condition	mean	min	max
4 h after light	9.476343333333334	9.23295	9.63182
8 h after light	9.62908	9.24714	9.82949
12 h after light	9.573346666666666	9.38325	9.7214
4 h after dark	9.558019999999999	9.14527	9.8936
8 h after dark	9.379233333333334	8.92928	9.619480000000001
12 h after dark	9.44214	9.18022	9.64985