| December 2011 Summary Temperature |
|
|---|---|
| Mean | 15.5 C |
| Mean Maximum | 20.3 C |
| Mean Minimum | 11.4 C |
| Maximum High | 28.2 C (28th) |
| Maximum Low | 15.0 C (14th) |
| Minimum High | 12.9 C (16th) |
| Minimum Low | 5.2 C (20th) |
| Wind Speed and Direction | |
| Maximum Gust | 51 km/h (11th) |
| Mean | 8.3 km/h |
| Wind Run | 5880 km |
| Max Daily Windrun | 375 km (11th) |
| Prevailing Direction | East Nth East |
| Barometer | |
| Maximum | 1029.6 hPa (21st) |
| Minimum | 999.0 hPa (15th) |
| Mean | 1015.4 hPa |
| Max Daily Change | +13.5 hPa (8th) |
| Rainfall | |
| Days with Measured Rainfall (Greater than 0.2mm) |
6 |
| Max Daily Rainfall | 23.5 mm (16th) |
| Monthly Rainfall | 60.0 mm |
| Humidity | |
| Maximum |
99 % (7th & 16th) |
| Minimum | 26 % (4th) |
| December Daily Observations | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temperature | Wind | Rainfall | Barometer | |||||||||
| Date | Min | Max | Mean | Mean (Km/h) | Gust (Km/h) | Run (km) | Prevailing Dir | 10 Minute Max (mm) | Total (mm) | Min (hPa) | Max (hPa) | Change (hPa) |
| 1 | 12.2 | 22.1 | 16.6 | 11.5 | 41 | 265 | East Nth East | 0 | 0 | 1020.2 | 1026.3 | -6.1 |
| Clear and sunny with mild NE winds |
||||||||||||
| 2 | 7.9 | 28.0 | 17.8 | 5.8 | 34 | 131 | East Nth East | 0 | 0 | 1018.3 | 1021.9 | -3.6 |
| Sunny with some thin high cloud in the afternoon. Light southerly winds turning NE in the afternoon. | ||||||||||||
| 3 | 9.2 | 24.7 | 19.1 | 6.4 | 33 | 143 | East Nth East | 0 | 0 | 1006.9 | 1018.7 | -11.8 |
| Warm and sunny for much of the day. Cloud increasing from afternoon and a few spots of rain in the evening. | ||||||||||||
| 4 | 12.8 | 26.4 | 19.5 | 9.4 | 34 | 200 | East Nth East | 0 | 0 | 1004.2 | 1011.4 | +7.2 |
| Warm and sunny morning. Cloud increasing from mid afternoon. NE winds turning south to SW from mid morning. | ||||||||||||
| 5 | 11.8 | 18.4 | 14.1 | 11.5 | 36 | 247 | South West | 0 | 0 | 1009.9 | 1012.1 | +2.2 |
| Cloudy with some breaks. Cloud lowering from late afternoon with drizzle. | ||||||||||||
| 6 | 11.3 | 13.9 | 12.3 | 9.0 | 24 | 200 | South West | 1.0 | 12.0 | 1002.8 | 1011.8 | -9.0 |
| Overcast with drizzle and light rain during the day. Heavier rain from evening. | ||||||||||||
| 7 | 9.7 | 13.2 | 10.8 | 14.7 | 42 | 332 | South Sth West | 1.0 | 19.0 | 1002.8 | 1008.1 | +5.3 |
| Overcast with rain in the morning clearing in the afternoon with cloud breaking. Cool southerly winds. | ||||||||||||
| 8 | 9.3 | 16.5 | 12.0 | 3.3 | 21 | 75 | South Sth West | 0 | 0 | 1008.2 | 1021.7 | +13.5 |
| Overcast with light southerly winds turning NE from late afternoon. | ||||||||||||
| 9 | 7.2 | 19.1 | 14.1 | 7.2 | 31 | 166 | East Nth East | 0 | 0 | 1021.7 | 1028.3 | +6.6 |
| Clear and sunny for much of the day. High cloud increasing from late afternoon, NE winds. | ||||||||||||
| 10 | 12.9 | 19.0 | 14.7 | 12.4 | 45 | 285 | East Nth East | 0 | 0 | 1024.7 | 1028.5 | -3.8 |
| Cloudy but some sunny spells. Fresh NE wind. | ||||||||||||
| 11 | 13.0 | 17.6 | 14.7 | 16.3 | 51 | 375 | East Nth East | 0 | 0 | 1015.2 | 1024.8 | -9.6 |
| Cloud breaking in the afternoon, fresh to strong NE wind. | ||||||||||||
| 12 | 14.0 | 21.8 | 17.2 | 11.7 | 37 | 268 | East Nth East | 0 | 0 | 1009.1 | 1015.4 | -6.3 |
| Mostly overcast with NE winds easing during the afternoon. | ||||||||||||
| 13 | 13.6 | 27.7 | 19.0 | 6.5 | 24 | 148 | East Nth East | 0 | 0 | 1010.0 | 1012.8 | +2.8 |
| Clear and sunny with southerly winds turning NE in the afternoon. Cloud increasing in the evening. | ||||||||||||
| 14 | 15.0 | 17.8 | 16.2 | 9.9 | 39 | 226 | East Nth East | 0.5 | 4.0 | 1000.4 | 1012.4 | -12.0 |
| Overcast with showers, NE winds. | ||||||||||||
| 15 | 12.9 | 19.4 | 16.4 | 10.1 | 31 | 232 | East Nth East | 0.5 | 0.5 | 999.0 | 1002.7 | +3.7 |
| Overcast with showers around midday. NE changing southerly in the evening. | ||||||||||||
| 16 | 9.2 | 12.9 | 11.2 | 15.3 | 47 | 349 | South Sth West | 2.0 | 23.5 | 1002.3 | 1009.9 | +7.6 |
| Overcast with morning rain easing in the afternoon. Cool southerly winds. | ||||||||||||
| 17 | 9.2 | 15.8 | 11.5 | 10.5 | 32 | 239 | South Sth West | 0 | 0 | 1010.0 | 1015.2 | +5.2 |
| Cloud breaking and southerly wind easing in the afternoon. Becoming overcast in the evening. | ||||||||||||
| 18 | 9.7 | 16.4 | 12.1 | 5.6 | 31 | 126 | South Sth West | 0 | 0 | 1014.9 | 1018.7 | +3.8 |
| Mostly cloudy with southerly winds. | ||||||||||||
| 19 | 7.8 | 18.1 | 12.8 | 5.0 | 24 | 113 | South Sth West | 0 | 0 | 1017.0 | 1019.6 | +2.6 |
| Cloud breaking and clearing in the afternoon. Southerly winds. | ||||||||||||
| 20 | 5.2 | 20.0 | 12.6 | 4.1 | 25 | 94 | East Nth East | 0 | 0 | 1019.8 | 1027.8 | +8.0 |
| Broken cloud with sunny intervals. Southerly winds turning NE in the afternoon. | ||||||||||||
| 21 | 10.5 | 18.9 | 14.3 | 6.2 | 29 | 142 | East Nth East | 0 | 0 | 1027.0 | 1029.6 | +2.6 |
| Morning cloud clearing to a sunny afternoon with NE winds. | ||||||||||||
| 22 | 12.0 | 21.7 | 15.9 | 6.8 | 27 | 156 | East Nth East | 0 | 0 | 1026.7 | 1029.4 | -2.7 |
| Morning cloud clearing by midday. Mild with mostly light NE winds. | ||||||||||||
| 23 | 10.0 | 21.5 | 15.8 | 6.4 | 28 | 146 | East Nth East | 0 | 0 | 1023.1 | 1028.7 | -5.6 |
| Sunny with some high cloud, NE winds. | ||||||||||||
| 24 | 11.8 | 20.3 | 16.2 | 9.1 | 34 | 209 | East Nth East | 0 | 0 | 1020.4 | 1024.4 | -4.0 |
| Clear and sunny for much of the day. Cloud increasing from later in the afternoon. NE winds. | ||||||||||||
| 25 | 14.3 | 20.5 | 17.0 | 10.3 | 34 | 236 | East Nth East | 0 | 0 | 1019.0 | 1022.3 | -3.3 |
| Morning cloud clearing to a sunny day. High cloud increasing in the evening, NE winds. | ||||||||||||
| 26 | 14.9 | 23.5 | 18.0 | 8.2 | 34 | 190 | East Nth East | 0 | 0 | 1014.1 | 1021.3 | -7.2 |
| Little cloud, sunny and mild with NE winds in the afternoon. | ||||||||||||
| 27 | 14.8 | 27.0 | 19.7 | 8.3 | 29 | 191 | East Nth East | 0 | 0 | 1007.7 | 1014.8 | -7.1 |
| Sunny and warm with NE winds in the afternoon. | ||||||||||||
| 28 | 13.9 | 28.2 | 20.5 | 3.9 | 24 | 90 | East Nth Eat | 0 | 0 | 1007.1 | 1011.3 | +4.2 |
| Overcast with high cloud. Light southerly breezes turning NE in the afternoon | ||||||||||||
| 29 | 12.6 | 23.0 | 18.1 | 3.3 | 24 | 75 | East Nth East | 0 | 0 | 1005.0 | 1009.8 | -4.8 |
| Overcast with a few spots of rain in the afternoon, light NE winds. | ||||||||||||
| 30 | 12.4 | 16.4 | 14.3 | 6.5 | 34 | 147 | South Sth West | 0.5 | 1.0 | 1007.4 | 1018.0 | |
| Overcast with early showers and some light showers during the day. Cooler with southerly winds, light breezes during the day turning NNE in the evening.. | ||||||||||||
| 31 | 12.0 | 19.8 | 14.6 | 3.0 | 19 | 68 | East Nth East | 0 | 0 | 1012.4 | 1017.8 | -5.4 |
| Overcast with light NE winds. | ||||||||||||
