condition mean min max 0 h after light 22.53315 20.928 24.1383 4 h after light 24.6997 23.2764 26.123 8 h after light 39.7262 36.9497 42.5027 4 h after dark 45.132000000000005 44.8485 45.4155 8 h after dark 36.58785 35.0035 38.1722 12 h after dark 19.3305 16.1246 22.5364