condition mean min max 4 h after light 347.1309555 317.847441 376.41447 8 h after light 500.99519250000003 403.816859 598.173526 12 h after light 422.053338 345.30898 498.797696 4 h after dark 410.6382355 388.634281 432.64219 8 h after dark 326.2012155 288.462826 363.939605 12 h after dark 308.354207 308.354207 308.354207