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Monthly Weather Events - Ballyhaise

Weather events for BALLYHAISE 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 5 1 1 1 1 1 3 3 0
2017 0 2 1 0 2 2 4 1 2 3 1 5
2016 1 2 1 2 n/a 3 2 1 2 1 2 3
2015 4 2 2 3 4 0 5 3 0 2 3 8

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 1 0 0 0 0 0 0 0 1
2017 0 0 0 0 0 0 0 0 0 0 0 0
2016 0 0 0 0 0 0 0 0 0 0 0 0
2015 0 0 0 0 0 0 0 0 0 0 0 0

Number of days with Minimum Temperature < 0 deg. C

Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2018 8 14 12 4 0 0 0 0 0
2017 9 8 2 0 0 0 0 0 0 0 2 9
2016 7 8 7 4 0 0 0 0 0 1 10 6
2015 11 7 9 6 0 0 0 0 0 1 2 2

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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