condition mean min max 4 h after light 44.5876755 37.02399 52.151361 8 h after light 49.500849 48.798404 50.203294 12 h after light 38.8676545 36.771381 40.963928 4 h after dark 35.8283135 33.753329 37.903298 8 h after dark 44.6120875 44.506882 44.717293 12 h after dark 47.759118 47.759118 47.759118