condition mean min max 0 h after light 81.51365 80.5085 82.5188 4 h after light 87.53290000000001 84.936 90.1298 8 h after light 81.21245 74.3913 88.0336 4 h after dark 49.11815 42.3068 55.9295 8 h after dark 83.92670000000001 82.5173 85.3361 12 h after dark 85.30115 83.3605 87.2418