| CLIMATOLOGICAL SUMMARY FOR: | 2006 | ||||||||||||||
| Units | Celsius | Celsius | Celsius | Celsius | Celsius | Celsius | Millimetres | Millimetres | mph | mph | -- | Millibars | Percent | ||
| MONTH | AVERAGE MEAN | 2006 MEAN | MONTHLY HIGH | MONTHLY LOW MAXIMUM | MONTHLY HIGH MINIMUM | MONTHLY LOW | AVERAGE RAINFALL | RAINFALL | WIND SPEED AVE | WIND HIGH | DOMINANT DIRECTION | BARO' MEAN | MEAN HUMIDITY | ||
| January* | 3.90 | 3.90 | -- | -- | -- | -- | 65 | -- | -- | -- | -- | -- | -- | ||
| February* | 3.50 | 3.50 | -- | -- | -- | -- | 48 | -- | -- | -- | -- | -- | -- | ||
| March* | 6.00 | 6.00 | -- | -- | -- | -- | 57 | -- | -- | -- | -- | -- | -- | ||
| April | 7.70 | 10.83 | 16.90 | 13.60 | 7.70 | 4.00 | 47 | -- | 2 | 13.00 | N | 1021.71 | 65.83 | ||
| May | 11.10 | 12.37 | 25.00 | 11.40 | 11.40 | 2.40 | 58 | 39 | 3 | 24.00 | N | 1014.67 | 77.76 | ||
| June | 14.10 | 16.69 | 30.20 | 16.10 | 18.00 | 5.70 | 57 | 15 | 2 | 17.00 | SSE | 1021.96 | 65.24 | ||
| July | 16.60 | 20.01 | 33.10 | 20.20 | 21.10 | 9.50 | 52 | 26 | 2 | 18.00 | SSE | 1020.04 | 66.53 | ||
| August | 16.10 | 16.33 | 26.80 | 15.40 | 18.40 | 7.40 | 59 | 40 | 3 | 21.00 | N | 1014.51 | 72.13 | ||
| September | 13.70 | 15.96 | 23.80 | 16.70 | 16.30 | 7.50 | 64 | 102 | 3 | 24.00 | SSE | 994.69 | 84.50 | ||
| October | 10.50 | 12.38 | 19.00 | 11.10 | 13.70 | 3.80 | 63 | 107 | 3 | 20.00 | SSE | 984.10 | 91.38 | ||
| November | 6.70 | 7.05 | 14.10 | 6.10 | 10.70 | 0.40 | 63 | 83 | 3 | 26.00 | SSE | 988.19 | 91.90 | ||
| December | 5.10 | 5.80 | 12.40 | 0.90 | 9.40 | -3.30 | 74 | 86 | 4 | 35.00 | S | 999.18 | 95.60 | ||
| TOTAL | -- | -- | -- | -- | -- | -- | -- | 498 | -- | -- | -- | -- | -- | ||
| MEAN | -- | 10.90 | 22.37 | 12.39 | 14.08 | 4.16 | -- | 62 | 3 | 22.00 | SSE | 1006.56 | 79 | ||
| HIGH | -- | 20.01 | 33.10 | 20.20 | 21.10 | 9.50 | -- | 107 | 4 | 35.00 | -- | 1021.96 | 96 | ||
| LOW | -- | 3.50 | 12.40 | 0.90 | 7.70 | -3.30 | -- | 15 | 2 | 13.00 | -- | 984.10 | 65 | ||
| AVERAGE* | 9.58 | -- | -- | -- | -- | -- | 707 | -- | -- | -- | -- | -- | -- | ||
| Number of Frost Days | 6 | Number of Rain Days | 92 | ||||||||||||
| Number of Significant Rain Days | 21 | ||||||||||||||
| Number of Major Rain Days | 9 | ||||||||||||||
| Definitions | |||||||||||||||
| 1. A "Rain Day" is where at least 1mm of Rain was recorded within a 24 hour period (midnight - midnight) | |||||||||||||||
| 2. A "Significant Rain Day" is where there was more than 6mm but less than 12mm of rain recorded within a 24 hour period (midnight - midnight) | |||||||||||||||
| 3. A "Major Rain Day" is where there rainfall was more than 12mm within a 24 hour period (midnight - midnight) | |||||||||||||||
| 5. *Average taken from Lyneham | |||||||||||||||
| 6. Frost Day when the lowest temperature recorded in the 24 hour period fell below 0' Celsius | |||||||||||||||