condition mean min max 0 h after light 0.22868 0.228476 0.228884 4 h after light 0.3163325 0.225265 0.4074 8 h after light 0.2866355 0.282553 0.290718 4 h after dark 0.7592095 0.560982 0.957437 8 h after dark 0.338716 0.283646 0.393786 12 h after dark 0.16864200000000001 0.114085 0.223199