Table 1
Descriptive statistics of the variables introduced in the Ascending Hierarchical Classification (AHC). TN and TX = tn- and tx-inversions; Frq = frequency (%); Intens = intensity (°C); Seq = duration of sequencies of isolated inversions (days); PersTNTX = duration of persistent inversions (days). Statistiques descriptives des variables introduites dans la classification hiérarchique ascendante (CHA). TN et TX = tn- et tx-inversions; Frq = fréquence (%); Intens = intensité (°C); Seq = durée des séquences d’inversions (jours); PersTNTX = durée des inversions persistantes (jours).
| Variable | Minimum | Maximum | Mean | Stand. deviation |
|---|---|---|---|---|
| Intens-TN | -20.4 | 50.6 | 24.3 | 11.6 |
| Intens-TX | -8.3 | 48.5 | 12.0 | 7.1 |
| Frq-TN | -49.9 | 26.0 | 63.0 | 15.8 |
| Frq-TX | -20.3 | 48.0 | 26.6 | 12.2 |
| Seq_TN | -12.4 | 44.4 | 13.0 | 9.7 |
| Seq_TX | -0.6 | 2.0 | 0.7 | 0.3 |
| PersTNTX | -4.7 | 38.9 | 5.2 | 4.8 |
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