condition	mean	min	max
4 h after light	4.506835	3.76287	5.2508
8 h after light	4.56351	4.15291	4.97411
12 h after light	4.28462	4.157	4.41224
4 h after dark	5.16909	4.64352	5.69466
8 h after dark	4.576345	4.56961	4.58308
12 h after dark	5.006495	4.82073	5.19226