condition mean min max 2 h after light 181.84833333333333 180.759 183.935 6 h after light 107.676 102.787 111.011 10 h after light 69.9513 65.8203 75.111 2 h after dark 53.18273333333333 51.3637 54.2052 6 h after dark 67.19056666666667 65.5656 69.7794 10 h after dark 87.8696 86.6513 89.5369