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Light mode11:20am 08/06/2026 to 11:20am 10/06/2026
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
0.2 mm
11:50am 08/06/2026
12:00pm 08/06/2026
1 in over 2000 years
< 0.05 %
20m
0.4 mm
11:50am 08/06/2026
12:10pm 08/06/2026
1 in over 2000 years
< 0.05 %
30m
0.6 mm
11:50am 08/06/2026
12:20pm 08/06/2026
1 in over 2000 years
< 0.05 %
60m
0.6 mm
11:50am 08/06/2026
12:50pm 08/06/2026
1 in over 2000 years
< 0.05 %
90m
0.6 mm
11:50am 08/06/2026
1:20pm 08/06/2026
1 in over 2000 years
< 0.05 %
120m
0.6 mm
11:50am 08/06/2026
1:50pm 08/06/2026
1 in over 2000 years
< 0.05 %
3h
0.6 mm
11:50am 08/06/2026
2:50pm 08/06/2026
1 in over 2000 years
< 0.05 %
4h
0.6 mm
11:50am 08/06/2026
4:20pm 08/06/2026
1 in over 2000 years
< 0.05 %
6h
0.6 mm
11:50am 08/06/2026
5:50pm 08/06/2026
1 in over 2000 years
< 0.05 %
9h
0.6 mm
11:50am 08/06/2026
8:50pm 08/06/2026
1 in over 2000 years
< 0.05 %
12h
0.6 mm
11:50am 08/06/2026
11:50pm 08/06/2026
1 in over 2000 years
< 0.05 %
18h
0.6 mm
11:50am 08/06/2026
5:50am 09/06/2026
1 in over 2000 years
< 0.05 %
24h
0.6 mm
11:50am 08/06/2026
11:50am 09/06/2026
1 in over 2000 years
< 0.05 %
30h
0.6 mm
11:50am 08/06/2026
5:50pm 09/06/2026
1 in over 2000 years
< 0.05 %
36h
0.6 mm
11:50am 08/06/2026
11:50pm 09/06/2026
1 in over 2000 years
< 0.05 %
48h
0.6 mm
11:20am 08/06/2026
11:20am 10/06/2026
1 in over 2000 years
< 0.05 %
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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