Dark mode
Light mode-35.20919, 149.18195
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
8.4 mm
8:30am 25/02/2018
8:40am 25/02/2018
1 in 1.6 years
61.95 %
20m
13.8 mm
8:30am 25/02/2018
8:50am 25/02/2018
1 in 2.2 years
45.29 %
30m
16.6 mm
8:20am 25/02/2018
8:50am 25/02/2018
1 in 2.3 years
43.3 %
60m
27.4 mm
7:50am 25/02/2018
8:50am 25/02/2018
1 in 5.4 years
18.48 %
90m
34.6 mm
7:40am 25/02/2018
9:10am 25/02/2018
1 in 8.5 years
11.75 %
120m
40.5 mm
8:00am 25/02/2018
10:00am 25/02/2018
1 in 11.8 years
8.45 %
3h
52.9 mm
7:10am 25/02/2018
10:10am 25/02/2018
1 in 24.0 years
4.17 %
4h
60.6 mm
7:10am 25/02/2018
11:40am 25/02/2018
1 in 24.8 years
4.02 %
6h
65.2 mm
6:10am 25/02/2018
12:10pm 25/02/2018
1 in 22.4 years
4.47 %
9h
68.6 mm
3:00am 25/02/2018
12:00pm 25/02/2018
1 in 15.3 years
6.52 %
12h
71.2 mm
12:10am 25/02/2018
12:10pm 25/02/2018
1 in 11.9 years
8.42 %
18h
75.4 mm
6:50pm 24/02/2018
12:50pm 25/02/2018
1 in 8.6 years
11.59 %
24h
77.8 mm
6:20am 25/02/2018
6:20am 26/02/2018
1 in 6.8 years
14.76 %
30h
83.9 mm
11:30pm 24/02/2018
5:30am 26/02/2018
1 in 6.9 years
14.51 %
36h
87.8 mm
5:30pm 24/02/2018
5:30am 26/02/2018
1 in 6.6 years
15.09 %
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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