condition mean min max 4 h after light 5.085 4.49985 5.67015 8 h after light 5.621205 5.20455 6.03786 12 h after light 5.094995 4.84775 5.34224 4 h after dark 6.037423333333334 5.74799 6.60066 8 h after dark 5.787883333333333 5.19576 6.56679 12 h after dark 4.981353333333333 3.61526 5.77448