7:30pm 14/01/2026 to 7:30pm 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
5.2 mm
6:30am 15/01/2026
6:40am 15/01/2026
1 in 1.1 years
90.02 %
20m
7.2 mm
6:30am 15/01/2026
6:50am 15/01/2026
1 in 1.1 years
90.98 %
30m
8.8 mm
6:20am 15/01/2026
6:50am 15/01/2026
1 in 1.1 years
90.2 %
60m
9.8 mm
5:50am 15/01/2026
6:50am 15/01/2026
1 in 1.0 years
97.94 %
90m
11.0 mm
5:20am 15/01/2026
6:50am 15/01/2026
1 in 1.0 years
98.58 %
120m
12.6 mm
4:50am 15/01/2026
6:50am 15/01/2026
1 in 1.0 years
98.31 %
3h
14.2 mm
2:00pm 15/01/2026
5:00pm 15/01/2026
1 in 1.0 years
98.55 %
4h
16.0 mm
1:30pm 15/01/2026
6:00pm 15/01/2026
1 in 1.0 years
98.72 %
6h
17.0 mm
11:00am 15/01/2026
5:00pm 15/01/2026
1 in 1.0 years
98.95 %
9h
19.0 mm
10:30am 15/01/2026
7:30pm 15/01/2026
1 in 1.0 years
99.02 %
12h
29.4 mm
4:50am 15/01/2026
4:50pm 15/01/2026
1 in 1.1 years
87.01 %
18h
33.2 mm
3:50am 15/01/2026
9:50pm 15/01/2026
1 in 1.2 years
86.78 %
24h
33.4 mm
10:50pm 14/01/2026
10:50pm 15/01/2026
1 in 1.1 years
90.63 %
30h
33.4 mm
7:30pm 14/01/2026
1:30am 16/01/2026
1 in 1.1 years
93.85 %
36h
33.6 mm
11:30pm 14/01/2026
11:30am 16/01/2026
1 in 1.0 years
95.54 %
48h
33.6 mm
7:30pm 14/01/2026
7:30pm 16/01/2026
1 in 1.0 years
97.39 %
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.