condition	mean	min	max
4 h after light	19.5764635	15.473821	23.679106
8 h after light	22.5520585	22.315223	22.788894
12 h after light	25.2202755	18.875992	31.564559
4 h after dark	21.7032315	18.84027	24.566193
8 h after dark	17.0941735	16.889849	17.298498
12 h after dark	16.449591	16.449591	16.449591