condition mean min max 1 h after light 7.735477885666667 7.433001375 7.992980267 3 h after light 6.755185923333333 4.604261193 8.697033715 5 h after light 7.621560674 6.85671635 8.770287717 7 h after light 9.025096538 8.130865952999999 9.93841547 9 h after light 8.364365801666667 6.529034617000001 9.725869853999999 11 h after light 9.049444503333334 8.144420701 10.61671089 13 h after light 8.335175494666668 8.119496662000001 8.678804472000001 15 h after light 8.735943294 7.827769042000001 10.17412321 1 h after dark 9.494236628666666 7.978337907 10.59075216 3 h after dark 9.733256397333333 8.926689006 10.66607874 5 h after dark 9.923907819666667 8.66012793 11.49775992 7 h after dark 8.385817624666666 7.884553967 9.320155072