condition mean min max 3 h after light 4.43255 4.21619 4.74112 6 h after light 4.667883333333333 4.30184 4.94627 9 h after light 3.927573333333333 3.09851 4.35521 12 h after light 4.2369475 2.30205 6.73566 3 h after dark 6.23843 3.96606 7.84407 6 h after dark 7.627433333333333 5.30472 9.09597 9 h after dark 7.31545 4.5743 8.91237 12 h after dark 6.894245 6.63105 7.15744