What is the difference between incremental and cumulative storm data?

Product(s): SewerGEMS, CivilStorm, StormCAD, PondPack, SewerCAD
Version(s): 10.XX.XX.XX, 08.11.XX.XX
Area:  Layout and Data Input

Problem

What is the difference between incremental and cumulative storm data?

Solution

Incremental data is where the total depth is the sum of all the depths in the table. Cumulative data is where the total depth is the last depth in the curve (as in this case the depth must be increasing over time).

Cumulative data

Time (hours) Depth (in)
0 0
0.1 0.003
0.2 0.006
0.3 0.009
0.4 0.012
0.5 0.015
0.6 0.019
0.7 0.022
0.8 0.025
0.9 0.028
1 0.031
1.1 0.035
1.2 0.038
1.3 0.042
1.4 0.045
1.5 0.048
1.6 0.052
1.7 0.055
1.8 0.059
1.9 0.062
2 0.066
2.1 0.07
2.2 0.073
2.3 0.077
2.4 0.081
2.5 0.084
2.6 0.088
2.7 0.092
2.8 0.096
2.9 0.1
3 0.103
3.1 0.107
3.2 0.111
3.3 0.115
3.4 0.119
3.5 0.123
3.6 0.127
3.7 0.132
3.8 0.136
3.9 0.14
4 0.144
4.1 0.148
4.2 0.153
4.3 0.157
4.4 0.161
4.5 0.166
4.6 0.17
4.7 0.175
4.8 0.18
4.9 0.184
5 0.189
5.1 0.194
5.2 0.199
5.3 0.204
5.4 0.209
5.5 0.214
5.6 0.219
5.7 0.224
5.8 0.229
5.9 0.235
6 0.24
6.1 0.245
6.2 0.251
6.3 0.256
6.4 0.262
6.5 0.268
6.6 0.273
6.7 0.279
6.8 0.285
6.9 0.291
7 0.297
7.1 0.303
7.2 0.309
7.3 0.315
7.4 0.321
7.5 0.328
7.6 0.334
7.7 0.34
7.8 0.347
7.9 0.353
8 0.36
8.1 0.367
8.2 0.374
8.3 0.381
8.4 0.389
8.5 0.397
8.6 0.405
8.7 0.414
8.8 0.422
8.9 0.432
9 0.441
9.1 0.451
9.2 0.46
9.3 0.47
9.4 0.479
9.5 0.489
9.6 0.499
9.7 0.509
9.8 0.52
9.9 0.531
10 0.543
10.1 0.555
10.2 0.568
10.3 0.582
10.4 0.597
10.5 0.612
10.6 0.628
10.7 0.646
10.8 0.664
10.9 0.684
11 0.705
11.1 0.728
11.2 0.754
11.3 0.783
11.4 0.814
11.5 0.849
11.6 0.921
11.7 1.063
11.8 1.292
11.9 1.704
12 1.989
12.1 2.046
12.2 2.096
12.3 2.139
12.4 2.175
12.5 2.205
12.6 2.23
12.7 2.254
12.8 2.276
12.9 2.297
13 2.316
13.1 2.334
13.2 2.351
13.3 2.367
13.4 2.382
13.5 2.397
13.6 2.411
13.7 2.424
13.8 2.437
13.9 2.449
14 2.46
14.1 2.471
14.2 2.482
14.3 2.492
14.4 2.503
14.5 2.513
14.6 2.523
14.7 2.533
14.8 2.542
14.9 2.551
15 2.561
15.1 2.569
15.2 2.578
15.3 2.587
15.4 2.595
15.5 2.603
15.6 2.611
15.7 2.618
15.8 2.626
15.9 2.633
16 2.64
16.1 2.647
16.2 2.654
16.3 2.66
16.4 2.667
16.5 2.674
16.6 2.68
16.7 2.686
16.8 2.693
16.9 2.699
17 2.705
17.1 2.711
17.2 2.717
17.3 2.723
17.4 2.729
17.5 2.735
17.6 2.741
17.7 2.746
17.8 2.752
17.9 2.758
18 2.763
18.1 2.768
18.2 2.774
18.3 2.779
18.4 2.784
18.5 2.789
18.6 2.794
18.7 2.799
18.8 2.804
18.9 2.809
19 2.813
19.1 2.818
19.2 2.822
19.3 2.827
19.4 2.831
19.5 2.836
19.6 2.84
19.7 2.844
19.8 2.848
19.9 2.852
20 2.856
20.1 2.86
20.2 2.864
20.3 2.868
20.4 2.871
20.5 2.875
20.6 2.879
20.7 2.883
20.8 2.887
20.9 2.891
21 2.894
21.1 2.898
21.2 2.902
21.3 2.905
21.4 2.909
21.5 2.913
21.6 2.916
21.7 2.92
21.8 2.924
21.9 2.927
22 2.931
22.1 2.935
22.2 2.938
22.3 2.942
22.4 2.945
22.5 2.949
22.6 2.952
22.7 2.956
22.8 2.959
22.9 2.963
23 2.966
23.1 2.97
23.2 2.973
23.3 2.977
23.4 2.98
23.5 2.983
23.6 2.987
23.7 2.99
23.8 2.993
23.9 2.997
24 3

Incremental Data

Time (hours) Depth (in)
0 0
0.1 0.009
0.2 0.009
0.3 0.009
0.4 0.009
0.5 0.009
0.6 0.009
0.7 0.009
0.8 0.009
0.9 0.009
1 0.009
1.1 0.009
1.2 0.009
1.3 0.009
1.4 0.009
1.5 0.009
1.6 0.009
1.7 0.009
1.8 0.009
1.9 0.009
2 0.009
2.1 0.009
2.2 0.009
2.3 0.009
2.4 0.009
2.5 0.009
2.6 0.01
2.7 0.01
2.8 0.01
2.9 0.01
3 0.01
3.1 0.01
3.2 0.011
3.3 0.011
3.4 0.011
3.5 0.011
3.6 0.011
3.7 0.011
3.8 0.011
3.9 0.011
4 0.012
4.1 0.012
4.2 0.012
4.3 0.012
4.4 0.012
4.5 0.012
4.6 0.012
4.7 0.012
4.8 0.012
4.9 0.012
5 0.012
5.1 0.012
5.2 0.012
5.3 0.012
5.4 0.012
5.5 0.013
5.6 0.013
5.7 0.013
5.8 0.013
5.9 0.013
6 0.013
6.1 0.013
6.2 0.014
6.3 0.014
6.4 0.015
6.5 0.015
6.6 0.016
6.7 0.016
6.8 0.017
6.9 0.017
7 0.018
7.1 0.018
7.2 0.018
7.3 0.019
7.4 0.019
7.5 0.019
7.6 0.019
7.7 0.019
7.8 0.019
7.9 0.02
8 0.02
8.1 0.021
8.2 0.023
8.3 0.025
8.4 0.027
8.5 0.029
8.6 0.031
8.7 0.033
8.8 0.035
8.9 0.037
9 0.039
9.1 0.042
9.2 0.045
9.3 0.049
9.4 0.053
9.5 0.056
9.6 0.082
9.7 0.13
9.8 0.212
9.9 0.377
10 0.259
10.1 0.086
10.2 0.077
10.3 0.068
10.4 0.059
10.5 0.05
10.6 0.044
10.7 0.042
10.8 0.04
10.9 0.038
11 0.036
11.1 0.034
11.2 0.033
11.3 0.033
11.4 0.032
11.5 0.031
11.6 0.03
11.7 0.029
11.8 0.029
11.9 0.028
12 0.027
12.1 0.026
12.2 0.026
12.3 0.025
12.4 0.025
12.5 0.024
12.6 0.024
12.7 0.023
12.8 0.023
12.9 0.022
13 0.022
13.1 0.021
13.2 0.021
13.3 0.02
13.4 0.02
13.5 0.019
13.6 0.019
13.7 0.018
13.8 0.018
13.9 0.017
14 0.017
14.1 0.016
14.2 0.016
14.3 0.016
14.4 0.016
14.5 0.016
14.6 0.016
14.7 0.016
14.8 0.016
14.9 0.016
15 0.016
15.1 0.015
15.2 0.015
15.3 0.015
15.4 0.015
15.5 0.015
15.6 0.015
15.7 0.015
15.8 0.015
15.9 0.015
16 0.015
16.1 0.014
16.2 0.014
16.3 0.014
16.4 0.014
16.5 0.014
16.6 0.014
16.7 0.014
16.8 0.014
16.9 0.014
17 0.014
17.1 0.013
17.2 0.013
17.3 0.013
17.4 0.013
17.5 0.013
17.6 0.013
17.7 0.013
17.8 0.013
17.9 0.013
18 0.013
18.1 0.012
18.2 0.012
18.3 0.012
18.4 0.012
18.5 0.012
18.6 0.012
18.7 0.012
18.8 0.012
18.9 0.012
19 0.012
19.1 0.011
19.2 0.011
19.3 0.011
19.4 0.011
19.5 0.011
19.6 0.011
19.7 0.011
19.8 0.011
19.9 0.011
20 0.011
20.1 0.01
20.2 0.01
20.3 0.01
20.4 0.01
20.5 0.01
20.6 0.01
20.7 0.01
20.8 0.01
20.9 0.01
21 0.01
21.1 0.009
21.2 0.009
21.3 0.009
21.4 0.009
21.5 0.009
21.6 0.009
21.7 0.009
21.8 0.009
21.9 0.009
22 0.009
22.1 0.008
22.2 0.008
22.3 0.008
22.4 0.008
22.5 0.008
22.6 0.008
22.7 0.008
22.8 0.008
22.9 0.008
23 0.008
23.1 0.007
23.2 0.007
23.3 0.007
23.4 0.007
23.5 0.007
23.6 0.007
23.7 0.007
23.8 0.007
23.9 0.007
24 0.007
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