condition	mean	min	max
4 h after light	2.97198	2.47138	3.47258
8 h after light	1.8701699999999999	1.84331	1.89703
12 h after light	2.639785	2.48326	2.79631
4 h after dark	7.87044	7.2072	8.53368
8 h after dark	6.3439250000000005	6.1033	6.58455
12 h after dark	5.086315	4.70067	5.47196