condition	mean	min	max
4 h after light	17.94235	16.4248	19.4599
8 h after light	16.4707	15.4199	17.5215
12 h after light	35.972049999999996	35.0161	36.928
4 h after dark	52.0711	46.1221	57.0346
8 h after dark	29.8145	27.7078	32.0255
12 h after dark	19.849833333333333	17.2122	22.4368