condition mean min max 3 h after light 50.41453333333333 46.7936 53.3857 6 h after light 46.443733333333334 34.2487 55.4156 9 h after light 43.1252 39.3234 48.8131 12 h after light 50.569375 42.964 58.7078 3 h after dark 58.44546666666666 52.0423 64.0208 6 h after dark 49.8505 44.374 54.4875 9 h after dark 45.35863333333334 38.4358 50.2376 12 h after dark 48.872749999999996 45.7953 51.9502