condition mean min max 0 h after light 40.52905 39.5556 41.5025 4 h after light 24.29765 23.2904 25.3049 8 h after light 32.3967 31.3625 33.4309 4 h after dark 41.76775 40.3625 43.173 8 h after dark 36.67015000000001 34.8524 38.4879 12 h after dark 33.8749 33.7806 33.9692