2:30am 17/07/2025 to 2:30am 18/07/2025
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
0.4 mm
12:30am 18/07/2025
12:40am 18/07/2025
1 in 1 years
100.0 %
20m
0.4 mm
3:40pm 17/07/2025
4:00pm 17/07/2025
1 in 1 years
100.0 %
30m
0.6 mm
12:30am 18/07/2025
1:00am 18/07/2025
1 in 1 years
100.0 %
60m
0.6 mm
12:30am 18/07/2025
1:30am 18/07/2025
1 in 1 years
100.0 %
90m
0.8 mm
11:30pm 17/07/2025
1:00am 18/07/2025
1 in 1 years
100.0 %
120m
0.8 mm
2:00pm 17/07/2025
4:00pm 17/07/2025
1 in 1 years
100.0 %
3h
1.0 mm
1:40pm 17/07/2025
4:40pm 17/07/2025
1 in 1 years
100.0 %
4h
1.0 mm
12:10pm 17/07/2025
4:40pm 17/07/2025
1 in 1 years
100.0 %
6h
1.0 mm
10:40am 17/07/2025
4:40pm 17/07/2025
1 in 1 years
100.0 %
9h
1.2 mm
3:40pm 17/07/2025
12:40am 18/07/2025
1 in 1 years
100.0 %
12h
1.8 mm
1:00pm 17/07/2025
1:00am 18/07/2025
1 in 1 years
100.0 %
18h
1.8 mm
7:00am 17/07/2025
1:00am 18/07/2025
1 in 1 years
100.0 %
24h
1.8 mm
2:30am 17/07/2025
2:30am 18/07/2025
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.