condition mean min max 3 h after light 0.26634633333333335 0.124356 0.520636 6 h after light 0.2540026 0.0776118 0.40965 9 h after light 0.5194836666666667 0.387336 0.761891 12 h after light 0.349687 0.0 0.621564 3 h after dark 0.331042 0.283139 0.358669 6 h after dark 0.29468933333333336 0.180908 0.40324 9 h after dark 0.21396533333333334 0.144661 0.345416 12 h after dark 0.2353711 0.0933663 0.316255