7:40pm 04/05/2026 to 7:40pm 06/05/2026
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
6.0 mm
7:00pm 06/05/2026
7:10pm 06/05/2026
1 in 1.2 years
82.83 %
20m
8.4 mm
7:00pm 06/05/2026
7:20pm 06/05/2026
1 in 1.2 years
82.95 %
30m
11.4 mm
7:00pm 06/05/2026
7:30pm 06/05/2026
1 in 1.4 years
69.26 %
60m
13.2 mm
6:40pm 06/05/2026
7:40pm 06/05/2026
1 in 1.2 years
81.67 %
90m
13.6 mm
6:10pm 06/05/2026
7:40pm 06/05/2026
1 in 1.1 years
91.17 %
120m
13.6 mm
5:40pm 06/05/2026
7:40pm 06/05/2026
1 in 1.0 years
96.54 %
3h
13.6 mm
4:40pm 06/05/2026
7:40pm 06/05/2026
1 in 1.0 years
99.14 %
4h
13.6 mm
3:10pm 06/05/2026
7:40pm 06/05/2026
1 in 1.0 years
99.96 %
6h
13.6 mm
1:40pm 06/05/2026
7:40pm 06/05/2026
1 in 1 years
100.0 %
9h
0.4 mm
9:40am 06/05/2026
6:40pm 06/05/2026
1 in 1 years
100.0 %
12h
13.6 mm
7:40am 06/05/2026
7:40pm 06/05/2026
1 in 1 years
100.0 %
18h
13.6 mm
1:40am 06/05/2026
7:40pm 06/05/2026
1 in 1 years
100.0 %
24h
13.6 mm
7:40pm 05/05/2026
7:40pm 06/05/2026
1 in 1 years
100.0 %
30h
13.6 mm
1:40pm 05/05/2026
7:40pm 06/05/2026
1 in 1 years
100.0 %
36h
13.6 mm
7:40am 05/05/2026
7:40pm 06/05/2026
1 in 1 years
100.0 %
48h
13.6 mm
7:40pm 04/05/2026
7:40pm 06/05/2026
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.