1:20pm 24/05/2025 to 1:20pm 25/05/2025
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
3:10am 25/05/2025
3:20am 25/05/2025
1 in over 2000 years
< 0.05 %
20m
0.2 mm
3:00am 25/05/2025
3:20am 25/05/2025
1 in over 2000 years
< 0.05 %
30m
0.2 mm
2:50am 25/05/2025
3:20am 25/05/2025
1 in over 2000 years
< 0.05 %
60m
0.2 mm
2:20am 25/05/2025
3:20am 25/05/2025
1 in over 2000 years
< 0.05 %
90m
0.2 mm
1:50am 25/05/2025
3:20am 25/05/2025
1 in over 2000 years
< 0.05 %
120m
0.2 mm
1:20am 25/05/2025
3:20am 25/05/2025
1 in over 2000 years
< 0.05 %
3h
0.2 mm
12:20am 25/05/2025
3:20am 25/05/2025
1 in over 2000 years
< 0.05 %
4h
0.2 mm
10:50pm 24/05/2025
3:20am 25/05/2025
1 in over 2000 years
< 0.05 %
6h
0.2 mm
9:20pm 24/05/2025
3:20am 25/05/2025
1 in over 2000 years
< 0.05 %
9h
0.4 mm
1:50am 25/05/2025
10:50am 25/05/2025
1 in over 2000 years
< 0.05 %
12h
0.4 mm
10:50pm 24/05/2025
10:50am 25/05/2025
1 in over 2000 years
< 0.05 %
18h
0.4 mm
4:50pm 24/05/2025
10:50am 25/05/2025
1 in over 2000 years
< 0.05 %
24h
0.4 mm
1:20pm 24/05/2025
1:20pm 25/05/2025
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.