Table 1. Vogelsang Trend Tests for Unadjusted CRU Temperature Series.
tDAN for a test of size: | |||||||
Slope | Change in temp. | 1% | 2.5% | 5% | 10% | J | |
CRU TS 1.0 1970-1995 | |||||||
Gikongoro | 0.0009 | 0.27 K | 1.0292 | 1.1722 | 1.2849 | 1.3770 | 0.1940 |
Kabale | 0.0008 | 0.24 K | 0.9372 | 1.0566 | 1.1498 | 1.2255 | 0.1787 |
Kericho | 0.0007 | 0.21 K | 0.9854 | 1.0038 | 1.0169 | 1.0270 | 0.0276 |
Muhanga | 0.0009 | 0.27 K | 1.3586 | 1.4364 | 1.4939 | 1.5388 | 0.0830 |
CRU TS 2.1 1966-1996 | |||||||
Gikongoro | 0.0024 | 1.33 K | 6.6471 | 6.7271 | 6.7841 | 6.8275 | 0.0124 |
Kabale | 0.0022 | 1.26 K | 6.2383 | 6.3129 | 6.3661 | 6.4065 | 0.0142 |
Kericho | 0.0020 | 1.10 K | 4.5672 | 4.6241 | 4.6647 | 4.6955 | 0.0141 |
Muhanga | 0.0024 | 1.32 K | 6.9302 | 6.9798 | 7.0150 | 7.0417 | 0.0084 |
East Africa | 0.0024 | 1.33 K | 6.3690 | 6.3906 | 6.4058 | 6.4174 | 0.0047 |
CRU TS 2.1 1950-2002 | |||||||
Gikongoro | 0.0014 | 0.88 K | 5.2578 | 5.5488 | 5.7635 | 5.9311 | 0.0801 |
Kabale | 0.0014 | 0.91 K | 5.6928 | 5.9445 | 6.1286 | 6.2713 | 0.0644 |
Kericho | 0.0009 | 0.58 K | 2.8030 | 2.9514 | 3.0607 | 3.1458 | 0.0764 |
Muhanga | 0.0014 | 0.87 K | 5.4726 | 5.6860 | 5.8415 | 5.9616 | 0.0568 |
East Africa | 0.0014 | 0.86 K | 5.1451 | 5.3455 | 5.4913 | 5.6041 | 0.0558 |
CRU TS 2.1 1970-1995 | |||||||
Gikongoro | 0.0030 | 1.63 K | 7.8737 | 7.9935 | 8.0791 | 8.1442 | 0.0207 |
Kabale | 0.0027 | 1.51 K | 7.2907 | 7.3972 | 7.4733 | 7.5312 | 0.0188 |
Kericho | 0.0021 | 1.14 K | 4.4185 | 4.4565 | 4.4835 | 4.5039 | 0.0127 |
Muhanga | 0.0030 | 1.64 K | 8.2203 | 8.3123 | 8.3778 | 8.4276 | 0.0147 |
East Africa | 0.0024 | 1.33 K | 5.8016 | 5.8580 | 5.8981 | 5.9285 | 0.0144 |
CRU TS 3.0 1970-1995 | |||||||
Gikongoro | 0.0011 | 0.38 K | 2.3754 | 2.4673 | 2.5341 | 2.5858 | 0.0257 |
Kabale | 0.0008 | 0.30 K | 1.8219 | 1.8855 | 1.9317 | 1.9673 | 0.0218 |
Kericho | 0.0024 | 0.87 K | 3.9763 | 4.1289 | 4.2401 | 4.3260 | 0.0309 |
Muhanga | 0.0013 | 0.46 K | 3.0381 | 3.1153 | 3.1709 | 3.2135 | 0.0171 |
East Africa | 0.0015 | 0.53 K | 3.2572 | 3.3316 | 3.3849 | 3.4258 | 0.0135 |
CRU TS 3.0 1966-1995 | |||||||
Gikongoro | 0.0009 | 0.31 K | 2.4917 | 2.5957 | 2.6716 | 2.7304 | 0.0202 |
Kabale | 0.0007 | 0.25 K | 1.9526 | 2.0271 | 2.0813 | 2.1232 | 0.0163 |
Kericho | 0.0021 | 0.76 K | 4.4329 | 4.6279 | 4.7704 | 4.8809 | 0.0414 |
Muhanga | 0.0011 | 0.38 K | 3.2002 | 3.2849 | 3.3459 | 3.3928 | 0.0143 |
East Africa | 0.0016 | 0.56 K | 4.2935 | 4.4178 | 4.5076 | 4.5765 | 0.0105 |
CRU TS 3.0 1966-2006 | |||||||
Gikongoro | 0.0029 | 1.41 K | 3.3042 | 4.0075 | 4.5913 | 5.0877 | 0.2146 |
Kabale | 0.0030 | 1.44 K | 3.1192 | 3.8203 | 4.4072 | 4.9092 | 0.2361 |
Kericho | 0.0035 | 1.69 K | 7.5176 | 7.9318 | 8.2374 | 8.4758 | 0.0653 |
Muhanga | 0.0029 | 1.38 K | 4.4023 | 4.9657 | 5.4056 | 5.7633 | 0.1300 |
East Africa | 0.0032 | 1.54 K | 6.6389 | 7.1417 | 7.5188 | 7.8166 | 0.0842 |
Note: Significant t-statistics are marked in bold. tDAN test is for significance of the trend and J is a test for a unit root in the residuals of the trend regression. The change in temperature is the trend coefficient multiplied by the length of the sample period.