condition mean min max 3 h after light 40.2219 32.7628 45.663 6 h after light 39.0025 27.5466 45.8161 9 h after light 40.912800000000004 37.1717 44.9155 12 h after light 44.205075 38.8755 50.2924 3 h after dark 49.8148 45.6619 54.531 6 h after dark 37.0713 33.0178 41.5858 9 h after dark 33.347833333333334 30.2917 37.7099 12 h after dark 37.57085 36.4234 38.7183