Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Chaco Culture' has mentioned 'Climate' in the following places:
Occurrence Sentence Text Source
Contents 1 Geography 2 Geology 3 Climate 4 Flora and fauna 5 History 5.1 Archaicxe2x80x93Early Basketmakers 5.2 Ancestral Puebloans 5.3 Athabaskan succession 5.4 Excavation and protection 6 Management 7 Sites 7.1 Central canyon 7.2 Outliers 8 Ruins 8.1 Great houses 8.2 Uses 9 Archaeoastronomy 9.1 Sun Dagger 9.2 Alignments 10 Gallery 11 See also 12 Notes 13 Citations 14 References 15 Sources 16 Further reading 17 External links
Climate[edit]
[8] The region averages fewer than 150xc2xa0frost-free days per year, and the local climate swings wildly from years of plentiful rainfall to prolonged drought.
[18] The heavy influence of the El Nixc3xb1o-Southern Oscillation contributes to the canyon's fickle climate.