condition mean min max 4 h after light 395.44890350000003 314.078211 476.819596 8 h after light 339.9807975 184.144525 495.81707 12 h after light 677.801517 591.476449 764.126585 4 h after dark 170.1886265 83.847731 256.529522 8 h after dark 106.6876815 54.72275 158.652613 12 h after dark 358.950981 358.950981 358.950981