| April 2011 Summary Temperature |
|
|---|---|
| Mean | 11.2 C |
| Mean Maximum | 16.3 C |
| Mean Minimum | 6.8 C |
| Maximum High | 25.1 C (24th) |
| Maximum Low | 13.0 C (23rd) |
| Minimum High | 10.5 C (18th) |
| Minimum Low | -1.7 C (28th) |
| Wind Speed and Direction | |
| Maximum Gust | 57 km/h (18th) |
| Mean | 5.6 km/h |
| Wind Run | 3837 km |
| Max Daily Windrun | 387 km (7th) |
| Prevailing Direction | East Nth East |
| Barometer | |
| Maximum | 1033.8 hPa (30th) |
| Minimum | 996.2 hPa (17th) |
| Mean | 1016.2 hPa |
| Max Daily Change | +20.7 hPa (18th) |
| Rainfall | |
| Days with Measured Rainfall (Greater than 0.2mm) |
12 |
| Max Daily Rainfall | 18.0 mm (5th) |
| Monthly Rainfall | 70.0 mm |
| Humidity | |
| Maximum |
100 % (19th) |
| Minimum | 33 % (30th) |
| April 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 | 11.1 | 15.4 | 12.6 | 6.4 | 48 | 147 | South Sth West |
0 | 0 | 1009.4 | 1020.9 | +11.5 |
| Mostly cloudy with an early morning southerly. Some drizzle at times. |
||||||||||||
| 2 | 7.4 | 16.8 | 12.8 | 9.9 | 45 | 228 | East Nth East | 0 | 0 | 1013.9 | 1021.1 | -7.2 |
| Sunny with a fresh NE wind. | ||||||||||||
| 3 | 4.2 | 18.8 | 13.2 | 2.9 | 26 | 68 | East Nth East | 0 | 0 | 999.2 | 1013.8 | -14.6 |
| Overcast with high cloud, light winds. | ||||||||||||
| 4 | 8.4 | 20.1 | 13.2 | 7.7 | 35 | 175 | South Sth West | 1.0 | 14.5 | 998.4 | 1004.0 | +5.6 |
| Cloud increasing in the morning with rain from afternoon with a southerly change. | ||||||||||||
| 5 | 4.6 | 12.7 | 8.6 | 9.4 | 43 | 211 | South Sth West | 1.5 | 18.0 | 1003.9 | 1007.5 | +3.6 |
| Morning rain with cold southerlies. Rain clearing by midday and cloud breaking in the afternoon. | ||||||||||||
| 6 | 4.6 | 16.0 | 10.4 | 5.8 | 50 | 129 | South Sth West | 0 | 0 | 1001.4 | 1010.2 | +8.8 |
| Mostly sunny but some cloud in the afternoon. Southerly winds easing in the afternoon but another strong southerly arriving in the evening. | ||||||||||||
| 7 | 7.6 | 11.8 | 9.5 | 16.9 | 51 | 387 | South Sth West | 0.5 | 1.5 | 1004.0 | 1011.8 | +7.8 |
| Some early showers. Broken cloud with cold southerly winds. Windiest day of the year to date. | ||||||||||||
| 8 | 8.1 | 15.5 | 11.8 | 11.9 | 42 | 271 | South Sth West | 0 | 0 | 1010.4 | 1023.1 | +12.7 |
| Variable cloud, cool southerly winds. | ||||||||||||
| 9 | 10.1 | 17.1 | 12.2 | 2.6 | 22 | 61 | East Nth East | 0 | 0 | 1021.1 | 1023.4 | -2.3 |
| Morning cloud clearing to a sunny afternoon with light NE winds. | ||||||||||||
| 10 | 6.0 | 15.9 | 11.2 | 6.1 | 33 | 138 | East Nth East | 0 | 0 | 1012.9 | 1023.4 | -10.5 |
| Some morning cloud, mostly sunny in the afternoon. NE winds. | ||||||||||||
| 11 | 7.4 | 24.4 | 13.7 | 3.0 | 19 | 70 | East Nth East | 0 | 0 | 1015.1 | 1023.0 | +7.9 |
| Morning fog clearing then sunny with light winds. | ||||||||||||
| 12 | 5.4 | 20.1 | 12.2 | 2.5 | 24 | 58 | East Nth East | 0 | 0 | 1021.1 | 1024.6 | -3.5 |
| Sunny with cloud increasing later in the afternoon, light winds. | ||||||||||||
| 13 | 7.4 | 18.8 | 12.3 | 3.8 | 24 | 85 | East Nth East | 0 | 0 | 1016.8 | 1021.9 | -5.1 |
| Some high cloud but mostly sunny with light winds. Low cloud rolling in from the east later in the afternoon. | ||||||||||||
| 14 | 9.4 | 14.8 | 11.9 | 2.1 | 15 | 47 | East nth Easy | 0.5 | 0.5 | 1012.2 | 1017.6 | -5.4 |
| Overcast with low cloud. Light variable winds. Evening showers. | ||||||||||||
| 15 | 11.8 | 15.5 | 13.1 | 2.7 | 16 | 61 | South Sth West | 0.5 | 1.0 | 1011.0 | 1017.8 | +6.8 |
| Overcast with early morning showers and some drizzle during the day. Light southerly breezes. | ||||||||||||
| 16 | 11.8 | 13.8 | 12.8 | 1.4 | 15 | 31 | East Nth East | 0.5 | 6.0 | 1002.7 | 1017.5 | -14.8 |
| Overcast with light showers and drizzle, light NE breezes. | ||||||||||||
| 17 | 6.8 | 14.2 | 10.7 | 7.6 | 41 | 168 | South West | 1.0 | 10.5 | 996.2 | 1002.4 | -6.2 |
| Light showers in the morning. A strong cold southerly in the afternoon with heavy showers. | ||||||||||||
| 18 | 5.2 | 10.5 | 7.5 | 13.9 | 57 | 315 | South Sth West | 1.5 | 9.5 | 998.1 | 1018.8 | +20.7 |
| Cold with strong southerly winds, showers, some with hail. Cloud breaking in the morning | ||||||||||||
| 19 | 1.0 | 13.2 | 7.7 | 4.4 | 27 | 101 | East Nth East | 0.5 | 0.5 | 1009.1 | 1018.1 | -9.7 |
| Dry and cool with thin high cloud. Light NE winds. Rain measured is condensation from a light frost. | ||||||||||||
| 20 | 6.8 | 13.8 | 10.8 | 4.3 | 35 | 98 | South Sth West | 0.5 | 0.5 | 1008.7 | 1020.8 | +12.1 |
| Overcast and cool with the odd spot of drizzle, mostly light southerly winds. | ||||||||||||
| 21 | 9.9 | 15.1 | 12.1 | 8.5 | 38 | 196 | East Nth East | 0 | 0 | 1018.2 | 1021.4 | -3.2 |
| Variable high cloud, fresh NE winds in the afternoon. | ||||||||||||
| 22 | 11.4 | 18.3 | 14.2 | 6.9 | 25 | 157 | East Nth East | 0 | 0 | 1011.9 | 1018.7 | -6.8 |
| Variable cloud, NE winds. | ||||||||||||
| 23 | 13.0 | 23.3 | 17.3 | 6.9 | 28 | 157 | East Nth East | 0 | 0 | 1010.3 | 1017.7 | +7.4 |
| Broken high cloud, mild north to NE winds. | ||||||||||||
| 24 | 10.0 | 25.1 | 16.0 | 3.8 | 27 | 87 | East Nth East | 0 | 0 | 1009.3 | 1017.2 | -7.9 |
| Clear and sunny with warm north to NE winds. | ||||||||||||
| 25 | 7.2 | 13.6 | 9.6 | 4.4 | 34 | 101 | South Sth West | 0.5 | 5.5 | 1010.8 | 1023.1 | +12.3 |
| Overcast with showers and drizzle, cold southerly winds, mostly light during the day. | ||||||||||||
| 26 | 4.4 | 12.6 | 7.6 | 3.5 | 24 | 78 | South Sth West | 0.5 | 2.0 | 1023.5 | 1030.4 | +6.9 |
| Morning showers clearing and cloud breaking in the afternoon. Cold southerly winds. | ||||||||||||
| 27 | 2.8 | 10.6 | 6.7 | 1.7 | 19 | 40 | South Sth West | 0 | 0 | 1028.4 | 1030.3 | +1.9 |
| Overcast and cool with light southerly winds. | ||||||||||||
| 28 | -1.7 | 12.8 | 5.4 | 2.0 | 21 | 44 | East Nth East | 0 | 0 | 1027.1 | 1030.4 | +3.3 |
| First good frost of the year. Clear and sunny with light winds. | ||||||||||||
| 29 | -1.1 | 16.9 | 7.1 | 2.1 | 16 | 47 | South West | 0 | 0 | 1029.8 | 1032.8 | +3.0 |
| Clear and sunny with light southerly winds | ||||||||||||
| 30 | 2.2 | 20.9 | 11.2 | 2.9 | 21 | 66 | East Nth East | 0 | 0 | 1029.8 | 1033.8 | -4.0 |
| Clear and sunny with light NE winds. | ||||||||||||
