12:20pm 14/01/2026 to 12:20pm 16/01/2026
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
3.6 mm
4:20am 16/01/2026
4:30am 16/01/2026
1 in 1 years
100.0 %
20m
6.6 mm
4:10am 16/01/2026
4:30am 16/01/2026
1 in 1 years
100.0 %
30m
8.2 mm
4:10am 16/01/2026
4:40am 16/01/2026
1 in 1 years
100.0 %
60m
10.6 mm
4:00am 16/01/2026
5:00am 16/01/2026
1 in 1 years
100.0 %
90m
10.8 mm
3:40am 16/01/2026
5:10am 16/01/2026
1 in 1 years
100.0 %
120m
11.6 mm
2:50am 16/01/2026
4:50am 16/01/2026
1 in 1 years
100.0 %
3h
12.8 mm
1:50am 16/01/2026
4:50am 16/01/2026
1 in 1 years
100.0 %
4h
14.6 mm
12:40am 16/01/2026
5:10am 16/01/2026
1 in 1 years
100.0 %
6h
15.8 mm
12:40am 16/01/2026
6:40am 16/01/2026
1 in 1 years
100.0 %
9h
16.0 mm
9:40pm 15/01/2026
6:40am 16/01/2026
1 in 1 years
100.0 %
12h
16.0 mm
6:40pm 15/01/2026
6:40am 16/01/2026
1 in 1 years
100.0 %
18h
16.2 mm
12:40pm 15/01/2026
6:40am 16/01/2026
1 in 1 years
100.0 %
24h
17.6 mm
6:40am 15/01/2026
6:40am 16/01/2026
1 in 1 years
100.0 %
30h
17.6 mm
12:40am 15/01/2026
6:40am 16/01/2026
1 in 1 years
100.0 %
36h
17.6 mm
6:40pm 14/01/2026
6:40am 16/01/2026
1 in 1 years
100.0 %
48h
17.6 mm
12:20pm 14/01/2026
12:20pm 16/01/2026
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.