condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.07349755 0.0453691 0.101626 12 h after light 0.04137255 0.0 0.0827451 4 h after dark 0.0731073 0.0361616 0.110053 8 h after dark 0.0181216 0.0 0.0362432 12 h after dark 0.0 0.0 0.0