condition mean min max 3 h after light 1.179459 0.765017 1.86592 6 h after light 1.3326630000000002 0.646099 2.1516 9 h after light 2.5587833333333334 2.00719 3.00375 12 h after light 2.08216 1.27501 3.23589 3 h after dark 1.085873 0.813749 1.29384 6 h after dark 0.7145256666666666 0.286474 0.931456 9 h after dark 0.6229926666666666 0.371678 0.916451 12 h after dark 1.2663505 0.925371 1.60733