# 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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