condition mean min max 4 h after light 4.589976666666667 3.54851 5.56915 8 h after light 4.190203333333334 1.22463 7.0887 12 h after light 4.249456666666667 2.46709 6.61941 4 h after dark 5.34451 3.93518 6.85197 8 h after dark 4.13509 2.83477 5.17092 12 h after dark 4.66264 4.36869 4.87855