condition mean min max 4 h after light 177.9718095 164.40387 191.539749 8 h after light 184.214724 144.798212 223.631236 12 h after light 84.113664 40.84319 127.384138 4 h after dark 53.2578115 52.834163 53.68146 8 h after dark 56.497991 50.546735 62.449247 12 h after dark 50.929927 50.929927 50.929927