condition mean min max 4 h after light 16.6000975 13.433484 19.766711 8 h after light 13.226215499999999 13.000302 13.452129 12 h after light 18.899764 14.325938 23.47359 4 h after dark 12.324237 11.887563 12.760911 8 h after dark 10.7047415 10.391312 11.018171 12 h after dark 22.914115 22.914115 22.914115