condition mean min max 4 h after light 0.827895 0.0 1.65579 8 h after light 2.036047 0.450664 3.62143 12 h after light 6.13291 5.11058 7.15524 4 h after dark 6.77683 5.8564 7.69726 8 h after dark 7.54738 4.58056 10.5142 12 h after dark 3.060225 2.79763 3.32282