Weights of Clocks
| Jan 17 |
| 1 |
USNO |
33.502 |
| 2 |
SU |
10.303 |
| 3 |
SP |
6.540 |
| 4 |
NIST |
5.837 |
| 5 |
F |
4.840 |
| 6 |
NICT |
4.641 |
| 7 |
NTSC |
4.544 |
| 8 |
IT |
3.894 |
| 9 |
APL |
3.342 |
| 10 |
NMIJ |
3.069 |
| Feb 17 |
| 1 |
USNO |
32.993 |
| 2 |
SU |
10.091 |
| 3 |
NIST |
6.791 |
| 4 |
SP |
6.311 |
| 5 |
NTSC |
5.162 |
| 6 |
NICT |
4.431 |
| 7 |
F |
3.924 |
| 8 |
IT |
3.717 |
| 9 |
APL |
3.285 |
| 10 |
NMIJ |
3.172 |
| Mar 17 |
| 1 |
USNO |
32.229 |
| 2 |
SU |
10.013 |
| 3 |
NIST |
7.108 |
| 4 |
NICT |
6.191 |
| 5 |
SP |
5.853 |
| 6 |
NTSC |
4.805 |
| 7 |
F |
3.900 |
| 8 |
IT |
3.583 |
| 9 |
APL |
3.262 |
| 10 |
NMIJ |
3.202 |
| Apr 17 |
| 1 |
USNO |
31.668 |
| 2 |
SU |
10.149 |
| 3 |
NIST |
7.348 |
| 4 |
NICT |
6.336 |
| 5 |
SP |
6.233 |
| 6 |
NTSC |
4.842 |
| 7 |
F |
3.975 |
| 8 |
NMIJ |
3.334 |
| 9 |
APL |
3.220 |
| 10 |
IT |
3.078 |
| May 17 |
| 1 |
USNO |
30.625 |
| 2 |
SU |
12.213 |
| 3 |
SP |
7.011 |
| 4 |
NIST |
6.983 |
| 5 |
NICT |
5.984 |
| 6 |
NTSC |
4.719 |
| 7 |
F |
3.923 |
| 8 |
APL |
3.203 |
| 9 |
IT |
3.039 |
| 10 |
NIM |
2.834 |
| Jun 17 |
| 1 |
USNO |
29.001 |
| 2 |
SU |
12.240 |
| 3 |
SP |
7.162 |
| 4 |
NIST |
6.695 |
| 5 |
NICT |
6.195 |
| 6 |
NTSC |
4.801 |
| 7 |
F |
4.017 |
| 8 |
NIM |
3.559 |
| 9 |
IT |
3.410 |
| 10 |
APL |
3.174 |
| Jul 17 |
| 1 |
USNO |
26.886 |
| 2 |
SU |
11.856 |
| 3 |
SP |
7.243 |
| 4 |
NIST |
6.630 |
| 5 |
NICT |
6.392 |
| 6 |
NTSC |
5.225 |
| 7 |
F |
4.267 |
| 8 |
NIM |
3.831 |
| 9 |
IT |
3.320 |
| 10 |
APL |
3.094 |
| Aug 17 |
| 1 |
USNO |
26.490 |
| 2 |
SU |
15.648 |
| 3 |
SP |
6.931 |
| 4 |
NICT |
6.278 |
| 5 |
NIST |
5.722 |
| 6 |
F |
4.664 |
| 7 |
NTSC |
4.528 |
| 8 |
NIM |
3.421 |
| 9 |
IT |
3.247 |
| 10 |
APL |
3.042 |
| Sep 17 |
| 1 |
USNO |
26.366 |
| 2 |
SU |
15.210 |
| 3 |
SP |
7.029 |
| 4 |
NICT |
6.752 |
| 5 |
NIST |
5.571 |
| 6 |
F |
4.960 |
| 7 |
NTSC |
4.347 |
| 8 |
IT |
3.191 |
| 9 |
APL |
2.965 |
| 10 |
NIM |
2.873 |
| Oct 17 |
| 1 |
USNO |
26.001 |
| 2 |
SU |
14.019 |
| 3 |
SP |
7.570 |
| 4 |
NICT |
6.952 |
| 5 |
NIST |
5.231 |
| 6 |
F |
5.038 |
| 7 |
NTSC |
3.945 |
| 8 |
NIM |
3.188 |
| 9 |
IT |
3.179 |
| 10 |
APL |
2.908 |
| Nov 17 |
| 1 |
USNO |
26.955 |
| 2 |
SU |
14.430 |
| 3 |
SP |
8.119 |
| 4 |
NICT |
6.763 |
| 5 |
F |
5.146 |
| 6 |
NIST |
4.850 |
| 7 |
NTSC |
4.025 |
| 8 |
NIM |
3.394 |
| 9 |
APL |
2.971 |
| 10 |
NMIJ |
2.637 |
| Dec 17 |
| 1 |
USNO |
28.139 |
| 2 |
SU |
13.762 |
| 3 |
SP |
7.622 |
| 4 |
NICT |
6.926 |
| 5 |
NIST |
4.976 |
| 6 |
F |
4.255 |
| 7 |
NTSC |
4.040 |
| 8 |
NIM |
3.313 |
| 9 |
APL |
3.020 |
| 10 |
NMIJ |
2.575 |
| average |
| 1 |
USNO |
29.238 |
| 2 |
SU |
12.494 |
| 3 |
SP |
6.969 |
| 4 |
NICT |
6.153 |
| 5 |
NIST |
6.145 |
| 6 |
NTSC |
4.582 |
| 7 |
F |
4.409 |
| 8 |
IT |
3.171 |
| 9 |
APL |
3.124 |
| 10 |
NIM |
3.113 |
| USNO: | USA | NPL: | United Kingdom | TP: | Czech |
| F: | France | VSL: | The Nederlands | SCL: | HongKong |
| NICT: | Japan | IT: | Italy | BEV: | Austria |
| NIST: | USA | IFAG: | Germany | NTSC: | China |
| TL: | Taiwan | NIM: | China | ONRJ: | Brazil |
| PTB: | Germany | ROA: | Spain | KRIS: | Korea |
| PL: | Poland | NRC: | Canada | SU: | Russia |
| NMIJ: | Japan | SP: | Sweden | UME: | Turkey |