condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.0095203 0.0 0.0285609 4 h after dark 0.011877400000000001 0.0 0.0356322 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0