condition mean min max 4 h after light 11.402178 10.792608 12.011748 8 h after light 10.603788999999999 10.41497 10.792608 12 h after light 11.0779055 10.828495 11.327316 4 h after dark 11.342634499999999 10.817598 11.867671 8 h after dark 10.5764365 10.360265 10.792608 12 h after dark 9.538025 9.538025 9.538025