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 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 3 h after dark 0.14500433333333332 0.0 0.435013 6 h after dark 0.0 0.0 0.0 9 h after dark 0.07775133333333333 0.0 0.233254 12 h after dark 0.0 0.0 0.0