condition mean min max 4 h after light 82.4430885 76.694922 88.191255 8 h after light 160.268414 106.032287 214.504541 12 h after light 95.7458785 80.773265 110.718492 4 h after dark 172.22495 153.385903 191.063997 8 h after dark 60.887480000000004 47.646636 74.128324 12 h after dark 59.790996 59.790996 59.790996