[dd, decimal degrees; ft, feet above the North American Vertical Datum of 1988; OB, bulk deposition from E or VWM; E, depth-integrated depth-integrated environmental;																									
VWM, volume-weighted mean of two snowpack layers; ANC, acid neutralization capacity; ueq/L, microequivalents per liter;																									
uS/cm, microsiemens per centimeter; SC, specific conductance at 25degC; pH values in standard units; H, hydrogen; Ca, calcium;																									
Mg, magnesium; Na, sodium; K, potassium;  NH4, ammonium; Cl, chloride; SO4, sulfate; NO3, nitrate; DOC, dissolved organic carbon;																									
mg/L, milligrams per liter; SWE, snow-water equivalent;  cm, centimeters; d34S, stable-sulfur isotope ratio (34S/32S); Hg, mercury;																									
ng/L, nanograms per liter; NA or empty cell indicates not analyzed; <, below reporting limits; M, presence verified but not quantified; %, percent																									
missing year indicates no sample collected or sample results reviewed and rejected																									
Roth 1994: Mercury in water by CVAFD with potassium dichromate preservation																									
USEPA Method 1631, Rev E: Mercury in water by Oxidation, Purge and Trap, and CVAFS]																									
																									
Station ID	403240106410000																								
Site Name	BUFFALO PASS, CO																								
Latitude (dd)	40.54442197																								
Longitude (dd)	-106.6839325																								
Elevation (ft)	10350																								
SiteNumber	StationName	SampleDate	WaterYear	SampleType	ANC (ueq/L)	SC (uS/cm)	pH	H (ueq/L)	Ca (ueq/L)	Mg (ueq/L)	Na (ueq/L)	K (ueq/L)	NH4 (ueq/L)	Cl (ueq/L)	SO4 (ueq/L)	NO3 (ueq/L)	DOC (mg/L)	Total N (mg/L)	Total Dissolved N (mg/L)	Hg (ng/L) Roth 1994	Hg (ng/L) USEPA 1631	d34S (per mil)	SWE (cm)	Snow Depth (cm)	Ionic Balance (%)
403240106410000	BUFFALO PASS, CO	1993-04-08	1993	OB		8	4.8	15.8	<0.5	<0.2	1.7	<0.5	3.9	<1.1	11.5	8.4	<0.4					6.2	122	325	3.6
403240106410000	BUFFALO PASS, CO	1994-04-08	1994	OB	-20	11	4.8	15.8	10	2.5	2.2	<0.5	10.9	1.4	19.8	17.3	0.6					7.2	85	259	3.6
403240106410000	BUFFALO PASS, CO	1995-04-05	1995	OB	-14	7	4.9	12.6	5	<0.2	0.9	<0.5	5.8	1.4	12.1	10.8	0.6					7.5	112	279	0
403240106410000	BUFFALO PASS, CO	1996-04-04	1996	OB	-10	5	5	10	5.8	<1.7	1.3	1	3.7	<1.1	9	10.3	0.7					7.6		300	6.1
403240106410000	BUFFALO PASS, CO	1997-04-08	1997	OB	1	2	5.9	1.3	4.7	1.8		<0.5	2.7	<1.1	9.8	7.1	0.8					6.6		432	-19
403240106410000	BUFFALO PASS, CO	1998-04-01	1998	OB	-22	8	4.7	20	3.5	<1.7		<0.5	4.7	<1.1	11	11	0.7					7.8		343	12.4
403240106410000	BUFFALO PASS, CO	1999-04-07	1999	OB	-6.6	6	5.2	6.3	12.9	<1.7	2.6	0.5	5.4	1.7	12.1	12.8	0.3					7.3		340	2
403240106410000	BUFFALO PASS, CO	2000-04-05	2000	OB	-5.6	5	4.9	12.6	7	<1.7	1.3	0.8	5.5	<1.1	9.8	10.6	0.4					5.3		338	14.3
403240106410000	BUFFALO PASS, CO	2001-04-04	2001	OB	-11.6	6	5	10	7	<1.7	2.6	0.5	6.5	<1.1	11.2	12.9				2		6.1		310	4.9
403240106410000	BUFFALO PASS, CO	2002-04-04	2002	OB	-9	6	5.2	6.3	11.5	2.5	1.7	0.8	5.8	1.1	9.4	15	0.5			2		7	81	259	5.7
403240106410000	BUFFALO PASS, CO	2003-04-11	2003	OB	1.6	5	5.8	1.6	19.4	4	3	1	7.5	1.4	11	12.9	0.5			2.7		3.6	127	376	20.2
403240106410000	BUFFALO PASS, CO	2004-03-31	2004	OB	-15.4	8	5	10	6.4	<1.7	<0.9	1.5	6.5	1.7	9.4	12.1	0.8			2.1			103	279	2.5
403240106410000	BUFFALO PASS, CO	2005-03-29	2005	OB	-11.6	6	5.1	7.9	4.5	<1.7	1.3	0.8	4.8	<1.1	7.1	7.9	0.2			2.6		6.3	110	351	12.5
403240106410000	BUFFALO PASS, CO	2006-03-28	2006	OB	-8.8	6.2	5.1	7.9	5	0.8	1.3	0.5	5	1.1	7.7	11.4	0.5					5.1	122	358	0.7
403240106410000	BUFFALO PASS, CO	2007-04-03	2007	OB	-6	6	5.2	6.3	8.5	1.6	1.3	1.5	5.2	1.1	8.7	11.4	0.64					5.2	89	290	7
403240106410000	BUFFALO PASS, CO	2009-03-31	2009	OB	10.6	4.8	6.1	0.8	19.5	1.6	2.2	0.8	4.9	1.1	6.9	8.6	0.63				4		131	427	41.8
403240106410000	BUFFALO PASS, CO	2010-04-05	2010	OB	-7.4	5.4	5.2	6.3	8.5	1.6	1.7	0.5	5.5	1.1	6.9	9.3	0.4				3.59		118	358	16.4
403240106410000	BUFFALO PASS, CO	2011-04-05	2011	OB	-5.4	4	5.2	6.3	2.5	0.8	<0.9	<0.5	2.9	<0.6	2.7	5	<0.2				7.25		167	470	23.8
403240106410000	BUFFALO PASS, CO	2012-04-06	2012	OB	-2	4	5.1	7.9	12	2.5	2.6	1.3	6.5	2	7.5	9	0.6	0.26			3.56		70	226	27.9
403240106410000	BUFFALO PASS, CO	2013-04-02	2013	OB	-2	4	5.2	6.3	14	3.3	1.7	1.3	7.9	1.7	7.5	10	0.7	0.24			3.84		88	277	28.5
403240106410000	BUFFALO PASS, CO	2014-04-01	2014	OB	1	4	5.7	2	12.5	2.5	2.6	0.8	6.9	1.4	7.3	8.9	0.35	0.22	0.22				166	493	23.3
403240106410000	BUFFALO PASS, CO	2015-03-31	2015	OB	-4.4	4.1	5.4	4	7	1.6	2.2	0.5	6.9	1.1	6.5	7.9	0.32	0.19			2.62		114	318	17.8
403240106410000	BUFFALO PASS, CO	2016-03-29	2016	OB	-0.4	3.2	5.5	3.2	6	0.8	1.3	0.5	6.4	1.1	5.6	6.4	<0.2	0.26			3.38		106	348	16.3