condition mean min max 2 h after light 21.9614 20.3814 22.7584 6 h after light 23.342433333333332 22.0404 24.173 10 h after light 29.2361 27.7856 31.049 2 h after dark 39.7306 36.338 42.7018 6 h after dark 38.9509 37.8187 40.3587 10 h after dark 29.316866666666666 28.1771 30.043