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Monthly Weather Events - Dublin Airport

Weather events for DUBLIN AIRPORT up to 31-Jul-2021

Number of days with Rainfall > 10mm.

Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2021 3 1 0 0 2 0 2 n/a n/a
2020 0 3 0 0 0 1 4 3 2 3 0 3
2019 0 1 3 2 1 3 1 3 3 1 7 2
2018 3 0 2 1 0 0 2 1 1 1 6 3

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
2021 1 1 1 0 0 0 0 n/a n/a
2020 0 1 1 0 1 0 0 0 0 1 0 0
2019 2 2 4 1 0 0 0 0 1 1 0 3
2018 9 1 3 0 0 1 0 0 2 0 1 1

Number of days with Minimum Temperature < 0 deg. C

Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2021 12 3 5 19 2 0 0 n/a n/a
2020 2 2 9 6 4 0 0 0 0 0 1 9
2019 9 9 2 4 1 0 0 0 0 2 4 7
2018 9 14 11 5 0 0 0 0 0 5 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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