condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.0 0.0 0.0 4 h after light 1.42446 0.0 2.84892 8 h after light 1.442325 0.0 2.88465 12 h after light 3.20056 0.0 6.40112 2 h after dark 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 1.49648 0.0 2.99296