APRIL 2021 GDAS DATA DUMPS (RECEIVED)

Category	Subcategory	T00Z	T06Z	T12Z	T18Z	Total Number	Total Input	% Input
Land Sfc	Synoptic	7566	7855	8272	8124	31817	31817	*
*	METAR	45984	47830	49187	47648	190649	190649	*
*	sub-total	53550	55685	57459	55772	222466	222466	****
Marine Sfc	Ship	881	877	856	877	3491	3491	*
*	Drifting Buoy	390	400	390	394	1574	1574	*
*	Moored Buoy	814	772	785	845	3216	3216	*
*	CMAN	5559	5572	5280	5106	21517	21517	*
*	Tide Gauge	5419	5419	5414	5463	21715	21715	*
*	MSLP Bogus**	0	0	0	0	0	*	*
*	sub-total	13063	13040	12725	12685	51513	51513	****
Land Soundings	Fixed Land RAOB	648	34	612	32	1326	1326	*
*	Mobile Land RAOB	0	0	0	0	0	0	*
*	Ship RAOB	1	0	2	0	3	3	*
*	Dropsonde	0	0	0	0	0	0	*
*	Pibal	77	76	85	33	271	271	*
*	Profiler	0	2	0	2	4	4	*
*	NEXRAD Wind	1773	1792	1735	1767	7067	7067	*
*	sub-total	2499	1904	2434	1834	8671	8671	****
Aircraft	AIREP	2155	2877	3290	2328	10650	10650	*
*	PIREP	321	51	347	553	1272	1272	*
*	AMDAR	1530	1682	938	223	4373	4373	*
*	ACARS	110732	41221	68902	113099	333954	333954	*
*	RECCO	1	0	0	3	4	4	*
*	sub-total	114739	45831	73477	116206	350253	350253	****
Total	non-satellite	183851	116460	146095	186497	632903	632903	****

**    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 2021 GDAS SATELLITE DATA DUMPS (DAILY AVERAGE RECEIVED)

Category	Subcategory	T00Z	T06Z	T12Z	T18Z	Total Number
Satellite Soundings	GOES	0	0	0	0	0
Ozone	OZONE	6835	6978	6996	7050	27859
Satellite Winds	SATWND	3079625	2105575	2305974	3673682	11164856
Scatterometer Winds	QUIKSCAT	0	0	0	0	0
DMSP	SSMI RADIANCES	0	0	0	0	0
*	SSMI RAINFALL RATES
Cosmic/gps	COSMIC	429953	413828	445450	417614	1706845
Satellite Surface	NASA TRMM DATA
Satellite Radiances	HIRS3 1B	0	0	0	0	0
*	HIRS4 1B	5309432	5333703	5373557	5365351	21382043
*	AMSUA 1B**	7603249	6359454	7347265	7102798	28412766
*	AMSUB 1B	0	0	0	0	0
*	MHS	11440784	11367364	11444527	11535650	45788325
*	AIRS	0	0	0	0	0
*	ABI	31184645	27123453	18427830	26569361	103305289
*	AHI	2963073	2894056	2933462	2994570	11785161
*	AMSR2	0	0	0	0	0
*	AMSRE_HIG	0	0	0	0	0
*	AMSRE_LOW	0	0	0	0	0
*	AMSRE_MID	0	0	0	0	0
*	ATMS	1246738	1246537	1246465	1246282	4986022
*	AVHRR	18030838	17805130	16919416	17685467	70440851
*	CRIS	0	0	0	0	0
*	CRIS-FSR	0	0	0	0	3344173163
*	CRIS-FSR	0	0	0	0	3344173163
*	GMI	0	0	0	0	0
*	GOES_IMG	0	0	0	0	0
*	GOME	103448	102930	101038	103139	410555
*	IASI	937923201	805480122	940666332	881095785	3565165440
*	OMI	255422	342838	352316	350534	1301110
*	OMPSNP	5793	6146	6216	6219	24374
*	OMPSTC8	46668	49472	49994	50094	196228
*	SAPHIR	823401	698386	865826	903222	3290835
*	SEVIRI	2679677	2716536	2827835	2658050	10882098
*	SSMIS	30846027	30286420	30211609	30349433	121693489
Total	Satellites Received	1859766769	1765816451	1886022647	1834531442	7346137309

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

APRIL 2021 GDAS SATELLITE DATA DUMPS (DAILY AVERAGE SELECTED)

Category	Subcategory	T00Z	T06Z	T12Z	T18Z	Total Number
Satellite Soundings	GOES	0	0	0	0	0
Ozone	OZONE	6544	6682	6632	6703	26561
Satellite Winds	SATWND	3079625	2105575	2305974	3673682	11164856
Scatterometer Winds	QUIKSCAT	0	0	0	0	0
DMSP	SSMI RADIANCES	0	0	0	0	0
*	SSMI RAINFALL RATES
Cosmic/gps	COSMIC	421569	405178	436822	409253	1672822
Satellite Surface	NASA TRMM DATA
Satellite Radiances	HIRS3 1B	0	0	0	0	0
*	HIRS4 1B	347892	349265	349570	350928	1397655
*	AMSUA 1B**	762880	717613	753241	767644	3001378
*	AMSUB 1B	0	0	0	0	0
*	MHS	182618	181574	181873	184182	730247
*	AIRS	0	0	0	0	0
*	ABI	79145	78771	50943	75940	284799
*	AHI	40889	40074	41541	41934	164438
*	AMSR2	0	0	0	0	0
*	AMSRE_HIG	0	0	0	0	0
*	AMSRE_LOW	0	0	0	0	0
*	AMSRE_MID	0	0	0	0	0
*	ATMS	462773	462499	457399	459419	1842090
*	AVHRR	85163	86133	83781	87325	342402
*	CRIS	0	0	0	0	0
*	CRIS-FSR	0	0	0	0	43099681
*	CRIS-FSR	0	0	0	0	43099681
*	GMI	0	0	0	0	0
*	GOES_IMG	0	0	0	0	0
*	GOME	7574	7662	7551	7474	30261
*	IASI	18252679	18080368	18459236	18697221	73489504
*	OMI	2173	2918	3005	2990	11086
*	OMPSNP	4804	4608	4756	4968	19136
*	OMPSTC8	5935	6114	6239	6317	24605
*	SAPHIR	10227	7947	9781	11009	38964
*	SEVIRI	76125	75609	78768	77033	307535
*	SSMIS	489779	482328	484742	482441	1939290
Total	Satellites Selected	35115274	33901254	34451942	36118840	139587310

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

APRIL 2021 GDAS SATELLITE DATA DUMPS (DAILY AVERAGE ASSIMILATED)

Category	Subcategory	T00Z	T06Z	T12Z	T18Z	Total Number
Satellite Soundings	GOES	0	0	0	0	0
Ozone	OZONE	0	0	0	0	0
Satellite Winds	SATWND	3079625	2105575	2305974	3673682	11164856
Scatterometer Winds	QUIKSCAT	0	0	0	0	0
DMSP	SSMI RADIANCES	0	0	0	0	0
*	SSMI RAINFALL RATES
Cosmic/gps	COSMIC	297609	290243	312354	294229	1194435
Satellite Surface	NASA TRMM DATA
Satellite Radiances	HIRS3 1B	0	0	0	0	0
*	HIRS4 1B	0	0	0	0	0
*	AMSUA 1B**	550787	518694	547034	559929	2176444
*	AMSUB 1B	0	0	0	0	0
*	MHS	65042	64611	65400	65496	260549
*	AIRS	0	0	0	0	0
*	ABI	6627	6561	6463	6121	25772
*	AHI	10709	10456	10785	10765	42715
*	AMSR2	0	0	0	0	0
*	AMSRE_HIG	0	0	0	0	0
*	AMSRE_LOW	0	0	0	0	0
*	AMSRE_MID	0	0	0	0	0
*	ATMS	339137	325389	334901	317798	1317225
*	AVHRR	32090	33949	32177	34891	133107
*	CRIS	0	0	0	0	0
*	CRIS-FSR	0	0	0	0	3835134
*	CRIS-FSR	0	0	0	0	3835134
*	GMI	0	0	0	0	0
*	GOES_IMG	0	0	0	0	0
*	GOME	0	0	0	0	0
*	IASI	1933072	1947023	1913950	2000618	7794663
*	OMI	2172	2918	3005	2990	11085
*	OMPSNP	3494	3350	3458	3613	13915
*	OMPSTC8	5935	6114	6239	6317	24605
*	SAPHIR	7059	6256	7877	7715	28907
*	SEVIRI	10707	10486	11364	11023	43580
*	SSMIS	44784	45982	44874	44554	180194
Total	Satellites Assimilated	7356603	6330990	6569343	7990250	28247186

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