condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.080611 0.016745 0.113239 12 h after light 0.0104235 0.0 0.0312705 4 h after dark 0.17467566666666667 0.163849 0.195118 8 h after dark 0.20609433333333332 0.108282 0.327953 12 h after dark 0.166061 0.0 0.284369