condition mean min max 0 h after light 18.73205 18.4256 19.0385 2 h after light 9.882505 8.93611 10.8289 4 h after light 6.399315 5.59246 7.20617 8 h after light 4.158075 3.77609 4.54006 12 h after light 4.676394999999999 4.49543 4.85736 2 h after dark 13.727450000000001 10.126 17.3289 4 h after dark 14.271 11.8152 16.7268 8 h after dark 18.336550000000003 16.9113 19.7618 12 h after dark 21.505650000000003 21.2984 21.7129