Dark mode
Light mode12:20am 14/06/2026 to 12:20am 16/06/2026
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
10m
4.2 mm
1:40pm 15/06/2026
1:50pm 15/06/2026
1 in 1.1 years
89.8 %
20m
6.6 mm
1:30pm 15/06/2026
1:50pm 15/06/2026
1 in 1.2 years
80.96 %
30m
8.2 mm
1:20pm 15/06/2026
1:50pm 15/06/2026
1 in 1.3 years
77.03 %
60m
10.0 mm
1:00pm 15/06/2026
2:00pm 15/06/2026
1 in 1.2 years
82.48 %
90m
15.2 mm
12:30pm 15/06/2026
2:00pm 15/06/2026
1 in 1.6 years
62.62 %
120m
15.4 mm
12:10pm 15/06/2026
2:10pm 15/06/2026
1 in 1.5 years
68.09 %
3h
15.4 mm
11:10am 15/06/2026
2:10pm 15/06/2026
1 in 1.3 years
77.37 %
4h
16.4 mm
12:20pm 15/06/2026
4:50pm 15/06/2026
1 in 1.2 years
81.06 %
6h
16.4 mm
10:50am 15/06/2026
4:50pm 15/06/2026
1 in 1.2 years
86.95 %
9h
20.4 mm
5:10am 15/06/2026
2:10pm 15/06/2026
1 in 1.3 years
76.4 %
12h
21.4 mm
4:50am 15/06/2026
4:50pm 15/06/2026
1 in 1.3 years
77.3 %
18h
21.4 mm
10:50pm 14/06/2026
4:50pm 15/06/2026
1 in 1.2 years
83.53 %
24h
21.4 mm
4:50pm 14/06/2026
4:50pm 15/06/2026
1 in 1.1 years
87.01 %
30h
21.4 mm
10:50am 14/06/2026
4:50pm 15/06/2026
1 in 1.1 years
88.33 %
36h
21.4 mm
4:50am 14/06/2026
4:50pm 15/06/2026
1 in 1.1 years
89.55 %
48h
21.4 mm
12:20am 14/06/2026
12:20am 16/06/2026
1 in 1.1 years
91.29 %
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
