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Colorado Snow Survey Program

Snow Survey Resources

Annual Summaries of Basinwide Percentages

Yr = 1968	JANUARY	FEBRUARY	MARCH	APRIL	MAY	JUNE
Gunnison		109	102	95	135
Colorado		93	102	92	115
S. Platte		93	104	88	106
N. Platte		93	103	92	118
Yampa-White		97	105	94	136
Arkansas		88	102	103	309
Rio Grande		104	102	100	162
San Juan*		110	108	108	150
State		98	103	95	131

Yr = 1969	JANUARY	FEBRUARY	MARCH	APRIL	MAY	JUNE
Gunnison		134	135	131	97
Colorado		131	106	102	76
S. Platte		110	93	79	67
N. Platte		134	121	103	87
Yampa-White		134	113	110	75
Arkansas		111	96	98	70
Rio Grande		108	119	125	106
San Juan*		148	150	148	124
State		126	114	109	74

Yr = 1970	JANUARY	FEBRUARY	MARCH	APRIL	MAY	JUNE
Gunnison		123	105	109	142
Colorado		148	131	130	165
S. Platte		166	145	141	167
N. Platte		156	128	127	149
Yampa-White		101	111	118	168
Arkansas		137	115	132	202
Rio Grande		70	61	83	106
San Juan*		89	76	96	131
State		131	114	119	156

Yr = 1971	JANUARY	FEBRUARY	MARCH	APRIL	MAY	JUNE
Gunnison		115	104	95	89
Colorado		135	129	125	125
S. Platte		122	122	114	141
N. Platte		162	150	134	134
Yampa-White		147	121	126	167
Arkansas		87	96	88	71
Rio Grande		77	81	60	51
San Juan*		100	96	71	62
State		119	114	104	108

Yr = 1972	JANUARY	FEBRUARY	MARCH	APRIL	MAY	JUNE
Gunnison		123	100	83	63
Colorado		121	110	98	95
S. Platte		115	108	96	100
N. Platte		131	114	95	98
Yampa-White		111	99	93	74
Arkansas		116	102	81	71
Rio Grande		124	101	68	47
San Juan*		128	98	58	44
State		121	105	87	79

Yr = 1973	JANUARY	FEBRUARY	MARCH	APRIL	MAY	JUNE
Gunnison			116	116	162
Colorado		113	88	92	134
S. Platte		117	93	87	117
N. Platte		131	99	95	93
Yampa-White		108	90	92	155
Arkansas		104	94	116	90
Rio Grande		139	127	150	80
San Juan*		154	133	147	93
State		123	103	109	108

Yr = 1974	JANUARY	FEBRUARY	MARCH	APRIL	MAY	JUNE
Gunnison		122	108	99	112
Colorado		125	112	110	106
S. Platte		115	105	108	117
N. Platte		136	119	114	93
Yampa-White		118	112	113	155
Arkansas		142	118	120	90
Rio Grande		115	97	87	80
San Juan*		116	101	95	93
State		122	108	106	108

Yr = 1975	JANUARY	FEBRUARY	MARCH	APRIL	MAY	JUNE
Gunnison		109	115	136	170
Colorado		106	106	117	125
S. Platte		103	102	112	109
N. Platte		105	96	106	110
Yampa-White		118	112	122	145
Arkansas		105	122	146	189
Rio Grande		99	117	157	218
San Juan*		115	124	163	224
State		107	110	130	152

Yr = 1976	JANUARY	FEBRUARY	MARCH	APRIL	MAY	JUNE
Gunnison		82	102	98	97
Colorado		92	97	95	87
S. Platte		89	89	91	89
N. Platte		88	96	102	101
Yampa-White		74	85	90	90
Arkansas		94	97	97	73
Rio Grande		73	111	115	129
San Juan*		82	117	114	103
State		86	99	99	94

Yr = 1977	JANUARY	FEBRUARY	MARCH	APRIL	MAY	JUNE
Gunnison		32	35	41	16
Colorado		38	40	54	38
S. Platte		41	38	43	43
N. Platte		41	43	57	51
Yampa-White		38	43	55	18
Arkansas		47	52	57	30
Rio Grande		32	33	34	27
San Juan*		28	26	29	17
State		37	38	46	32

Yr = 1978	JANUARY	FEBRUARY	MARCH	APRIL	MAY	JUNE
Gunnison		131	133	144	151
Colorado		145	131	133	126
S. Platte		150	129	119	97
N. Platte		143	125	121	109
Yampa-White		158	139	122	152
Arkansas		127	116	112	105
Rio Grande		79	86	102	99
San Juan*		110	122	136	123
State		132	124	126	120

Yr = 1979	JANUARY	FEBRUARY	MARCH	APRIL	MAY	JUNE
Gunnison		162	151	146	158
Colorado		132	117	127	132
S. Platte		136	118	133	117
N. Platte		123	122	127	125
Yampa-White		127	131	124	133
Arkansas		152	135	139	107
Rio Grande		226	199	206	224
San Juan*		210	184	189	209
State		157	142	148	149

Yr = 1980	JANUARY	FEBRUARY	MARCH	APRIL	MAY	JUNE
Gunnison		118	144	153	161
Colorado		126	139	139	144
S. Platte		150	142	140	151
N. Platte		138	116	121	117
Yampa-White		119	119	116	123
Arkansas		127	127	135	220
Rio Grande		128	157	154	197
San Juan*		125	161	154	185
State		130	142	146	162

Yr = 1981	JANUARY	FEBRUARY	MARCH	APRIL	MAY	JUNE
Gunnison		42	48	63	25
Colorado		40	42	57	29
S. Platte		30	33	52	21
N. Platte		31	44	56	24
Yampa-White		32	45	63	24
Arkansas		30	37	62	10
Rio Grande		41	42	65	27
San Juan*		41	38	60	32
State		37	40	59	25

Yr = 1982	JANUARY	FEBRUARY	MARCH	APRIL	MAY	JUNE
Gunnison		136	125	135	132
Colorado		145	122	121	128
S. Platte		138	108	108	98
N. Platte		126	105	106	104
Yampa-White		138	116	129	138
Arkansas		117	116	119	104
Rio Grande		102	113	140	135
San Juan*		108	105	133	131
State		128	114	114	123

Yr = 1983	JANUARY	FEBRUARY	MARCH	APRIL	MAY	JUNE
Gunnison		99	81	124	152
Colorado		89	90	123	142
S. Platte		71	68	107	125
N. Platte		84	81	107	124
Yampa-White		92	91	105	124
Arkansas		69	79	116	155
Rio Grande		105	103	131	152
San Juan*		103	100	130	149
State		90	90	120	142

Yr = 1984	JANUARY	FEBRUARY	MARCH	APRIL	MAY	JUNE
Gunnison		160	144	137	162
Colorado		160	139	141	169
S. Platte		138	127	125	147
N. Platte		131	116	113	132
Yampa-White		138	114	122	141
Arkansas		161	149	144	191
Rio Grande		137	122	115	117
San Juan*		140	122	111	131
State		147	130	127	127

Yr = 1985	JANUARY	FEBRUARY	MARCH	APRIL	MAY	JUNE
Gunnison	155	117	106	110	104
Colorado	131	108	101	101	104
S. Platte	119	90	87	82	84
N. Platte	124	96	92	86	93
Yampa-White	124	107	95	93	102
Arkansas	120	98	98	103	85
Rio Grande	145	128	123	135	153
San Juan*	135	122	115	122	136
State	134	107	103	104	107

Yr = 1986	JANUARY	FEBRUARY	MARCH	APRIL	MAY	JUNE
Gunnison		103	114	95	100
Colorado		110	127	108	124
S. Platte		106	137	113	126
N. Platte		125	148	126	128
Yampa-White		98	115	106	105
Arkansas		87	102	85	85
Rio Grande		101	110	98	124
San Juan*		93	109	106	118
State		104	120	104	116

Yr = 1987	JANUARY	FEBRUARY	MARCH	APRIL	MAY	JUNE
Gunnison		90	97	96	71
Colorado		73	70	73	43
S. Platte		90	90	93	61
N. Platte		71	60	65	43
Yampa-White		63	66	67	38
Arkansas		119	131	132	137
Rio Grande		107	108	124	118
San Juan*		96	107	113	118
State		90	93	97	74

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Yr = 1988	JANUARY	FEBRUARY	MARCH	APRIL	MAY	JUNE
Gunnison	75	87	81	74	68	60
Colorado	77	96	97	93	87	69
S. Platte	100