condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 9 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 3 h after dark 1.2305133333333333 0.616403 2.26414 6 h after dark 0.19250066666666665 0.0 0.577502 9 h after dark 0.0 0.0 0.0 12 h after dark 0.42462333333333335 0.0 1.27387