condition	mean	min	max
4 h after light	7.5328355	7.252192	7.813479
8 h after light	7.6919965	7.490009	7.893984
12 h after light	6.9378715	6.867432	7.008311
4 h after dark	7.13225	7.012308	7.252192
8 h after dark	7.0443750000000005	6.887575	7.201175
12 h after dark	8.570162	8.570162	8.570162