condition mean min max 4 h after light 339.188941 260.17663 418.201252 8 h after light 194.047549 157.039491 231.055607 12 h after light 171.4623455 136.272395 206.652296 4 h after dark 120.3506475 110.232057 130.469238 8 h after dark 190.143338 183.054619 197.232057 12 h after dark 804.078211 804.078211 804.078211