condition mean min max 4 h after light 2.3551770000000003 0.668434 4.04192 8 h after light 3.0067399999999997 2.19293 3.82055 12 h after light 3.217245 1.76839 4.6661 4 h after dark 3.808135 2.95525 4.66102 8 h after dark 6.3976500000000005 5.788 7.0073 12 h after dark 2.11783 1.9361 2.29956