condition mean min max 0 h after light 99.0987 98.6381 99.5593 4 h after light 55.80185 55.536 56.0677 8 h after light 40.91715 39.149 42.6853 4 h after dark 64.1943 57.1764 71.2122 8 h after dark 97.12875 96.8688 97.3887 12 h after dark 90.62685 86.4624 94.7913