condition mean min max 4 h after light 4.883839999999999 4.2261 5.54158 8 h after light 2.411855 2.30293 2.52078 12 h after light 0.7442515000000001 0.403973 1.08453 4 h after dark 3.25343 2.98723 3.58016 8 h after dark 3.534 2.35317 4.66724 12 h after dark 1.5882 0.0 3.51049