condition mean min max 0 h after light 0.00845345 0.0 0.0169069 2 h after light 0.0094907 0.0 0.0189814 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 2 h after dark 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.01833855 0.0 0.0366771 12 h after dark 0.0 0.0 0.0