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Monthly Weather Events - Athenry

Weather events for ATHENRY up to 31-Aug-2021

Number of days with Rainfall > 10mm.

Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2021 7 7 2 0 4 0 0 2 n/a n/a
2020 4 10 3 1 1 1 9 4 4 5 6 5
2019 2 1 6 2 1 2 2 11 7 2 5 6
2018 5 1 1 0 1 0 3 3 3 2 2 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 0 0 0 0 0 0 0 0 n/a n/a
2020 0 1 0 0 1 0 0 1 0 0 0 0
2019 0 0 0 0 0 0 0 0 0 0 0 1
2018 1 0 0 0 0 1 0 0 1 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
2021 15 5 1 7 4 0 0 0 n/a n/a
2020 5 3 9 3 2 0 0 0 1 0 4 8
2019 7 2 1 1 2 0 0 0 0 3 6 7
2018 7 14 16 3 0 0 0 0 1 4 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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