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Daily Mean Sunspot Numbers for August 1999

DayMn. Raw Ras.d.       Mn. Rak  s.d.
1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31
125

124

129

131

166

179

187

167

143

171

170

180

193

218

206

184

166

154

139

115

89

77

82

89

96

103

136

160

173

171

177
4.9

4.9

6.6

5.0

7.0

6.7

7.2

6.6

6.9

7.6

7.5

8.3

9.3

9.6

10.4

9.9

9.0

7.9

6.1

4.6

4.5

2.5

3.2

3.3

2.7

4.2

5.8

5.8

8.1

7.3

6.4
  107

107

107

108

144

159

162

144

122

138

148

160

166

181

167

154

141

131

118

103

75

68

67

74

84

87

112

144

146

147

157
3.7

2.9

4.3

3.5

5.7

4.8

5.7

4.6

4.9

4.9

6.2

5.1

5.9

5.6

7.0

7.0

5.7

4.6

3.9

3.0

2.6

2.0

2.2

2.3

2.1

3.1

5.1

4.4

5.1

5.1

4.4

Means:148.5  126.8 
No. of Observations: 1287
No. of Observers: 68

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