condition mean min max 4 h after light 10.9059 5.2284 16.5834 8 h after light 14.0517 10.9667 17.1367 12 h after light 15.2711 13.6319 16.9103 4 h after dark 22.1297 19.2383 24.3008 8 h after dark 11.96434 9.61762 15.8121 12 h after dark 14.2664 11.8034 17.2965