Skip

Colorado Historical Watershed Snowpack Percentages by Year

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

 



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

96

104

104

95

59

N. Platte

85

90

96

104

95

80

Yampa-White

75

96

100

99

93

68

Arkansas

74

99

98

80

63

54

Rio Grande

71

86

85

68

54

43

San Juan*

69

84

78

59

55

53

State

77

92

93

85

76

55



Yr = 1989

JANUARY

FEBRUARY

MARCH

APRIL

MAY

JUNE

Gunnison

95

88

100

84

46

26

Colorado

91

85

96

83

59

39

S. Platte

98

90

106

84

57

24

N. Platte

100

79

90

87

63

20

Yampa-White

96

85

94

82

57

11

Arkansas

107

103

121

91

42

25

Rio Grande

82

107

139

106

62

39

San Juan*

87

99

114

88

45

33

State

94

95

109

87

50

32



Yr = 1990

JANUARY

FEBRUARY

MARCH

APRIL

MAY

JUNE

Gunnison

44

44

52

54

64

36

Colorado

69

71

71

77

73

61

S. Platte

102

80

80

102

96

83

N. Platte

114

87

92

101

87

91

Yampa-White

102

89

89

87

56

55

Arkansas

88

62

66

66

79

83

Rio Grande

10

26

43

53

63

56

San Juan*

10

23

38

45

59

34

State

64

59

66

74

68

54



Yr = 1991

JANUARY

FEBRUARY

MARCH

APRIL

MAY

JUNE

Gunnison

85

73

67

87

107

36

Colorado

76

75

71

89

108

62

S. Platte

72

63

61

75

84

39

N. Platte

91

77

74

90

97

75

Yampa-White

71

78

79

93

103

61

Arkansas

75

82

79

93

98

75

Rio Grande

109

102

92

111

100

52

San Juan*

85

84

74

100

79

29

State

81

77

72

91

94

43



Yr = 1992

JANUARY

FEBRUARY

MARCH

APRIL

MAY

JUNE

Gunnison

98

81

80

94

49

25

Colorado

97

81

78

88

65

15

S. Platte

90

83

76

94

64

16

N. Platte

77

75

77

77

64

33

Yampa-White

86

75

80

83

50

30

Arkansas

136

106

99

102

64

56

Rio Grande

123

97

95

94

62

39

San Juan*

109

86

87

97

64

43

State

101

87

84

93

59

25



Yr = 1993

JANUARY

FEBRUARY

MARCH

APRIL

MAY

JUNE

Gunnison

108

123

152

138

166

180

Colorado

105

102

126

124

151

145

S. Platte

87

90

108

108

132

106

N. Platte

93

96

110

106

124

100

Yampa-White

95

101

113

113

150

159

Arkansas

131

110

131

129

150

107

Rio Grande

104

128

156

137

150

127

San Juan*

99

138

167

149

157

135

State

101

111

134

126

149

128



Yr = 1994

JANUARY

FEBRUARY

MARCH

APRIL

MAY

JUNE

Gunnison

79

67

85

78

92

47

Colorado

92

84

91

88

85

29

S. Platte

102

93

102

93

92

7

N. Platte

93

91

94

88

84

39

Yampa-White

89

85

86

78

76

40

Arkansas

96

80

94

97

115

51

Rio Grande

75

59

86

83

93

59

San Juan*

67

59

84

74

93

55

State

85

77

91

84

89

33



Yr = 1995

JANUARY

FEBRUARY

MARCH

APRIL

MAY

JUNE

Gunnison

106

105

112

122

161

482

Colorado

84

81

98

103

132

321

S. Platte

62

55

73

77

122

307

N. Platte

63

75

82

82

100

217

Yampa-White

81

88

90

91

120

254

Arkansas

90

80

91

117

183

303

Rio Grande

118

114

115

125

167

287

San Juan*

114

111

108

125

159

336

State

93

89

108

105

141

342



Yr = 1996

JANUARY

FEBRUARY

MARCH

APRIL

MAY

JUNE

Gunnison

62

107

117

109

112

55

Colorado

100

131

139

131

140

98

S. Platte

138

150

152

147

147

148

N. Platte

122

134

137

129

129

105

Yampa-White

107

137

141

133

137

126

Arkansas

77

97

106

105

106

94

Rio Grande

31

51

69

67

46

3

San Juan*

32

68

74

72

50

2

State

80

110

117

112

110

82



Yr = 1997

JANUARY

FEBRUARY

MARCH

APRIL

MAY

JUNE

Gunnison

172

179

154

123

150

145

Colorado

160

161

140

118

142

146

S. Platte

154

152

134

110

156

182

N. Platte

150

149

130

112

129

138

Yampa-White

159

166

142

121

144

156

Arkansas

151

145

143

108

150

162

Rio Grande

138

154

147

110

136

126

San Juan*

156

168

146

111

134

108

State

160

161

143

114

143

142



Yr = 1998

JANUARY

FEBRUARY

MARCH

APRIL

MAY

JUNE

Gunnison

84

89

89

93

121

73

Colorado

81

92

94

89

99

50

S. Platte

92

101

93

91

106

52

N. Platte

71

86

89

84

86

63

Yampa-White

70

88

92

92

103

79

Arkansas

135

114

99

98

127

54

Rio Grande

88

79

77

88

111

48

San Juan*

69

69

71

81

101

42

State

81

88

87

89

105

49



Yr = 1999

JANUARY

FEBRUARY

MARCH

APRIL

MAY

JUNE

Gunnison

71

85

81

64

88

113

Colorado

65

89

89

75

91

99

S. Platte

75

89

86

70

114

150

N. Platte

73

98

98

84

98

104

Yampa-White

60

89

92

79

92

104

Arkansas

77

86

79

61

98

127

Rio Grande

105

89

79

53

87

90

San Juan*

96

83

74

43

74

85

State

77

88

85

65

91

105



Yr = 2000

JANUARY

FEBRUARY

MARCH

APRIL

MAY

JUNE

Gunnison

32

61

76

91

58

0

Colorado

51

79

94

97

84

10

S. Platte

64

85

84

98

85

25

N. Platte

64

86

102

101

94

41

Yampa-White

64

88

100

101

79

29

Arkansas

62

62

61

81

72

31

Rio Grande

19

29

45

61

35

1

San Juan*

17

41

63

83

46

0

State

45

66

80

90

69

14



Yr = 2001

JANUARY

FEBRUARY

MARCH

APRIL

MAY

JUNE

Gunnison

83

78

84

85

76

18

Colorado

95

82

85

86

79

18

S. Platte

84

65

69

81

80

22

N. Platte

90

75

79

78

74

31

Yampa-White

99

81

82

82

69

29

Arkansas

86

72

79

84

82

54

Rio Grande

81

91

101

102

120

57

San Juan*

93

91

96

90

91

32

State

91

81

86

87

84

24



Yr = 2002

JANUARY

FEBRUARY

MARCH

APRIL

MAY

JUNE

Gunnison

77

63

58

57

19

0

Colorado

72

70

68

63

27

0

S. Platte

54

49

52

54

23

2

N. Platte

61

58

62

63

44

15

Yampa-White

70

66

64

68

32

7

Arkansas

55

58

62

48

24

0

Rio Grande

48

48

43

38

6

0

San Juan*

66

51

45

34

6

0

State

65

58

56

52

19

2



Yr = 2003

JANUARY

FEBRUARY

MARCH

APRIL

MAY

JUNE

Gunnison

93

74

85

86

66

21

Colorado

93

82

93

101

105

47

S. Platte

73

63

79

114

109

58

N. Platte

84

72

84

99

105

25

Yampa-White

91

78

90

91

91

28

Arkansas

72

68

83

100

99

42

Rio Grande

67

60

73

76

56

22

San Juan*

84

63

77

75

51

10

State

85

71

83

94

87

32



Yr = 2004

JANUARY

FEBRUARY

MARCH

APRIL

MAY

JUNE

Gunnison

105 101 103 74 77 26

Colorado

91 85 83 64 55 23

S. Platte

67 65 69 51 65 13

N. Platte

97 81 81 69 66 40

Yampa-White

108 90 89 69 53 36

Arkansas

69 76 90 60 98 23

Rio Grande

85 106 108 77 102 37

San Juan*

99 102 105 70 85 26

State

92 88 90 65 68 23


Yr = 2005

JANUARY

FEBRUARY

MARCH

APRIL

MAY

JUNE

Gunnison

117 143 133 127 125 119

Colorado

96 103 98 98 88 73

S. Platte

92 84 80 84 77 47

N. Platte

92 92 88 86 80 64

Yampa-White

87 86 84 86 72 52

Arkansas

110 113 120 112 107 57

Rio Grande

115 154 147 140 139 119

San Juan*

109 154 145 138 135 176

State

99 114 109 107 99 72


Yr = 2006

JANUARY

FEBRUARY

MARCH

APRIL

MAY

JUNE

Gunnison

98 97 84 94 56 38

Colorado

133 128 115 110 78 38

S. Platte

130 112 101 103 74 16

N. Platte

133 120 110 107 87 48

Yampa-White

136 128 115 114 84 45

Arkansas

98 102 88 86 61 51

Rio Grande

34 43 40 64 40 11

San Juan*

47 53 46 68 44 6

State

103 99 88 94 65 26


Yr = 2007 JANUARY FEBRUARY MARCH APRIL MAY JUNE
Gunnison 93 77 81 66 47 26
Colorado 102 91 95 81 71 34
S. Platte 128 114 111 94 93 69
N. Platte 91 80 89 80 69 39
Yampa-White 80 68 84 69 42 20
Arkansas 118 106 102 81 88 68
Rio Grande 94 102 93 70 69 53
San Juan* 77 76 78 58 52 47
State 96 91 92 75 68 40


Yr = 2008 JANUARY FEBRUARY MARCH APRIL MAY JUNE
Gunnison 117 149 151 133 136 145
Colorado 105 122 128 123 120 146
S. Platte 93 97 109 108 103 119
N. Platte 90 103 111 106 109 122
Yampa-White 85 102 109 107 108 85
Arkansas 141 147 152 141 131 130
Rio Grande 137 173 169 140 117 86
San Juan* 129 155 155 126 103 95
State 110 129 135 123 115 111


Yr = 2009 JANUARY FEBRUARY MARCH APRIL MAY JUNE
Gunnison 127 115 108 97 79 7
Colorado 127 123 115 104 99 31
S. Platte 99 103 94 86 100 52
N. Platte 86 105 102 96 96 55
Yampa-White 97 115 109 104 89 40
Arkansas 137 121 108 95 95 52
Rio Grande 140 130 114 97 95 30
San Juan* 135 116 106 86 63 15
State 120 117 108 96 90 32


Yr = 2010 JANUARY FEBRUARY MARCH APRIL MAY JUNE
Gunnison 94 91 95 94 72 35
Colorado 81 72 79 76 71 57
S. Platte 93 76 79 83 81 80
N. Platte 83 73 72 74 84 98
Yampa-White 74 72 75 73 73 65
Arkansas 90 91 97 111 89 32
Rio Grande 95 113 109 115 90 36
San Juan* 97 109 106 101 77 19
State 86 86 88 88 78 53


Yr = 2011 JANUARY FEBRUARY MARCH APRIL MAY JUNE
Gunnison 158 126 122 115 139 228
Colorado 147 135 128 130 151 289
S. Platte 126 120 121 123 150 313
N. Platte 147 132 131 135 165 288
Yampa-White 145 126 124 131 165 258
Arkansas 105 103 108 103 112 133
Rio Grande 107 80 88 76 72 95
San Juan* 144 106 97 86 93 123
State 136 117 115 113 135 246


Yr = 2012 JANUARY FEBRUARY MARCH APRIL MAY JUNE
Gunnison 64          
Colorado 60          
S. Platte 80          
N. Platte 73          
Yampa-White 57          
Arkansas 96          
Rio Grande 92          
San Juan* 73          
State 71