condition	mean	min	max
4 h after light	14.934566499999999	14.157928	15.711205
8 h after light	17.453772999999998	16.292679	18.614867
12 h after light	14.101037999999999	12.967251	15.234825
4 h after dark	14.379317	12.566196	16.192438
8 h after dark	14.606056500000001	12.252437	16.959676
12 h after dark	15.207441	15.207441	15.207441