condition mean min max 3 h after light 12.6394025 7.57109 20.1369 7 h after light 13.9369475 7.06274 20.0159 11 h after light 12.6211 6.74619 18.0439 2 h after dark 12.030805 8.99114 16.392 6 h after dark 11.649458333333333 6.6324 15.7429 10 h after dark 10.266593333333333 6.14407 14.1439