condition mean min max 4 h after light 140.740106 128.181573 153.298639 8 h after light 156.010631 155.790316 156.230946 12 h after light 141.61151999999998 131.608423 151.614617 4 h after dark 182.5782105 161.847441 203.30898 8 h after dark 162.853094 136.474131 189.232057 12 h after dark 126.15232 126.15232 126.15232