5:40am 09/11/2025 to 5:40am 11/11/2025
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
2.2 mm
10:10pm 09/11/2025
10:20pm 09/11/2025
1 in 1 years
100.0 %
20m
3.0 mm
10:10pm 09/11/2025
10:30pm 09/11/2025
1 in 1 years
100.0 %
30m
3.6 mm
10:00pm 09/11/2025
10:30pm 09/11/2025
1 in 1 years
100.0 %
60m
4.0 mm
4:40am 11/11/2025
5:40am 11/11/2025
1 in 1 years
100.0 %
90m
4.2 mm
4:10am 11/11/2025
5:40am 11/11/2025
1 in 1 years
100.0 %
120m
4.2 mm
3:40am 11/11/2025
5:40am 11/11/2025
1 in 1 years
100.0 %
3h
4.0 mm
9:50pm 09/11/2025
12:50am 10/11/2025
1 in 1 years
100.0 %
4h
4.2 mm
7:30pm 09/11/2025
12:00am 10/11/2025
1 in 1 years
100.0 %
6h
4.2 mm
6:00pm 09/11/2025
12:00am 10/11/2025
1 in 1 years
100.0 %
9h
6.2 mm
1:30pm 09/11/2025
10:30pm 09/11/2025
1 in 1 years
100.0 %
12h
6.6 mm
1:50pm 09/11/2025
1:50am 10/11/2025
1 in 1 years
100.0 %
18h
6.8 mm
1:50pm 09/11/2025
7:50am 10/11/2025
1 in 1 years
100.0 %
24h
6.8 mm
1:50pm 09/11/2025
1:50pm 10/11/2025
1 in 1 years
100.0 %
30h
7.0 mm
1:50pm 09/11/2025
7:50pm 10/11/2025
1 in 1 years
100.0 %
36h
7.0 mm
12:00pm 09/11/2025
12:00am 11/11/2025
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.