condition mean min max 0 h after light 0.0 0.0 0.0 4 h after light 0.06324985 0.0430965 0.0834032 8 h after light 0.04245015 0.0418455 0.0430548 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0210037 0.0 0.0420074 12 h after dark 0.0624388 0.0422392 0.0826384