condition	mean	min	max
4 h after light	13.749749999999999	11.4852	16.0143
8 h after light	18.226750000000003	17.2585	19.195
12 h after light	22.381	22.294	22.468
4 h after dark	31.935533333333332	31.2596	32.6288
8 h after dark	29.102999999999998	26.9789	31.6252
12 h after dark	21.070533333333334	20.3938	21.6988