condition mean min max 0 h after light 88.51165 88.3559 88.6674 4 h after light 43.72095 40.3882 47.0537 8 h after light 44.43595 43.8324 45.0395 4 h after dark 41.1466 40.7375 41.5557 8 h after dark 33.217 31.7445 34.6895 12 h after dark 49.7003 35.6669 63.7337