Dark mode
Light mode 4:15am 11/07/2026 to 4:15am 13/07/2026
You can find out more about Design Rainfall and IFD here.
Observations for this analysis :
Maximum observed rainfall by duration, estimated return period and AEP
Duration
Rainfall
Start
End
Years
AEP
15m
3.4 mm
9:45am 12/07/2026
10:00am 12/07/2026
1 in 1 years
100.0 %
30m
5.2 mm
8:30pm 11/07/2026
9:00pm 11/07/2026
1 in 1 years
100.0 %
45m
7.0 mm
8:30pm 11/07/2026
9:15pm 11/07/2026
1 in 1 years
100.0 %
60m
8.8 mm
8:30pm 11/07/2026
9:30pm 11/07/2026
1 in 1 years
100.0 %
90m
12.4 mm
8:30pm 11/07/2026
10:00pm 11/07/2026
1 in 1.0 years
99.34 %
120m
15.6 mm
8:30pm 11/07/2026
10:30pm 11/07/2026
1 in 1.0 years
97.84 %
3h
18.6 mm
8:00pm 11/07/2026
11:00pm 11/07/2026
1 in 1.0 years
98.74 %
4h
19.6 mm
7:45pm 11/07/2026
12:15am 12/07/2026
1 in 1 years
100.0 %
6h
22.8 mm
7:30pm 11/07/2026
1:30am 12/07/2026
1 in 1 years
100.0 %
9h
28.6 mm
5:30am 12/07/2026
2:30pm 12/07/2026
1 in 1 years
100.0 %
12h
35.2 mm
8:15pm 11/07/2026
8:15am 12/07/2026
1 in 1.0 years
99.81 %
18h
51.0 mm
8:30pm 11/07/2026
2:30pm 12/07/2026
1 in 1.0 years
95.62 %
24h
60.0 mm
8:15pm 11/07/2026
8:15pm 12/07/2026
1 in 1.1 years
93.72 %
30h
71.2 mm
8:00pm 11/07/2026
2:00am 13/07/2026
1 in 1.1 years
87.34 %
36h
75.6 mm
3:45pm 11/07/2026
3:45am 13/07/2026
1 in 1.1 years
89.38 %
Note: A '1 in 1.0 years' estimate means that it is almost certain to occur at least once in a year, and could occur much more than once per year on average. For smaller values like this the Annual Recurrance Interval (ARI) may be of more relevance, but it is complex to calculate for common events.
Install
