Comparing long-term climate baselines across three decades of continuous tracking at Reigate (2000 to Present).
| Max & Min Temperatures | 2000s | 2010s | 2020s |
|---|---|---|---|
| Average Daily Max | 15.0°C | 15.6°C | 16.7°C |
| Average Daily Min | 6.0°C | 6.8°C | 7.3°C |
| Absolute Historical Records | |||
| Highest Temperature | 36.3°C 19th Jul 2006 |
35.1°C 1st Jul 2015 |
38.6°C 19th Jul 2022 |
| Lowest Temperature | -10.1°C 1st Jan 2002 |
-8.6°C 20th Dec 2010 |
-7.4°C 11th Dec 2022 |
| Diurnal Temperature Spread | 2000s | 2010s | 2020s |
|---|---|---|---|
| Average Day/Night Gap Mean variance inside 24h |
9.0°C | 8.9°C | 9.4°C |
| Diurnal Extremes within Era | |||
| Maximum Single Spread Largest single swing |
24.3°C | 22.7°C | 24.7°C |
| Minimum Single Spread Flatest temperature daily profile |
0.1°C | 0.8°C | 0.7°C |
| Rainfall Totals | 2000s | 2010s | 2020s |
|---|---|---|---|
| Average Annual Rainfall | 818.6 mm | 748.7 mm | 852.3 mm |
| Average Wet Days / Year Days with rain ≥ 0.2mm |
206 days | 168 days | 172 days |
| Extreme Rainfall Events | |||
| Wettest Single Day | 57.2 mm 4th Jul 2000 |
50.8 mm 24th Aug 2015 |
53.0 mm 20th Oct 2021 |
| Milestone Counters (Annual Averages) | 2000s | 2010s | 2020s |
|---|---|---|---|
| Summer Days / Year Max temperature ≥ 25°C |
20.8 days | 38.2 days | 45.4 days |
| Air Frost Days / Year Min temperature ≤ 0°C |
59.2 days | 45.8 days | 36.6 days |
| Torrential Rain Days / Year Days with rain ≥ 20.0mm |
4.4 days | 2.8 days | 8.0 days |