condition mean min max 0 h after light 2.336575 0.0 4.67315 2 h after light 1.560485 0.0 3.12097 4 h after light 0.76346 0.0 1.52692 8 h after light 0.0 0.0 0.0 12 h after light 1.564495 0.0 3.12899 2 h after dark 0.0 0.0 0.0 4 h after dark 3.079275 1.49717 4.66138 8 h after dark 1.75207 0.0 3.50414 12 h after dark 6.242005000000001 4.98833 7.49568