condition mean min max 4 h after light 176.8621495 176.30898 177.415319 8 h after light 187.0292615 178.723032 195.335491 12 h after light 282.9659545 242.400753 323.531156 4 h after dark 303.075654 278.397112 327.754196 8 h after dark 328.462826 249.539749 407.385903 12 h after dark 257.522482 257.522482 257.522482