condition mean min max 4 h after light 164.881236 140.174118 189.588354 8 h after light 141.878495 131.821237 151.935753 12 h after light 156.2919885 144.412657 168.17132 4 h after dark 185.096134 169.529939 200.662329 8 h after dark 201.6799595 199.847441 203.512478 12 h after dark 139.987054 139.987054 139.987054