condition mean min max 4 h after light 113.990585 84.822474 143.158696 8 h after light 123.568374 113.412496 133.724252 12 h after light 119.6228035 101.878257 137.36735 4 h after dark 79.406909 55.966373 102.847445 8 h after dark 76.8280355 60.132791 93.52328 12 h after dark 75.955899 75.955899 75.955899