condition mean min max 2 h after light 1.9067633333333334 1.60765 2.3742 6 h after light 1.62213 1.5294 1.74889 10 h after light 1.66262 1.51316 1.85441 2 h after dark 1.77701 1.64177 1.96667 6 h after dark 1.3757066666666666 1.3193 1.46396 10 h after dark 1.175 1.1083 1.275