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
3.8 mm
11:30pm 12/07/2026
11:45pm 12/07/2026
1 in 1 years
100.0 %
30m
7.2 mm
11:30pm 12/07/2026
12:00am 13/07/2026
1 in 1.0 years
99.31 %
45m
10.4 mm
11:15pm 12/07/2026
12:00am 13/07/2026
1 in 1.0 years
96.23 %
60m
12.4 mm
11:00pm 12/07/2026
12:00am 13/07/2026
1 in 1.1 years
94.46 %
90m
14.8 mm
10:30pm 12/07/2026
12:00am 13/07/2026
1 in 1.1 years
95.02 %
120m
16.4 mm
10:30pm 12/07/2026
12:30am 13/07/2026
1 in 1.0 years
96.23 %
3h
19.4 mm
10:30pm 12/07/2026
1:30am 13/07/2026
1 in 1.0 years
97.39 %
4h
24.4 mm
10:15pm 12/07/2026
2:45am 13/07/2026
1 in 1.0 years
96.69 %
6h
27.8 mm
10:00pm 12/07/2026
4:00am 13/07/2026
1 in 1.0 years
97.41 %
9h
31.8 mm
7:15pm 12/07/2026
4:15am 13/07/2026
1 in 1.0 years
98.76 %
12h
31.8 mm
4:15pm 12/07/2026
4:15am 13/07/2026
1 in 1.0 years
99.87 %
18h
31.8 mm
10:15am 12/07/2026
4:15am 13/07/2026
1 in 1 years
100.0 %
24h
31.8 mm
4:15am 12/07/2026
4:15am 13/07/2026
1 in 1 years
100.0 %
30h
40.2 mm
6:30pm 11/07/2026
12:30am 13/07/2026
1 in 1 years
100.0 %
36h
52.0 mm
4:00pm 11/07/2026
4:00am 13/07/2026
1 in 1.0 years
99.93 %
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
