condition mean min max 4 h after light 172.98832249999998 142.361572 203.615073 8 h after light 200.7247055 179.15797 222.291441 12 h after light 259.4840195 248.960201 270.007838 4 h after dark 231.14869850000002 231.143527 231.15387 8 h after dark 211.50872049999998 200.244647 222.772794 12 h after dark 144.46932 144.46932 144.46932