DS-5 - Appendix B.1 General
Table A Climate-Adjusted Design Rainfall Depth Estimate and Table B Climate-Adjusted Design Rainfall Intensity Estimate are applicable to the Tauranga City area.
Table A: Climate-Adjusted Design Rainfall Depth Estimate (2055) in mm
Return
Period
(Years)
|
Duration
|
10 Minutes
|
20 Minutes
|
30 Minutes
|
1
Hour
|
2
Hours
|
6
Hours
|
12
Hours
|
24
Hours
|
48
Hours
|
2.33*
|
13
|
20
|
25
|
33
|
45
|
71
|
91
|
115
|
130
|
5
|
18
|
26
|
35
|
49
|
69
|
102
|
128
|
150
|
172
|
10
|
21
|
33
|
44
|
65
|
90
|
131
|
158
|
183
|
212
|
20
|
24
|
40
|
52
|
80
|
112
|
159
|
189
|
219
|
255
|
50
|
30
|
48
|
64
|
100
|
141
|
197
|
230
|
273
|
320
|
100
|
33
|
56
|
72
|
115
|
163
|
225
|
259
|
320
|
377
|
*For 2.33 years, read annual.
Table B: Climate-Adjusted Design Rainfall Intensity Estimates (2055) in mm/hour
Return
Period
(Years)
|
Duration
|
10
Minutes
|
20
Minutes
|
30
Minutes
|
1
Hour
|
2
Hours
|
6
Hours
|
2.33*
|
78
|
60
|
50
|
33
|
23
|
12
|
5
|
108
|
78
|
70
|
49
|
35
|
17
|
10
|
126
|
99
|
88
|
65
|
45
|
22
|
20
|
144
|
120
|
104
|
80
|
56
|
27
|
50
|
180
|
144
|
128
|
100
|
71
|
33
|
100
|
198
|
168
|
144
|
115
|
82
|
38
|
*For 2.33 years read annual. For intermediate durations, refer to DS-5 Appendix C.1 General.