244 MEAN METEOROLOGICAL RESULTS AT TORONTO, 
GENERAL METEOROLOGICAL 
Provincial Magnetical Obsero 
LATITUDE, 48° 39' 4" North; LongiruDgz, 5h. 17m. 33s. West.—Blevation above 
JAN. | Fes. | Man.| Apr. | May | Jun. | Jun. 
ic 
Mean temperature .....cessssssssessseoees 2i.71| 22.50] 98.79] 39.56| 52.17/ 60.52. 66.70 
Difference from average (22 years)...;— 1.82/— 0.48/— 1.34|— 1.42/4+ 0.78/— 0.84|— 0.15 
Thermic anomaly (Lat. 43° 40' N.)...|—11.09|/—12.20|—11.31]—10.64|— 5.93]— ec 2.00 
Highest temperature .......c....cc00-c00s 44.5 | 387.8 | 43.2] 68.0] 78.5 | 85.4 | 95.5 
Lowest temperature .........-0..0.00c0es — 2.6 |— 5.2 8.0 | 14.5 | 82.4] 39.4] 48.2 
Monthly and annual ranges............ 47.1 | 43.0 | 35.2] 53-5 | 46.1] 46.0 | 47.8 
Mean maximum temperature ......... 27.58) 28.25) 34.64) 46.34) 61.43] 69.12] 76.42 
Mean minimum temperature ......... 15.03} 15.41} 28.12] 33.43) 42.01} 50.97] 58.14 
Mean daily range .........s0sscssssccssssees 12.55! 12.84] 11.52] 12.91) 19.43} 18:14) 18.28 
Greatest daily range .......ccccscessses 25.8 | 30.0 | 23.6 | 23.5 | 387.0 | 381.8] $1.9 
Mean height of barometer ............... 29.'7274129.6077|29.5036|29.7258|29.5895|29. 5642129. 5474 
Difference from average (18 years)...|+ .0940/—.0045/—. 0787+. 1388] + .0049] + .0018|—. 0540 
Highest barometer ...............0.c.00000 30.300 130.188 |29.828 130.117 |29.942 130.109 |29.957 
Lowest barometer .........s.cccceeeceeees 28.965 |29.011 |28.805 |29.076 |29.238 |29.163 |29.196 
Monthly and annual ranges ............ 1.335 | 1.127 |' 1.023 | 1.041 | 0.704 | 0.946 | 0.761 
Mean humidity of the air ...............06 | 81 | 84 82 | 73 | -65 | -66 | 72 
| 284 | | 
Mean elasticity of aqueous vapour...... 103 -107 182 | -184 253 846 
Mean of cloudiness ..............0s000000000- 73 .78 63 65 45 .60 56 
Difference from average (10 years)...|+.02 |+.07 |+.04 
Resultant direction of the wind......... N 26 w|N 55 W|N 12 WIN 50 BIN 52 WIN 26 wis 89 w 
Gi velocity of the wind ......... 2.69 | 3.93} 2.50] 2.48} 2.80] 1.77 | 1.42 
Mean velocity (miles per hour) ......... 8:83 | 8.52] 9.38 | 9.77 | 7.87} 5-98} 5.80 
Difference from average (14 years)...|+0.97 |+0.44 |+0.78 |+1.90 |+1.25 |+0.71 |+0.89 
Total amount of rain ..............-c0e000s+ 0.115} 0.180) 2.560) 2.285) 1.427) 1.0071 5.344 
Difference from average (21 & 22 yrs )|—1. ae —0,866|+1.012)/—0.163|—1.814]—2.093} +1.854 
Number of days rain ..........-.ssssee0- 3 8 10 8 10 15 
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Total amount of SNOW............cc0seee0.0e. 27.4 | 23.1 | 18.5 0.2 0.0 a eee 
Difference from average (19 years)... +13.77|+ 5.07|+ 9.73|— 2.31/— 0.10) ... ae 
Number of days Snow..........ssccssseees 19 17 11 4 (1) hoe act 
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Number Of fair dayS .......cccccccsscsssees | 10 | 10 16 17 23 20 16 
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Number of auroras observed. ......050. | 4 | 1 | 2 5 | 5 2 | 6 
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Possible to see aurora (No. of nights) | 11 | 10 | 13 | 16 | 20 17 20 
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Number of thunderstorms ...............- | 0 | 0 | 0 | 1 | 1 | 3 | 8 
