Climate in the study area according to the ombrothermogram of the nearby Allariz (A) and Aranda de Moncayo (B) meteorological stations. Precipitation information: dotted area, precipitation  <  2 temperature (dry period); striped area, precipitation  >  2 temperature (humid season). Temperature information at bottom: lower black block, period with probable frost (absolute monthly minimum temperature  ≤  0 °C and mean minimum temperature of the coldest month  ≥  0 °C); lower white block, frost-free months, i.e. mean minimum temperature of the coldest month  ≥  0 °C.