condition mean min max 4 h after light 49.746849999999995 48.9208 50.5729 8 h after light 43.15915 42.4993 43.819 12 h after light 47.0839 45.3477 48.8201 4 h after dark 51.099133333333334 47.7044 56.7881 8 h after dark 57.7174 57.0322 58.7001 12 h after dark 53.925 49.1851 57.5436