condition mean min max 4 h after light 2.885186333333333 2.8010509999999997 3.044539 8 h after light 2.2245973333333335 1.808923 2.463665 12 h after light 1.589908 1.408636 1.858063 16 h after light 2.8328973333333334 2.400029 3.371375 4 h after dark 2.3033646666666665 2.0930169999999997 2.63397 8 h after dark 1.519423 1.475727 1.54348