148 TRANSACTIONS OF ROYAL SCOTTISH ARBORICULTURAL SOCIETY. 



perature was slightly below the average over the country 

 generally, being above the normal in the south, but below the 

 mean to the north of the Forth. The greatest cold was found 

 in the vicinity of the Pentland Firth, where the deficit, as 

 compared with the normal, amounted to two degrees. The 

 highest mean temperature, 40° -6, was recorded at Airds, in the 

 county of Argyll, while the lowest, 31°-9, was registered at the 

 hill station of Braemar, 1114 feet above sea-level. Rainfall, 

 taking the country as a whole, was 29 per cent, above the 

 average, the distribution over the country being very irregular. 

 The fall in Caithness was more than double the normal, but in 

 the north-west there was a considerable deficiency. Bright 

 sunshine was in fair accordance with the normal, the percentage 

 of the possible ranging from 8 per cent, at Glasgow to 24 per 

 cent, at Aberdeen. 



February 1899. — During the first half of the month unsettled 

 weather prevailed, especially in the western districts, where 

 strong winds and heavy rains were reported. After the middle 

 of the month more tranquil conditions were experienced, with 

 hard frost in many localities. The mean temperature was 38 0, 5, 

 being the average, and was highest, 42° -6, at Airds, and lowest, 

 34°-7, at Braemar, showing a range of 7 0, 9 in the means over 

 the country. The distribution of the temperature was very 

 unusual, being slightly below the average along the valley of the 

 Caledonian Canal, and in the counties of Forfar, Perth, and 

 Dumbarton. There was an excess in the vicinity of Peterhead, 

 and at a few stations on the w r est coast. The rainfall was 

 slightly under the average over the country generally. There 

 was an excess in the counties of Forfar, Fife and Perth being- 

 greatest, 73 per cent, above the average at Lednathie. Less 

 than a third of the normal fell over large areas, the greatest 

 deficiency being 81 per cent, at Glencarron. Bright sunshine 

 was in excess of the average, the greatest percentage of the 

 possible, 34 per cent., being recorded at Marchmont, and the 

 least, 14 per cent., at Glasgow. 



March 1899. — During the first half of the month the weather was 

 on the whole fair and settled, but thereafter inclement conditions 

 set in, with cold northerly winds, severe frost, and heavy falls 

 of snow. The mean temperature was 40° "2, being nearly a degree 

 in excess of the average, the highest being 42° # 2 at Leith, and the 

 lowest, 36 0, 5, at Braemar. Temperature was a little below the 

 average in Shetland, but was very generally above the normal in 



