condition mean min max 0 h after light 5.767285 5.48001 6.05456 2 h after light 3.8513149999999996 3.72347 3.97916 4 h after light 5.165645 4.64961 5.68168 8 h after light 27.56535 26.6041 28.5266 12 h after light 32.63485 29.7137 35.556 2 h after dark 27.49135 21.3996 33.5831 4 h after dark 22.1329 20.6183 23.6475 8 h after dark 10.75918 9.88966 11.6287 12 h after dark 6.62258 5.42379 7.82137