The instruments were hanged in the shade oriented to the south, in the wall of a room where never lit fire. The thermometer is 1,5m above the ground and 10m above the sea level, exposed to the air circulation, but shield of the sun and atmospheric waters.The French barometer is a siphon one with the scale in mm. It has a centigrade thermometer of mercury. The English barometer has the scale in English inches and each one subdivided in 10 parts. It has a thermometer in Fahrenheit with divisions of two grades.The aneroid (in a box of bronze with glass) is divided in millimeters, has a mercury thermometer in centigrade.The free centigrade thermometer is from 22 October a mercurial thermometer with a paper scale in a tube of glass. Before this date the thermometer was of wine with a wood scale.The free Fahrenheit thermometer is of mercury and has the scale of wood with divisions of 2ºF.All the thermometers (except the Fahrenheit) have division so large that is possible observe with exactitude the quarters of grade. But the Fahrenheit only permits observe the half divisions this is one grade.The bronze rain gauge is fixed to a stick in the center of a patio, it is 10 m distant to the roof few elevated that enclose the patio. It is a 2.3m above the ground. The recipient has an opening of one square decimeter and is connected to the receptacle by a narrow funnel. The cylindrical glass has divisions of two cubic centimeters, that correspond with two tenth of mm of water, with some practice it is possible distinguish the half divisions (0.01m3), that's correspond to 0.001m.The weather-vane is located in the top of the house without any hill or objet that can modify the free action of wind. Mark only the four cardinal winds. Located in the meridian of the place, shows the astronomical direction none the compass, the different here is 23º30'to the east of the true north.For the wind force the expression used from greater to lower are: tempestuoso, mui recio, recio, freco, fresquito, lento, mui lento, calma.The state of the sky is described in the following terms: hermoso when the sky is completely clear o with insignificant clouds close to the horizon; celajado when the sky is largely cover by clouds but the sun can be seen between them. nublado when the sky is completely covered; lloviendo when it is raining; nevando when it is snowing; granizando when it is hailing.---The data of this dataset might have been revised during the review process. This might therefore be an old version. To be sure, please check the respective dataset at doi:10.1594/PANGAEA.871480