condition mean min max 4 h after light 696.927183 658.449593 735.404773 8 h after light 691.0075919999999 646.462826 735.552358 12 h after light 811.9306065000001 757.459701 866.401512 4 h after dark 701.216096 691.238037 711.194155 8 h after dark 758.6422975 678.619906 838.664689 12 h after dark 716.956197 716.956197 716.956197