April had above average temperature. Rainfall was average. It was less windy, the barometer was a little below average.
- Temperature was 0.7 degrees above my average of 11.6C with 12.3C, the same as 2012. The warmest April in my records was 2006 with 13.8C. No air frosts were recorded (air temperature at or below 0, my average is 0 though April 2011 recorded 2. Twenty one days reached or exceeded 15C, my average is 20, 9 days reached or exceeded 20C, my average is 6, 1 day reached or exceeded 20C, my average is 1 though April 2010 had 4 days at or over 25C.
- Wind run 76% of average (3810km) with 2910km.
- The barometer less than average pressure for the month (1015.4) with 1012.5hPa.
- Rainfall for the month was average (56mm) with 57mm.
| April 2013 Summary Temperature | |
|---|---|
| Mean | 12.3 C |
| Mean Maximum | 17.5 C |
| Mean Minimum | 7.1 C |
| Maximum High | 26.1 C (1st) |
| Maximum Low | 14.0 C (1st) |
| Minimum High | 11.8 C (20th) |
| Minimum Low | 0.1 C (10th) |
| Wind Speed and Direction | |
| Maximum Gust | 47 km/h (4th) |
| Mean | 4.2 km/h |
| Wind Run | 2910 km |
| Max Daily Windrun | 217 km (21st) |
| Prevailing Direction | East Nth East |
| Barometer | |
| Maximum | 102858 hPa (21st) |
| Minimum | 996.7 hPa (18th) |
| Mean | 1012.5 hPa |
| Max Daily Change | +16.6 hPa (4th) |
| Rainfall | |
| Days with Measured Rainfall (Greater than 0.2mm) |
8 |
| Max Daily Rainfall | 16.0 mm (18th) |
| Monthly Rainfall | 57.0 mm |
| Humidity | |
| Maximum | 100 % (8th and 9th) |
| Minimum | 36 % (28th) |
| 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 | 14.0 | 26.1 | 18.2 | 6.8 | 36 | 155 | East Nth East | 0 | 0 | 1000.1 | 1016.7 | +16.6 |
| Sunny but some cloud from early afternoon, clearing again. Light variable winds turning NE in the afternoon and freshening. | ||||||||||||
| 2 | 13.5 | 22.2 | 16.8 | 6.9 | 24 | 158 | East Nth East | 0 | 0 | 1005.0 | 1015.8 | -10.8 |
| Clear and sunny, NE winds. | ||||||||||||
| 3 | 9.8 | 20.7 | 16.4 | 8.2 | 47 | 189 | East Nth East | 0 | 0 | 998.0 | 1010.2 | +12.2 |
| Overcast with mild northerly winds in the morning. A cooler southerly change in the afternoon with a few spots of rain at times. | ||||||||||||
| 4 | 5.2 | 17.7 | 11.4 | 3.4 | 24 | 75 | South Sth West | 0.5 | 0.5 | 1010.4 | 1020.1 | +9.7 |
| Few coulds but mostly sunny with light southerly winds turning NE later in the afternoon. | ||||||||||||
| 5 | 6.4 | 15.6 | 10.6 | 4.0 | 29 | 92 | South Sth West | 0 | 0 | 1018.4 | 1025.9 | +7.5 |
| Mosty cloudy with southerly winds, a few spots of rain in the afternoon. | ||||||||||||
| 6 | 5.4 | 13.9 | 8.8 | 3.9 | 27 | 88 | South Sth West | 0 | 0 | 1024.7 | 1028.1 | +3.4 |
| Light morning showers clearing in the afternoon and cloud breaking with some sunny intervals. Light southerly winds. | ||||||||||||
| 7 | 2.6 | 15.1 | 8.8 | 1.1 | 16 | 25 | East Nth East | 0.5 | 0.5 | 1022.4 | 1028.5 | -6.1 |
| Cloud increasing from early afternoon with light rain from mid afternoon. Light north to NE breezes | ||||||||||||
| 8 | 3.5 | 18.2 | 11.2 | 2.4 | 23 | 54 | South Sth West | 0 | 0 | 1016.6 | 1023.2 | -6.6 |
| Cool start, mild and sunny with a few clouds and a light southerly breeze. | ||||||||||||
| 9 | 5.1 | 12.9 | 9.7 | 5.8 | 42 | 131 | South Sth West | 0.5 | 1.5 | 1018.5 | 1027.5 | +9.0 |
| Overcast with morning showers easing in the afternoon with cloud breaking toward evening. Cold southerly winds. | ||||||||||||
| 10 | 0.1 | 14.6 | 9.0 | 5.1 | 30 | 117 | East Nth East | 0 | 0 | 1019.1 | 1027.3 | -8.2 |
| Coldest morning of the year to date. Clear and sunny with NE winds. | ||||||||||||
| 11 | 3.6 | 23.0 | 14.1 | 4.1 | 29 | 92 | East Nth East | 0 | 0 | 1010.0 | 1018.8 | -8.8 |
| Sunny and mild from midday. NE winds turning mild nor'west from mid afternoon with some thin high cloud | ||||||||||||
| 12 | 9.7 | 17.3 | 14.0 | 3.8 | 24 | 87 | East Nth East | 0 | 0 | 1012.5 | 1026.4 | +13.9 |
| Some monring cloud but mostly sunny. Becoming overcast in the afternoon. Light NE winds. | ||||||||||||
| 13 | 7.4 | 17.2 | 12.4 | 5.5 | 29 | 125 | East Nth East | 0 | 0 | 1021.3 | 1026.1 | -4.8 |
| Mostly overcast with low cloud but some sunny breaks in the afternoon, NE winds. | ||||||||||||
| 14 | 4.6 | 18.0 | 11.6 | 3.9 | 30 | 90 | East Nth East | 0 | 0 | 1013.6 | 1021.7 | -8.1 |
| Morning cloud breaking to a mostly sunny day with NE winds. | ||||||||||||
| 15 | 6.6 | 22.6 | 13.6 | 1.9 | 19 | 42 | East Nth East | 0 | 0 | 1010.5 | 1014.6 | -4.1 |
| Some high cloud but mostly sunny and mild with light breezes tending NE. | ||||||||||||
| 16 | 7.2 | 16.8 | 11.8 | 5.6 | 28 | 128 | South Sth West | 0.5 | 4.0 | 1008.9 | 1012.6 | +3.7 |
| Cloud increasing in the morning, overcast with low cloud by afternoon. Light rain arriving by evening. Southerly winds. | ||||||||||||
| 17 | 11.1 | 13.1 | 11.8 | 7.8 | 27 | 171 | South Sth West | 1.0 | 9.0 | 1002.3 | 1010.4 | -8.1 |
| Morning showers, a period of rain from mid afternoon. Cool southerly winds. | ||||||||||||
| 18 | 7.2 | 14.7 | 11.7 | 5.0 | 26 | 113 | South Sth West | 0 | 0 | 1005.7 | 1013.1 | +7.4 |
| Overcast with cool southerly winds. Cloud breaking a little from late afternoon. | ||||||||||||
| 19 | 6.3 | 15.1 | 10.3 | 1.7 | 21 | 39 | South Sth West | 0 | 0 | 1012.7 | 1018.1 | +5.4 |
| Overcast and cool with light southerly winds. | ||||||||||||
| 20 | 8.8 | 11.8 | 10.0 | 5.4 | 32 | 124 | East Sth East | 1.5 | 16.0 | 1015.9 | 1018.1 | +2.2 |
| Overcast with morning rain easting to showers in the afternoon. Easterly winds. | ||||||||||||
| 21 | 10.7 | 14.1 | 11.7 | 9.5 | 39 | 217 | East Nth East | 0.5 | 11.0 | 1004.9 | 1016.3 | -11.4 |
| Light rain for most of the day. NE winds turning southerly from mid afternoon. | ||||||||||||
| 22 | 7.4 | 14.7 | 11.3 | 1.0 | 10 | 21 | South Sth West | 0 | 0 | 1000.1 | 1004.8 | -4.7 |
| Overcast with a few spots of rain during the day and drizzle in the evening. Light breezes tending southerly. | ||||||||||||
| 23 | 7.8 | 17.3 | 12.3 | 3.9 | 24 | 88 | South Sth West | 0 | 0 | 998.9 | 1002.6 | -3.7 |
| Cloud breaking late morning to a mostly sunny afternoon. Light southerly winds. | ||||||||||||
| 24 | 5.2 | 20.9 | 12.2 | 2.5 | 22 | 57 | East Nth East | 0 | 0 | 998.8 | 1000.9 | +2.1 |
| Some cloud but mostly sunny with light southerly breezes turning NE from midday | ||||||||||||
| 25 | 8.6 | 20.4 | 12.8 | 2.6 | 16 | 58 | East Nth East | 0 | 0 | 998.9 | 1002.4 | +3.5 |
| Morning fog clearing to a sunny day with southerly winds turning NE later in the afternoon. | ||||||||||||
| 26 | 5.8 | 15.2 | 11.4 | 2.9 | 25 | 65 | East Nth East | 0 | 0 | 996.7 | 1006.2 | -9.5 |
| Sunny morning, cloud increasing from midday with a few spots of rain in the evening. NE winds. | ||||||||||||
| 27 | 7.6 | 19.2 | 13.2 | 4.5 | 34 | 103 | East Nth East | 0 | 0 | 996.8 | 1007.6 | +10.8 |
| Some high cloud but mostly sunny, brief southerly change around midday turning NE in the afternoon. | ||||||||||||
| 28 | 7.8 | 24.3 | 15.4 | 3.0 | 36 | 69 | East Nth East | 0 | 0 | 1005.9 | 1009.8 | -3.9 |
| Cloud increasing from mid afternoon. Mild with north to NE winds tending NW at times. | ||||||||||||
| 29 | 9.6 | 20.3 | 15.8 | 2.9 | 32 | 64 | South Sth West | 0 | 0 | 1005.4 | 1013.5 | +8.1 |
| Light southerly winds turning NE in the afternoon, some high cloud in the afternoon. | ||||||||||||
| 30 | 4.4 | 13.0 | 9.7 | 2.6 | 41 | 60 | South Sth West | 8.5 | 14.5 | 1013.2 | 1024.6 | +11.4 |
| Overcast with variable breezes in the morning turning southerly with a passing thunder storm that dumped 8.5mm of rain in 10 minutes causing some surface flooding around the city. Cool southerlies and a few light showers in the afternoon. | ||||||||||||
