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Monthly Weather Events - Valentia

Weather events for VALENTIA OBSERVATORY up to 30-Sep-2018

Number of days with Rainfall > 10mm.

Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2018 8 3 3 7 4 1 1 3 3
2017 6 3 2 2 1 6 3 3 7 5 2 7
2016 10 7 4 2 2 2 1 4 7 3 2 3
2015 7 3 5 2 4 3 3 4 4 4 7 13

Number of days with a maximum 10-min. mean wind speed >= 15m/s

Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2018 8 5 1 0 0 1 0 0 1
2017 0 2 4 0 0 0 0 0 2 2 1 6
2016 4 3 2 0 0 0 0 0 0 0 1 1
2015 11 6 6 1 0 1 0 1 0 0 9 11

Number of days with Minimum Temperature < 0 deg. C

Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2018 2 3 8 0 0 0 0 0 0
2017 2 0 0 0 0 0 0 0 0 0 1 0
2016 0 1 1 0 0 0 0 0 0 0 4 1
2015 1 4 1 0 0 0 0 0 0 0 0 0

An objective and measurable approach was adopted in relation to what is considered to be a weather event which could trigger a delay event, i.e. the contractor gets additional time. A delay event is triggered when a weather event exceeds a defined threshold (90th percentile) value in any given month.

Weather events are:

  • Number of days per month with a rainfall amount > 10mm.
  • Number of days per month with a maximum 10-min. mean wind speed >=15m/s.
  • Number of days per month with a minimum temperature < 0 deg. C.

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