condition mean min max 3 h after light 1.104465 0.0 9.70608 7 h after light 1.2814033333333334 0.0 5.97269 11 h after light 0.28704873333333336 0.0 2.27746 2 h after dark 0.7263558387333333 0.0 5.10844 6 h after dark 0.256413 0.0 2.68756 10 h after dark 0.5193930175833333 0.0 5.85118