condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0127868 0.0 0.0255736 12 h after light 0.09821245 0.0311499 0.165275 4 h after dark 0.08207310000000001 0.0552402 0.108906 8 h after dark 0.04751355 0.0409319 0.0540952 12 h after dark 0.0494836 0.0452375 0.0537297