April Summary;
Above average temperature and near average rainfall.
- April was above my average temperature of 11.8C with 13.0C.
- The warmest April is 2006 with 13.8C, the coolest 2002 with 9.5C.
- The coldest temperature was 2.1C. The lowest April temperature I've recorded was in 2011 with -1.7C.
- No frosts were recorded
- Twenty two days reached or exceed 15C, my average is 20.
- Nine days reached or exceeded 20C, my average is 6.
- Four days reached or exceeded 25C, my average is 1.
- Wind run was 121% of my average of 3754km with 4544km.
- The barometer recorded below average pressure for the month with 1013.7 hPa. My average is 1015.0 hPa.
- Rainfall was 111% of my average expected rainfall of 65mm with 72.5mm.
- The driest April was 2001 with 4.5mm, the wettest was 2014 with 201.5mm.
April 2015 Summary Temperature | |
---|---|
Mean | 13.0 C |
Mean Maximum | 18.3 C |
Mean Minimum | 8.8 C |
Maximum High | 28.1 C (7th) |
Maximum Low | 13.5 C (26th) |
Minimum High | 10.4 C (14th) |
Minimum Low | 2.1 C (14th) |
Wind Speed and Direction | |
Maximum Gust | 59 km/h (15th) |
Mean | 7.2 km/h |
Wind Run | 4544 km |
Max Daily Windrun | 332 km (15th) |
Prevailing Direction | East North East |
Barometer | |
Maximum | 1033.8 hPa (22nd) |
Minimum | 982.2 hPa (13th) |
Mean | 1013.7 hPa |
Max Daily Change | +18.8 hPa (30th) |
Rainfall | |
Days with Measured Rainfall (0.5mm or more) |
11 |
Max Daily Rainfall | 22 mm (27th) |
Monthly Rainfall | 72.5 mm |
Humidity | |
Maximum | 100 % (Several Days) |
Minimum | 32 % (2nd) |
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 | 6.5 | 19.3 | 13.3 | 5.6 | 30 | 129 | East Nth East | 0 | 0 | 1022.4 | 1025.7 | -3.3 |
Few clouds, sunny with NE winds | ||||||||||||
2 | 9.1 | 26.0 | 16.9 | 3.2 | 24 | 67 | South | 0 | 0 | 1017.3 | 1022.9 | -5.6 |
Sunny with light southerly winds later in the morning, warm in the afternoon. Light NE winds from early evening. | ||||||||||||
3 | 11.5 | 22.6 | 16.5 | 5.9 | 32 | 135 | East Nth East | 0 | 0 | 1015.1 | 1023.2 | -8.1 |
Mild and mostly sunny with thin high cloud, NE winds. | ||||||||||||
4 | 9.7 | 26.8 | 15.9 | 5.0 | 53 | 102 | South | 0 | 0 | 1004.7 | 1018.0 | +13.3 |
Overcast in the morning with north to NE breezes. Cloud clearing from midday with mild temperatures in the afternoon before a brief gusty southerly change. | ||||||||||||
5 | 12.2 | 18.6 | 13.9 | 7.3 | 26 | 163 | South | 0 | 0 | 1018.3 | 1023.9 | -5.6 |
Few sunny intervals but mostly cloudy, southerly winds turning NE from midday | ||||||||||||
6 | 13.4 | 21.4 | 17.1 | 10.2 | 30 | 232 | East Nth East | 0 | 0 | 1007.5 | 1022.3 | -14.8 |
Mild with variable cloud, north to NE winds, light showers in the evening. Maximum temperature recorded at 11:30pm | ||||||||||||
7 | 12.7 | 28.1 | 20.8 | 6.5 | 40 | 148 | East Nth East | 0 | 0 | 1005.5 | 1018.5 | +13.0 |
Mild with variable breezes turning cooler NE later in the afternoon. Second warmest April day I've recorded. | ||||||||||||
8 | 12.5 | 24.2 | 15.6 | 2.8 | 25 | 52 | East Nth East | 0.5 | 2.5 | 1011.5 | 1019.0 | +7.6 |
Morning showers. Mostly cloudy but some sunny intervals around midday. North to NE breezes turning southerly in the evening. | ||||||||||||
9 | 11.0 | 14.9 | 12.6 | 8.3 | 30 | 183 | East Nth East | 0.5 | 0.5 | 1010.9 | 1022.5 | -11.6 |
Cloudy and cool with drizzle late morning. Light southerly winds turning NE from midday. Showers in the evening. | ||||||||||||
10 | 9.6 | 16.9 | 12.1 | 6.6 | 38 | 125 | South | 1.0 | 9.0 | 1002.3 | 1011.2 | -8.9 |
Early showers clearing by dawn. Cloud increasing later in the morning with a southerly change with showers in the afternoon. | ||||||||||||
11 | 8.6 | 15.0 | 11.2 | 4.8 | 32 | 105 | South | 0.5 | 1.5 | 1003.5 | 1011.7 | -8.2 |
Morning showers clearing by dawn, overcast with light southerly breezes in the morning turning NE in the afternoon. | ||||||||||||
12 | 6.9 | 22.1 | 13.2 | 5.6 | 44 | 125 | North Nth West | 0 | 0 | 984.3 | 1002.9 | -18.6 |
Variable cloud with sunny intervals, north to NW winds. | ||||||||||||
13 | 2.5 | 11.8 | 7.8 | 11.5 | 44 | 215 | South | 1.5 | 11.0 | 982.2 | 998.2 | +16.0 |
Few spots of rain morning and afternoon, some cloud but mostly sunny with cold southerly wind. Colder with showers with hail in the evening. | ||||||||||||
14 | 2.1 | 10.4 | 5.9 | 14.8 | 57 | 275 | South | 0.5 | 5.0 | 997.8 | 1007.6 | +9.8 |
Showers in the morning with snow on the Port Hills. Sunny periods in the afternoon. Strong cold southerly winds. | ||||||||||||
15 | 3.8 | 13.3 | 9.5 | 15.7 | 59 | 332 | South | 0 | 0 | 1006.8 | 1020.0 | +13.2 |
Few clouds but mostly sunny with strong cold southerly winds. | ||||||||||||
16 | 2.7 | 15.9 | 9.4 | 3.7 | 21 | 75 | South | 0 | 0 | 1018.1 | 1022.3 | -4.2 |
Sunny with a few clouds at times, light southerly breezes turning NE from mid afternoon | ||||||||||||
17 | 8.5 | 19.5 | 13.1 | 5.8 | 24 | 126 | East Nth East | 0 | 0 | 1011.2 | 1018.0 | -6.8 |
Mostly sunny morning, cloud increasing in the afternoon, NE winds turning southerly early evening with a few spots of rain. | ||||||||||||
18 | 9.0 | 15.7 | 12.1 | 6.0 | 24 | 116 | South | 0 | 0 | 1017.7 | 1026.0 | +8.3 |
Light showers or drizzle in the morning clearing and cloud breaking in the afternoon. light southerly breezes turning NE in the evening. | ||||||||||||
19 | 11.0 | 16.3 | 13.0 | 9.6 | 33 | 219 | East Nth East | 0 | 0 | 1018.2 | 1024.4 | -6.2 |
Some cloud but mostly sunny with NE winds. | ||||||||||||
20 | 7.8 | 18.7 | 12.7 | 6.2 | 40 | 115 | South | 0 | 0 | 1017.5 | 1029.0 | +11.5 |
Partly cloudy with southerly winds from mid morning easing in the afternoon with increasing cloud. A few spots of rain from late afternoon. | ||||||||||||
21 | 11.8 | 14.0 | 12.6 | 3.1 | 25 | 68 | East Nth East | 0.5 | 3.5 | 1025.0 | 1029.8 | -4.8 |
Overcast with light rain at times, NE breezes turning southerly in the evening. | ||||||||||||
22 | 11.3 | 14.0 | 12.1 | 3.4 | 18 | 73 | South | 0.5 | 1.5 | 1029.5 | 1033.8 | +4.3 |
Overcast with drizzle and light rain at times. Light southerly winds turning NE from mid afternoon. | ||||||||||||
23 | 11.3 | 16.0 | 12.9 | 8.5 | 29 | 193 | East Nth East | 0 | 0 | 1029.9 | 1033.2 | -3.3 |
Variable cloud with sunny intervals, NE winds | ||||||||||||
24 | 11.3 | 15.8 | 13.2 | 9.9 | 37 | 226 | East Nth East | 0 | 0 | 1021.7 | 1030.9 | -9.2 |
Some cloud but mostly sunny with NE winds. | ||||||||||||
25 | 10.2 | 25.1 | 16.3 | 4.4 | 23 | 99 | East Nth East | 0 | 0 | 1011.0 | 1021.4 | -10.4 |
Mild with light north to NE winds, cloud increasing in the afternoon. | ||||||||||||
26 | 13.5 | 21.2 | 17.9 | 7.1 | 40 | 160 | East Nth East | 0 | 0 | 998.3 | 1010.7 | -12.4 |
Light showers in the morning clearing to a mild and mostly cloudy day. NE winds tending northerly at times. | ||||||||||||
27 | 9.8 | 18.8 | 13.9 | 8.1 | 39 | 154 | South | 2.0 | 22.0 | 988.2 | 999.0 | -10.8 |
Overcast with light showers turning to rain from late afternoon, southerly winds. | ||||||||||||
28 | 7.4 | 13.0 | 9.3 | 6.1 | 38 | 110 | South | 1.5 | 14.5 | 992.2 | 1002.9 | +10.7 |
Morning rain clearing by midday and cloud breaking, variable winds tending southerly. | ||||||||||||
29 | 2.4 | 19.9 | 9.3 | 5.9 | 54 | 127 | East Nth East | 0.5 | 0.5 | 990.9 | 1002.9 | -12.0 |
Sunny for much of the day with NE winds turning NW briefly from mid afternoon followed be a strong cool southerly change. Few light showers in the evening. | ||||||||||||
30 | 4.8 | 12.9 | 9.5 | 13.5 | 53 | 282 | South | 0 | 0 | 1001.7 | 1020.5 | +18.8 |
Mostly sunny with a strong cold southerly wind. Cloud increasing and wind easing later in the afternoon. |