condition mean min max 0 h after light 0.051593 0.0 0.103186 4 h after light 0.0 0.0 0.0 8 h after light 0.103378 0.101905 0.104851 4 h after dark 0.050781 0.0 0.101562 8 h after dark 0.05115 0.0 0.1023 12 h after dark 0.0 0.0 0.0