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American Relative Sunspot Numbers for May 2001

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
148

152

155

173

153

117

94

75

80

81

104

114

121

130

131

129

127

123

113

104

127

157

161

157

142

156

142

132

105

88

87
6.9

6.5

8.1

7.8

7.3

5.5

3.8

2.2

3.2

2.6

3.7

4.4

5

7.3

7.4

6.4

5.4

6.8

4.8

4.5

4.3

5.9

7.3

8

6.2

9.1

8.3

6.3

5

3.2

4.5
  123

127

128

140

125

94

77

62

64

66

86

92

94

107

103

103

105

101

90

85

101

131

132

128

113

125

113

106

86

72

72
4

3.9

5.3

4.5

4.6

3.6

2.7

1.4

1.9

1.7

2.3

2.7

2.4

4.6

4.5

3.3

3.2

4.5

3.3

2.8

2.5

3.1

4.7

5.1

3.5

5.4

5.4

4.2

3.3

2.2

3.5
Means:125.0  101.6 
No. of Observations: 1174
No. of Observers: 69

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