Dark mode
Light mode 5:30am 13/06/2026 to 5:30am 15/06/2026
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
7.5 mm
1:15am 15/06/2026
1:30am 15/06/2026
1 in 1.0 years
99.25 %
30m
10.5 mm
1:00am 15/06/2026
1:30am 15/06/2026
1 in 1.0 years
98.95 %
45m
13.5 mm
12:45am 15/06/2026
1:30am 15/06/2026
1 in 1.0 years
98.27 %
60m
19.0 mm
12:30am 15/06/2026
1:30am 15/06/2026
1 in 1.1 years
90.96 %
90m
22.5 mm
12:15am 15/06/2026
1:45am 15/06/2026
1 in 1.1 years
90.13 %
120m
25.5 mm
12:30am 15/06/2026
2:30am 15/06/2026
1 in 1.1 years
89.31 %
3h
29.5 mm
12:15am 15/06/2026
3:15am 15/06/2026
1 in 1.1 years
89.88 %
4h
30.5 mm
11:00pm 14/06/2026
3:30am 15/06/2026
1 in 1.0 years
95.67 %
6h
31.0 mm
10:00pm 14/06/2026
4:00am 15/06/2026
1 in 1.0 years
98.02 %
9h
34.0 mm
7:00pm 14/06/2026
4:00am 15/06/2026
1 in 1.0 years
98.67 %
12h
34.5 mm
5:30pm 14/06/2026
5:30am 15/06/2026
1 in 1.0 years
99.41 %
18h
35.0 mm
10:00am 14/06/2026
4:00am 15/06/2026
1 in 1.0 years
99.9 %
24h
35.5 mm
5:30am 14/06/2026
5:30am 15/06/2026
1 in 1 years
100.0 %
30h
35.5 mm
11:30pm 13/06/2026
5:30am 15/06/2026
1 in 1 years
100.0 %
36h
35.5 mm
5:30pm 13/06/2026
5:30am 15/06/2026
1 in 1 years
100.0 %
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
