condition mean min max 4 h after light 26.4316295 26.371409 26.49185 8 h after light 17.8093785 16.881069 18.737688 12 h after light 19.3558715 16.881069 21.830674 4 h after dark 13.239834 13.070941 13.408727 8 h after dark 14.69478 13.691758 15.697802 12 h after dark 14.789511 14.789511 14.789511