Ben­more Botanic Gar­den weather sum­mary

Argyllshire Advertiser - - LEISURE -

De­cem­ber 2018 High­est max air temp: 12.5ºC on the 28th Low­est max air temp: 2.0ºC on the 24th Av­er­age max air temp: 7.9ºC Low­est min air temp: -1.7ºC on the 24th High­est min air temp: 9.0ºC on the 31st Av­er­age min air temp: 2.9ºC High­est min at grass level: 8.0ºC on the 31st Low­est min at grass level: 4ºC on the 4th Av­er­age min at grass level: 0.6ºC Air min below 0.0ºC on 4 days Grass level min below 0.0ºC on 14 days Hail on 1 day Snow/sleet on 2 days Thun­der on 0 days Gale on 0 days Great­est rain­fall in one day: 34.6mm on the 7th Rain 0.2mm or more on 30 days Rain 1.0mm or more on 25 days Rain 5.0mm or more on 16 days Trace (be­tween 0.0mm & 0.1mm): 0 days To­tal with mea­sur­able rain: 31 days Av­er­age rel­a­tive hu­mid­ity: 90.9% To­tal rain­fall for month: 314.8mm (12.4 inches) To­tal rain­fall for a year: 2403.3mm (94.6 inches) De­cem­ber was fairly mild with the oc­cur­rence of air frost be­ing down by 60% and ground frost down by 22%.

The av­er­age max­i­mum daily air tem­per­a­ture was up by 0.7ºC and the min­i­mum by 1.1ºC.

Rain­fall was around av­er­age for the time of year but with pre­cip­i­ta­tion recorded on ev­ery day it was the most hu­mid month of the year. Year 2018 Tem­per­a­tures High­est max air temp: 30.9°C on June 28 Low­est max air temp: -1.0ºC on Jan­uary 7 High­est min air temp: 16.1°C on July 23 Low­est min air temp: -6.4ºC on Jan­uary 8 High­est min temp at grass level: 16.1°C on Au­gust 3 Low­est min temp at grass level: -13.0ºC on Jan­uary 8 Frost Air frost on 53 days Last air frost on May 1 First air frost on Oc­to­ber 16 Be­tween last and first air frost: 167 days Ground frost on 122 days Last ground frost on June 13 First ground frost on July 7 Be­tween last and first ground frost: ground frost was recorded in ev­ery month Rain­fall To­tal rain­fall for year: 2403.3mm (94.6 inches) Great­est rain­fall in one day 55.6mm on Oc­to­ber 8 0.2mm or more on 260 days 1.0mm or more on 221 days 5.0mm or more on 142 days Mea­sur­able rain on 283 days Av­er­age rel­a­tive hu­mid­ity 83.6% Other phe­nom­ena Gales on 3 days Hail on 9 days Snow or sleet on 21 days Thun­der on 4 days On the face of it 2018 was an av­er­age year weather-wise at Ben­more but delv­ing fur­ther into the de­tail re­veals a more com­pli­cated set of cir­cum­stances. To­tal pre­cip­i­ta­tion for 2018 fell al­most ex­actly on the long-term av­er­age of 2397.0mm (be­ing only 6.3mm above this). This does not show the whole pic­ture, how­ever, with Jan­uary be­ing par­tic­u­larly wet and the pe­riod Septem­ber to De­cem­ber ex­pe­ri­enc­ing above av­er­age rain­fall. The months of Fe­bru­ary, March, May, June and July all recorded below av­er­age pre­cip­i­ta­tion with July show­ing the largest aber­ra­tion with rain­fall down by 35%.

Photo: Great Bri­tish Gar­dens

Ben­more Botanic Gar­den.

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