITY IA CLIMATE SUMMARY FOR AUGUST 18 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 83 226 PM 99 1936 80 3 82 1947 MINIMUM 66 1159 PM 42 1950 58 8 58 AVERAGE 75 69 6 70 PRECIPITATION (IN) YESTERDAY 2.48R 2.22 1942 0.12 2.36 0.00 MONTH TO DATE 3.73 2.23 1.50 1.06 SINCE JUN 1 20.68 12.05 8.63 11.87 SINCE JAN 1 31.38 25.75 5.63 27.73 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 JUN 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 1 -1 0 MONTH TO DATE 3 8 -5 13 SINCE JUN 1 19 57 -38 25 SINCE JUL 1 6 18 -12 16 COOLING YESTERDAY 10 5 5 5 MONTH TO DATE 116 98 18 76 SINCE JUN 1 574 452 122 421 SINCE JAN 1 601 490 111 438 ................................................................... WIND (MPH) HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SW (240) HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION W (270) AVERAGE WIND SPEED 7.3 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. THUNDERSTORM HEAVY RAIN RAIN LIGHT RAIN FOG FOG W/VISIBILITY <= 1/4 MILE RELATIVE HUMIDITY (PERCENT) HIGHEST 100 300 AM LOWEST 67 400 PM AVERAGE 84 .......................................................... THE MASON CITY IA CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 80 98 1983 MINIMUM TEMPERATURE (F) 57 40 2004 SUNRISE AND SUNSET AUGUST 19 2025........SUNRISE 624 AM CDT SUNSET 809 PM CDT AUGUST 20 2025........SUNRISE 625 AM CDT SUNSET 808 PM CDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$