condition mean min max 4 h after light 127.89046149999999 88.965559 166.815364 8 h after light 66.6366715 45.60982 87.663523 12 h after light 50.515201000000005 35.061682 65.96872 4 h after dark 51.059360999999996 40.114153 62.004569 8 h after dark 39.411500000000004 29.851906 48.971094 12 h after dark 189.924519 189.924519 189.924519