condition mean min max 3 h after light 18.465666666666667 16.5108 21.5924 6 h after light 28.2648 24.8117 33.3049 9 h after light 30.3365 27.3182 35.9369 12 h after light 25.1863 22.9712 26.5025 3 h after dark 36.37716666666667 32.3856 40.473 6 h after dark 40.78366666666667 37.0807 46.4907 9 h after dark 33.256699999999995 31.0765 34.8865 12 h after dark 22.1607 21.7735 22.9336