condition mean min max 3 h after light 1.4408986666666665 0.460926 2.2323 6 h after light 1.4092419999999999 0.819276 2.13286 9 h after light 0.6519033333333333 0.588375 0.718088 12 h after light 2.6313287499999998 0.578833 6.31345 3 h after dark 7.647460000000001 6.71182 9.1462 6 h after dark 8.91222 6.66916 12.0798 9 h after dark 7.321933333333333 6.45198 8.76554 12 h after dark 7.964485 7.01592 8.91305