17
TABLES OF CORRECTIONS TO Pi AND P 2 FOR DAILY OSCILLATION—Continued.
III. ZI-KA-WEI.
[121° 26' east of Greenwich; 31° 11' north latitude.]
V
January.
February.
March.
April.
May.
June.
Hour.
Inches.
Milli-
meters.
Inches.
Milli-
meters.
Inches.
Milli-
meters.
Inches.
Milli-
meters.
Inches.
Milli-
meters.
Inches.
Milli-
meters.
1 a. m
—0. 009
—0.2
—0. 008
—0.2
—0. 012
—0.3
—0. 002
—0.1
—0. 006
—0.2
—0. 006
—0.2
2 a. m_
—0. 007
—0.2
—0. 003
—0.1
—0. 004
—0.1
0. 007
0.2
0. 003
0.1
0. 002
0. 1
3 a. in .. -
0. 000
0.0
0.006
0.2
0. 009
0.2
0. 017
0.4
0. 009
0. 2
0. 005
0.1
4 a. m
0. 007
0.2
0. 011
0.3
.0.015
0.4
0.020
0.5
0.011
0.3
0.010
0.3
0.007
0. 2
0. 011
0. 3
0. 011
0 3
0 01()
0.4
0 1
0. 008—0.002—0. 012
0.2—0 1
0. 007—0.002
0.2
—0.1
—0.3
6 a. in
—0. 001
0. 0
—0. 002
0.1
0. 003
0. 1
0. 003
7 a. m_
—0. Oil
—0.3
—0.009
—0.2
—0. 012
—0.3
—0. 012
—0.3
—0.3
—0. 012
8 a. m
—0. 023
—0.6
—0. 023
—0.6
—0. 026
—0.7
—0.023
—0.6
—0. 021
—0.5
—0. 020
—0. 5
9 a. m_
—0. 027
—0.7
—0. 032
—0.8
—0. 033
—0.8
—0. 032
—0.8
—0.027
—0.7
—0. 022
—0.6
10 a. m_
—0. 039
—1.0
—0. 035
—0.9
—0. 034
—0.9
—0. 036
—0.9
—0. 027
—0. 7
—0. 022
—0. 6
11 a. in_
—0. 022
—0.6
—0. 029
—0.7
—0. 028
—0.7
—0. 029
—0.7
—0. 022
—0.6
—0. 019
—0.5
Noon_
0.007
0.2
—0. 008
—0.2
—0. Oil
—0.3
—0. 017
—0.4
—0. 010
—0.3
—0. 009
—0.2
1 p. in_
0. 032
0.8
0.017
0.4
0.010
0.3
0. 001
0.0
0. 005
0.1
0. 004
0.1
2 p. m_
0.041
1.0
0. 033
0.8
0.028
0.7
0. 016
0.4
0. 017
0.4
0. 013
0.3
3 p. m .
0. 041
1. 0
0. 036
0. 9
0. 036
0. 9
0. 030
0. 8
0. 027
0. 7
0. 021
0. 5
4 p. in_
0. 032
0.8
0.032
0.8
0. 038
1.0
0. 035
0.9
0. 032
0.8
0. 029
0.7
5 p. in_
0.023
0.6
0.024
0.6
0. 033
0.8
0.032
0.8
0. 033
0.8
0. 032
0.8
6 p. m_
0.012
0.3
0.012
0.3
0. 023
0.6
0.024
0.6
0.025
0.6
0. 026
0.7
7 p. in _
0. 003
0.1
0. 005
0.1
0. 014
0.4
0. 014
0.4
0. 015
0.4
0.013
0.3
8 p. in_
—0. 006
—0.2
—0. 003
—0.1
0. 000
0.0
—0. 002
—0.1
0. 001
0.0
0. 000
0.0
9 p. m_
—0. 012
—0.3
—0. 010
—0.3
—0. 013
—0.3
—0.015
—0.4
—0.013
—0. 3
—0. 013
—0.3
10 p. in _
—0. 013
—0.3
—0. 013
—0.3
—0. 017
—0.4
—0.019
—0.5
—0.017
—0.4
—0.019
—0.5
11 p. m_
—0. Oil
—0.3
—0. 012
—0.3
—0.014
—0.4
—0. 017
—0.4
—0.014
—0.4
—0. 015
—0.4
Midnight_
—0. 012
—0.3
—0. 009
—0.2
—0. 018
—0.5
—0. 012
—0.3
—0. 015
—0.4
—0. 015
—0.4
July.
August.
September.
October.
November.
December.
Hour.
Inches.
Milli-
meters.
Inches.
Milli.
meters.
Inches.
Milli-
meters.
Inches.
Milli.
meters.
Inches.
Milli-
meters.
Inches.
Milli-
meters.
1 a. in_
—0. 001
0.0
—0. 002
—0.1
—0. 002
—0.1
0. 002
0.1
—0.003
—0.1
—0. 006
—0.2
2 a. in_
0. 007
0.2
0. 006
0.2
0. 005
0.1
0. 008
0.2
0. 002
0.1
0.003
0.1
3 a. in_
0. 012
0.3
0. 011
0.3
0. 012
0.3
0. 015
0.4
0.007
0.2
0.001
0.0
4 a. in_
0. 013
0.3
0. 014
0.4
0. 015
0.4
0.018
0.5
0. 012
0.3
0.009
0.2
5 a. in_
0. 009
0.2
0. 010
0.3
0. 012
0.3
0. 012
0.3
0.010
0.3
0.009
0.2
6 a. in_
0. 001
0.0
0. 001
0.0
0. 003
0.1
0. 003
0.1
0. 000
0.0
0. 001
0.0
7 a. m_
—0. 010
—0.3
—0. 011
—0.3
—0. 009
—0.2
—0. 012
—0.3
—0. 014
—0.4
—0. 010
—0.3
8 a. in _
—0. 017
—0.4
—0. 019
—0.5
—0. 019
—0.5
—0. 029
—0.7
—0. 030
—0.8
—0. 023
—0.6
9 a. in _
—0. 021
—0.5
—0. 025
—0.6
—0. 027
—0.7
-0. 034
—0.9
—0.038
—1.0
—0. 036
—0.9
10 a. m
—0. 021
—0.5
—0. 026
—0.7
—0. 028
—0.7
—0. 030
—0.8
—0.037
—0.9
—0. 038
-1.0
11 a. in_
—0. 016
—0.4
—0. 019
—0.5
—0. 020
—0.5
—0. 020
—0.5
—0. 024
—0.6
—0. 023
—0.6
Noon.
—0. 009
—0.2
—0. 008
—0.2
—0. 007
—0.2
—0. 001
0.0
0. 000
0.0
0. 004
0.1
1 p. m_
0. 001
0.0
0. 003
0.1
0. 008
0.2
0. 021
0.5
0. 022
0.6
0. 028
0.7
2 p. m— r —
0. Oil
0.3
0. 015
0.4
0. 020
0.5
0. 029
0.7
0. 030
0.8
0. 038
1.0
3 p. in_
0. 019
0.5
0. 024
0.6
0. 025
0.6
0. 030
0.8
0. 032
0.8
0.038
1.0
4 p. m_
0. 025
0.6
0. 026
0.7
0. 023
0.6
0.027
0.7
0. 026
0.7
0. 030
0.8
5 p. in __
0. 028
0.7
0.029
0.7
0. 019
0.5
0. 021
0.5
0. 018
0.5
0.021
0.5
6 p. in_
0. 022
0.6
0. 024
0.6
0.013
0.3
0. 012
0.3
0.005
0.1
0. 009
0.2
7 p. in.
0. 013
0.3
0.015
0.4
0. 004
0.1
0.001
0.0
—0. 005
—0.1
—0.001
0.0
8 p. m_
—0. 001
0.0
0. 000
0.0
—0. 012
—0.3
—0. 010
—0.3
—0.012
—0.3
—0. 006
—0.2
9 p. ni__
—0. 013
—0.3
—0. 015
—0.4
—0. 023
—0.6
—0. 017
—0.4
—0. 018
—0.5
—0. 011
—0.3
10 p. m _
—0. 019
—0.5
—0.019
—0.5
—0. 024
—0.6
—0. 018
—0.5
—0. 021
—0.5
—0. 012
—0.3
11 p. in_
Midnight
—0. 017—0. 009
—0.4
—0.2
—0.018—0. 009
—0.5
—0.2
—0. 021—0. 010
—0.5
—0.3
—0. 014—0. 003
—0.4
—0.1
—0. 016—0.007
—0.4
—0.2
—0. 011—0. 010
-0.3
—0.3
17871
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