condition mean min max 2 h after light 4.28241 3.48996 5.13319 6 h after light 4.672996666666666 4.33149 4.94012 10 h after light 5.740843333333333 5.04198 6.27152 2 h after dark 5.90146 5.39899 6.19743 6 h after dark 5.572523333333334 5.11755 6.21231 10 h after dark 4.67742 4.50967 4.97391