condition mean min max 0 h after light 3.9313700000000003 3.37889 4.48385 2 h after light 2.28273 1.79673 2.76873 4 h after light 4.349615 3.64474 5.05449 8 h after light 8.200475 6.48288 9.91807 12 h after light 11.38725 11.2584 11.5161 2 h after dark 9.28888 8.53996 10.0378 4 h after dark 6.881285 5.14345 8.61912 8 h after dark 8.722385 5.59307 11.8517 12 h after dark 4.432475 3.11108 5.75387