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USGS
Water Resources of Colorado


ARKANSAS RIVER BASIN

07086000 ARKANSAS RIVER AT GRANITE, CO-Continued

WATER-QUALITY RECORDS

PERIOD OF RECORD.--October 1967 to June 1969, October 1993 to current year. For a complete listing of historical data available for this site, see http://waterdata.usgs.gov/co/nwis/inventory/?site_no=07086000

PERIOD OF DAILY RECORD.--

SPECIFIC CONDUCTANCE: October 1993 to current year.

WATER TEMPERATURE: October 1993 to current year.

INSTRUMENTATION.--Water-quality monitor with satellite telemetry.

REMARKS.--Daily specific-conductance records are fair. Daily water-temperature records are good. Daily data that are not published are either missing or of unacceptable quality.

EXTREMES FOR PERIOD OF RECORD.--

SPECIFIC CONDUCTANCE: Maximum, 288 microsiemens/cm, May 25, 2003; minimum, 63 microsiemens/cm, June 10, 2000.

WATER TEMPERATURE: Maximum, 21.8°C, July 31, 2002; minimum, 0.0°C, on many days.

EXTREMES FOR CURRENT YEAR.--

SPECIFIC CONDUCTANCE: Maximum, 288 microsiemens/cm, May 25; minimum, 74 microsiemens/cm, June 1, 16.

WATER TEMPERATURE: Maximum, 19.9°C, Aug. 20; minimum 0.0°C, on many days.

Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius 
WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003
DAY
MAX
MIN
MEAN
MAX
MIN
MEAN
MAX
MIN
MEAN
MAX
MIN
MEAN
OCTOBER
NOVEMBER
DECEMBER
JANUARY
1

169

164

167

153

148

151

177

165

170

---

---

---

2

172

166

169

153

148

151

177

167

171

---

---

---

3

170

159

165

158

147

152

176

165

169

---

---

---

4

168

162

165

161

146

154

181

165

173

---

---

---

5

168

161

164

161

152

155

174

162

170

---

---

---

6

169

163

166

159

143

152

179

161

170

---

---

---

7

170

163

166

159

143

152

188

162

171

---

---

---

8

173

165

168

161

153

157

191

167

176

---

---

---

9

178

171

174

157

146

150

193

168

181

173

158

167

10

177

152

170

---

---

---

189

160

178

171

161

166

11

156

150

153

---

---

---

179

158

167

168

161

165

12

155

149

153

---

---

---

175

165

169

167

161

165

13

155

148

151

159

143

150

184

166

174

177

149

165

14

155

150

153

162

147

153

208

169

186

170

159

165

15

161

152

155

157

149

153

200

176

184

170

161

166

16

162

155

158

166

149

156

210

165

185

181

153

168

17

162

150

155

175

146

157

186

174

181

171

161

166

18

154

147

150

171

156

163

---

---

---

186

156

168

19

154

147

151

179

155

166

---

---

---

171

157

167

20

155

149

152

177

157

166

---

---

---

173

160

167

21

155

148

152

175

158

166

---

---

---

171

159

165

22

155

148

151

175

159

168

---

---

---

168

161

165

23

153

146

150

178

163

170

---

---

---

165

157

162

24

158

151

154

173

168

171

---

---

---

166

157

163

25

155

149

152

177

166

171

---

---

---

164

158

162

26

154

147

150

181

164

173

---

---

---

173

144

161

27

157

151

153

185

163

174

---

---

---

166

157

162

28

157

152

155

179

162

171

---

---

---

165

157

162

29

156

148

151

174

162

168

---

---

---

169

150

162

30

154

146

149

178

154

166

---

---

---

171

154

164

31

154

149

151

---

---

---

---

---

---

168

161

165

MONTH

178

146

157

---

---

---

---

---

---

---

---

---

FEBRUARY
MARCH
APRIL
MAY
1

167

159

164

167

155

160

128

122

125

137

126

132

2

168

158

165

173

157

165

122

113

116

129

123

125

3

168

163

166

174

151

164

116

105

111

128

125

127

4

171

161

166

170

150

163

115

108

111

130

126

128

5

172

160

166

176

154

166

113

106

110

132

120

126

6

168

157

161

173

155

167

113

111

112

122

118

120

7

172

148

164

170

158

167

112

108

110

120

117

119

8

173

149

164

170

165

168

117

98

107

122

119

120

9

174

164

171

174

165

170

118

104

111

121

119

120

10

173

151

166

177

165

171

119

108

111

122

118

120

11

170

152

164

179

170

174

115

107

110

119

116

118

12

171

163

168

181

170

174

115

109

112

121

116

118

13

170

163

166

183

169

175

122

113

117

125

116

119

14

168

159

162

177

168

173

125

119

121

126

112

119

15

166

158

162

180

170

175

133

121

125

122

112

117

16

171

154

165

180

173

176

133

126

129

131

115

121

17

171

157

165

178

173

176

130

124

127

143

130

138

18

166

158

162

173

170

172

130

124

127

142

100

127

19

179

156

167

172

168

170

129

121

125

101

96

99

20

173

146

164

168

162

165

129

122

126

108

96

101

21

165

154

162

167

156

162

131

115

125

130

106

119

22

163

156

159

165

157

161

123

108

114

130

117

123

23

167

155

162

162

151

156

133

118

127

152

115

129

24

163

155

159

157

151

155

141

126

135

262

150

178

25

161

153

157

154

146

150

140

132

136

288

127

191

26

162

153

156

147

139

142

132

118

122

144

98

116

27

161

148

156

139

129

134

123

119

121

98

92

94

28

166

151

157

129

123

126

126

118

121

97

88

93

29

---

---

---

125

122

124

144

116

124

88

79

84

30

---

---

---

126

121

123

144

131

136

87

77

81

31

---

---

---

130

121

125

---

---

---

81

74

77

MONTH

179

146

163

183

121

160

144

98

120

288

74

119

JUNE
JULY
AUGUST
SEPTEMBER
1

79

74

76

102

94

99

98

90

95

160

154

157

2

76

75

75

105

99

101

93

90

92

156

151

153

3

80

75

77

105

97

102

93

90

92

152

150

151

4

84

79

82

99

95

97

143

91

112

154

150

152

5

85

83

84

98

95

96

148

143

145

153

150

151

6

85

84

84

98

95

96

151

144

148

173

151

165

7

92

84

89

97

90

93

150

140

144

186

168

178

8

92

91

92

96

90

93

143

109

133

178

168

173

9

93

90

92

97

93

95

109

106

107

179

166

172

10

93

85

89

98

94

96

116

109

113

181

170

175

11

88

80

84

95

91

94

121

114

117

180

150

164

12

83

78

81

92

91

91

124

116

119

150

141

146

13

88

78

82

92

91

92

142

120

131

141

138

139

14

79

76

78

92

91

91

162

140

150

139

137

138

15

77

76

77

96

91

94

163

154

160

186

135

150

16

77

74

76

103

96

98

154

147

150

196

186

191

17

81

77

79

103

93

98

161

148

156

211

144

190

18

88

80

84

94

91

93

169

159

163

144

131

136

19

92

81

87

95

92

94

170

163

166

131

129

130

20

84

80

82

95

92

93

172

161

165

130

129

129

21

82

80

81

97

92

95

166

160

162

130

127

128

22

82

78

80

97

93

95

161

156

158

142

127

131

23

83

78

80

97

95

96

158

152

155

168

141

149

24

98

81

91

96

94

95

157

152

154

192

168

174

25

100

95

99

95

90

93

157

153

154

192

184

189

26

107

98

103

92

89

91

161

151

155

192

189

190

27

108

103

105

96

90

93

161

155

157

191

186

189

28

107

103

105

102

94

97

161

155

157

189

185

187

29

106

102

104

107

102

104

159

151

156

190

186

188

30

106

93

99

104

99

103

158

152

154

203

187

193

31

---

---

---

100

94

98

162

157

159

---

---

---

MONTH

108

74

87

107

89

96

172

90

141

211

127

162

Temperature, water, degrees Celsius 
WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003
DAY
MAX
MIN
MEAN
MAX
MIN
MEAN
MAX
MIN
MEAN
MAX
MIN
MEAN
OCTOBER
NOVEMBER
DECEMBER
JANUARY
1

10.6

5.0

8.2

4.0

0.4

2.5

0.3

0.0

0.0

---

---

---

2

10.5

5.7

7.8

4.8

1.3

2.8

0.7

0.0

0.1

---

---

---

3

7.8

4.4

6.0

3.6

0.0

1.3

0.1

0.0

0.0

---

---

---

4

9.0

2.6

5.8

3.8

0.0

1.3

0.1

0.0

0.0

---

---

---

5

11.1

4.6

7.3

2.6

0.0

0.7

0.4

0.0

0.1

---

---

---

6

11.2

3.5

7.2

4.4

0.0

1.5

0.0

0.0

0.0

---

---

---

7

11.5

3.6

7.6

4.8

0.0

1.8

0.1

0.0

0.0

---

---

---

8

11.8

4.1

8.0

4.5

1.4

2.9

0.1

0.0

0.0

---

---

---

9

11.3

4.1

7.8

2.9

0.1

1.4

0.0

0.0

0.0

0.2

0.0

0.0

10

10.9

3.3

7.3

---

---

---

0.0

0.0

0.0

0.3

0.0

0.1

11

11.1

4.5

7.7

---

---

---

0.1

0.0

0.0

0.9

0.0

0.2

12

9.9

3.9

6.9

---

---

---

0.1

0.0

0.0

1.0

0.0

0.2

13

9.8

1.6

5.6

1.8

0.0

0.5

0.1

0.0

0.0

0.5

0.0

0.1

14

10.0

2.4

6.0

2.4

0.0

0.7

0.1

0.0

0.0

0.6

0.0

0.1

15

9.5

2.0

5.8

2.5

0.0

0.6

0.1

0.0

0.0

0.1

0.0

0.0

16

9.4

2.9

6.0

0.6

0.0

0.1

0.1

0.0

0.0

0.1

0.0

0.0

17

9.6

1.7

5.6

1.6

0.0

0.3

0.1

0.0

0.0

0.1

0.0

0.0

18

9.5

2.0

5.8

1.4

0.0

0.3

---

---

---

0.1

0.0

0.0

19

9.1

2.1

5.6

0.4

0.0

0.1

---

---

---

0.1

0.0

0.0

20

8.1

1.6

4.9

1.9

0.0

0.3

---

---

---

0.1

0.0

0.0

21

7.1

1.4

4.5

2.4

0.0

0.5

---

---

---

0.4

0.0

0.1

22

7.1

1.7

4.6

2.0

0.0

0.5

---

---

---

0.8

0.0

0.1

23

7.3

2.8

5.0

1.5

0.0

0.3

---

---

---

1.5

0.0

0.4

24

6.5

2.9

4.8

2.5

0.0

0.9

---

---

---

1.7

0.0

0.6

25

6.9

1.8

4.4

1.7

0.0

0.3

---

---

---

1.9

0.0

0.5

26

6.2

1.6

4.1

0.1

0.0

0.0

---

---

---

1.7

0.0

0.3

27

5.9

3.9

4.8

0.1

0.0

0.0

---

---

---

2.9

0.0

0.8

28

6.9

2.4

4.6

0.1

0.0

0.0

---

---

---

1.5

0.0

0.4

29

5.7

1.2

3.2

0.4

0.0

0.1

---

---

---

2.1

0.0

0.4

30

3.3

0.2

1.8

0.5

0.0

0.1

---

---

---

2.4

0.0

0.6

31

5.5

0.9

3.2

---

---

---

---

---

---

3.4

0.0

0.9

MONTH

11.8

0.2

5.7

---

---

---

---

---

---

---

---

---

FEBRUARY
MARCH
APRIL
MAY
1

3.4

0.0

1.0

0.7

0.0

0.1

8.3

0.8

4.4

10.8

2.2

6.5

2

2.1

0.0

0.6

0.7

0.0

0.1

7.0

1.0

3.8

10.1

3.5

7.0

3

1.6

0.0

0.3

1.3

0.0

0.2

5.9

0.6

3.1

9.6

4.5

7.4

4

0.1

0.0

0.0

2.5

0.0

0.4

5.7

0.3

2.7

10.9

4.3

7.1

5

0.1

0.0

0.0

2.5

0.0

0.5

5.0

0.7

2.6

11.2

4.0

6.9

6

0.0

0.0

0.0

1.5

0.0

0.2

5.7

0.7

2.8

11.4

3.7

7.4

7

0.1

0.0

0.0

4.1

0.0

0.9

5.1

0.0

2.2

9.5

4.4

6.8

8

0.1

0.0

0.0

4.7

0.0

1.2

7.4

0.0

2.9

10.6

4.6

7.4

9

0.1

0.0

0.0

4.8

0.0

1.1

9.0

0.2

4.3

11.2

5.1

7.8

10

0.1

0.0

0.0

5.1

0.0

1.4

9.2

1.4

5.0

8.0

3.8

6.1

11

0.1

0.0

0.0

4.7

0.0

1.5

9.2

1.9

5.2

11.6

2.8

7.1

12

0.1

0.0

0.0

5.3

0.0

1.6

7.4

2.0

4.7

13.2

4.5

8.7

13

0.2

0.0

0.1

5.5

0.0

1.5

9.9

1.8

5.5

11.8

5.8

8.9

14

0.3

0.0

0.1

3.4

0.0

1.4

9.5

2.1

5.7

12.9

5.5

9.4

15

1.1

0.0

0.3

6.4

0.1

3.1

5.8

2.7

4.3

10.0

7.4

8.9

16

1.5

0.0

0.3

4.3

1.4

2.9

9.7

0.8

4.8

14.6

6.6

10.3

17

2.4

0.0

0.6

4.2

0.2

2.1

7.2

2.2

4.9

14.2

7.0

10.4

18

2.1

0.0

0.5

2.2

0.0

0.9

9.1

2.4

5.3

12.8

7.0

9.6

19

1.6

0.0

0.2

4.1

0.0

1.7

6.7

2.2

4.3

12.5

7.0

9.8

20

0.7

0.0

0.1

5.3

0.0

2.4

10.4

1.8

5.6

11.4

6.8

8.8

21

0.8

0.0

0.1

7.2

1.1

3.6

7.7

3.2

5.4

13.0

5.8

9.3

22

1.2

0.0

0.2

8.0

0.0

3.7

8.1

3.7

5.6

13.6

6.8

10.3

23

0.4

0.0

0.1

9.0

0.9

4.6

5.2

2.1

3.6

13.5

7.5

10.7

24

2.6

0.0

0.5

6.9

1.1

3.8

8.4

1.2

4.6

12.4

7.6

10.4

25

1.8

0.0

0.4

7.6

0.1

3.5

11.0

2.1

6.3

10.5

7.3

9.1

26

1.0

0.0

0.2

5.8

1.1

3.2

11.4

3.2

7.1

11.2

6.0

8.9

27

1.6

0.0

0.4

3.4

0.0

1.3

10.7

3.4

7.0

13.9

8.0

10.9

28

0.5

0.0

0.1

4.5

0.0

1.4

11.3

3.1

7.0

13.9

8.3

11.3

29

---

---

---

2.8

0.0

0.7

12.7

3.2

7.5

13.4

8.0

10.9

30

---

---

---

5.6

0.0

2.1

10.8

3.8

7.4

12.2

9.1

10.8

31

---

---

---

9.4

0.1

3.5

---

---

---

13.0

8.5

10.6

MONTH

3.4

0.0

0.2

9.4

0.0

1.8

12.7

0.0

4.9

14.6

2.2

8.9

JUNE
JULY
AUGUST
SEPTEMBER
1

11.5

9.3

10.2

16.0

11.4

13.6

19.0

14.3

16.4

18.9

11.3

15.0

2

12.5

8.1

10.3

17.6

11.3

14.3

19.4

14.7

16.7

17.6

11.0

14.4

3

13.2

8.8

11.0

17.2

11.4

14.3

18.7

15.5

17.0

15.8

11.6

13.5

4

12.9

8.7

10.9

17.3

11.6

14.4

19.3

15.1

16.9

16.9

10.6

13.6

5

11.2

9.0

10.2

15.6

11.5

14.0

19.3

12.2

15.8

16.3

10.4

13.3

6

11.7

7.7

9.8

15.4

11.7

13.8

17.3

12.4

15.2

15.6

11.5

13.2

7

12.7

8.5

10.4

16.3

11.6

14.2

17.7

11.9

14.8

13.2

11.1

12.1

8

13.4

7.6

10.6

17.4

12.5

14.9

19.8

12.9

15.6

16.5

8.6

12.3

9

12.1

8.8

10.7

17.6

12.7

15.3

18.3

15.1

16.6

12.6

10.2

11.4

10

13.8

8.8

11.1

17.6

12.5

15.1

18.5

14.9

16.5

12.7

8.7

10.3

11

14.0

9.3

11.7

17.2

12.4

15.0

18.3

15.1

16.3

11.9

7.7

9.8

12

13.0

10.0

11.5

17.1

13.2

15.2

17.8

14.2

15.8

15.1

8.0

11.2

13

12.1

8.8

10.5

16.9

13.3

15.3

18.1

13.4

15.4

12.9

9.7

11.0

14

13.5

9.5

11.6

16.7

13.3

14.9

19.5

11.5

15.2

14.3

7.4

10.6

15

14.1

10.3

12.2

16.5

12.9

14.5

19.8

11.1

15.2

14.4

7.4

10.8

16

12.1

10.3

11.2

17.2

13.0

14.6

16.9

11.9

14.3

13.9

6.0

9.9

17

12.6

9.0

10.9

17.9

12.8

15.0

16.5

11.7

13.8

14.3

8.0

11.0

18

12.9

9.9

11.2

18.4

13.5

15.7

16.0

11.6

13.6

13.4

7.2

10.1

19

12.1

9.8

10.9

17.9

13.9

15.7

18.1

10.1

13.8

13.8

7.4

10.5

20

12.3

9.7

11.1

17.0

13.6

15.4

19.9

11.0

15.2

14.0

8.2

10.8

21

14.1

9.5

11.8

18.3

13.6

15.8

17.0

12.2

14.8

14.0

7.8

10.7

22

14.6

10.3

12.5

18.7

13.9

16.2

16.3

12.4

14.5

14.5

7.8

10.8

23

14.0

10.8

12.5

18.2

14.2

15.8

16.1

12.6

14.4

14.6

7.2

10.7

24

14.3

9.7

11.9

18.0

14.0

16.0

17.6

10.9

14.2

14.5

6.5

10.2

25

14.5

9.5

11.9

18.0

14.6

16.2

17.0

12.4

14.6

13.3

5.6

9.4

26

16.0

9.6

12.6

18.6

14.7

16.4

18.5

11.4

14.6

13.5

5.4

9.4

27

16.4

9.7

13.1

18.1

15.0

16.3

17.4

12.2

14.8

13.7

5.7

9.7

28

15.3

10.1

12.9

18.9

14.4

16.2

16.3

12.7

14.2

14.0

6.0

9.9

29

15.7

10.5

13.1

18.3

13.8

15.7

18.4

10.8

14.3

13.5

5.7

9.6

30

15.2

10.9

13.2

18.5

14.0

16.3

15.7

11.7

13.5

13.5

6.4

9.7

31

---

---

---

17.4

14.4

15.9

18.7

11.5

14.5

---

---

---

MONTH

16.4

7.6

11.4

18.9

11.3

15.2

19.9

10.1

15.1

18.9

5.4

11.2


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Water Resources of Colorado
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