condition mean min max 4 h after light 5.610284999999999 5.19572 6.02485 8 h after light 3.030515 2.77255 3.28848 12 h after light 3.252675 3.15326 3.35209 4 h after dark 4.327323333333333 4.00376 4.52505 8 h after dark 5.090583333333333 4.50958 5.50676 12 h after dark 7.40071 6.75581 8.53245