condition mean min max 1 h after light 7.876871622333333 7.510609747999999 8.128454507999999 3 h after light 8.077936117333333 7.162263059 9.873582335 5 h after light 6.73972423 6.2286201960000005 7.056553335 7 h after light 6.935139138666667 6.573728606 7.295503012999999 9 h after light 7.1279483 6.493366237 8.385916022 11 h after light 6.5171298606666666 5.7559228860000005 7.327838493 13 h after light 6.632359409666666 6.01546765 7.284519541 15 h after light 6.9540279856666665 6.520393685 7.661994022999999 1 h after dark 6.313864975666667 4.485119688 7.595509712 3 h after dark 7.662284853333333 6.369798185 8.811155173 5 h after dark 6.288357366666666 4.669676825 7.439727008999999 7 h after dark 8.004138182666667 6.298146125 8.991980597000001