DECEMBER 2017 GDAS DATA DUMPS (RECEIVED)

Category	Subcategory	T00Z	T06Z	T12Z	T18Z	Total Number	Total Input	% Input
Land Sfc	Synoptic	23078	23541	24195	23377	94191	94191	*
*	METAR	47669	49188	50621	49315	196793	196793	*
*	sub-total	70747	72729	74816	72692	290984	290984	****
Marine Sfc	Ship	1413	1434	1387	1387	5621	5621	*
*	Drifting Buoy	3687	3694	3714	3805	14900	14900	*
*	Moored Buoy	3562	3575	3579	3563	14279	14279	*
*	CMAN	4132	4120	4141	4169	16562	16562	*
*	Tide Gauge	5893	5891	5809	5813	23406	23406	*
*	MSLP Bogus**	0	0	0	0	0	*	*
*	sub-total	18687	18714	18630	18737	74768	74768	****
Land Soundings	Fixed Land RAOB	672	35	629	37	1373	1373	*
*	Mobile Land RAOB	0	0	0	0	0	0	*
*	Ship RAOB	3	2	4	2	11	11	*
*	Dropsonde	0	0	0	0	0	0	*
*	Pibal	82	98	88	71	339	339	*
*	Profiler	3	2	3	2	10	10	*
*	NEXRAD Wind	1552	1495	1459	1574	6080	6080	*
*	sub-total	2312	1632	2183	1686	7813	7813	****
Aircraft	AIREP	3416	7118	6086	4999	21619	21619	*
*	PIREP	493	108	340	678	1619	1619	*
*	AMDAR	11500	14851	10904	4522	41777	41777	*
*	ACARS	176817	93123	96110	176482	542532	542532	*
*	RECCO	1	0	0	3	4	4	*
*	sub-total	192227	115200	113440	186684	607551	607551	****
Total	non-satellite	283973	208275	209069	279799	981116	981116	****

**    Data is not used or included in totals.
***   Data is now dumped from BUFR database. Previous numbers reflected thinning, which is now all done in the analysis.
****  % Input is no longer available due innacuracy and ambiguity.

DECEMBER 2017 GDAS SATELLITE DATA DUMPS (DAILY AVERAGE RECEIVED)

Category	Subcategory	T00Z	T06Z	T12Z	T18Z	Total Number
Satellite Soundings	GOES	3844784	3319965	3440648	3793556	14398953
Ozone	OZONE	7203	7093	7217	7117	28630
Satellite Winds	SATWND	1134435	1419174	1415727	1320113	5289449
Scatterometer Winds	QUIKSCAT	0	0	0	0	0
DMSP	SSMI RADIANCES
*	SSMI RAINFALL RATES
Cosmic/gps	COSMIC	113044	117731	120030	114635	465440
Satellite Surface	NASA TRMM DATA
Satellite Radiances	HIRS3 1B
*	HIRS4 1B	8030102	8029770	8072051	8011161	32143084
*	AMSUA 1B**	14520652	13944836	14816372	14430242	57712102
*	AMSUB 1B
*	MHS	11386757	10755081	11406213	11453618	45001669
*	AIRS	160226699	159141268	161342803	158698059	639408829
*	ATMS	616149	623364	621424	623344	2484281
*	AVHRR	8145177	7380758	7626465	7915751	31068151
*	CRIS	34344079	34243802	35075035	36899584	140562500
*	GOME	104666	104524	104176	104057	417423
*	IASI	535812578	494081021	554479087	542176672	2126549358
*	OMI	245801	329431	330368	347973	1253573
*	SAPHIR	2398012	3674831	2566925	1338657	9978425
*	SEVIRI	2662340	2735296	2773926	2683635	10855197
*	SSMIS	31011474	30822051	30849766	30325695	123008986
Total	Satellites Received	814603952	770729996	835048233	820243869	3240626050

** Counts include AMSU-A radiances from the AQUA satellite .

DECEMBER 2017 GDAS SATELLITE DATA DUMPS (DAILY AVERAGE SELECTED)

Category	Subcategory	T00Z	T06Z	T12Z	T18Z	Total Number
Satellite Soundings	GOES	58903	54475	56250	59970	229598
Ozone	OZONE	7060	6938	7124	6978	28100
Satellite Winds	SATWND	1134435	1419174	1415727	1320113	5289449
Scatterometer Winds	QUIKSCAT	0	0	0	0	0
DMSP	SSMI RADIANCES
*	SSMI RAINFALL RATES
Cosmic/gps	COSMIC	110547	115079	117261	112236	455123
Satellite Surface	NASA TRMM DATA
Satellite Radiances	HIRS3 1B
*	HIRS4 1B	523784	523816	522483	522657	2092740
*	AMSUA 1B**	716676	689306	715464	718138	2839584
*	AMSUB 1B
*	MHS	187541	177940	186143	188439	740063
*	AIRS	2227255	2230143	2253185	2222180	8932763
*	ATMS	228472	231080	229490	230948	919990
*	AVHRR	41616	37604	40137	43429	162786
*	CRIS	4762089	4780468	4748263	4785603	19076423
*	GOME	7648	7617	7631	7512	30408
*	IASI	12461410	12238315	12456080	12451408	49607213
*	OMI	2387	3131	3134	3347	11999
*	SAPHIR	18432	23761	17235	10902	70330
*	SEVIRI	52392	51570	52611	53247	209820
*	SSMIS	490915	490232	491196	481599	1953942
Total	Satellites Selected	23031562	23080649	23319414	23218706	92650331

** Counts include AMSU-A radiances from the AQUA satellite .

DECEMBER 2017 GDAS SATELLITE DATA DUMPS (DAILY AVERAGE ASSIMILATED)

Category	Subcategory	T00Z	T06Z	T12Z	T18Z	Total Number
Satellite Soundings	GOES	25295	18650	20083	24828	88856
Ozone	OZONE	5130	5045	5170	5049	20394
Satellite Winds	SATWND	1134435	1419174	1415727	1320113	5289449
Scatterometer Winds	QUIKSCAT	0	0	0	0	0
DMSP	SSMI RADIANCES
*	SSMI RAINFALL RATES
Cosmic/gps	COSMIC	80185	83898	85884	81863	331830
Satellite Surface	NASA TRMM DATA
Satellite Radiances	HIRS3 1B
*	HIRS4 1B	0	0	0	0	0
*	AMSUA 1B**	439493	426439	442125	448765	1756822
*	AMSUB 1B
*	MHS	102340	97897	102332	104441	407010
*	AIRS	533972	520805	545469	529186	2129432
*	ATMS	148323	143761	151384	141678	585146
*	AVHRR	14678	14579	13819	15662	58738
*	CRIS	273649	272792	275434	272727	1094602
*	GOME	0	0	0	0	0
*	IASI	1995770	2000902	1964483	2023235	7984390
*	OMI	2387	3130	3134	3347	11998
*	SAPHIR	0	0	0	0	0
*	SEVIRI	6417	6397	6588	6464	25866
*	SSMIS	44928	46740	45209	44951	181828
Total	Satellites Assimilated	4807002	5060209	5076841	5022309	19966361

** Counts include AMSU-A radiances from the AQUA satellite .