| CLIMATOLOGICAL SUMMARY FOR: | 2007 | ||||||||||||||
| Units | Celsius | Celsius | Celsius | Celsius | Celsius | Celsius | Millimetres | Millimetres | mph | mph | -- | Millibars | Percent | ||
| MONTH | AVERAGE MEAN* | 2007 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 | 6.44 | 11.80 | 1.50 | 10.00 | -3.00 | 65 | 101 | 5 | 35 | S | 1010.17 | 89.61 | ||
| February | 3.50 | 5.54 | 11.70 | -0.80 | 7.80 | -4.30 | 48 | 59 | 4 | 27 | SSE | 982.51 | 91.07 | ||
| March | 6.00 | 6.19 | 15.10 | 4.60 | 5.50 | -2.40 | 57 | 39 | 5 | 27 | N | 989.75 | 79.36 | ||
| April | 7.70 | 11.62 | 23.00 | 9.10 | 11.10 | 0.30 | 47 | 4 | 3 | 17 | ENE | 997.50 | 67.07 | ||
| May | 11.10 | 12.51 | 23.60 | 10.30 | 12.30 | 3.40 | 58 | 78 | 3 | 25 | W | 986.52 | 74.93 | ||
| June | 14.10 | 15.51 | 26.40 | 15.90 | 14.00 | 6.30 | 57 | 86 | 2 | 20 | SSE | 986.75 | 77.83 | ||
| July | 16.60 | 15.19 | 23.70 | 15.10 | 14.10 | 7.60 | 52 | 143 | 3 | 25 | W | 986.45 | 78.71 | ||
| August | 16.10 | 15.79 | 26.90 | 16.00 | 14.30 | 8.50 | 59 | 41 | 2 | 17 | SSE | 991.96 | 69.35 | ||
| September | 13.70 | 13.67 | 22.50 | 11.30 | 14.30 | 3.10 | 64 | 22 | 2 | 19 | N | 996.00 | 77.52 | ||
| October | 10.50 | 10.51 | 17.50 | 8.10 | 14.00 | 2.00 | 63 | 60 | 2 | 15 | 0 | 1022.69 | 88.16 | ||
| November | 6.70 | 6.74 | 12.90 | 3.00 | 7.80 | -1.80 | 63 | 63 | 3 | 23 | 0 | 1017.99 | 88.11 | ||
| December | 5.10 | 5.15 | 13.00 | 1.30 | 8.60 | -3.20 | 74 | 56 | 4 | 34 | 0 | 1013.39 | 92.88 | ||
| TOTAL | -- | -- | -- | -- | -- | -- | -- | 752 | -- | -- | -- | -- | -- | ||
| MEAN | -- | 10.41 | 19.01 | 7.95 | 11.15 | 1.38 | -- | 63 | 3 | 23.67 | SSE | 998.47 | 81 | ||
| HIGH | -- | 15.79 | 26.90 | 16.00 | 14.30 | 8.50 | -- | 143 | 5 | 35.00 | -- | 1022.69 | 93 | ||
| LOW | -- | 5.15 | 11.70 | -0.80 | 5.50 | -4.30 | -- | 4 | 2 | 15.00 | -- | 982.51 | 67 | ||
| AVERAGE* | 9.58 | -- | -- | -- | -- | -- | 707 | -- | -- | -- | -- | -- | -- | ||
| Number of Frost Days | 23 | Number of Rain Days | 124 | Number of Frost Days | 29 | ||||||||||
| Number of Significant Rain Days | 32 | September 2006 - April 2007 | |||||||||||||
| Number of Major Rain Days | 13 | ||||||||||||||
| 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 air temperature recorded in the 24 hour period fell below 0' Celsius | |||||||||||||||