condition mean min max 4 h after light 5.32153 2.56644 6.92127 8 h after light 5.264858333333334 0.979135 10.5365 12 h after light 4.93174 3.23326 6.48453 4 h after dark 10.31583 8.30959 11.5837 8 h after dark 10.526456666666666 7.88907 12.8434 12 h after dark 7.49736 7.13249 8.15078