JANUARY 2026 GDAS DATA DUMPS (RECEIVED)

Category	Subcategory	T00Z	T06Z	T12Z	T18Z	Total Number	Total Input	% Input
Land Sfc	Synoptic	6465	6857	7193	6852	27367	27367	*
*	METAR	47350	48417	50026	48930	194723	194723	*
*	sub-total	53815	55274	57219	55782	222090	222090	****
Marine Sfc	Ship	165	149	141	134	589	589	*
*	Drifting Buoy	28	31	27	31	117	117	*
*	Moored Buoy	650	649	649	652	2600	2600	*
*	CMAN	505	505	502	503	2015	2015	*
*	Tide Gauge	4857	4853	4872	4892	19474	19474	*
*	MSLP Bogus**	0	0	0	0	0	*	*
*	sub-total	6205	6187	6191	6212	24795	24795	****
Land Soundings	Fixed Land RAOB	542	33	517	42	1134	1134	*
*	Mobile Land RAOB	1	1	0	0	2	2	*
*	Ship RAOB	0	1	2	0	3	3	*
*	Dropsonde	17	0	0	1	18	18	*
*	Pibal	31	19	21	16	87	87	*
*	Profiler	0	1	0	1	2	2	*
*	NEXRAD Wind	0	0	0	0	0	0	*
*	sub-total	591	55	540	60	1246	1246	****
Aircraft	AIREP	1899	4033	3701	2988	12621	12621	*
*	PIREP	925	204	634	1296	3059	3059	*
*	AMDAR	4217	4817	2698	826	12558	12558	*
*	ACARS	173435	77056	77513	170720	498724	498724	*
*	RECCO	1	0	0	1	2	2	*
*	sub-total	180477	86110	84546	175831	526964	526964	****
Total	non-satellite	241088	147626	148496	237885	775095	775095	****

**    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.

JANUARY 2026 GDAS SATELLITE DATA DUMPS (DAILY AVERAGE RECEIVED)

Category	Subcategory	T00Z	T06Z	T12Z	T18Z	Total Number
Satellite Soundings	GOES
Ozone	OZONE
Satellite Winds	SATWND	3103537	1996982	2373721	3574448	11048688
Scatterometer Winds	QUIKSCAT	0	0	0	0	0
DMSP	SSMI RADIANCES
*	SSMI RAINFALL RATES
Cosmic/gps	COSMIC	953359	968069	986776	949590	3857794
Satellite Surface	NASA TRMM DATA
Satellite Radiances	HIRS3 1B
*	HIRS4 1B
*	AMSUA 1B**	3633601	2811642	3327248	2807415	12579906
*	AMSUB 1B
*	MHS	5755800	5733025	5785192	5760149	23034166
*	AIRS
*	ABI	33549865	30956008	30666038	33799331	128971242
*	AHI	2986463	2918659	2846120	2857079	11608321
*	ATMS	1868570	1869945	1869310	1869996	7477821
*	AVHRR	2970636	3271670	2607540	2844490	11694336
*	CRIS-FSR	788136430	867774497	824629436	834928347	3315468710
*	IASI	698494362	543485612	679777639	598937933	2520695546
*	OMPSLP	127677	133634	131973	130420	523704
*	OMPSNP	73544	76571	75956	75040	301111
*	OMPSTC8	1989509	2081305	2075990	2051077	8197881
*	SSMIS	11215280	9940198	9942484	13518165	44616127
*	VIIRS-M	203302661	181651370	205559362	184060355	774573748
*	VIIRS-M	203302661	181651370	205559362	184060355	774573748
Total	Satellites Received	1758161294	1655669187	1772654785	1688163835	6874649101

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

JANUARY 2026 GDAS SATELLITE DATA DUMPS (DAILY AVERAGE SELECTED)

Category	Subcategory	T00Z	T06Z	T12Z	T18Z	Total Number
Satellite Soundings	GOES
Ozone	OZONE
Satellite Winds	SATWND	3103537	1996982	2373721	3574448	11048688
Scatterometer Winds	QUIKSCAT	0	0	0	0	0
DMSP	SSMI RADIANCES
*	SSMI RAINFALL RATES
Cosmic/gps	COSMIC	933162	945989	965680	927879	3772710
Satellite Surface	NASA TRMM DATA
Satellite Radiances	HIRS3 1B
*	HIRS4 1B
*	AMSUA 1B**	246463	243617	246943	243506	980529
*	AMSUB 1B
*	MHS	93607	93405	93642	93641	374295
*	AIRS
*	ABI	80349	75358	76100	81508	313315
*	AHI	41800	41111	40631	40682	164224
*	ATMS	696881	696486	696489	693482	2783338
*	AVHRR	150955	165890	144680	150230	611755
*	CRIS-FSR	10825280	10828242	10824992	10798241	43276755
*	IASI	12347156	12214313	12291974	12232988	49086431
*	OMPSLP	127677	133634	131973	130420	523704
*	OMPSNP	57872	60618	54125	58815	231430
*	OMPSTC8	18543	18860	18871	18813	75087
*	SSMIS	140196	118452	130725	167282	556655
*	VIIRS-M	465298	425213	472014	426591	1789116
*	VIIRS-M	465298	425213	472014	426591	1789116
Total	Satellites Selected	29328776	28058170	28562560	29638526	115588032

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

JANUARY 2026 GDAS SATELLITE DATA DUMPS (DAILY AVERAGE ASSIMILATED)

Category	Subcategory	T00Z	T06Z	T12Z	T18Z	Total Number
Satellite Soundings	GOES
Ozone	OZONE
Satellite Winds	SATWND	3103537	1996982	2373721	3574448	11048688
Scatterometer Winds	QUIKSCAT	0	0	0	0	0
DMSP	SSMI RADIANCES
*	SSMI RAINFALL RATES
Cosmic/gps	COSMIC	684551	693514	704362	677004	2759431
Satellite Surface	NASA TRMM DATA
Satellite Radiances	HIRS3 1B
*	HIRS4 1B
*	AMSUA 1B**	153408	152719	153731	152808	612666
*	AMSUB 1B
*	MHS	55029	55732	55683	55735	222179
*	AIRS
*	ABI	20298	18612	18604	20358	77872
*	AHI	10380	10149	9995	9939	40463
*	ATMS	501546	485522	501974	475553	1964595
*	AVHRR	114557	136145	106231	120125	477058
*	CRIS-FSR	995086	983414	1009159	980390	3968049
*	IASI	1938322	2007877	1920229	1997275	7863703
*	OMPSLP	0	0	0	0	0
*	OMPSNP	55230	57823	51483	55980	220516
*	OMPSTC8	17713	18023	18041	17983	71760
*	SSMIS	16101	11969	15631	19385	63086
*	VIIRS-M	178505	125355	188546	154163	646569
*	VIIRS-M	178505	125355	188546	154163	646569
Total	Satellites Assimilated	7844263	6753836	7127390	8311146	30036635

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