condition mean min max 0 h after light 12.663 12.1087 13.2173 2 h after light 13.824950000000001 13.6578 13.9921 4 h after light 17.7214 17.2247 18.2181 8 h after light 20.402900000000002 19.0194 21.7864 12 h after light 22.56605 22.1169 23.0152 2 h after dark 20.702399999999997 19.6559 21.7489 4 h after dark 17.18665 16.3478 18.0255 8 h after dark 17.773899999999998 16.8605 18.6873 12 h after dark 13.421700000000001 12.5046 14.3388