condition mean min max 3 h after light 5.1610475 3.33169 8.01038 7 h after light 3.443385833333333 2.20179 5.24652 11 h after light 2.8082458333333333 1.86662 4.14978 2 h after dark 3.2609033333333333 1.7958 4.90616 6 h after dark 4.3854375 2.80777 6.12453 10 h after dark 5.5071025 4.11667 8.71319