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Monday, 20 November 2017
  
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Monthly Data


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Monthly values for Valentia_Observatory up to 18-nov-2017
Total rainfall in millimetres for Valentia_Observatory
YearJanFebMarAprMayJunJulAugSepOctNovDecAnnual
2017 167.2 138.7 135.1 51.4 77.8 141.5 108.4 102.8 204.4 162.2 43.8  1333.3
2016 293.8 190.6 104.6 104.0 77.9 108.0 83.3 105.1 182.7 186.4 76.7 103.8 1616.9
2015 199.4 108.1 135.2 54.0 127.6 81.4 120.5 126.0 148.9 96.1 199.9 339.0 1736.1
2014 288.1 292.4 135.2 85.5 115.5 56.0 81.4 73.7 26.5 192.4 202.3 135.4 1684.4
mean 173.8 123.7 123.8 96.7 93.5 95.3 99.0 114.9 125.4 177.1 169.3 164.9 1557.4

Mean temperature in degrees Celsius for Valentia_Observatory
YearJanFebMarAprMayJunJulAugSepOctNovDecAnnual
2017 7.8 8.1 9.4 9.3 12.5 14.1 14.8 14.7 13.3 12.4 9.8  11.6
2016 8.1 6.7 7.5 8.4 12.1 14.5 15.2 15.6 14.4 12.0 7.7 9.2 11.0
2015 7.3 6.3 7.5 10.0 10.5 13.0 14.3 13.8 13.5 11.9 10.8 10.0 10.8
2014 7.4 6.7 7.9 10.4 11.4 14.7 16.3 14.7 15.6 12.3 9.7 8.3 11.3
mean 7.3 7.2 8.1 9.3 11.5 13.6 15.3 15.3 13.9 11.5 9.3 7.8 10.8

Mean 10cm soil temperature for Valentia_Observatory at 0900 UTC
YearJanFebMarAprMayJunJulAugSepOctNovDecAnnual
2017 7.2 7.6 8.6 10.4 13.4 15.4 16.4 15.8 14.2 12.9 n/a  12.2
2016 7.4 6.4 7.0 8.6 13.0 16.0 16.4 15.9 14.7 11.5 7.8 8.2 11.1
2015 6.8 5.8 7.5 10.1 11.9 14.4 15.6 15.2 13.4 11.5 10.5 9.6 11.1
2014 6.4 5.6 7.4 10.4 12.6 15.8 17.3 15.9 15.4 12.4 9.4 7.8 11.4
mean 6.1 6.0 7.2 9.0 12.2 15.0 16.4 15.9 13.9 10.9 8.4 6.7 10.6

Global Solar Radiation in Joules/cm2 for Valentia_Observatory
YearJanFebMarAprMayJunJulAugSepOctNovDecAnnual
2017 7687 12801 25889 43882 53681 47828 45494 40505 29306 14329 6220  327622
2016 5943 14282 27051 44147 54378 51820 44204 38581 24533 18486 11649 5367 340441
2015 7367 13621 28050 50972 50067 51446 46310 43192 32930 18643 8112 4277 354987
2014 7923 12043 28919 40143 50283 63823 48915 47920 35435 17956 10070 5447 368877
mean 7381 13059 25500 41291 53914 53694 50133 43319 30729 17942 8986 5843 351794

Potential Evapotranspiration (mm) for Valentia_Observatory
YearJanFebMarAprMayJunJulAugSepOctNovDecAnnual
2017 17.1 23.7 42.0 59.0 77.0 72.4 72.0 62.3 44.2 26.7 11.3  507.7
2016 21.1 25.5 40.1 60.0 78.9 80.5 69.5 65.5 41.7 35.8 19.1 19.8 557.5
2015 25.1 20.6 38.9 68.8 66.9 73.9 72.5 62.1 53.7 34.7 24.0 24.2 565.4
2014 20.3 25.2 37.2 56.1 68.4 96.0 80.8 76.3 58.7 35.3 21.5 22.6 598.4
mean 19.6 25.4 36.1 55.1 72.7 78.2 74.3 64.0 47.2 29.7 19.9 17.9 540.1

Evaporation (mm) for Valentia_Observatory
YearJanFebMarAprMayJunJulAugSepOctNovDecAnnual
2017 22.5 32.9 60.7 85.1 111.9 108.0 102.5 90.2 63.8 37.4 14.8  729.8
2016 27.6 36.4 58.3 88.5 112.5 115.8 99.7 92.1 58.5 46.7 25.3 24.1 785.5
2015 33.2 29.9 58.4 99.4 104.1 109.6 106.7 90.4 73.6 45.3 31.9 30.8 813.3
2014 27.2 37.2 55.4 82.6 102.4 135.3 112.4 107.8 77.9 46.9 26.8 28.6 840.5
mean 26.1 36.0 53.7 82.4 107.9 114.2 106.5 91.0 66.7 41.0 26.1 22.9 774.5

Degree Days Below 15.5 Degree Celsius for Valentia_Observatory
YearJanFebMarAprMayJunJulAugSepOctNovDecTotal
20172392081911851015938397497N/AN/AN/A
2016228257249214114463124501112341961753
2015255257249172155794761671121411701765
2014251246235153130481842381011742241662
Mean255234228189131703538631261872381795
Note: Evaporation and PE data are calculated using Penman/Monteith formulae.
All means are for the period 1981-2010. Data updated daily at Mid-day.

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