condition mean min max 0 h after light 1390.7849999999999 1388.35 1393.22 4 h after light 1836.8049999999998 1767.49 1906.12 8 h after light 1754.54 1711.16 1797.92 4 h after dark 1060.245 1038.18 1082.31 8 h after dark 1179.56 1177.73 1181.39 12 h after dark 1617.7849999999999 1548.72 1686.85