FLOOD00540

• County: Statewide
• Community: State of Colorado
• Stream Name: All
• Title: Colorado Flood Hydrology Manual
• Date: 1/1/1995
• Prepared For: State of Colorado
• Prepared By: CWCB
• Floodplain - Doc Type: Educational/Technical/Reference Information

Time t Time I Time
in in I in
% of q % of q % of q
L']+O.5 l, +0.5 l,+0.
D D 5D
35 7.70 135 8.25 235 2.8
40 9.00 140 7.70 240 2.7
45 14.51 145 7.25 245 2.6
50 18.11 150 6.80 250 2.S
55 21.51 155 6.40 255 2.4
60 24.01 160 6.00 260 2.3
65 22.81 165 5.65 265 2.2
70 21.21 170 5.35 270 2.1
75 19.31 175 5.00 275 2.0
80 16.91 180 4.80 280 1.9
85 15.21 185 4.55 285 1.9
90 14.21 190 4.30 290 1.
95 13.41 195 4.10 295 1.7
100 12.71 200 3.90 300 1.7

L

0= =, -
'me Time Ti
tin tin I:
01 q ":10 of q <0,
m
~+O l....+O. L)
~)D 5D
5 1.28 435 .56 53
-
0 1.23 440 .58 5'
5 1.19 445 .54 54
0 1.13 450 .52 5"
.,
5 1.09 455 .50 5"
.,
0 1.05 460 .48 56
5 1.01 465 .46 5E;
0 0.97 470 .44 57
5 .93 475 .42 57
0 .90 480 .41 58
5 .86 485 .40 58
0 .83 490 .38 5~
5 .ao 495 .37 5f!
)0 .n 500 .35 6C
-

m.;?

q
.. --
.27
.26
-
.25
.24
.23
.23
.22
-
.21
.20
.19
.19
.18
.17
.17

"

%

7

33

,n
0'
+0.
5D

5

!O

5

o

5

o

5

o

5

o

5

>0

5

>0

Table 7-15
Thunderstorm Dimensionless Unit Hydrograph Data for tho Rocky Mountains

Time t Time t Time
in % in % tin %
of q of q of q
L,+0.5 L,+O.5 l,+0.
D D 5D
5 0.14 105 20.76 205 2.7
10 .21 110 18.84 210 2.6
15 .33 115 16.81 215 2.4
20 .51 120 14.99 220 2.3
25 .84 125 12.86 225 2.1
30 1.62 130 11.04 230 2.0

Colorado Flood
Hydrology Manual

7-60

5

34

5

34

2

35

2

35

3

36

4

36

5

37

7

37

9

38

38

83

39

6

39

o

4'

~ r==
Time Time T
tin% tin% ti
of q of q
L'g+O. l.v+O. L,
5D 5D ,
- f--
305 1.05 405 0.43 5
- f--
310 1.00 410 .42 51
315 0.96 415 .40 51
.- f--
3:20 .92 420 .38 5,
.- f--
3:25 .88 425 .36 5,
.- f--
3:30 .134 430 .35 5,
.- L....._ -

5

4

7

4

;m(~
n%
of
1+0.
5D

q
0.18
-
.17
.17
.16
.16
.15

05

o

5

:0

:5

:0

UWT