condition mean min max 0 h after light 1.38009 1.18414 1.57604 4 h after light 1.7871099999999998 1.16542 2.4088 8 h after light 0.5903525000000001 0.401079 0.779626 4 h after dark 4.07311 3.09575 5.05047 8 h after dark 9.156815000000002 9.0004 9.31323 12 h after dark 1.740666 0.786962 2.69437