condition mean min max 4 h after light 153.7766205 134.96637 172.586871 8 h after light 105.27600699999999 100.999111 109.552903 12 h after light 135.6180845 130.773343 140.462826 4 h after dark 127.0045825 106.309389 147.699776 8 h after dark 171.836905 169.190173 174.483637 12 h after dark 173.277037 173.277037 173.277037