condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.15598833333333334 0.0 0.467965 9 h after light 0.3063653333333333 0.0 0.584347 12 h after light 0.0 0.0 0.0 3 h after dark 0.0 0.0 0.0 6 h after dark 0.0 0.0 0.0 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0