condition	mean	min	max
0 h after light	6.114134999999999	6.04815	6.18012
4 h after light	19.375500000000002	16.9353	21.8157
8 h after light	29.6633	28.69	30.6366
4 h after dark	12.5591	12.1177	13.0005
8 h after dark	21.2986	20.3718	22.2254
12 h after dark	9.953965	7.97283	11.9351