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Monthly Weather Events - Ballyhaise

Weather events for BALLYHAISE up to 31-Aug-2020

Number of days with Rainfall > 10mm.

Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2020 1 8 2 1 0 2 3 5 n/a
2019 0 0 4 2 0 3 2 5 4 2 3 1
2018 5 1 1 1 1 1 3 3 0 2 2 1
2017 0 2 1 0 2 2 4 1 2 3 1 5

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
2020 0 0 0 0 0 0 0 1 n/a
2019 0 0 0 0 0 0 0 0 0 0 0 0
2018 1 0 0 0 0 0 0 0 1 0 0 0
2017 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
2020 3 3 6 4 1 0 0 0 n/a
2019 10 5 1 0 1 0 0 0 0 4 5 5
2018 8 14 12 4 0 0 0 0 0 5 4 0
2017 9 8 2 0 0 0 0 0 0 0 2 9

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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