condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.030485833333333334 0.0 0.0914575 12 h after light 0.10018366666666667 0.0 0.300551 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0