condition mean min max 4 h after light 1.381335 1.01391 1.74876 8 h after light 1.38571 0.0 2.77142 12 h after light 2.2425249999999997 1.61482 2.87023 4 h after dark 4.002426666666667 1.91432 7.81356 8 h after dark 0.6751366666666666 0.0 2.02541 12 h after dark 4.6832666666666665 0.0 14.0498