condition mean min max 4 h after light 284.025424 262.97682 305.074028 8 h after light 234.77051849999998 177.001288 292.539749 12 h after light 358.4438435 212.448227 504.43946 4 h after dark 331.18778499999996 273.528129 388.847441 8 h after dark 160.838969 137.464768 184.21317 12 h after dark 637.770518 637.770518 637.770518