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Monthly Weather Events - Dunsany

Weather events for DUNSANY up to 28-Feb-2021

Number of days with Rainfall > 10mm.

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

Number of days with Minimum Temperature < 0 deg. C

Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2021 14 5 n/a n/a n/a n/a n/a n/a n/a
2020 3 2 8 3 3 0 0 0 1 0 0 11
2019 10 4 1 2 1 0 0 0 0 3 5 8
2018 5 14 12 4 n/a n/a 0 0 0 5 2 1

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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