condition mean min max 4 h after light 1157.7505554333334 886.7433333 1408.505 8 h after light 1130.8299999 669.1766667 1672.59 12 h after light 2687.6422222333335 704.2066667 3734.273333 1.5 h after dark 3885.8255553333333 2172.45 5011.013333 5.5 h after dark 1804.861111 1440.496667 2207.653333 9.5 h after dark 1180.1311113333331 1017.68 1348.736667