condition mean min max 4 h after light 0.151886 0.0 0.303772 8 h after light 0.0648985 0.0 0.129797 12 h after light 0.0 0.0 0.0 4 h after dark 0.3353294 2.02e-05 0.816172 8 h after dark 0.0010576666666666666 0.0 0.003173 12 h after dark 0.36690303333333335 0.0917151 0.718676