condition mean min max 4 h after light 3.455469 3.361564 3.548611 8 h after light 4.276009666666667 3.116645 5.963962 12 h after light 8.617519 7.4650490000000005 10.29304 16 h after light 3.4296436666666668 3.156006 3.8713620000000004 4 h after dark 2.7711193333333335 2.4359330000000003 3.165101 8 h after dark 2.8189766666666665 1.6273030000000002 5.007676999999999