condition mean min max 3 h after light 2.42356 1.8546 3.01651 6 h after light 2.001712 0.839226 3.08515 9 h after light 4.6684 3.51002 6.61299 12 h after light 4.72473 3.8949 5.47486 3 h after dark 5.152986666666667 3.46997 6.57817 6 h after dark 3.45684 2.88443 3.91139 9 h after dark 1.5587373333333332 0.676368 3.03976 12 h after dark 3.01977 2.52167 3.51787