condition mean min max 4 h after light 0.01739945 0.0127713 0.0220276 8 h after light 0.011337340000000001 0.00872728 0.0139474 12 h after light 0.0186428 0.0101703 0.0271153 4 h after dark 0.03879693333333333 0.024113 0.0492103 8 h after dark 0.009929333333333333 0.0 0.0170318 12 h after dark 0.003963466666666667 0.0 0.0118904