condition	mean	min	max
4 h after light	12.87412	9.70554	16.0427
8 h after light	29.76145	28.7103	30.8126
12 h after light	66.93090000000001	62.1926	71.6692
4 h after dark	76.24780000000001	68.9822	83.5134
8 h after dark	42.69385	42.3496	43.0381
12 h after dark	25.9876	22.3557	29.6195