| Jan | Feb | Mar | April | May | June | July | August | September | October | November | December | |||||||||||||
| Air Temperatures (C) | ||||||||||||||||||||||||
| The Highest Maximum: | 12.8 | 11th | 11.7 | 15th | 16.5 | 30th | 16.5 | 25th | 26.8 | 4th | 30.4 | 12th | 35.5 | 19th | 27.5 | 6th | 29.3 | 11th | 21 | 10th | 16 | 13th | 13.6 | 29th |
| The Lowest Maximum: | 1.7 | 24th | -1.3 | 2nd | 3.5 | 12th,16th | 8.4 | 4th | 12.6 | 1st | 17 | 14th | 20.1 | 7th | 18 | 13th,29th | 17.4 | 22nd | 11.7 | 23rd | 8.4 | 21st | 0.6 | 22nd |
| The Highest Minimum: | 6 | 11th | 5.6 | 15th | 8.9 | 31st | 9.4 | 20th | 12.6 | 27th | 16.2 | 12th | 19.8 | 20th | 16.3 | 7th | 16.3 | 14th | 13.9 | 11th | 10.1 | 28th | 10 | 14th |
| The Lowest Minimum: | -3.8 | 25th | -3.3 | 2nd | -6.4 | 3rd | -2.8 | 5th | 2.5 | 2nd | 5.3 | 1st | 9.6 | 14th,15th | 8.4 | 25th | 7.5 | 8th | 5.2 | 27th | -1.1 | 2nd | -2.3 | 22nd |
| The Mean Maximum: | 6.5 | 6.6 | 8.4 | 13.3 | 17.1 | 22.9 | 26.8 | 20.8 | 22.2 | 16.7 | 11.7 | 8.7 | ||||||||||||
| The Mean Minimum: | 1.7 | 0.9 | 1.4 | 4.8 | 8.4 | 11.1 | 14.4 | 12.1 | 13 | 9.5 | 4.2 | 3.6 | ||||||||||||
| The Overall Mean: | 4.1 | 3.8 | 4.9 | 9.1 | 12.8 | 17 | 20.6 | 16.5 | 17.6 | 13.1 | 7.9 | 6.2 | ||||||||||||
| Difference from the Monthly Mean: | -0.3 | -0.9 | -2.6 | 0 | 0.3 | 2 | 3.3 | -0.1 | 3.6 | 2.8 | 1 | 0.7 | ||||||||||||
| Relative Humidity (%) | ||||||||||||||||||||||||
| Highest Relative Humidity (at 0900): | 100 | 7th,22nd | 100 | 18th,19th | 97.3 | 8th | 97.4 | 15th | 95.4 | 7th | 98.1 | 23rd | 96.2 | 6th | 97.7 | 13th | 99 | 24th | 100 | 18th | 98.6 | 6th | 100 | 20th |
| Lowest Relative Humidity (at 0900): | 73.6 | 25th | 73.6 | 25th | 57.7 | 23rd | 46.6 | 5th | 44.6 | 12th | 51.9 | 30th | 30.7 | 19th | 59.9 | 8th | 66.5 | 21st | 76.1 | 31st | 83.8 | 2nd | 80.1 | 5th |
| Mean Relative Humidity (at 0900): | 92.9 | 90.2 | 82 | 80.3 | 78.2 | 71.6 | 68.1 | 81.5 | 85.4 | 91.2 | 91.7 | 92.1 | ||||||||||||
| Dew Point (C) | ||||||||||||||||||||||||
| The Highest Dew Point (at 0900): | 8.9 | 19th | 7.7 | 13th | 10.3 | 27th | 10.7 | 21st | 15 | 4th | 17.4 | 12th | 20.1 | 27th | 17.6 | 6th | 18.2 | 14th | 15.9 | 9th | 11.6 | 13th | 11.2 | 11th |
| The Lowest Dew Point (at 0900): | -3.1 | 24th | -4.5 | 2nd | -5 | 3rd | -5.1 | 5th | 4.5 | 31st | 7.3 | 21st | 9.8 | 8th | 10.5 | 15th | 9.9 | 8th | 7.1 | 31st | -0.5 | 2nd | -2.3 | 22nd |
| The Mean Dew Point (at 0900): | 3 | 1.3 | 1.2 | 5.9 | 9.6 | 12.4 | 15.1 | 13.4 | 14.3 | 11.5 | 5.8 | 4.7 | ||||||||||||
| Rainfall | ||||||||||||||||||||||||
| Total (mm) | 17.7 | 33 | 42 | 39.4 | 80.9 | 4.9 | 73.7 | 73.2 | 49.5 | 70 | 75.5 | 64.3 | ||||||||||||
| Difference from the Monthly Mean (%) | 33.8 | 87.5 | 93.3 | 75 | 162.4 | 8.6 | 153.9 | 150.3 | 87.3 | 127 | 141.6 | 102.2 | ||||||||||||
| Duration (hrs) | 23.3 | 42.6 | 42.1 | 38 | 59.8 | 4.9 | 16.4 | 38.3 | 22.9 | 33.6 | 52.1 | 41 | ||||||||||||
| Highest 24 hour fall (from 0900,mm): | 5.1 | 16th | 7.5 | 14th | 10.1 | 7th | 12.5 | 9th | 10.7 | 8th | 2.6 | 13th | 20.6 | 22nd | 12.3 | 17th,18th | 15.3 | 22nd | 23.2 | 11th | 17.8 | 22nd | 8.6 | 30th |
| Rain Days (>/=0.2mm): | 13 | 12 | 18 | 17 | 19 | 3 | 12 | 19 | 13 | 14 | 17 | 15 | ||||||||||||
| Wet Days (>/=1.0mm): | 7 | 7 | 12 | 10 | 16 | 2 | 7 | 14 | 9 | 10 | 14 | 13 | ||||||||||||
| Sunshine (hrs) | ||||||||||||||||||||||||
| Total Duration of Bright Sunshine: | 39.9 | 71.3 | 72 | 131.8 | 177.7 | 216.8 | 278 | 175.6 | 151.9 | 75.1 | 80.1 | 31.9 | ||||||||||||
| Sunniest day: | 6.3 | 26th | 7.9 | 28th | 8.3 | 1st | 10.1 | 5th | 12.7 | 10th | 12.9 | 10th | 15.5 | 18th | 9.9 | 22nd | 9.4 | 3rd | 8.7 | 29th | 6.5 | 4.3 | 17th | |
| Sunless days: | 15 | 12 | 5 | 2 | 3 | 0 | 0 | 0 | 2 | 6 | 4 | 15 | ||||||||||||
| Cloud cover (mean at 0900, oktas): | 7 | 6.4 | 5.8 | 5.2 | 5.9 | 4.5 | 3.8 | 6.4 | 5.8 | 6.2 | 4.1 | 6.3 | ||||||||||||
| Pressure | ||||||||||||||||||||||||
| The Highest Pressure: | 1037.9 | 22nd | 1033.6 | 5th | 1031.3 | 12th | 1027.6 | 28th | 1026.3 | 31st | 1031.2 | 2nd | 1031.9 | 14th | 1024.3 | 8th | 1032.7 | 8th | 1031.8 | 13th | 1035.7 | 2nd | 1044.4 | 22nd |
| The Lowest Pressure: | 1000.6 | 1st | 983.8 | 17th | 990.3 | 24th | 1003.1 | 2nd | 985 | 22nd | 1008 | 19th | 1007 | 9th | 1000.3 | 17th | 1001.9 | 14th | 987.6 | 20th | 980.4 | 23rd | 983.7 | 8th |
| Mean Pressure (recorded at 0900): | 1023.3 | 1016.4 | 1010 | 1015 | 1012.7 | 1020.9 | 1018.2 | 1012.5 | 1012.9 | 1009.4 | 1013.1 | 1018.4 | ||||||||||||
| Winds | ||||||||||||||||||||||||
| Run of wind (mean over 24 hrs, miles): | 120 | 141.5 | 158.9 | 120 | 104.6 | 73.6 | 82 | 108.3 | 82.6 | 106.8 | 154.9 | 168.7 | ||||||||||||
| Mean daily wind speed (mph) | 6.5 | 7.7 | 8.6 | 6.5 | 5.7 | 4 | 4.4 | 5.9 | 4.5 | 5.8 | 8.4 | 9.1 | ||||||||||||
| Run of wind (monthly, miles): | 3721.4 | 3961 | 4925 | 3599.9 | 3242 | 2206.59 | 2541.15 | 3356.2 | 2478.9 | 3311.2 | 4645.8 | 5229.2 | ||||||||||||
| Highest Maximum Gust (mph) | 40 | 10th | 47 | 25th | 40 | 27th | 35 | 2nd | 35 | 19th,29th | 31 | 21st | 37 | 22nd | 36 | 12th,13th | 34 | 2nd | 35 | 31st | 43 | 55 | 29th | |
| Other gusts 50mph or more: | ||||||||||||||||||||||||
| Highest wind strength (at 0900,mph): | 18.4 | 10th | 26.5 | 25th | 21.9 | 27th | 19.6 | 2nd | 16.1 | 19th | 12.7 | 1st | 11.5 | 15th | 21.9 | 11.5 | 13.8 | 23.1 | 25th | 27.7 | 5th | |||
| Mean wind strength (at 0900,mph): | 6.9 | 8.1 | 9.7 | 8.9 | 7.1 | 3.7 | 4.4 | 8.6 | 5.2 | 6.5 | 9.3 | 9.1 | ||||||||||||
| Winds from the Following Directions: | ||||||||||||||||||||||||
| N | 8 | 8 | 1 | 4 | 6 | 8 | 4 | 7 | 4 | 2 | 1 | 0 | ||||||||||||
| NE | 2 | 4 | 5 | 2 | 0 | 3 | 5 | 0 | 1 | 2 | 0 | 2 | ||||||||||||
| E | 4 | 1 | 3 | 1 | 3 | 1 | 3 | 0 | 2 | 3 | 0 | 2 | ||||||||||||
| SE | 2 | 0 | 3 | 0 | 0 | 5 | 1 | 1 | 3 | 3 | 1 | 1 | ||||||||||||
| S | 5 | 2 | 7 | 4 | 6 | 2 | 4 | 3 | 9 | 12 | 9 | 9 | ||||||||||||
| SW | 3 | 4 | 3 | 3 | 7 | 3 | 3 | 2 | 6 | 5 | 9 | 11 | ||||||||||||
| W | 1 | 1 | 1 | 2 | 4 | 2 | 3 | 6 | 2 | 1 | 3 | 3 | ||||||||||||
| NW | 4 | 6 | 7 | 12 | 3 | 5 | 4 | 11 | 1 | 3 | 6 | 2 | ||||||||||||
| Calm | 2 | 2 | 1 | 2 | 2 | 1 | 4 | 1 | 2 | 0 | 1 | 1 | ||||||||||||
| Ground Temperatures (C) | ||||||||||||||||||||||||
| Lowest Grass Minimum: | -8.5 | 25th | -7.5 | 10th | -9.6 | 4th | -5.2 | 5th | -1 | 2nd | 2.6 | 1st | 6.1 | 15th | 4.4 | 25th | 3.9 | 8th | 0.6 | 27th | -5.3 | 2nd | -5.1 | 10th |
| Mean Grass Minimum: | -1.9 | -2 | -1.9 | 1.1 | 5.8 | 8.3 | 11.3 | 9.2 | 10.2 | 5.9 | 0 | 0.4 | ||||||||||||
| Lowest Concrete Minimum: | -4 | 25th | -3.4 | 11th | -5.5 | 23rd | -1.5 | 5th | 5.4 | 31st | 6.7 | 1st | 8.9 | 19th | 7.4 | 25th | 6.5 | 8th | 3.2 | 27th | -2.2 | 2nd | -2.5 | 10th |
| Mean Concrete Minimum: | 1.3 | 0.5 | 1 | 5.1 | 9.2 | 11.5 | 13.3 | 11.1 | 11.8 | 7.8 | 1.8 | 1.8 | ||||||||||||
| Lowest Bare Earth Minimum: | -2.5 | 28th | -3 | 11th | -5.5 | 7th | -1.2 | 5th | 3.9 | 2nd | 6.1 | 1st | 9 | 22nd | 8.7 | 25th | 5.9 | 8th | 1.9 | 4th | -1.2 | 2nd | -2.4 | 10th |
| Mean Bare Earth Minimum: | 1.6 | 0.3 | -0.5 | 5 | 8.8 | 11 | 14 | 11.9 | 11.7 | 8.3 | 2.7 | 2.4 | ||||||||||||
| Soil/Earth Temperatures (C) | ||||||||||||||||||||||||
| Surface mean: | 3.4 | 2.7 | 3.9 | 9 | 13.9 | 19.3 | 22.5 | 17.4 | 16.5 | 12.4 | 6.5 | 5.7 | ||||||||||||
| 5cm mean: | 3.4 | 2.7 | 3.5 | 8.2 | 12.9 | 17.5 | 21.7 | 16.6 | 15.9 | 12.1 | 6.5 | 5.7 | ||||||||||||
| 10cm mean: | 3.7 | 3 | 3.7 | 8.3 | 13.1 | 17.7 | 22.2 | 17 | 16.2 | 12.6 | 6.9 | 6 | ||||||||||||
| 20cm mean: | 4.2 | 3.5 | 4 | 8.8 | 13.3 | 17.7 | 21.6 | 17.5 | 16.5 | 13.1 | 7.8 | 6.6 | ||||||||||||
| 30cm mean: | 4.3 | 3.7 | 4.2 | 9.2 | 13.7 | 17.8 | 20.7 | 18.2 | 16.9 | 13.8 | 8.3 | 6.8 | ||||||||||||
| 40cm mean: | 4.4 | 3.9 | 4.3 | 9.1 | 13.4 | 17.8 | 20.7 | 18.1 | 16.9 | 13.8 | 8.4 | 6.8 | ||||||||||||
| 50cm mean: | 4.9 | 4.3 | 4.5 | 9.2 | 13.6 | 17.8 | 20.6 | 18.5 | 17.1 | 14.1 | 9 | 7.4 | ||||||||||||
| 100cm mean: | 5.5 | 4.7 | 4.5 | 7.8 | 11.7 | 15.9 | 18 | 17.7 | 16.6 | 14.5 | 10.3 | 8.2 | ||||||||||||
| Days with: | ||||||||||||||||||||||||
| Thunder: | 0 | 0 | 0 | 0 | 1 | 0 | 6 | 3 | 1 | 1 | 0 | 0 | ||||||||||||
| Hail less than 5mm: | 0 | 0 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ||||||||||||
| Hail greater than/equal to 5mm: | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ||||||||||||
| Snow or snow & rain: | 2 | 4 | 7 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ||||||||||||
| Snow lying: | 0 | 2 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ||||||||||||
| Fog | 4 | 4 | 1 | 2 | 1 | 0 | 2 | 0 | 2 | 4 | 1 | 4 | ||||||||||||
| Air Frost: | 8 | 11 | 11 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 6 | ||||||||||||
| Duration of Air Frost (hrs) | 25 | 60 | 64 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 17 | 38 | ||||||||||||
| Ground Frost: | 22 | 21 | 22 | 11 | 1 | 0 | 0 | 0 | 0 | 0 | 18 | 12 | ||||||||||||
| Gales: | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | ||||||||||||