condition mean min max 2 h after light 0.7814128333333333 0.0 1.86857 6 h after light 0.44275149999999996 0.0 2.01678 10 h after light 0.372872 0.0 0.782996 14 h after light 0.6426616666666667 0.0 1.80971 18 h after light 0.6747738333333333 0.0 1.39393 2 h after dark 0.9685558333333333 0.0 1.47868