condition mean min max 4 h after light 12.1049375 10.274251 13.935624 8 h after light 11.609568 10.947447 12.271689 12 h after light 10.618709500000001 9.385908 11.851511 4 h after dark 12.7420655 10.969022 14.515109 8 h after dark 13.7438735 11.74225 15.745497 12 h after dark 9.762382 9.762382 9.762382