condition mean min max 0 h after light 4.14112 4.07947 4.20277 2 h after light 2.612755 2.41314 2.81237 4 h after light 3.316595 2.76336 3.86983 8 h after light 3.616445 3.21638 4.01651 12 h after light 4.523665 3.96506 5.08227 2 h after dark 4.9535599999999995 4.6289 5.27822 4 h after dark 3.4469650000000005 2.82473 4.0692 8 h after dark 4.1300349999999995 4.11565 4.14442 12 h after dark 3.756225 3.32449 4.18796