condition mean min max 2 h after light 0.7539328333333334 0.0 2.50578 6 h after light 2.1595311666666666 0.517705 7.18389 10 h after light 0.9052321666666666 0.11962 2.02499 14 h after light 0.980473 0.288617 2.01825 18 h after light 0.5307665 0.116223 1.76131 2 h after dark 0.602517 0.0 2.0338