Flood Study BSM Job2013 08 Date 15 Sep 2014 Revised

Brisbane Stormwater Management Pty Ltd Document File: ValkevSDF.Doc   Page 39


[OCR of page images]
Mgt Restate’

ureau of Meteorology

 

Location

Label: Cooroy

Latitude: 26° 24' 26"
S)]

Longitude: 152° 54! 51"
[Nearest grid cell: 152.9125 (E)]

mm)

Rainfall depth for Durations, Exceedance per Year (EY), and Annual Exceedance Probabilities (AEP).

EY
Duration | AEY 50% © 20% «= 10% «= 5% = 2% =| 1%
1 min 27 a4 4.2 49| . 5.6 6.4 71
2 min 48 5.4 7.4 88 101 119 133
3 min 68 76 104 12.2 141 165 18.4
4 min a 8.5 96 130 153 175 205 22.7
5 min 10.1. 114 154 180 206 240 265
10min 161 182 245 285 32.4 37.3 40.9
15 min 20.4 +«-23.0's«30.9si36.0—i«.9—“ié‘iWCt*«*SiCSS
30 min 289 326 439 514 586 67.8 74.7
ahour “303 444 603 71.2 817 95.7 1064
2 hour | 523,S—«i59.4.s«BSsi«BSOC«dAB. “Cs: s151.0
3 hour 61.6 =—70.4.=Ss«984. «18.0 «137.6 164.3. 185.3
6 hour 814 93.9 134.3 162.8 191.6 231.0 262.3
12 hour | 106.3. 124.0 181.5 222.5 264.1 321.7 367.6
24 hour 134.9 158.8 237.6 2948 353.6 436.1 502.8
48 hour - 164.5 194.4 295.7 371.2 450.7 564.9 659.8
72 hour | 481.6 «214.5. 327.8 413.8 505.7, 640.0 753.4
96 hour 194.2. 229.1 350.0 442.8 542.9 690.6 816.5
120 hour 204.9 241.2, 367.6 «465.2, «570.8 727.5 861.7
144 hour 214.8 252.3. 383.1 484.2, 593.7, 756.2 895.5
168 hour 204.5 -263.2, «397.6 «501.3 613.4 779.5 —:921.5

 

Brisbane Stormwater Management Pty Ltd Document File: ValkevSDF.Doc Page 39