May matched my average temperature of 9.2C. It was wetter with 129% of average rainfall. Wind and barometer were close to average for the month.
- Temperature equalled my average, 4 air frosts were recorded also equalling my average, 1 day had a maximum temperature of 10C or less, my average is 3. Nine days reached or exceeded 15C, my average is 9, 1 day reached or exceeded 20C, my average is 2.
- Wind run below average (3940) with 3460 km.
- The barometer recorded close to average pressure (1012.7) for the month with 1011.8hPa.
- Rainfall for the month was 129% of average (86mm) with 111mm.
| May 2013 Summary Temperature | |
|---|---|
| Mean | 9.2 C |
| Mean Maximum | 14.0 C |
| Mean Minimum | 5.2 C |
| Maximum High | 21.4 C (12th) |
| Maximum Low | 11.7 C (5th) |
| Minimum High | 7.3 C (28th) |
| Minimum Low | -2.0 C (30th) |
| Wind Speed and Direction | |
| Maximum Gust | 54 km/h (6th) |
| Mean | 5.0 km/h |
| Wind Run | 3460 km |
| Max Daily Windrun | 382 km (6th) |
| Prevailing Direction | East Nth East |
| Barometer | |
| Maximum | 1029.9 hPa (11th) |
| Minimum | 987.5 hPa (26th) |
| Mean | 1011.8 hPa |
| Max Daily Change | +21.5 hPa (10th) |
| Rainfall | |
| Days with Measured Rainfall (Greater than 0.2mm) |
17 |
| Max Daily Rainfall | 45.5 mm (6th) |
| Monthly Rainfall | 111.0 mm |
| Humidity | |
| Maximum | 100 % (Several Days) |
| Minimum | 32 % (26th) |
| May 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 | 2.4 | 14.1 | 8.6 | 5.4 | 28 | 123 | East Nth East | 0.5 | 0.5 | 1016.5 | 1024.1 | -7.6 |
| Morning frost. Clear and sunny with NE winds. | ||||||||||||
| 2 | 6.6 | 13.5 | 9.6 | 3.4 | 24 | 75 | East Nth East | 0.5 | 2.0 | 1008.2 | 1016.1 | -7.9 |
| Overcast with light rain or showers throughout the day. Light winds, NE in the morning turning southerly in the afternoon. | ||||||||||||
| 3 | 7.6 | 14.4 | 10.0 | 4.7 | 29 | 107 | Souht Sth West | 0.5 | 1.0 | 1014.6 | 1020.7 | +6.1 |
| Overcast in the morning with southerly breezes. Winds turning NE in the afternoon with cloud breaking. | ||||||||||||
| 4 | 11.1 | 16.4 | 13.6 | 9.0 | 31 | 207 | East Nth East | 0 | 0 | 996.0 | 1014.3 | -18.3 |
| Mostly sunny morning, cloud increasing from midday, NE winds. | ||||||||||||
| 5 | 11.7 | 17.6 | 13.5 | 7.2 | 34 | 165 | East Nth East | 0.5 | 1.0 | 989.0 | 995.4 | -6.4 |
| Some cloud but mostly sunny til early afternoon. Becoming overcast with NE winds turning southerly around midday. A few spots of rain in the evening becoming heavier later. | ||||||||||||
| 6 | 6.6 | 11.8 | 8.6 | 16.8 | 54 | 382 | South Sth West | 2.0 | 45.5 | 993.5 | 1014.8 | +21.3 |
| Rain with strong cold southerly winds. Rain easing to showers in the afternoon and winds easing in the evening. | ||||||||||||
| 7 | 2.1 | 13.0 | 7.4 | 1.0 | 14 | 20 | South Sth West | 0.5 | 0.5 | 1015.2 | 1024.7 | +9.5 |
| Early showers and cloud clearing by mid morning to a sunny day with light breezes. | ||||||||||||
| 8 | -0.8 | 13.9 | 6.8 | 2.0 | 19 | 46 | East Nth East | 0 | 0 | 1022.7 | 1026.0 | -3.3 |
| Morning frost. Clear and sunny with light NE winds. | ||||||||||||
| 9 | 1.9 | 13.5 | 7.8 | 2.2 | 19 | 51 | South West | 0 | 0 | 1001.2 | 1022.6 | -21.4 |
| Fog finally clearing around midday which cancelled flights at the airport. Light southerly breezes in the morning turning NE in the afternoon. Becoming overcast by late afternoon. | ||||||||||||
| 10 | 4.2 | 11.1 | 8.0 | 12.1 | 51 | 275 | South Sth West | 0.5 | 2.0 | 1003.1 | 1024.6 | +21.5 |
| Showers, mostly in the morning with strong cold southerly winds for a time. Winds easing in the afternoon and showers clearing by evening. | ||||||||||||
| 11 | 3.5 | 12.8 | 7.9 | 3.6 | 24 | 82 | South Sth West | 0 | 0 | 1024.4 | 1029.9 | +5.5 |
| Sunny with light sourherly breezes. | ||||||||||||
| 12 | 3.5 | 21.4 | 11.0 | 2.5 | 21 | 55 | East Nth East | 0 | 0 | 1025.7 | 1029.8 | -4.1 |
| Clear and sunny with mild temperatures from midday. Light breezes tending NE. | ||||||||||||
| 13 | 7.8 | 11.8 | 10.4 | 4.1 | 24 | 94 | East Nth East | 0 | 0 | 1020.8 | 1028.6 | -7.8 |
| Dull with low cloud all day, drizzle at times. | ||||||||||||
| 14 | 6.1 | 15.9 | 11.2 | 3.7 | 18 | 84 | East Nth East | 0 | 0 | 1012.9 | 1020.7 | -7.8 |
| Broken cloud with some sunny intervals, NE winds. Fog in the evening. | ||||||||||||
| 15 | 3.4 | 15.7 | 9.2 | 1.7 | 19 | 39 | East Nth East | 0 | 0 | 1014.8 | 1019.0 | +4.2 |
| Few clouds, light NE winds. | ||||||||||||
| 16 | 8.2 | 14.2 | 11.4 | 6.6 | 33 | 150 | East Nth East | 0 | 0 | 1011.2 | 1018.0 | -6.8 |
| Overcast with NE winds. | ||||||||||||
| 17 | 7.3 | 16.4 | 12.1 | 2.4 | 19 | 55 | East Nth East | - | 5.0 | 1005.2 | 1011.7 | -6.5 |
| Overcast with showers from mid afternoon. NE winds turning southerly from evening. | ||||||||||||
| 18 | 10.6 | 12.0 | 11.1 | 9.0 | 26 | 176 | South Sth West | - | 4.0 | 998.3 | 1005.2 | -6.9 |
| Overcast with cool southerly winds. Drizzle at times. | ||||||||||||
| 19 | 10.5 | 12.2 | 11.1 | 1.1 | 15 | 21 | South Sth West | - | 9.0 | 998.8 | 1004.7 | +5.9 |
| Light rain or drizzle for most of the day, light breezes. Rain total seems low, need to check the rain gauge when I can get access. (Spider in the weather station rain gauge has reduced totals over the past 3 days. 15mm total from fence mounted rain gauge) | ||||||||||||
| 20 | 7.5 | 14.4 | 10.6 | 1.3 | 16 | 29 | East Nth East | 0 | 0 | 1003.6 | 1007.8 | +4.2 |
| Broken cloud with some sunny intervals, light NE breezes. | ||||||||||||
| 21 | 10.3 | 12.9 | 11.6 | 5.4 | 30 | 123 | East Nth East | - | 5.0 | 1003.4 | 1009.0 | -5.6 |
| Overcast with low cloud, showers and NE winds | ||||||||||||
| 22 | 8.9 | 14.9 | 11.7 | 2.9 | 23 | 65 | East Nth East | - | 7.0 | 995.4 | 1003.7 | -8.3 |
| Showers clearing in the morning. Cloud breaking at times and a few sunny intervals. NE winds. | ||||||||||||
| 23 | 6.4 | 11.8 | 9.4 | 12.4 | 45 | 280 | South Sth West | - | 2.0 | 995.6 | 1011.6 | +16.0 |
| Showers with some sunny breaks, cold southerly winds. | ||||||||||||
| 24 | 3.3 | 13.2 | 7.5 | 1.9 | 15 | 42 | East Nth East | - | 2.0 | 1011.8 | 1018.0 | +6.2 |
| Morning cloud clearing to a sunny day. Variable breezes in the morning tending NE in the afternoon. | ||||||||||||
| 25 | 4.4 | 18.2 | 9.5 | 2.9 | 17 | 63 | East Nth East | 0 | 0 | 999.4 | 1013.3 | -13.9 |
| Clear and sunny with light breezes tending NE. | ||||||||||||
| 26 | 3.7 | 19.2 | 11.0 | 6.4 | 41 | 145 | North Nth West | 0 | 0 | 987.5 | 999.6 | -12.1 |
| Sunny with NE winds tending north to NW in the afternoon. | ||||||||||||
| 27 | 2.9 | 10.5 | 6.9 | 4.7 | 45 | 105 | South Sth West | 0.5 | 1.5 | 990.0 | 998.9 | +8.9 |
| Cloud increasing and becoming overcast by midday. Light variable breezes for much of the day, strong colder southerly arriving in the eveing with a few showers. | ||||||||||||
| 28 | 0.9 | 7.3 | 3.0 | 12.0 | 51 | 270 | South Sth West | 1.0 | 16.5 | 998.9 | 1016.1 | +17.2 |
| Very cold southerly winds increasing from morning with showers of hail and sleet in the afternoon. | ||||||||||||
| 29 | 0.0 | 11.8 | 4.5 | 2.9 | 39 | 65 | South Sth West | 0.5 | 6.5 | 1016.7 | 1025.3 | +8.6 |
| Showers clearing by dawn, broken cloud clearing by evening, light breezes tending southerly. | ||||||||||||
| 30 | -2.0 | 12.6 | 4.5 | 1.5 | 15 | 34 | East Nth East | 0 | 0 | 1025.1 | 1028.7 | -3.6 |
| Morning frost. Clear and sunny with light breezes tending NE. | ||||||||||||
| 31 | -0.2 | 16.1 | 7.0 | 0.8 | 15 | 18 | East Nth East | 0 | 0 | 1020.8 | 1025.7 | -4.9 |
| high cloud thickening from mid afternoon, light breezes tending NE. | ||||||||||||
