condition mean min max 0 h after light 1.7946550000000001 1.62622 1.96309 4 h after light 7.6630899999999995 6.40203 8.92415 8 h after light 3.571625 2.99746 4.14579 4 h after dark 8.323555 7.34124 9.30587 8 h after dark 13.930299999999999 13.0504 14.8102 12 h after dark 3.695405 2.37516 5.01565