condition mean min max 0 h after light 1.9191250000000002 1.63243 2.20582 4 h after light 4.37582 4.34188 4.40976 8 h after light 1.7113299999999998 1.50714 1.91552 4 h after dark 6.21828 5.24054 7.19602 8 h after dark 2.8530949999999997 2.75243 2.95376 12 h after dark 4.297185000000001 2.95718 5.63719