FEBRUARY 2018 GDAS DATA DUMPS (RECEIVED)

Category	Subcategory	T00Z	T06Z	T12Z	T18Z	Total Number	Total Input	% Input
Land Sfc	Synoptic	23142	23763	24370	23456	94731	94731	*
*	METAR	47945	49702	51487	49663	198797	198797	*
*	sub-total	71087	73465	75857	73119	293528	293528	****
Marine Sfc	Ship	1426	1415	1387	1371	5599	5599	*
*	Drifting Buoy	3616	3501	3536	3612	14265	14265	*
*	Moored Buoy	3397	3393	3414	3398	13602	13602	*
*	CMAN	4111	4119	4135	4144	16509	16509	*
*	Tide Gauge	6178	6134	6147	6102	24561	24561	*
*	MSLP Bogus**	0	0	0	0	0	*	*
*	sub-total	18728	18562	18619	18627	74536	74536	****
Land Soundings	Fixed Land RAOB	683	50	642	49	1424	1424	*
*	Mobile Land RAOB	0	0	0	0	0	0	*
*	Ship RAOB	2	1	3	0	6	6	*
*	Dropsonde	9	1	0	0	10	10	*
*	Pibal	89	105	93	80	367	367	*
*	Profiler	4	2	4	2	12	12	*
*	NEXRAD Wind	1614	1597	1557	1620	6388	6388	*
*	sub-total	2401	1756	2299	1751	8207	8207	****
Aircraft	AIREP	3088	6542	4955	3677	18262	18262	*
*	PIREP	479	96	367	712	1654	1654	*
*	AMDAR	9171	11825	9357	4228	34581	34581	*
*	ACARS	169756	82538	89186	171323	512803	512803	*
*	RECCO	3	0	0	2	5	5	*
*	sub-total	182497	101001	103865	179942	567305	567305	****
Total	non-satellite	274713	194784	200640	273439	943576	943576	****

**    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.

FEBRUARY 2018 GDAS SATELLITE DATA DUMPS (DAILY AVERAGE RECEIVED)

Category	Subcategory	T00Z	T06Z	T12Z	T18Z	Total Number
Satellite Soundings	GOES	3581506	3060986	3212847	3724607	13579946
Ozone	OZONE	7112	7057	7199	7101	28469
Satellite Winds	SATWND	1483661	1569045	1871440	2018713	6942859
Scatterometer Winds	QUIKSCAT	0	0	0	0	0
DMSP	SSMI RADIANCES
*	SSMI RAINFALL RATES
Cosmic/gps	COSMIC	113877	119100	110044	108883	451904
Satellite Surface	NASA TRMM DATA
Satellite Radiances	HIRS3 1B
*	HIRS4 1B	8028610	8017334	8055795	7983558	32085297
*	AMSUA 1B**	13537061	13362915	14357840	13858363	55116179
*	AMSUB 1B
*	MHS	11425579	10598706	11428168	11417768	44870221
*	AIRS	141208040	147572328	150602281	145956398	585339047
*	ATMS	623390	622939	622128	622076	2490533
*	AVHRR	8488906	7451828	7962831	8040132	31943697
*	CRIS	34555481	34433771	34863509	36508500	140361261
*	GOME	103931	103785	103225	103767	414708
*	IASI	539304150	485374164	541028422	532424970	2098131706
*	OMI	176411	243090	246827	260691	927019
*	SAPHIR	6982128	7074308	5713441	5622542	25392419
*	SEVIRI	2246976	2288881	2351413	2261936	9149206
*	SSMIS	30961175	30482609	30580571	29304000	121328355
Total	Satellites Received	802827994	752382846	813117981	800224005	3168552826

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

FEBRUARY 2018 GDAS SATELLITE DATA DUMPS (DAILY AVERAGE SELECTED)

Category	Subcategory	T00Z	T06Z	T12Z	T18Z	Total Number
Satellite Soundings	GOES	54171	52343	54904	59507	220925
Ozone	OZONE	6967	6761	6953	6899	27580
Satellite Winds	SATWND	1483661	1569045	1871440	2018713	6942859
Scatterometer Winds	QUIKSCAT	0	0	0	0	0
DMSP	SSMI RADIANCES
*	SSMI RAINFALL RATES
Cosmic/gps	COSMIC	111707	116676	107576	106634	442593
Satellite Surface	NASA TRMM DATA
Satellite Radiances	HIRS3 1B
*	HIRS4 1B	523554	522952	522305	520769	2089580
*	AMSUA 1B**	706470	673170	708036	710477	2798153
*	AMSUB 1B
*	MHS	187946	175369	186340	187659	737314
*	AIRS	1986933	2071462	2101275	2046903	8206573
*	ATMS	231277	230898	230964	229328	922467
*	AVHRR	42798	37839	41751	43520	165908
*	CRIS	4788451	4782526	4728666	4720280	19019923
*	GOME	7930	7954	7939	7833	31656
*	IASI	12443476	12035599	12309427	12362619	49151121
*	OMI	1807	2422	2484	2676	9389
*	SAPHIR	43159	46621	41205	40123	171108
*	SEVIRI	50802	48910	52276	52257	204245
*	SSMIS	492356	485815	489734	468217	1936122
Total	Satellites Selected	23163465	22866362	23463275	23584414	93077516

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

FEBRUARY 2018 GDAS SATELLITE DATA DUMPS (DAILY AVERAGE ASSIMILATED)

Category	Subcategory	T00Z	T06Z	T12Z	T18Z	Total Number
Satellite Soundings	GOES	24165	17420	18767	24740	85092
Ozone	OZONE	5066	4916	5045	4998	20025
Satellite Winds	SATWND	1483661	1569045	1871440	2018713	6942859
Scatterometer Winds	QUIKSCAT	0	0	0	0	0
DMSP	SSMI RADIANCES
*	SSMI RAINFALL RATES
Cosmic/gps	COSMIC	82719	87080	79906	78852	328557
Satellite Surface	NASA TRMM DATA
Satellite Radiances	HIRS3 1B
*	HIRS4 1B	0	0	0	0	0
*	AMSUA 1B**	438820	419720	439385	446525	1744450
*	AMSUB 1B
*	MHS	100081	94560	101161	100320	396122
*	AIRS	468687	486262	497278	491926	1944153
*	ATMS	154521	146567	155095	142956	599139
*	AVHRR	15780	14846	14677	15835	61138
*	CRIS	267006	275062	265269	270409	1077746
*	GOME	0	0	0	0	0
*	IASI	1965762	1943005	1963121	1996679	7868567
*	OMI	1807	2422	2484	2676	9389
*	SAPHIR	0	0	0	0	0
*	SEVIRI	5962	5833	6269	6091	24155
*	SSMIS	44706	46461	44832	43404	179403
Total	Satellites Assimilated	5058743	5113199	5464729	5644124	21280795

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