Mars Exploration Rover (MER) Data Release Calendar

Release	Release Date	Data Coverage
20	May 15, 2009	Sols 1621 - 1710
21	August 17, 2009	Sols 1711 - 1800
22	November 18, 2009	Sols 1801 - 1890
23	February 10, 2010	Sols 1891 - 1980
24	May 19, 2010	Sols 1981 - 2070
25	August 20, 2010	Sols 2071 - 2160
26	November 23, 2010	Sols 2161 - 2250
27	February 23, 2011	Sols 2251 - 2340
28	May 24, 2011	Sols 2341 - 2430
29	August 24, 2011	Sols 2431 - 2520
30	November 28, 2011	Sols 2521 - 2610
31	February 28, 2012	Sols 2611 - 2700
32	May 29, 2012	Sols 2701 - 2790
33	August 28, 2012	Sols 2791 - 2880
34	November 21, 2012	Sols 2881 - 2970
35	February 22, 2013	Sols 2971-3060
36	May 24, 2013	Sols 3061-3150
37	August 23, 2013	Sols 3151-3240
38	December 6, 2013	Sols 3241-3330
39	March 7, 2014	Sols 3331-3420
40	June 9, 2014	Sols 3421-3510
41	September 11, 2014	Sols 3511-3600
42	December 12, 2014	Sols 3601-3690
43	March 12, 2015	Sols 3691-3780
44	June 12, 2015	Sols 3781-3870
45	September 16, 2015	Sols 3871-3960
46	December 16, 2015	Sols 3961-4050
47	March 17, 2016	Sols 4051-4140
48	June 17, 2016	Sols 4141-4230
49	September 19, 2016	Sols 4231-4320
50	December 19, 2016	Sols 4321-4410
51	March 16, 2017	Sols 4411-4500
52	June 21, 2017	Sols 4501-4590
53	September 21, 2017	Sols 4591-4680
54	December 21, 2017	Sols 4681-4770
55	March 23, 2018	Sols 4771-4860
56	June 26, 2018	Sols 4861-4950
57	September 28, 2018	Sols 4951-5040
58	December 28, 2018	Sols 5041-5130