condition mean min max 0 h after light 19.9132 19.2658 20.5606 2 h after light 15.557 15.2896 15.8244 4 h after light 19.012349999999998 18.8128 19.2119 8 h after light 19.7695 18.0877 21.4513 12 h after light 26.767 24.8782 28.6558 2 h after dark 35.92185 34.6888 37.1549 4 h after dark 24.62355 19.7995 29.4476 8 h after dark 27.6605 26.7352 28.5858 12 h after dark 26.33655 25.1056 27.5675