condition mean min max 0 h after light 19.6526 19.559 19.7462 4 h after light 34.93945 33.2286 36.6503 8 h after light 49.43325 44.9392 53.9273 4 h after dark 33.907849999999996 33.8833 33.9324 8 h after dark 27.762500000000003 26.7968 28.7282 12 h after dark 18.045650000000002 15.1224 20.9689