Daily rainfall, frost and wind for Cambridge against the 10-year average — the starting point for any weather delay conversation on site.
Weather delay record
CB2 3QJ · 1 Sept 2024 – 30 Sept 2024
Rainfall over this period was 211% of the 10-year average for the same calendar window at this location. Conditions were materially wetter than typical for the time of year.
Rainfall vs 10-yr avg
211%
130 mm vs 62 mm typical
Rain days >5mm
8
typical: 3.5
Frost days
0
typical: 0.0
High-wind days
0
gusts ≥ 47 mph
Daily record
| Date | Rain (mm) | Min °C | Max °C | Gust (mph) | Flags |
|---|---|---|---|---|---|
| 1 Sept 2024 | 0.8 | 15.2 | 27.6 | 19 | |
| 2 Sept 2024 | 2.0 | 18.1 | 23.0 | 27 | |
| 3 Sept 2024 | 3.3 | 15.9 | 21.5 | 22 | |
| 4 Sept 2024 | 0.3 | 12.5 | 17.7 | 17 | |
| 5 Sept 2024 | 1.2 | 12.6 | 21.8 | 38 | |
| 6 Sept 2024 | 1.4 | 15.7 | 27.0 | 20 | |
| 7 Sept 2024 | 0.2 | 15.0 | 23.7 | 11 | |
| 8 Sept 2024 | 4.5 | 13.7 | 20.3 | 21 | |
| 9 Sept 2024 | 0.3 | 11.6 | 16.5 | 25 | |
| 10 Sept 2024 | 5.2 | 10.3 | 18.7 | 37 | wet |
| 11 Sept 2024 | 0.6 | 7.9 | 14.6 | 35 | |
| 12 Sept 2024 | 0.3 | 6.7 | 14.6 | 22 | |
| 13 Sept 2024 | 0.0 | 5.3 | 15.5 | 15 | |
| 14 Sept 2024 | 0.0 | 6.0 | 18.5 | 20 | |
| 15 Sept 2024 | 1.9 | 9.2 | 19.3 | 23 | |
| 16 Sept 2024 | 0.0 | 9.6 | 19.2 | 18 | |
| 17 Sept 2024 | 0.0 | 7.9 | 19.8 | 21 | |
| 18 Sept 2024 | 0.0 | 12.0 | 22.3 | 24 | |
| 19 Sept 2024 | 0.0 | 13.8 | 23.3 | 27 | |
| 20 Sept 2024 | 0.4 | 13.1 | 22.8 | 28 | |
| 21 Sept 2024 | 3.6 | 14.2 | 23.7 | 21 | |
| 22 Sept 2024 | 15.9 | 15.0 | 21.5 | 21 | wet |
| 23 Sept 2024 | 14.7 | 14.5 | 18.2 | 30 | wet |
| 24 Sept 2024 | 9.8 | 11.7 | 16.5 | 23 | wet |
| 25 Sept 2024 | 9.4 | 9.3 | 16.7 | 19 | wet |
| 26 Sept 2024 | 27.4 | 11.6 | 17.8 | 27 | wet |
| 27 Sept 2024 | 9.3 | 6.9 | 12.8 | 37 | wet |
| 28 Sept 2024 | 0.0 | 4.5 | 13.6 | 21 | |
| 29 Sept 2024 | 2.0 | 6.3 | 14.5 | 38 | |
| 30 Sept 2024 | 15.8 | 11.6 | 17.3 | 36 | wet |
8 days with rainfall over 5 mm in this period.
Data: ERA5 reanalysis via Open-Meteo, taken at the nearest model grid point to the postcode — not a Met Office station record. Baselines are the mean of the same calendar months over the previous 10 years at this location. Whether conditions meet a contractual test (e.g. JCT “exceptionally adverse weather” or an NEC 1-in-10-year event) is a matter for the contract — this is a factual weather record, not advice.
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