condition mean min max 0 h after light 14.0439 12.9123 15.1755 2 h after light 10.894385 9.25067 12.5381 4 h after light 8.030525 7.52426 8.53679 8 h after light 6.855675 5.79444 7.91691 12 h after light 12.0702 11.1038 13.0366 2 h after dark 8.552859999999999 7.99962 9.1061 4 h after dark 9.237645 8.01959 10.4557 8 h after dark 16.80975 15.6121 18.0074 12 h after dark 10.669945 9.24069 12.0992