condition mean min max 3 h after light 0.464287 0.249408 0.751583 6 h after light 0.584482 0.428665 0.828271 9 h after light 1.2149333333333332 1.08906 1.28225 12 h after light 2.5061465 0.390426 3.40129 3 h after dark 4.063256666666667 3.55108 4.8825 6 h after dark 2.16755 2.02194 2.30957 9 h after dark 1.204984 0.955482 1.51185 12 h after dark 0.6441140000000001 0.528961 0.759267