condition mean min max 0 h after light 3.5561249999999998 3.14776 3.96449 2 h after light 8.6734 7.2066 10.1402 4 h after light 6.163985 5.86855 6.45942 8 h after light 2.76653 2.27343 3.25963 12 h after light 3.633755 3.01682 4.25069 2 h after dark 3.262755 3.07122 3.45429 4 h after dark 4.089635 4.03387 4.1454 8 h after dark 5.9377949999999995 4.88715 6.98844 12 h after dark 3.151755 3.00868 3.29483