[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	383100106193000																								
Site Name	MONARCH PASS, CO																								
Latitude (dd)	38.51333056																								
Longitude (dd)	-106.3266611																								
Elevation (ft)	10585																								
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 (%)
383100106193000	MONARCH PASS, CO	1993-03-30	1993	OB	-14	5	5.2	6.3	5.6	<1.7	<3	<0.5	2.9	<1.1	6.2	7	0.2					3.7	43	135	5.7
383100106193000	MONARCH PASS, CO	1994-03-31	1994	OB	6	6	5.9	1.3	19.9	3.3	<3	4.9	5.7	2.8	9	11.7	2.7					4.8		107	27.2
383100106193000	MONARCH PASS, CO	1995-03-31	1995	OB	1	4	5.6	2.5	16.4	<1.7	<3	0.5	4.4	<1.1	6.5	10.1	0.8					5.8		170	19.8
383100106193000	MONARCH PASS, CO	1996-03-29	1996	OB	4	3	5.9	1.3	11.6	2.2			2.3	<1.1	6	7.3	0.7					6.3		185	23.3
383100106193000	MONARCH PASS, CO	1997-03-28	1997	OB	-3	3	5.5	3.2	6.6	<1.7		<0.5	1.6	<1.1	4	5.9								127	7
383100106193000	MONARCH PASS, CO	1998-03-17	1998	OB	-11	5	5	10	5.5	<1.7		<0.5	3.2	1.4	6.9	10.4	0.7					5.4		130	0
383100106193000	MONARCH PASS, CO	1999-03-16	1999	OB	1.6	4	5.7	2	16.9	2.5	1.7	0.5	5.3	1.7	5.8	11.6	0.5					5.5		130	23
383100106193000	MONARCH PASS, CO	2000-03-24	2000	OB	9.4	4	5.9	1.3	18.9	4	2.6	0.8	5.4	1.1	8.1	10.2	0.9					5.3		127	37.2
383100106193000	MONARCH PASS, CO	2001-03-26	2001	OB	-2.2	4	5.4	4	7	<1.7	0.9	0.5	5.7	<1.1	5.4	10	0.9			4		4.7		112	8.1
383100106193000	MONARCH PASS, CO	2002-03-25	2002	OB	30.4	9	6.5	0.3	51.4	6.5	3	3.8	5.7	3.1	8.3	22.8	1.8			9.6		5.8	21	66	49.4
383100106193000	MONARCH PASS, CO	2003-03-27	2003	OB	-2.4	5	5.3	5	12	4	1.3	1.8	5.2	1.4	5	10.7	0.8			3		5.7	46	135	26.3
383100106193000	MONARCH PASS, CO	2004-03-25	2004	OB	-14	4	4.8	15.8	11.2	3	<0.9	6.1	4	2	4.8	7.9	2			5.7			31	81	46.4
383100106193000	MONARCH PASS, CO	2005-03-24	2005	OB	3	4	5.9	1.3	15.9	2.5	1.7	0.8	4	1.4	4.8	7.1	0.2			1.6			48	157	37.4
383100106193000	MONARCH PASS, CO	2006-03-20	2006	OB	37.8	7.2	6.6	0.3	38.9	4.9	2.6	1.5	5.2	2.8	6.5	8.6	0.79						38	155	67.2
383100106193000	MONARCH PASS, CO	2007-03-19	2007	OB	34.2	7.1	6.4	0.4	26.4	6.6	2.6	19.4	<1	5.1	9	7.1	3.6						30	117	61.7
383100106193000	MONARCH PASS, CO	2008-03-26	2008	OB	-6.4	6.2	5	10	18.5	3.3	4.8	1	2.4	2.3	6.2	5.7	0.37						53	173	47.6
383100106193000	MONARCH PASS, CO	2009-03-17	2009	OB	19.4	4.8	6.4	0.4	19	2.5	2.2	2.3	5	2.5	4.4	7.1	0.62	0.24			6.31		32	112	56.8
383100106193000	MONARCH PASS, CO	2010-03-23	2010	OB	5.4	4.9	5.7	2	15	3.3	1.7	3.3	6.2	2	4.4	7.9	1.12				4.34		39	163	44.1
383100106193000	MONARCH PASS, CO	2011-03-23	2011	OB	28.6	5.6	6.4	0.4	28.9	4.1	2.6	1.8	3.2	2.3	4.4	6.4	1.02				8.25		40	157	68.3
383100106193000	MONARCH PASS, CO	2012-03-21	2012	OB	14	6	5.6	2.5	25.4	5.8	5.2	4.1	4.4	6.2	5.2	7.1	1.4	0.28			6.51		26	102	53.7
383100106193000	MONARCH PASS, CO	2013-03-20	2013	OB	6	3	5.6	2.5	15.5	3.3	1.7	1	5	2.8	4.4	7.1	0.7	0.16			4.49		23	102	42
383100106193000	MONARCH PASS, CO	2014-03-19	2014	OB	21.2	5	6.4	0.4	22	4.1	3.9	3.6	1.3	3.7	4.8	6.1	1.2	0.14	0.16				49	178	58.9
383100106193000	MONARCH PASS, CO	2015-03-18	2015	OB	1.8	2.8	6	1	9.5	1.6	2.6	1	4.4	2.3	3.3	4.3	0.3	0.11			1.82		42	135	37.7
383100106193000	MONARCH PASS, CO	2016-03-17	2016	OB	43	9.4	6.2	0.6	17	5.8	4.3	14.3	11.1	4.8	7.1	5	1.56	1.35			7.13		37	137	70.1