Table 3. Temporal correlation (Pearson) for different lead times between Upper Paraguay River Basin (UPRB) monthly mean precipitation and Sea Surface Temperature (SST) for several oceanic regions.
| Oceanic Region* | SST lead PP | Correlation coefficient (r) | P-value from equation: | Significance level |
r must exceed: ± | Standard error of the estimate | r-squared | Confidence level | r range | |
|---|---|---|---|---|---|---|---|---|---|---|
| PAC-NW | 6 | 0.5729 | 8.75109E-41 | 0.01 | 0.1210 | 2.9423 | 32.8% | 0.99 | 0.4854 | 0.6491 |
| 5 | 0.1483 | 0.001566803 | 0.01 | 0.1210 | 3.5501 | 2.2% | 0.99 | 0.0276 | 0.2648 | |
| 4 | -0.3159 | 6.22412E-12 | 0.01 | 0.1210 | 3.4060 | 10.0% | 0.99 | -0.4210 | -0.2024 | |
| 3 | -0.6927 | 7.34923E-66 | 0.01 | 0.1210 | 2.5891 | 48.0% | 0.99 | -0.7509 | -0.6239 | |
| 2 | -0.8832 | 4.8966E-150 | 0.01 | 0.1210 | 1.6839 | 78.0% | 0.99 | -0.9073 | -0.8533 | |
| 1 | -0.8396 | 2.3361E-121 | 0.01 | 0.1210 | 1.9498 | 70.5% | 0.99 | -0.8721 | -0.7998 | |
| 0 | -0.5763 | 2.36906E-41 | 0.01 | 0.1210 | 2.9338 | 33.2% | 0.99 | -0.6520 | -0.4892 | |
| ATL-N | 6 | 0.5614 | 6.71244E-39 | 0.01 | 0.1210 | 1.5711 | 31.5% | 0.99 | 0.4723 | 0.6391 |
| 5 | 0.1384 | 0.003184196 | 0.01 | 0.1210 | 1.8803 | 1.9% | 0.99 | 0.0175 | 0.2554 | |
| 4 | -0.3272 | 9.69158E-13 | 0.01 | 0.1210 | 1.7940 | 10.7% | 0.99 | -0.4313 | -0.2145 | |
| 3 | -0.6969 | 5.83481E-67 | 0.01 | 0.1210 | 1.3616 | 48.6% | 0.99 | -0.7544 | -0.6288 | |
| 2 | -0.8824 | 1.8183E-149 | 0.01 | 0.1210 | 0.8932 | 77.9% | 0.99 | -0.9067 | -0.8524 | |
| 1 | -0.8303 | 2.5401E-116 | 0.01 | 0.1210 | 1.0581 | 68.9% | 0.99 | -0.8645 | -0.7884 | |
| 0 | -0.5525 | 1.7224E-37 | 0.01 | 0.1210 | 1.5824 | 30.5% | 0.99 | -0.6315 | -0.4623 | |
| PAC-NE | 6 | 0.5491 | 5.78092E-37 | 0.01 | 0.1210 | 2.1512 | 30.2% | 0.99 | 0.4584 | 0.6285 |
| 5 | 0.1307 | 0.005371116 | 0.01 | 0.1210 | 2.5520 | 1.7% | 0.99 | 0.0097 | 0.2480 | |
| 4 | -0.3302 | 5.86676E-13 | 0.01 | 0.1210 | 2.4297 | 10.9% | 0.99 | -0.4340 | -0.2177 | |
| 3 | -0.6960 | 1.02072E-66 | 0.01 | 0.1210 | 1.8484 | 48.4% | 0.99 | -0.7536 | -0.6277 | |
| 2 | -0.8771 | 1.9225E-145 | 0.01 | 0.1210 | 1.2362 | 76.9% | 0.99 | -0.9024 | -0.8459 | |
| 1 | -0.8217 | 5.9945E-112 | 0.01 | 0.1210 | 1.4670 | 67.5% | 0.99 | -0.8575 | -0.7780 | |
| 0 | -0.5477 | 9.52888E-37 | 0.01 | 0.1210 | 2.1536 | 30.0% | 0.99 | -0.6273 | -0.4568 | |
| ATL-SC | 6 | -0.4995 | 6.71269E-30 | 0.01 | 0.1210 | 1.5416 | 25.0% | 0.99 | -0.5853 | -0.4027 |
| 5 | -0.0663 | 0.159618844 | 0.01 | 0.1210 | 1.7756 | 0.4% | 0.99 | -0.1860 | 0.0554 | |
| 4 | 0.3909 | 6.00686E-18 | 0.01 | 0.1210 | 1.6379 | 15.3% | 0.99 | 0.2830 | 0.4889 | |
| 3 | 0.7437 | 1.00646E-80 | 0.01 | 0.1210 | 1.1896 | 55.3% | 0.99 | 0.6841 | 0.7934 | |
| 2 | 0.8961 | 6.982E-161 | 0.01 | 0.1210 | 0.7897 | 80.3% | 0.99 | 0.8694 | 0.9177 | |
| 1 | 0.8067 | 7.7852E-105 | 0.01 | 0.1210 | 1.0517 | 65.1% | 0.99 | 0.7597 | 0.8452 | |
| 0 | 0.4986 | 8.74829E-30 | 0.01 | 0.1210 | 1.5425 | 24.9% | 0.99 | 0.4017 | 0.5845 | |
| PAC-SAC | 6 | -0.4457 | 1.90567E-23 | 0.01 | 0.1210 | 2.0732 | 19.9% | 0.99 | -0.5379 | -0.3430 |
| 5 | -0.0141 | 0.764971423 | 0.01 | 0.1210 | 2.3158 | 0.0% | 0.99 | -0.1351 | 0.1073 | |
| 4 | 0.4296 | 1.00293E-21 | 0.01 | 0.1210 | 2.0914 | 18.5% | 0.99 | 0.3253 | 0.5236 | |
| 3 | 0.7580 | 1.46341E-85 | 0.01 | 0.1210 | 1.5105 | 57.5% | 0.99 | 0.7013 | 0.8053 | |
| 2 | 0.8852 | 1.1881E-151 | 0.01 | 0.1210 | 1.0775 | 78.4% | 0.99 | 0.8558 | 0.9089 | |
| 1 | 0.7751 | 8.91981E-92 | 0.01 | 0.1210 | 1.4633 | 60.1% | 0.99 | 0.7217 | 0.8194 | |
| 0 | 0.4585 | 7.04038E-25 | 0.01 | 0.1210 | 2.0582 | 21.0% | 0.99 | 0.3571 | 0.5492 | |
| PAC-S | 6 | -0.6251 | 2.30212E-50 | 0.01 | 0.1210 | 1.5781 | 39.1% | 0.99 | -0.6937 | -0.5452 |
| 5 | -0.2200 | 2.33802E-06 | 0.01 | 0.1210 | 1.9722 | 4.8% | 0.99 | -0.3323 | -0.1014 | |
| 4 | 0.2456 | 1.23195E-07 | 0.01 | 0.1210 | 1.9598 | 6.0% | 0.99 | 0.1282 | 0.3562 | |
| 3 | 0.6515 | 6.03684E-56 | 0.01 | 0.1210 | 1.5338 | 42.4% | 0.99 | 0.5757 | 0.7162 | |
| 2 | 0.8814 | 1.0472E-148 | 0.01 | 0.1210 | 0.9548 | 77.7% | 0.99 | 0.8512 | 0.9059 | |
| 1 | 0.8744 | 1.9141E-143 | 0.01 | 0.1210 | 0.9809 | 76.5% | 0.99 | 0.8425 | 0.9002 | |
| 0 | 0.6311 | 1.36871E-51 | 0.01 | 0.1210 | 1.5683 | 39.8% | 0.99 | 0.5521 | 0.6989 | |
| ATL-S | 6 | -0.6024 | 5.64135E-46 | 0.01 | 0.1210 | 1.6344 | 36.3% | 0.99 | -0.6743 | -0.5190 |
| 5 | -0.2064 | 9.69674E-06 | 0.01 | 0.1210 | 2.0035 | 4.3% | 0.99 | -0.3196 | -0.0874 | |
| 4 | 0.2516 | 5.89958E-08 | 0.01 | 0.1210 | 1.9817 | 6.3% | 0.99 | 0.1345 | 0.3618 | |
| 3 | 0.6471 | 5.65093E-55 | 0.01 | 0.1210 | 1.5611 | 41.9% | 0.99 | 0.5706 | 0.7124 | |
| 2 | 0.8716 | 2.0873E-141 | 0.01 | 0.1210 | 1.0038 | 76.0% | 0.99 | 0.8390 | 0.8979 | |
| 1 | 0.8592 | 4.5873E-133 | 0.01 | 0.1210 | 1.0476 | 73.8% | 0.99 | 0.8238 | 0.8880 | |
| 0 | 0.6164 | 1.21997E-48 | 0.01 | 0.1210 | 1.6124 | 38.0% | 0.99 | 0.5351 | 0.6863 | |
| IND-S | 6 | -0.6395 | 2.44172E-53 | 0.01 | 0.1210 | 1.6710 | 40.9% | 0.99 | -0.7060 | -0.5618 |
| 5 | -0.2464 | 1.11501E-07 | 0.01 | 0.1210 | 2.1064 | 6.1% | 0.99 | -0.3570 | -0.1291 | |
| 4 | 0.2132 | 4.83599E-06 | 0.01 | 0.1210 | 2.1235 | 4.5% | 0.99 | 0.0944 | 0.3260 | |
| 3 | 0.6236 | 4.55278E-50 | 0.01 | 0.1210 | 1.6991 | 38.9% | 0.99 | 0.5434 | 0.6925 | |
| 2 | 0.8671 | 2.8992E-138 | 0.01 | 0.1210 | 1.0828 | 75.2% | 0.99 | 0.8334 | 0.8943 | |
| 1 | 0.8755 | 2.9429E-144 | 0.01 | 0.1210 | 1.0501 | 76.7% | 0.99 | 0.8439 | 0.9011 | |
| 0 | 0.6460 | 9.78532E-55 | 0.01 | 0.1210 | 1.6591 | 41.7% | 0.99 | 0.5693 | 0.7115 | |
* PAC-NW–Pacific North West, ATL-N–Atlantic North, PAC-NE–Pacific North East, ATL-SC–Atlantic South Central, PAC-SAC–Pacific South American Coast, PAC-S–Pacific South, ATL-S–Atlantic South, and IND-S–Indian South. Fig 7 shows locations of oceanic regions.