MARCH 2018 GDAS DATA DUMPS (RECEIVED)

Category	Subcategory	T00Z	T06Z	T12Z	T18Z	Total Number	Total Input	% Input
Land Sfc	Synoptic	23218	23750	24287	23626	94881	94881	*
*	METAR	47170	48121	49903	48998	194192	194192	*
*	sub-total	70388	71871	74190	72624	289073	289073	****
Marine Sfc	Ship	1438	1442	1400	1414	5694	5694	*
*	Drifting Buoy	3569	3427	3453	3468	13917	13917	*
*	Moored Buoy	3540	3499	3503	3544	14086	14086	*
*	CMAN	4097	4061	4096	4111	16365	16365	*
*	Tide Gauge	5684	5607	5631	5650	22572	22572	*
*	MSLP Bogus**	0	0	0	0	0	*	*
*	sub-total	18328	18036	18083	18187	72634	72634	****
Land Soundings	Fixed Land RAOB	689	51	645	46	1431	1431	*
*	Mobile Land RAOB	0	0	0	0	0	0	*
*	Ship RAOB	2	0	3	0	5	5	*
*	Dropsonde	2	0	0	0	2	2	*
*	Pibal	80	104	90	75	349	349	*
*	Profiler	4	2	4	2	12	12	*
*	NEXRAD Wind	1697	1680	1613	1709	6699	6699	*
*	sub-total	2474	1837	2355	1832	8498	8498	****
Aircraft	AIREP	3372	6115	6330	4613	20430	20430	*
*	PIREP	434	79	418	670	1601	1601	*
*	AMDAR	9024	11533	9126	4128	33811	33811	*
*	ACARS	175446	84580	112769	176087	548882	548882	*
*	RECCO	3	0	0	2	5	5	*
*	sub-total	188279	102307	128643	185500	604729	604729	****
Total	non-satellite	279469	194051	223271	278143	974934	974934	****

**    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.

MARCH 2018 GDAS SATELLITE DATA DUMPS (DAILY AVERAGE RECEIVED)

Category	Subcategory	T00Z	T06Z	T12Z	T18Z	Total Number
Satellite Soundings	GOES	3230637	2373372	2787494	3502942	11894445
Ozone	OZONE	7051	7180	7175	7181	28587
Satellite Winds	SATWND	1383897	1477203	1747734	1867449	6476283
Scatterometer Winds	QUIKSCAT	0	0	0	0	0
DMSP	SSMI RADIANCES
*	SSMI RAINFALL RATES
Cosmic/gps	COSMIC	113059	115629	115628	113635	457951
Satellite Surface	NASA TRMM DATA
Satellite Radiances	HIRS3 1B
*	HIRS4 1B	7794030	7824341	7761272	7762574	31142217
*	AMSUA 1B**	14417619	13935613	14813993	14029713	57196938
*	AMSUB 1B
*	MHS	11230907	10412049	11118533	11226336	43987825
*	AIRS	161035380	161491878	162374382	152698446	637600086
*	ATMS	616813	613529	623298	623283	2476923
*	AVHRR	9064493	8028678	8417776	8463397	33974344
*	CRIS	34797060	34032589	35879483	37409802	142118934
*	GOME	103315	104270	100251	101796	409632
*	IASI	414847664	372824303	389103593	378398785	1555174345
*	OMI	191743	252468	268314	263719	976244
*	SAPHIR	7497140	6706190	8177477	7512824	29893631
*	SEVIRI	1661114	1663489	1674319	1613745	6612667
*	SSMIS	30900168	29814153	30535975	29727988	120978284
Total	Satellites Received	698892090	651676934	675506697	655323615	2681399336

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

MARCH 2018 GDAS SATELLITE DATA DUMPS (DAILY AVERAGE SELECTED)

Category	Subcategory	T00Z	T06Z	T12Z	T18Z	Total Number
Satellite Soundings	GOES	54862	48892	50551	57172	211477
Ozone	OZONE	6887	6501	6345	6998	26731
Satellite Winds	SATWND	1383897	1477203	1747734	1867449	6476283
Scatterometer Winds	QUIKSCAT	0	0	0	0	0
DMSP	SSMI RADIANCES
*	SSMI RAINFALL RATES
Cosmic/gps	COSMIC	110697	113055	113001	111293	448046
Satellite Surface	NASA TRMM DATA
Satellite Radiances	HIRS3 1B
*	HIRS4 1B	508051	509603	502450	505987	2026091
*	AMSUA 1B**	703852	666754	707123	698932	2776661
*	AMSUB 1B
*	MHS	184587	172149	181186	184577	722499
*	AIRS	2239218	2245405	2262125	2123317	8870065
*	ATMS	228502	227319	230238	230260	916319
*	AVHRR	43365	38434	42648	43132	167579
*	CRIS	4728931	4673302	4770479	4768852	18941564
*	GOME	7972	8080	7821	7783	31656
*	IASI	12276870	12054186	12192495	12212564	48736115
*	OMI	1750	2394	2479	2437	9060
*	SAPHIR	50359	46938	51235	50572	199104
*	SEVIRI	35395	33408	33878	34742	137423
*	SSMIS	490208	476786	488405	473685	1929084
Total	Satellites Selected	23055403	22800409	23390193	23379752	92625757

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

MARCH 2018 GDAS SATELLITE DATA DUMPS (DAILY AVERAGE ASSIMILATED)

Category	Subcategory	T00Z	T06Z	T12Z	T18Z	Total Number
Satellite Soundings	GOES	22734	16037	19473	24389	82633
Ozone	OZONE	5009	4727	4610	5087	19433
Satellite Winds	SATWND	1383897	1477203	1747734	1867449	6476283
Scatterometer Winds	QUIKSCAT	0	0	0	0	0
DMSP	SSMI RADIANCES
*	SSMI RAINFALL RATES
Cosmic/gps	COSMIC	81945	84083	84037	82547	332612
Satellite Surface	NASA TRMM DATA
Satellite Radiances	HIRS3 1B
*	HIRS4 1B	0	0	0	0	0
*	AMSUA 1B**	438730	417521	440635	442991	1739877
*	AMSUB 1B
*	MHS	97988	92188	97050	98061	385287
*	AIRS	538445	525850	544280	505776	2114351
*	ATMS	152108	144011	153571	143041	592731
*	AVHRR	16362	15536	15083	16437	63418
*	CRIS	270582	266314	274448	271726	1083070
*	GOME	0	0	0	0	0
*	IASI	1969860	1959373	1954195	1983578	7867006
*	OMI	1750	2394	2479	2437	9060
*	SAPHIR	0	0	0	0	0
*	SEVIRI	1340	1319	1144	1131	4934
*	SSMIS	45338	45740	44688	43798	179564
Total	Satellites Assimilated	5026088	5052296	5383427	5488448	20950259

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