condition mean min max 4 h after light 3.5861599999999996 3.15021 4.02211 8 h after light 2.004195 1.8638 2.14459 12 h after light 1.731405 1.31257 2.15024 4 h after dark 3.41603 2.99517 4.2484 8 h after dark 5.398803333333333 5.23049 5.72818 12 h after dark 3.8879366666666666 3.59048 4.44381