condition mean min max 4 h after light 0.11758529333333334 0.0 0.349791 8 h after light 1.4042193333333333 0.481068 1.96739 12 h after light 0.8492443333333333 0.829846 0.864459 4 h after dark 1.14419 0.91249 1.33479 8 h after dark 0.326218 0.0 0.765213 12 h after dark 0.415926 0.25938 0.694014