condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 2.27805 1.82732 2.72878 12 h after light 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 1.0883895 0.729879 1.4469 12 h after dark 2.419965 0.0 4.83993