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American Relative Sunspot Numbers for October 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
59

72

80

103

151

160

157

140

151

155

160

167

178

157

133

154

147

137

128

135

123

117

113

124

150

175

161

163

182

192

169
2.5

3.2

4.8

4.6

5.2

6.1

6.6

6.3

8.5

7.3

7.0

6.9

10.4

7.9

6.2

8.2

7.3

6.9

7.1

8.4

5.8

8.6

6.8

6.3

6.1

7.4

7.3

8.3

8.8

10.2

8.2
  54

62

71

84

127

138

140

122

129

128

135

145

146

132

117

135

124

116

104

114

104

100

94

103

133

149

146

141

156

173

153
2.4

2.6

3.2

3.0

3.0

4.3

4.9

4.7

4.5

4.1

4.2

5.1

7.3

6.1

5.1

5.9

5.2

6.1

4.4

4.4

3.7

4.6

3.8

3.6

4.6

5.7

5.9

6.3

5.9

6.8

5.0
Means:141.7  121.8 
No. of Observers: 72

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