condition mean min max 3 h after light 1.778113 0.173129 3.71387 6 h after light 0.31545999999999996 0.0 0.817337 9 h after light 8.95041 1.71736 22.1131 12 h after light 11.310236666666666 4.7539 20.5052 3 h after dark 7.276373333333334 4.77079 10.5143 6 h after dark 2.7434366666666667 2.24401 3.12879 9 h after dark 2.91081 0.0 7.84894 12 h after dark 1.5187713333333333 0.155237 4.03135