condition mean min max 3 h after light 5.62682 3.38405 8.73995 6 h after light 3.97728 2.89317 5.66951 9 h after light 6.575113333333333 5.36162 7.82314 12 h after light 8.092885 5.17516 9.9196 3 h after dark 7.87548 6.95822 9.34351 6 h after dark 7.94431 7.3306 8.82876 9 h after dark 5.9848566666666665 5.11909 7.64806 12 h after dark 4.329565 3.93205 4.72708