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Light mode 3:50am 25/05/2026 to 3:50am 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
1.6 mm
5:50am 26/05/2026
6:00am 26/05/2026
1 in 1 years
100.0 %
20m
2.8 mm
11:10pm 25/05/2026
11:30pm 25/05/2026
1 in 1 years
100.0 %
30m
4.0 mm
11:00pm 25/05/2026
11:30pm 25/05/2026
1 in 1 years
100.0 %
60m
7.4 mm
4:50pm 25/05/2026
5:50pm 25/05/2026
1 in 1.0 years
98.23 %
90m
10.4 mm
11:10pm 25/05/2026
12:40am 26/05/2026
1 in 1.1 years
92.88 %
120m
13.6 mm
11:00pm 25/05/2026
1:00am 26/05/2026
1 in 1.2 years
83.26 %
3h
18.6 mm
11:00pm 25/05/2026
2:00am 26/05/2026
1 in 1.4 years
73.72 %
4h
24.4 mm
10:40pm 25/05/2026
3:10am 26/05/2026
1 in 1.4 years
72.19 %
6h
29.8 mm
10:30pm 25/05/2026
4:30am 26/05/2026
1 in 1.4 years
71.16 %
9h
43.2 mm
4:00pm 25/05/2026
1:00am 26/05/2026
1 in 1.6 years
61.4 %
12h
55.8 mm
3:40pm 25/05/2026
3:40am 26/05/2026
1 in 1.8 years
54.61 %
18h
68.6 mm
2:10pm 25/05/2026
8:10am 26/05/2026
1 in 1.7 years
58.81 %
24h
72.6 mm
2:10pm 25/05/2026
2:10pm 26/05/2026
1 in 1.5 years
67.46 %
30h
84.4 mm
3:50pm 25/05/2026
9:50pm 26/05/2026
1 in 1.6 years
64.29 %
36h
98.6 mm
3:30pm 25/05/2026
3:30am 27/05/2026
1 in 1.7 years
57.15 %
48h
100.6 mm
3:50am 25/05/2026
3:50am 27/05/2026
1 in 1.5 years
64.87 %
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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