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 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 2 h after dark 0.00748975 0.0 0.0149795 4 h after dark 0.0072567 0.0 0.0145134 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0