>>> import pandas as pd
>>> df = pd.read_csv('meteo.csv', index_col=0)
>>> df.head(4)
     TEMP_MITJ  TEMP_MAX  TEMP_MIN  PRECIPITACIO  V_VENT_MITJ  V_VENT_MAX DIR_VENT
DIA                                                                               
1         24.6      31.6      17.0           0.0          5.5        30.6        E
2         25.3      34.3      16.3           0.0          6.3        35.4       SE
3         26.0      34.8      17.1           0.0          6.6        38.6       SE
4         26.6      35.5      17.8           0.0          6.0        37.0      SSE

>>> df.tail(3)
     TEMP_MITJ  TEMP_MAX  TEMP_MIN  PRECIPITACIO  V_VENT_MITJ  V_VENT_MAX DIR_VENT
DIA                                                                               
29        24.9      34.6      16.2           0.0          4.8        37.0        S
30        25.8      35.3      17.5           0.0          4.3        25.7      SSO
31        25.7      34.8      17.6           0.0          5.6        29.0      ONO

--fi-lectura

--ini-casos

>>> from meteo import var_temp_plujos
>>> var_temp_plujos(df)
17.9

--fi-casos

>>> var_temp_plujos(df.loc[::2])
15.7
>>> var_temp_plujos(df.loc[:10])
10.0
>>> var_temp_plujos(df.loc[20:])
7.5