condition	mean	min	max
4 h after light	13.12035	12.5009	13.7398
8 h after light	13.33745	12.6407	14.0342
12 h after light	15.193000000000001	13.568	16.818
4 h after dark	22.92875	19.7846	26.0729
8 h after dark	17.7183	17.5362	17.9004
12 h after dark	18.1417	17.5321	18.7513