condition mean min max 4 h after light 4.4168 4.31595 4.5081 8 h after light 4.395026666666666 4.296469999999999 4.45902 12 h after light 4.44998 4.38373 4.56245 4 h after dark 4.4328666666666665 4.37197 4.54784 8 h after dark 4.302646666666667 4.2386800000000004 4.35811 12 h after dark 4.37758 4.2994900000000005 4.49876