condition mean min max 2 h after light 0.6199121666666667 0.276619 0.984032 6 h after light 0.5094023333333333 0.231309 0.822658 10 h after light 0.41770616666666666 0.103363 0.668971 14 h after light 0.5416465 0.213516 1.08699 18 h after light 0.5980275 0.381032 0.823374 2 h after dark 0.778792 0.460138 1.05987