Monthly Weather Events - Gurteen

Weather events for GURTEEN up to 30-Apr-2023

Number of days with Rainfall > 10mm.

Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2023 2 0 3 1 n/a n/a n/a n/a n/a
2022 0 4 2 1 1 3 1 0 5 6 2 3
2021 3 3 2 0 2 0 3 1 0 1 0 3
2020 0 9 1 2 0 1 4 5 1 3 1 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
2023 1 0 0 1 n/a n/a n/a n/a n/a
2022 0 4 1 1 0 0 0 0 0 0 1 0
2021 0 5 1 0 0 0 0 0 0 0 0 2
2020 1 6 0 0 0 0 0 2 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
2023 7 6 4 2 n/a n/a n/a n/a n/a
2022 4 3 9 6 0 0 0 0 0 0 1 11
2021 15 4 3 10 3 0 0 0 0 0 5 0
2020 3 1 10 1 3 0 0 0 1 0 1 10

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.