condition mean min max 3 h after light 3.1608595916666666 0.0 12.4206 7 h after light 4.100515075 0.0 15.0853 11 h after light 3.8081589083333336 0.0 14.9929 2 h after dark 5.597220525 0.0 19.4786 6 h after dark 5.86040765 0.0 22.4262 10 h after dark 5.762327925833333 0.0 18.6958