condition mean min max 2 h after light 0.0 0.0 0.0 6 h after light 0.05910416666666667 0.0 0.193949 10 h after light 0.0266185 0.0 0.159711 14 h after light 0.15627016666666665 0.0 0.333798 18 h after light 0.1042285 0.0 0.310515 2 h after dark 0.026734333333333332 0.0 0.160406