


Climatological Report (Daily)
Issued by NWS
Issued by NWS
Versions:
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
911 CDUS43 KDMX 210632 CLIMCW CLIMATE REPORT NATIONAL WEATHER SERVICE DES MOINES IA 132 AM CDT THU AUG 21 2025 ................................... ...THE MASON CITY IA CLIMATE SUMMARY FOR AUGUST 20 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 83 305 PM 96 1916 80 3 74 1947 1972 MINIMUM 63 529 AM 35 1950 57 6 51 AVERAGE 73 68 5 63 PRECIPITATION (IN) YESTERDAY 0.00 2.31 1913 0.12 -0.12 0.00 MONTH TO DATE 3.73 2.47 1.26 1.06 SINCE JUN 1 20.68 12.29 8.39 11.87 SINCE JAN 1 31.38 25.99 5.39 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 2 MONTH TO DATE 3 10 -7 15 SINCE JUN 1 19 59 -40 27 SINCE JUL 1 6 20 -14 18 COOLING YESTERDAY 8 4 4 0 MONTH TO DATE 134 106 28 77 SINCE JUN 1 592 460 132 422 SINCE JAN 1 619 498 121 439 ................................................................... WIND (MPH) HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NE (30) HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION NE (30) AVERAGE WIND SPEED 5.0 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. FOG FOG W/VISIBILITY <= 1/4 MILE RELATIVE HUMIDITY (PERCENT) HIGHEST 100 400 AM LOWEST 58 400 PM AVERAGE 79 .......................................................... THE MASON CITY IA CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 80 100 1947 MINIMUM TEMPERATURE (F) 57 36 2004 SUNRISE AND SUNSET AUGUST 21 2025........SUNRISE 626 AM CDT SUNSET 806 PM CDT AUGUST 22 2025........SUNRISE 627 AM CDT SUNSET 804 PM CDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$