condition mean min max 0 h after light 17.2788 16.8881 17.6695 2 h after light 21.37305 21.1483 21.5978 4 h after light 16.6225 15.4996 17.7454 8 h after light 16.376800000000003 16.1461 16.6075 12 h after light 18.13995 17.0738 19.2061 2 h after dark 20.5486 17.9502 23.147 4 h after dark 19.1066 18.5675 19.6457 8 h after dark 18.3164 17.5581 19.0747 12 h after dark 17.28405 16.8265 17.7416