condition mean min max 0 h after light 14.76915 14.7088 14.8295 4 h after light 8.221575000000001 7.36833 9.07482 8 h after light 4.31311 4.08399 4.54223 4 h after dark 8.97962 7.30904 10.6502 8 h after dark 9.449774999999999 9.39766 9.50189 12 h after dark 11.90473 9.57226 14.2372