condition	mean	min	max
0 h after light	14.31835	14.1804	14.4563
4 h after light	22.40045	21.788	23.0129
8 h after light	10.34521	9.96372	10.7267
4 h after dark	14.52935	10.9442	18.1145
8 h after dark	19.36205	19.1319	19.5922
12 h after dark	16.159299999999998	11.4292	20.8894