


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
549 CDUS43 KDMX 010802 CLIOTM CLIMATE REPORT NATIONAL WEATHER SERVICE DES MOINES IA 302 AM CDT MON SEP 01 2025 ................................... ...THE OTTUMWA IA CLIMATE SUMMARY FOR AUGUST 31 2025... CLIMATE NORMAL PERIOD 1991 TO 2020 CLIMATE RECORD PERIOD 1920 TO 2025 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 79 MM 98 1947 82 -3 81 2000 MINIMUM 60 MM 43 1967 59 1 53 AVERAGE 70 70 0 67 PRECIPITATION (IN) YESTERDAY T 1.77 1989 0.15 -0.15 0.00 MONTH TO DATE 2.16 4.44 -2.28 2.00 SINCE JUN 1 11.10 13.69 -2.59 11.16 SINCE JAN 1 16.57 27.13 -10.56 27.97 DEGREE DAYS HEATING YESTERDAY 0 1 -1 0 MONTH TO DATE 11 3 8 8 SINCE JUN 1 18 22 -4 9 SINCE JUL 1 11 5 6 8 COOLING YESTERDAY 5 6 -1 2 MONTH TO DATE 224 255 -31 220 SINCE JUN 1 825 785 40 752 SINCE JAN 1 876 863 13 810 ................................................................... WIND (MPH) HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION SE (150) HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION E (99) AVERAGE WIND SPEED 6.9 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 97 500 AM LOWEST 52 100 PM AVERAGE 75 .......................................................... THE OTTUMWA IA CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 82 100 1984 MINIMUM TEMPERATURE (F) 58 42 1949 SUNRISE AND SUNSET SEPTEMBER 1 2025.....SUNRISE 637 AM CDT SUNSET 742 PM CDT SEPTEMBER 2 2025.....SUNRISE 638 AM CDT SUNSET 740 PM CDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$