April Summary
About average temperature and well above average rainfall (233%).
- April was near my average temperature of 11.9C with 12.3C.
- The warmest is 2006 with 13.8C, the coolest, 2002 with 9.5C.
- The warmest temperature was 29.0C, the highest April temperature I've recorded to date
- The coldest temperature was 3.9C. The lowest April temperature I've recorded was in 2011 with -1.7C.
- No air frosts were recorded (air temperature 0C or below)
- Twenty three days reached or exceeded 15C, my average is 21.
- Fourteen days reached or exceeded 20C, my average is 15.
- Two days reached or exceeded 25C, my average is 1.
- Wind run was 93% of my average of 3758km with 3497km. The windiest April I've recorded was 2005 with 4696km. The least windy April was 2013 with 2910km.
- The barometer recorded above average pressure for the month with 1016.2hPa. My average is 1015.1hPa.
- Rainfall was 233% of my average expected total of 62mm with 145.5mm. 2017 rainfall is now above my long term average.
- The driest April is 2001 with 4.5mm, the wettest is 2014 with 201.5mm.
April 2017 Summary Temperature |
|
---|---|
Mean | 12.3 C |
Mean Maximum | 17.5 C |
Mean Minimum | 7.8 C |
Maximum High | 29.0C (2nd) |
Maximum Low | 13.4 C (1st) |
Minimum High | 11.0 (6th) |
Minimum Low | 3.9 C (30th) |
Wind Speed and Direction | |
Maximum Gust | 60 km/h |
Mean | 5.1 km/h |
Wind Run | 3495 km |
Max Daily Windrun | 428 km (6th) |
Prevailing Direction | East North East |
Barometer | |
Maximum | 1031.9 hPa (9th) |
Minimum | 989.2 hPa (14th) |
Mean | 1016.2 hPa |
Max Daily Change | +18.6 hPa (30th) |
Rainfall | |
Days with Measured Rainfall (0.5mm or more) |
12 |
Max Daily Rainfall | 46 mm (6th) |
Monthly Rainfall | 145.5 mm |
Humidity | |
Maximum | 100 % (Several days) |
Minimum | 31 % (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 | 13.4 | 20.9 | 16.7 | 7.2 | 30 | 164 | East Nth East | 0 | 0 | 1007.4 | 1017.6 | -10.2 |
Cloud breaking in the afternoon, variable winds tending NE. | ||||||||||||
2 | 11.4 | 29.0 | 16.9 | 5.2 | 38 | 122 | East Nth East | 0.5 | 5.0 | 1006.7 | 1021.3 | +14.6 |
Sunny and warm morning, maximum temperature recorded at 10:10am. Light NE winds turning west to SW from late morning and tending cooler southerly in the afternoon. Light rain from evening. | ||||||||||||
3 | 9.3 | 13.1 | 11.0 | 1.6 | 15 | 35 | West | 0.5 | 4.5 | 1020.4 | 1030.2 | +9.8 |
Overcast with light rain and drizzle at times. Light variable breezes tending westerly. | ||||||||||||
4 | 8.9 | 14.3 | 11.0 | 5.0 | 24 | 113 | East | 0.5 | 1.0 | 1027.1 | 1031.7 | -4.6 |
Overcast with morning drizzle and a few light showers during the day. East to NE winds. | ||||||||||||
5 | 8.9 | 12.6 | 10.5 | 1.8 | 23 | 39 | East | 1.5 | 15.5 | 1009.2 | 1026.7 | -17.5 |
Overcast with showers. Light breezes tensing easterly. | ||||||||||||
6 | 8.3 | 11.0 | 9.8 | 18.7 | 54 | 428 | South Sth West | 1.5 | 46.0 | 1003.1 | 1011.0 | +7.9 |
Overcast with with rain and strong cool southerly winds. This was the windiest day since the 8th Sept 2016 which had a wind run of 455km and the wettest day since the 29th April 2014 which had 54mm. | ||||||||||||
7 | 4.2 | 16.9 | 10.7 | 6.5 | 46 | 149 | South Sth West | 0 | 0 | 1010.5 | 1028.6 | +18.1 |
Morning cloud breaking to s sunny day with cool southerly winds. | ||||||||||||
8 | 9.1 | 16.1 | 12.0 | 5.3 | 29 | 120 | East Nth East | 0 | 0 | 1028.9 | 1031.7 | +2.8 |
9 | 4.6 | 17.4 | 11.5 | 3.7 | 24 | 87 | East Nth East | 0 | 0 | 1026.7 | 1031.9 | -5.2 |
Sunny with a few clouds, mostly light NE winds. | ||||||||||||
10 | 6.6 | 18.7 | 12.4 | 4.8 | 22 | 109 | East Nth East | 0 | 0 | 1018.9 | 1026.6 | -7.7 |
High cloud at times, NE winds. | ||||||||||||
11 | 5.3 | 18.6 | 12.2 | 0.4 | 10 | 9 | Light Air | 0.5 | 1.0 | 1014.4 | 1019.0 | -4.6 |
Morning fog lifting to an overcast day with little if any wind. Showers from afternoon. | ||||||||||||
12 | 11.4 | 12.9 | 12.1 | 7.9 | 28 | 180 | South Sth West | 1.0 | 16.0 | 1012.3 | 1015.2 | -2.9 |
Morning rain easing to showers in the afternoon, southerly winds. | ||||||||||||
13 | 11.1 | 14.6 | 12.6 | 2.4 | 17 | 54 | South Sth West | 1.0 | 10.5 | 1004.1 | 1014.2 | -10.1 |
Overcast with light rain at times morning and afternoon. Heavier rain from evening. Light winds tending southerly. | ||||||||||||
14 | 12.4 | 16.0 | 14.0 | 8.2 | 39 | 188 | East Nth East | 2.5 | 32.0 | 989.2 | 1003.9 | -14.7 |
Rain clearing by midday and cloud breaking in the afternoon with southerly winds turning NE. | ||||||||||||
15 | 7.9 | 24.2 | 15.3 | 2.0 | 21 | 44 | East Nth East | 0 | 0 | 990.3 | 1002.3 | +12.0 |
Morning cloud clearing to a mild and sunny afternoon with light breezes tending NE. | ||||||||||||
16 | 7.3 | 17.5 | 12.0 | 4.0 | 20 | 90 | South Sth West | 0.5 | 0.5 | 1002.6 | 1014.8 | +12.2 |
Overcast with light northerly winds in the morning turning cooler southerly. Sunny intervals in the afternoon. Showers in the evening. | ||||||||||||
17 | 7.2 | 15.9 | 11.4 | 0.4 | 9 | 9 | Light Air | 0 | 0 | 1014.1 | 1022.5 | +8.4 |
Overcast with light variable breezes. | ||||||||||||
18 | 6.4 | 16.5 | 11.1 | 3.2 | 21 | 71 | East Nth East | 0.5 | 0.5 | 1022.6 | 1026.7 | +4.1 |
Mostly cloudy, NE winds from late morning. | ||||||||||||
19 | 4.8 | 19.2 | 12.0 | 3.3 | 32 | 75 | South Sth West | 0 | 0 | 1016.1 | 1022.9 | -6.9 |
Sunny and mild. A cooler southerly change in the afternoon with increasing cloud. | ||||||||||||
20 | 4.4 | 15.2 | 10.3 | 4.6 | 36 | 104 | South Sth West | 0 | 0 | 1020.2 | 1027.7 | +7.5 |
Overcast with cool southerly winds. Cloud breaking later in the afternoon and wind dying out. | ||||||||||||
21 | 4.0 | 17.4 | 10.8 | 4.0 | 26 | 91 | East Nth East | 0 | 0 | 1026.6 | 1028.9 | -2.3 |
Clear and sunny, NE winds. | ||||||||||||
22 | 4.5 | 18.3 | 11.5 | 5.0 | 26 | 114 | East Nth East | 0 | 0 | 1027.5 | 1031.6 | -4.1 |
Morning mist clearing. Sunny and mild with cooler NE winds in the afternoon. | ||||||||||||
23 | 6.3 | 21.6 | 12.7 | 2.1 | 15 | 48 | East Nth East | 0 | 0 | 1019.5 | 1027.4 | -7.9 |
Clear and sunny with light NE winds from afternoon. | ||||||||||||
24 | 7.4 | 18.2 | 11.9 | 3.0 | 21 | 70 | East Nth East | 0 | 0 | 1018.8 | 1023.0 | +4.2 |
Morning fog lifting late morning to a sunny day with light NE winds. | ||||||||||||
25 | 9.6 | 16.9 | 12.4 | 4.4 | 25 | 100 | East Nth East | 0 | 0 | 1018.1 | 1022.9 | -4.8 |
Morning cloud breaking to a mostly sunny afternoon, NE winds. | ||||||||||||
26 | 11.8 | 15.8 | 13.0 | 7.6 | 35 | 173 | East Nth East | 0 | 0 | 1013.0 | 1018.6 | -5.6 |
Cloudy for much of the day but cloud breaking later in the afternoon, cool NE winds. | ||||||||||||
27 | 5.8 | 20.5 | 13.0 | 3.4 | 21 | 77 | East Nth East | 0 | 0 | 1008.3 | 1013.6 | -5.3 |
Morning fog clearing to a sunny and mild day with NE winds. High cloud increasing later in the afternoon. | ||||||||||||
28 | 11.6 | 28.2 | 17.8 | 7.8 | 31 | 178 | East Nth East | 0 | 0 | 997.1 | 1010.0 | -12.9 |
Sunny and warm with NE winds turning warm northerly in the afternoon and southerly in the evening. Variable high cloud. | ||||||||||||
29 | 6.5 | 16.2 | 12.0 | 7.0 | 34 | 159 | East Nth East | 0 | 0 | 997.0 | 1010.3 | -13.3 |
Some cloud but mostly sunny with a cool NE wind. | ||||||||||||
30 | 3.9 | 12.6 | 7.9 | 12.2 | 60 | 280 | South Sth West | 2.0 | 12.5 | 992.4 | 1011.0 | +18.6 |
Southerly winds from mid morning and rain from early afternoon, heavy at times easing to showers from evening. |