condition	mean	min	max
4 h after light	741.0477778	656.6066667	836.1566667
8 h after light	689.8844444333333	585.91	746.58
12 h after light	606.1311111	544.21	657.8933333
1.5 h after dark	547.2955555666666	497.03	643.62
5.5 h after dark	695.4922222333333	671.24	712.9566667
9.5 h after dark	644.4811111	618.72	668.4633333