condition mean min max 2 h after light 38.1952 36.6397 40.0418 6 h after light 18.869433333333333 18.131 19.9676 10 h after light 10.25507 9.16971 11.5651 2 h after dark 7.0236133333333335 6.83022 7.25564 6 h after dark 11.4132 11.3503 11.5234 10 h after dark 19.924733333333332 19.1264 20.5669