condition mean min max 0 h after light 0.309167 0.0 0.618334 4 h after light 0.9331940000000001 0.608558 1.25783 8 h after light 0.3053285 0.0 0.610657 4 h after dark 0.4564475 0.0 0.912895 8 h after dark 0.1519745 0.0 0.303949 12 h after dark 0.308202 0.0 0.616404