condition mean min max 4 h after light 1171.6984575000001 1073.56756 1269.829355 8 h after light 791.099455 721.659161 860.539749 12 h after light 677.566328 613.565543 741.567113 4 h after dark 913.909781 754.252002 1073.56756 8 h after dark 1422.0849910000002 1240.312188 1603.857794 12 h after dark 1371.906664 1371.906664 1371.906664