240 
GENERAL 
METEOROLOGICAL 
Provincial Magnetical Observatory, 
LATITUDE, 43° 39'.4 North. 
LONGITUDE, 5 h.17 m. 83s. West. HLEVATION ABOVE 
Jan Feb. |March.| April. | May. 
fe) fo} fo} fo} fo} 
MieantRemmperattnes ses itais. ecaheneeceen mea esetnanenne acter eine, 26.44) 26.04) 86.34) 39.53) 55.16 
Difference from average (20 years) .........ccceeseeees + 2.72|+ 3.21|+ 6.27|— 1-47|+ 3.78 
Thermic Anomaiy (Lat. 48° 40’ N.) ....c..cssescseeesene — 6.36|/— 8.66|/— 3.76|/—10.67|— 2.94 
HG Shes DE MpCLALUNe ws eee ents erane nde ere eco ecees 43.2 | 46.2) 54.2 | 64.8 | 79.6 
Lowest MemaperaiGurehietee. dsthee ne teaencue ces hace anes —26.5 2.1 9.8 22.6 39.5 
Monthly and Annual Ranges ......c.csssesscsensonenee 69.7 | 44.1) 44.4] 42.2 | 40.1 
Mean Maximum Temperature............... 30.46} 31.85]. 42.10} 46.54) 638.40 
Mean Minimum Temperature ... 18.55] 19.71] 30.48] 32.92] 47.13 
Mean ally. Rea re Pa sieae siete ccalen oo ak dene wseeh ceeuneesieay 11.91} 12.15} 11.62} 18.62) 16.26 
(Gnusenitetsind Duby Lee Wales) Sascodbodsocuroceocsonodenacanne Sessa 39.8 | 21.9 | 20.9 | 27.2 | 25.4 
Mean Height of Barometer ........c0..-seseccosscnseesecseenes 29.6770|29.6321|29.4125|/29.5350/29.6598 
Difference from average (12 years) aie sbdeddlsbtadess + .0472| + .0196|— 2189|—.0721| + .0763 
Highest Barometer ............008 Secetouneatesbi ree daber es 30.311] 30.002] 30.255] 30.046] 29.986 
Lowest Barometer .......... 28.934| 28.877] 28.286] 28.993] 29.224 
Monthly and Annual Ranges ..........cccseccessoveenes 1.377| 1.125] 1.969) 1.053) 0.762 
ge { | | 
Mean Humidity of the Air ........esccessssseeveeee Seances: -81 79 | 75 -63 67 
a | | 
Mean Elasticity of Aqueous Vapour ....... scascvaoneedeaa eee -126 ollslr/ | 154 - 298 
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Micamofi Cloudiness soe e see tere eee eee ani ceatee 0.72 | 0.74} 0.65 | 0.59 | 0.41 
Resultant Direction of the Wind ....... WN 54 w|/N 64 w/N 86 w/N 72 E 
Resultant Velocity of the Wind , 2.72 1.96 2.33 bg) 
Mean Velocity (Miles per hour) ...... 8.50 | 10.39 | 10.79 5.70 
Difference from average (12 years) +0.69 |+2.28 |+3.21 |—0.66 
Total Amount of Rain (im inches) ........0.....0cceceeeeeees | 1.449} 0. 1s 4.054) 2.527) 3.410 
Difference from average (19 and 20 years)............ —0.031/—0.588) +2.501| +0.035| +0.105 
Number of Days Bane ana Tee a ene 6 6 15 9 11 
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Total Amount of Snow (in inches)..........ssssscesseconeees 16.4 | 8.3 1.0 1:2 | 0.0 
Difference from average (17 years) ........ ae : : -25 |—1.18 |—0.08 
Number of Days SHOW Loe ee nn 8 0 
5 | 
Number of Fair Days ..... ncoacdod RiestaceeMe Careers weoateeescese 10 9 10 15 20 
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Number of Auroras ObServed .......scccccoccacsoccensceeeees 0 3 8 7 4 
Possible to see Aurora (No. of Nights) .....0....... 18 11 17 17 22 
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Numbers ot Dhanderstornsijeneesccecseherstiemecrsonrecne 0 1 | 2 0 5 
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