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Light mode 3:30am 25/05/2026 to 3:30am 27/05/2026
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Observations for this analysis :
Maximum observed rainfall by duration, estimated return period and AEP
Duration
Rainfall
Start
End
Years
AEP
10m
4.8 mm
6:50am 26/05/2026
7:00am 26/05/2026
1 in 1.5 years
66.93 %
20m
5.0 mm
6:50am 26/05/2026
7:10am 26/05/2026
1 in 1.1 years
86.98 %
30m
6.2 mm
6:50am 26/05/2026
7:20am 26/05/2026
1 in 1.2 years
82.67 %
60m
6.2 mm
6:20am 26/05/2026
7:20am 26/05/2026
1 in 1.0 years
95.63 %
90m
6.6 mm
6:50am 26/05/2026
8:20am 26/05/2026
1 in 1.0 years
97.45 %
120m
6.6 mm
6:50am 26/05/2026
8:50am 26/05/2026
1 in 1.0 years
98.62 %
3h
7.2 mm
5:10am 26/05/2026
8:10am 26/05/2026
1 in 1.0 years
98.96 %
4h
7.2 mm
5:10am 26/05/2026
9:40am 26/05/2026
1 in 1.0 years
99.77 %
6h
7.6 mm
5:10am 26/05/2026
11:10am 26/05/2026
1 in 1.0 years
99.82 %
9h
7.8 mm
6:50am 26/05/2026
3:50pm 26/05/2026
1 in 1.0 years
99.96 %
12h
8.8 mm
6:20am 26/05/2026
6:20pm 26/05/2026
1 in 1.0 years
99.91 %
18h
9.8 mm
2:10am 26/05/2026
8:10pm 26/05/2026
1 in 1.0 years
99.92 %
24h
10.4 mm
7:20am 25/05/2026
7:20am 26/05/2026
1 in 1.0 years
99.94 %
30h
12.8 mm
6:30am 25/05/2026
12:30pm 26/05/2026
1 in 1.0 years
99.59 %
36h
14.4 mm
6:20am 25/05/2026
6:20pm 26/05/2026
1 in 1.0 years
99.07 %
48h
14.8 mm
3:30am 25/05/2026
3:30am 27/05/2026
1 in 1.0 years
99.33 %
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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