condition mean min max 2 h after light 0.7926427333333333 0.0971444 2.24139 6 h after light 1.5022635333333334 0.0926162 5.06399 10 h after light 1.6335448333333333 0.348609 4.72851 14 h after light 2.83406 0.290234 10.9188 18 h after light 2.2660679999999997 0.106423 10.9727 2 h after dark 0.420347 0.0 1.68516