condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.03736966666666667 0.0 0.112109 12 h after light 0.028499833333333332 0.0 0.0486577 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0