condition mean min max 4 h after light 3.5802933333333335 3.3819730000000003 3.8960739999999996 8 h after light 2.595614 1.8052099999999998 3.013673 12 h after light 1.88951 1.453856 2.3185 16 h after light 3.5107150000000003 3.023542 4.04223 4 h after dark 3.1072416666666665 2.483005 3.5334839999999996 8 h after dark 1.845643 1.6890939999999999 2.044083