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Monthly Weather Events - Sherkin Island

Weather events for SherkinIsland 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 5 6 0 0 6 0 1 n/a n/a
2020 4 7 0 1 1 2 3 5 3 5 4 6
2019 1 1 3 3 0 1 0 4 3 5 4 4
2018 5 1 4 5 3 0 1 1 3 2 7 6

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 4 15 7 0 4 0 0 n/a n/a
2020 14 23 7 1 4 2 0 5 4 9 9 12
2019 6 10 13 4 0 1 0 4 2 6 8 14
2018 14 10 4 5 2 2 0 0 1 2 9 11

Number of days with Minimum Temperature < 0 deg. C

Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2021 5 0 0 0 0 0 0 n/a n/a
2020 0 0 0 0 0 0 0 0 0 0 0 0
2019 0 0 0 0 0 0 0 0 0 0 0 0
2018 0 2 4 0 0 0 0 0 0 0 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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