APRIL 2018 GDAS DATA DUMPS (RECEIVED)

Category	Subcategory	T00Z	T06Z	T12Z	T18Z	Total Number	Total Input	% Input
Land Sfc	Synoptic	23103	23712	24072	23225	94112	94112	*
*	METAR	46526	48331	50046	48579	193482	193482	*
*	sub-total	69629	72043	74118	71804	287594	287594	****
Marine Sfc	Ship	1469	1455	1423	1428	5775	5775	*
*	Drifting Buoy	3344	3217	3315	3323	13199	13199	*
*	Moored Buoy	3724	3691	3717	3674	14806	14806	*
*	CMAN	4209	4174	4213	4221	16817	16817	*
*	Tide Gauge	5588	5582	5597	5600	22367	22367	*
*	MSLP Bogus**	0	0	0	0	0	*	*
*	sub-total	18334	18119	18265	18246	72964	72964	****
Land Soundings	Fixed Land RAOB	689	36	660	30	1415	1415	*
*	Mobile Land RAOB	0	0	0	0	0	0	*
*	Ship RAOB	1	0	3	2	6	6	*
*	Dropsonde	1	0	0	0	1	1	*
*	Pibal	72	94	76	67	309	309	*
*	Profiler	4	2	3	2	11	11	*
*	NEXRAD Wind	1757	1774	1693	1757	6981	6981	*
*	sub-total	2524	1906	2435	1858	8723	8723	****
Aircraft	AIREP	4774	6929	7110	4425	23238	23238	*
*	PIREP	396	69	408	627	1500	1500	*
*	AMDAR	8932	11472	9129	3636	33169	33169	*
*	ACARS	176929	78565	120473	179070	555037	555037	*
*	RECCO	2	0	0	4	6	6	*
*	sub-total	191033	97035	137120	187762	612950	612950	****
Total	non-satellite	281520	189103	231938	279670	982231	982231	****

**    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.

APRIL 2018 GDAS SATELLITE DATA DUMPS (DAILY AVERAGE RECEIVED)

Category	Subcategory	T00Z	T06Z	T12Z	T18Z	Total Number
Satellite Soundings	GOES	4104373	3171427	3165179	4089329	14530308
Ozone	OZONE	7067	7055	7259	7100	28481
Satellite Winds	SATWND	1353017	1447226	1650396	1788837	6239476
Scatterometer Winds	QUIKSCAT	0	0	0	0	0
DMSP	SSMI RADIANCES
*	SSMI RAINFALL RATES
Cosmic/gps	COSMIC	99154	92368	106554	107325	405401
Satellite Surface	NASA TRMM DATA
Satellite Radiances	HIRS3 1B
*	HIRS4 1B	7980613	7652394	7690852	7948644	31272503
*	AMSUA 1B**	14594726	14006455	14846942	14443297	57891420
*	AMSUB 1B
*	MHS	11396226	10521851	11248672	11352384	44519133
*	AIRS	162673176	162255863	162251592	159260178	646440809
*	ATMS	603783	606997	607502	609899	2428181
*	AVHRR	9627426	8149782	9150195	9120555	36047958
*	CRIS	35154627	34318988	36188675	36954702	142616992
*	GOME	81043	78981	78297	81738	320059
*	IASI	342331775	295355635	312679362	309106192	1259472964
*	OMI	249640	298224	309334	320332	1177530
*	SAPHIR	8250988	7007541	8197097	8128779	31584405
*	SEVIRI	1323934	1359677	1362585	1305441	5351637
*	SSMIS	31077580	29297382	29762760	30524650	120662372
Total	Satellites Received	630909148	575627846	599303253	595149382	2400989629

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

APRIL 2018 GDAS SATELLITE DATA DUMPS (DAILY AVERAGE SELECTED)

Category	Subcategory	T00Z	T06Z	T12Z	T18Z	Total Number
Satellite Soundings	GOES	58372	52670	52406	58609	222057
Ozone	OZONE	6930	6653	6822	6954	27359
Satellite Winds	SATWND	1353017	1447226	1650396	1788837	6239476
Scatterometer Winds	QUIKSCAT	0	0	0	0	0
DMSP	SSMI RADIANCES
*	SSMI RAINFALL RATES
Cosmic/gps	COSMIC	97629	90700	104771	105670	398770
Satellite Surface	NASA TRMM DATA
Satellite Radiances	HIRS3 1B
*	HIRS4 1B	521703	501752	500979	519175	2043609
*	AMSUA 1B**	716095	672676	715326	716680	2820777
*	AMSUB 1B
*	MHS	187642	174864	184178	186858	733542
*	AIRS	2248914	2251346	2254698	2214494	8969452
*	ATMS	223460	224990	223252	223614	895316
*	AVHRR	44340	38304	42934	44059	169637
*	CRIS	4763670	4733243	4782649	4729965	19009527
*	GOME	6010	5903	5909	6007	23829
*	IASI	10077408	9659848	9779048	9989601	39505905
*	OMI	2309	2793	2859	3003	10964
*	SAPHIR	54271	50158	55962	51988	212379
*	SEVIRI	28889	26971	28514	29092	113466
*	SSMIS	492321	470717	476965	484946	1924949
Total	Satellites Selected	20882980	20410814	20867668	21159552	83321014

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

APRIL 2018 GDAS SATELLITE DATA DUMPS (DAILY AVERAGE ASSIMILATED)

Category	Subcategory	T00Z	T06Z	T12Z	T18Z	Total Number
Satellite Soundings	GOES	23126	16192	20414	24653	84385
Ozone	OZONE	5040	4838	4958	5057	19893
Satellite Winds	SATWND	1353017	1447226	1650396	1788837	6239476
Scatterometer Winds	QUIKSCAT	0	0	0	0	0
DMSP	SSMI RADIANCES
*	SSMI RAINFALL RATES
Cosmic/gps	COSMIC	70266	64772	76335	77261	288634
Satellite Surface	NASA TRMM DATA
Satellite Radiances	HIRS3 1B
*	HIRS4 1B	0	0	0	0	0
*	AMSUA 1B**	446234	418279	445937	454508	1764958
*	AMSUB 1B
*	MHS	101167	93652	99213	99572	393604
*	AIRS	545909	524935	542035	522425	2135304
*	ATMS	148135	142135	148548	138511	577329
*	AVHRR	16280	14886	15675	16413	63254
*	CRIS	266901	261290	269835	259734	1057760
*	GOME	0	0	0	0	0
*	IASI	1615381	1566195	1564645	1623730	6369951
*	OMI	2309	2793	2859	3002	10963
*	SAPHIR	0	0	0	0	0
*	SEVIRI	0	0	0	0	0
*	SSMIS	45621	45498	43634	45168	179921
Total	Satellites Assimilated	4639386	4602691	4884484	5058871	19185432

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