condition mean min max 4 h after light 151.367168 101.57156 201.162776 8 h after light 97.86819299999999 72.552739 123.183647 12 h after light 117.8632525 91.263679 144.462826 4 h after dark 58.559543 37.09326 80.025826 8 h after dark 32.408566 25.272786 39.544346 12 h after dark 83.383091 83.383091 83.383091