Table 3.
Environmental measure correlations, circadian rhythm removed | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|
1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | ||
1. | Solar wind speed | 1 | 0.50** | 0.35** | 0.10** | 0.17** | 0.42** | −0.14** | 0.23** | 0.44** |
2. | Kp index | 0.50** | 1 | 0.90** | 0.18** | 0.30** | 0.87** | −0.19** | 0.15** | 0.58** |
3. | Ap index | 0.35** | 0.90** | 1 | 0.19** | 0.30** | 0.82** | −0.20** | 0.14** | 0.61** |
4. | Sunspots, n | 0.10** | 0.18** | 0.19** | 1 | 0.81** | 0.24** | 0.10** | 0.11** | 0.15** |
5. | F10.7 index | 0.17** | 0.30** | 0.30** | 0.81** | 1 | 0.35** | −0.05** | 0.24** | 0.18** |
6. | PC(N) | 0.42** | 0.87** | 0.82** | 0.24** | 0.35** | 1 | −0.08** | 0.09** | 0.43** |
7. | Cosmic ray, counts | −0.14** | −0.19** | −0.20** | 0.10** | −0.05** | −0.08** | 1 | −0.58** | −0.15** |
8. | SRP | 0.23** | 0.15** | 0.14** | 0.11** | 0.24** | 0.09** | −0.58** | 1 | 0.28** |
9. | ULF | 0.44** | 0.58** | 0.61** | 0.15** | 0.18** | 0.43** | −0.15** | 0.28** | 1 |
*p < 0.05, **p < 0.01.