condition mean min max 4 h after light 409.59646299999997 397.890996 421.30193 8 h after light 450.708089 421.001288 480.41489 12 h after light 394.644452 390.227624 399.06128 4 h after dark 421.6272805 370.544859 472.709702 8 h after dark 465.1536525 431.569585 498.73772 12 h after dark 317.521742 317.521742 317.521742