condition	mean	min	max
4 h after light	18.38505	17.444	19.3261
8 h after light	28.5764	27.2302	29.9226
12 h after light	25.80405	25.3921	26.216
4 h after dark	43.7923	40.6505	46.9341
8 h after dark	35.8819	34.5196	37.2442
12 h after dark	29.0244	28.458	29.5908