condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0303619 0.0 0.0607238 12 h after light 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.43905666666666665 0.0 1.31717