CXXXVUl 



MEAN METEOROLOGICAL RESULTS 



GENERAL METEOROLOGICAL 



MAGNETICAL OBSERVATORY, 

 Latitude 43° 39' 4" North. Longitude 5h. 17m. 33s. West. Elevation aboTs 



Mean temperature 



Difference from average (31 years) . 

 Thermic anomaly (lat. 43° 40') 



Highest temperature 



Lowest temperature 



Monthly and annual ranges... 



Mean maximum temperature 

 Mean minimum temperature 



Mean daily range 



Greatest daily range 



Mean height of the Barometer 



Difference from average (30 years) ... 



!>' ''&(lf-'- Highest barometer , 



\'< ■' '. Lowest barometer , 



^ Monthly and annual ranges., 



Mean humidity of the air., 



Mean elasticity of aqueous vapour.. 



Mean of cloudiness 



Difference from average (18 years) , 



Jan. 



21.34 

 - 1.80 

 -11.46 



Resultant direction of the wind 



" velocity of the wind 



Mean velocity (miles per hour) 



Difference from average (23 years) , 



Total amount of rain 



Difference from average (31 years) 

 Number of days of rain 



Total amount of snow 



Difference from average (28 years).. 

 Number of days of snow , 



Number of fair days 



Number of auroras observed . . 



Possible to see aurora (No. of nights). 



N\imb«r of thunder storms 



46.4 

 13.2 

 59.6 



28.41 



13.41 



15.00 



34.6 



29.7590 

 + .1173 



30.388 



29.048 



1.340 



24.33 

 + 1.36 

 —10.37 



48.0 

 15.8 

 63.8 



30.36 



17.03 



13.33 



27.0 



29.6311 

 + .0062 



29.5695 

 —.0326 



0.110 



0.80 

 + 0.08 



N. 49 w, 

 2.56 

 9.84 



+ 1.62 



0.864 

 — 0.,376 



43.6 



+27.67 

 23 



30.119 

 28.673 

 1.446 



77 



0.109 



0.71 

 — 0.01 



N. 70 w, 

 4.26 

 9.87 



+ 1.29 



0.040 



—0.883 



3 



23.0 

 + 3.) 

 15 



34.65 



+ 5.13 



5.45 



42.95 

 + 1.88 

 — 7.05 



58.5 

 17.0 

 41.5 



41.42 



28.89 



12.23 



21.5 



?9.969 

 29.074 

 0.895 



0.154 



0.70 

 + 0.08 



54.15 

 + 2.60 

 — 3.95 



72.8 

 26.4 

 46.4 



52.81 



35.57 



17.24 



31.3 



29.4584 

 —.1362 



30.116 

 29.014 

 1.102 



0.71 

 + 0.11 



N. 31 w. N. 48 

 2.59 1 

 8.31 8.85 



— 0.52 + 0.75 



2.782 

 +1.537 



13.0 

 + 0.81 

 12 



11 



Mat. 



85.0 

 32.4 

 52.6 



June. Juit. 



63.67', 71.47 



43.93, 52.17 



19.74| 19.30 



32.2 29.6 



29.6185 29.5431 

 + .05011— .0320 



76.13 

 55.67 

 20.46 



29.5552 

 0406 



29.952 



29.265 



0.687 



0.283 



0.48 

 — 0.08 



3.318 

 + 0.908 

 17 



1.3 

 1.13 



2 



13 



N. 23 w 

 2.53 

 7.70 



+ 1.00 



2.302 



—0.983 



7 



— 0.07 



29.975 

 29.039 

 0.756 



0.382 



0.46 

 — 0.07 



N.80W 

 2.04 

 6.57 



+ 1.42 



3.340 



+ 0.374 



13 



29.842 



29.225 



0.617 



72 



0.422 



0.47 

 — 0.03 



N. 88 w. 

 1.55 

 5.67 



+ 0.71 



1.255 

 —2.058 

 11 



