Dark mode
Light mode-35.19993, 149.16197
5:00pm 24/02/2018 to 12:00pm 26/02/2018
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
9.3 mm
8:30am 25/02/2018
8:40am 25/02/2018
1 in 2.0 years
50.6 %
20m
14.9 mm
8:20am 25/02/2018
8:40am 25/02/2018
1 in 2.7 years
36.84 %
30m
18.9 mm
8:20am 25/02/2018
8:50am 25/02/2018
1 in 3.4 years
29.0 %
60m
30.3 mm
7:50am 25/02/2018
8:50am 25/02/2018
1 in 8.4 years
11.97 %
90m
38.4 mm
7:40am 25/02/2018
9:10am 25/02/2018
1 in 14.0 years
7.12 %
120m
42.9 mm
7:50am 25/02/2018
9:50am 25/02/2018
1 in 15.9 years
6.28 %
3h
55.0 mm
7:30am 25/02/2018
10:30am 25/02/2018
1 in 29.8 years
3.35 %
4h
62.5 mm
7:40am 25/02/2018
12:10pm 25/02/2018
1 in 29.6 years
3.37 %
6h
68.0 mm
6:20am 25/02/2018
12:20pm 25/02/2018
1 in 28.1 years
3.55 %
9h
70.9 mm
3:00am 25/02/2018
12:00pm 25/02/2018
1 in 18.4 years
5.45 %
12h
74.0 mm
12:10am 25/02/2018
12:10pm 25/02/2018
1 in 14.6 years
6.87 %
18h
78.1 mm
7:00pm 24/02/2018
1:00pm 25/02/2018
1 in 10.3 years
9.68 %
24h
81.3 mm
6:20am 25/02/2018
6:20am 26/02/2018
1 in 8.4 years
11.96 %
30h
87.3 mm
11:30pm 24/02/2018
5:30am 26/02/2018
1 in 8.4 years
11.91 %
36h
90.9 mm
7:00pm 24/02/2018
7:00am 26/02/2018
1 in 7.9 years
12.6 %
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.
Install
