condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 9 h after light 0.180126 0.0 0.540378 12 h after light 0.0 0.0 0.0 3 h after dark 4.18711 1.82395 7.92817 6 h after dark 1.3994133333333334 0.0 2.51054 9 h after dark 0.40364 0.0 1.21092 12 h after dark 0.0 0.0 0.0