condition mean min max 4 h after light 2.246105 2.20991 2.2823 8 h after light 6.031435 5.55411 6.50876 12 h after light 4.8874200000000005 4.32883 5.44601 4 h after dark 8.612895 7.16219 10.0636 8 h after dark 7.31426 6.64602 7.9825 12 h after dark 4.7224 4.19521 5.24959