condition mean min max 3 h after light 0.05139366666666667 0.0 0.154181 6 h after light 0.0 0.0 0.0 9 h after light 0.046356966666666666 0.0 0.0764393 12 h after light 0.016001325 0.0 0.0640053 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