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Light mode11:00am 12/07/2026 to 11:00am 14/07/2026
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
1.4 mm
2:40pm 13/07/2026
2:50pm 13/07/2026
1 in 1 years
100.0 %
20m
2.8 mm
2:40pm 13/07/2026
3:00pm 13/07/2026
1 in 1 years
100.0 %
30m
3.6 mm
2:30pm 13/07/2026
3:00pm 13/07/2026
1 in 1 years
100.0 %
60m
4.8 mm
2:30pm 13/07/2026
3:30pm 13/07/2026
1 in 1 years
100.0 %
90m
6.2 mm
2:30pm 13/07/2026
4:00pm 13/07/2026
1 in 1 years
100.0 %
120m
6.8 mm
2:10pm 13/07/2026
4:10pm 13/07/2026
1 in 1 years
100.0 %
3h
7.4 mm
2:00pm 13/07/2026
5:00pm 13/07/2026
1 in 1 years
100.0 %
4h
9.0 mm
2:30pm 13/07/2026
7:00pm 13/07/2026
1 in 1 years
100.0 %
6h
11.0 mm
2:10pm 13/07/2026
8:10pm 13/07/2026
1 in 1 years
100.0 %
9h
13.0 mm
12:00pm 13/07/2026
9:00pm 13/07/2026
1 in 1 years
100.0 %
12h
15.8 mm
9:00am 13/07/2026
9:00pm 13/07/2026
1 in 1 years
100.0 %
18h
17.2 mm
3:00am 13/07/2026
9:00pm 13/07/2026
1 in 1 years
100.0 %
24h
17.8 mm
9:00pm 12/07/2026
9:00pm 13/07/2026
1 in 1 years
100.0 %
30h
19.8 mm
2:10pm 12/07/2026
8:10pm 13/07/2026
1 in 1 years
100.0 %
36h
22.0 mm
11:00am 12/07/2026
11:00pm 13/07/2026
1 in 1 years
100.0 %
48h
23.0 mm
11:00am 12/07/2026
11:00am 14/07/2026
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.
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