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Monthly Weather Events - Knock

Weather events for KNOCK AIRPORT up to 31-May-2019

Number of days with Rainfall > 10mm.

Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2019 1 3 7 3 3 n/a n/a n/a n/a
2018 6 2 0 4 3 2 2 4 2 2 7 5
2017 1 2 5 0 2 4 4 3 4 4 4 6
2016 5 6 3 1 3 3 2 3 1 2 2 2

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
2019 2 3 6 2 0 n/a n/a n/a n/a
2018 6 0 0 3 0 2 0 0 1 1 1 2
2017 2 1 1 0 0 0 0 0 0 2 0 3
2016 2 3 3 2 0 0 0 0 0 0 0 1

Number of days with Minimum Temperature < 0 deg. C

Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2019 7 3 1 1 0 n/a n/a n/a n/a
2018 7 14 11 1 0 0 0 0 0 0 0 0
2017 7 8 2 0 0 0 0 0 0 0 1 8
2016 7 7 5 2 0 0 0 0 0 0 4 3

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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