condition mean min max 4 h after light 0.4421523 0.0 1.23078 8 h after light 0.284501 0.125356 0.385298 12 h after light 0.2666777 0.0633091 0.392809 4 h after dark 0.258616 0.104776 0.493385 8 h after dark 0.11564733333333334 0.0 0.182537 12 h after dark 0.429667 0.385516 0.470957