condition mean min max 4 h after light 2.8304549999999997 1.80795 3.85296 8 h after light 6.438805 5.88533 6.99228 12 h after light 5.434055 5.41454 5.45357 4 h after dark 7.54353 7.32808 7.77028 8 h after dark 4.878066666666666 3.96157 6.21441 12 h after dark 3.6147733333333334 2.95415 3.96439