condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 9 h after light 3.800966666666667e-09 0.0 1.14029e-08 12 h after light 0.171349 0.0 0.685396 3 h after dark 0.0 0.0 0.0 6 h after dark 0.0 0.0 0.0 9 h after dark 0.0 0.0 0.0 12 h after dark 0.79598 0.0 1.59196