condition mean min max 4 h after light 5.389355 4.90855 5.87016 8 h after light 4.385895 4.11372 4.65807 12 h after light 4.606565 4.04413 5.169 4 h after dark 4.67875 4.50586 5.02312 8 h after dark 5.111883333333333 4.87293 5.26968 12 h after dark 5.2654966666666665 4.77519 6.22676