condition mean min max 0 h after light 1.030771 0.992782 1.06876 2 h after light 0.584665 0.557301 0.612029 4 h after light 1.485055 1.43552 1.53459 8 h after light 1.1802495 0.906979 1.45352 12 h after light 0.2213985 0.174346 0.268451 2 h after dark 1.435895 1.37588 1.49591 4 h after dark 1.1069315 0.880793 1.33307 8 h after dark 0.632741 0.62126 0.644222 12 h after dark 1.0214235 0.901587 1.14126