condition mean min max 4 h after light 0.0163673 0.0 0.0327346 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 4 h after dark 0.035442299999999996 0.0224535 0.0552197 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0