My June
Temperature: A mean temperature of 4.9C, it was the coldest June I've recorded. 2001 came very close with a mean of 5.1C but the temperature sensor I was using at the the time was reading low so its not quite comparable. The warmest June I've recorded was 2004 with a mean temperature of 8.4C. The warmest day was the 11th with 18.9C and warm north to nor'west winds. Coldest temperature was -3.4C with a frosty morning on the 27th.
Wind: The monthly wind run of 2840km is the lowest of the 4 Junes I have records for. The windiest June was 2003 with a wind run of 3795km. Prevailing wind direction was south recorded 45% of the month, north east 24%, south west 19%, north 16%. Maximum gust was 64km/h from the south on the 4th. Three days were recorded as Light Air where there was little wind from any particular direction.
Rainfall: 56mm recorded on the 12th where rain turned to snow about 6:40am. Snow gradually melted in the rain gauge and was recorded as rain. Total for the month was 118.6mm making tis June the wettest I've recorded since starting my station in 2000. Only June 2002 has exceeded 100mm at my station with 115.2mm.
Barometer: The highest pressure for the month was recorded on the 26th with 1032.3hPa, the lowest 986.1hPa on the 16th. No previous barometer history to compare this with.
| June 2006 Summary Temperature |
|
|---|---|
| Mean | 4.9 C |
| Mean Maximum | 10.3 C |
| Mean Minimum | 0.6 C |
| Maximum High | 18.9 C (11th) |
| Maximum Low | 9.4 C (11th) |
| Minimum High | 5.9 C (19th) |
| Minimum Low | -3.4 C (27th) |
| Wind Speed and Direction | |
| Maximum Gust | 64 km/h (12th) |
| Mean | 4.1 km/h |
| Wind Run | 2840 km |
| Max Daily Windrun | 296 km (4th) |
| Prevailing Direction | South |
| Barometer | |
| Maximum | 1032.3 hPa (26th) |
| Minimum | 986.1 hPa (16th) |
| Mean | 1016.9 hPa |
| Max Daily Change | +19.6 hPa (13th) |
| Rainfall | |
| Days with Measured Rainfall (Greater than 0.2mm) | 12 |
| Max Daily Rainfall | 56.0 mm (12th) |
| Monthly Rainfall | 118.6 mm |
| Humidity | |
| Maximum | 99 % (several days) |
| Minimum | 40 % (9th) |
| June 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 | 3.3 | 12.2 | 7.3 | 1.3 | 17 | 32 | South East | 0 | 0 | 1024.1 | 1027.0 | -2.9 |
| Cloud breaking in the afternoon with light southerly breezes. | ||||||||||||
| 2 | 7.4 | 9.3 | 8.2 | 4.2 | 24 | 99 | North East | 0.4 | 1.8 | 1019.6 | 1025.3 | -5.7 |
| Cloudy with drizzle morning and late afternoon. Cool NE breezes. | ||||||||||||
| 3 | 8.5 | 12.7 | 10.4 | 8.3 | 28 | 195 | North East | 0 | 0 | 1001.6 | 1019.5 | -17.9 |
| Broken cloud in the morning but high cloud increasing from midday. NE winds. | ||||||||||||
| 4 | 4.6 | 12.5 | 9.5 | 12.6 | 64 | 296 | South | 1.0 | 9.8 | 994.6 | 1006.5 | +11.9 |
| Cloudy with a southerly change mid morning and light rain by midday. Winds picking up in the evening with hail showers and colder temperatures. | ||||||||||||
| 5 | -1.2 | 7.9 | 3.4 | 10.0 | 56 | 235 | South | 0.4 | 1.8 | 1007.1 | 1016.8 | +9.7 |
| Snow overnight on the Port Hills. Sunny with a cool southerly wind. | ||||||||||||
| 6 | -1.5 | 14.3 | 5.0 | 0.2 | 8 | 6 | Light Air | 0 | 0 | 1016.9 | 1021.2 | +4.3 |
| Morning cloud melting most overnight frost by dawn. Sunny with little wind. | ||||||||||||
| 7 | 0.6 | 14.7 | 5.4 | 0.5 | 10 | 12 | North | 0 | 0 | 1020.2 | 1026.0 | +5.8 |
| Some thin high cloud but a sunny day with little wind. | ||||||||||||
| 8 | 0.7 | 12.2 | 5.7 | 2.5 | 21 | 57 | North East | 0 | 0 | 1020.5 | 1026.1 | -5.6 |
| Some high cloud with the sun managing to shine through it. Cool NE wind in the afternoon. | ||||||||||||
| 9 | -0.9 | 15.0 | 6.2 | 0.9 | 13 | 22 | South | 0.2 | 0.2 | 1016.3 | 1020.7 | -4.4 |
| Some early fog clearing before dawn. Mostly sunny with some high cloud. Light breezes. | ||||||||||||
| 10 | 0.1 | 15.5 | 6.1 | 1.3 | 15 | 31 | North | 0 | 0 | 1013.9 | 1018.4 | -4.5 |
| Some high cloud but mostly sunny with light north to NE breezes. | ||||||||||||
| 11 | 9.4 | 18.9 | 13.2 | 5.5 | 33 | 69 | North | 0 | 0 | 996.3 | 1009.0 | -12.7 |
| Due to some problems with the weather station, the full 24 hours was not recorded. High cloud with some sun in the afternoon. Warm north to nor'west winds. | ||||||||||||
| 12 | -0.1 | 9.9 | 2.0 | 8.8 | 41 | 207 | South | 1.6 | 56 | 987.0 | 995.9 | -8.9 |
| Rain turning to snow about 6:40am here and falling until about 3pm with about 3cm. Max daytime temperature was 1.0C, with 9.9C recorded at midnight. Schools closed along with the airport. SH1 south closed. Ashburton and Timaru have the biggest snowfalls in 30 years. | ||||||||||||
| 13 | -2.9 | 7.2 | 2.8 | 9.5 | 48 | 225 | South | 0.2 | 0.2 | 995.2 | 1014.8 | +19.6 |
| Early morning southerly front with gusty winds but little rain. Some hail and sleet reported during the morning. Cloud clearing in the afternoon and winds dropping for a frosty evening. | ||||||||||||
| 14 | -3.2 | 10.9 | 2.5 | 1.4 | 15 | 35 | North East | 0 | 0 | 1004.5 | 1014.4 | -9.9 |
| Frost. Sunny with north the nor'est breezes, some high cloud. | ||||||||||||
| 15 | 0.7 | 12.1 | 6.3 | 4.7 | 34 | 102 | North East | 0 | 0 | 999.3 | 1007.9 | 8.6 |
| Some high cloud but a mostly sunny day with cool NE winds. | ||||||||||||
| 16 | 4.4 | 12.7 | 8.5 | 6.8 | 38 | 115 | North | 1.0 | 3.4 | 986.1 | 992.2 | +6.1 |
| Morning rain from the north clearing late morning then sunny for a time before cloud increasing from the south. North to nor'west winds turning to a southerly breeze in the evening. (Note: Missing data from midnight to 6:30am due to a problem with the weather station) | ||||||||||||
| 17 | -2.7 | 9.0 | 3.3 | 2.9 | 22 | 56 | South west | 0 | 0 | 992.7 | 1004.7 | +12.0 |
| Sunny after the clearance of morning cloud. Cold southerly breeze. | ||||||||||||
| 18 | -3.0 | 7.1 | 2.9 | 4.1 | 24 | 98 | South | 0.4 | 1.6 | 999.4 | 1016.3 | +16.9 |
| Overcast with light showers turning heavier toward evening. Cold southerly breeze. | ||||||||||||
| 19 | -1.7 | 5.9 | 3.1 | 4.5 | 24 | 105 | South | 0.2 | 1.4 | 1016.7 | 1027.9 | +11.2 |
| Cloudy with showers and a cold southerly breeze. Cloud clearing in the evening with frost developing. Coldest max daily temperature of the year to date. | ||||||||||||
| 20 | -3.1 | 8.0 | 2.5 | 4.1 | 24 | 96 | North East | 0.2 | 0.2 | 1012.3 | 1027.7 | -15.4 |
| Morning frost, clear skies, cool NE winds. | ||||||||||||
| 21 | 0.1 | 6.0 | 3.2 | 4.9 | 34 | 115 | South | 0.4 | 3.6 | 1011.0 | 1020.3 | +9.3 |
| Overcast with showers, some with hail in the afternoon and evening. Cold southerly winds. | ||||||||||||
| 22 | 0.5 | 6.1 | 2.9 | 6.3 | 38 | 148 | South | - | 13.4 | 1020.2 | 1026.2 | 6.0 |
| Morning show showers with snow settling in the street for a time and more on the Port Hills. Rain showers in the afternoon with cold southerly winds. | ||||||||||||
| 23 | 4.3 | 8.9 | 5.9 | 6.9 | 25 | 164 | South | 1.4 | 20 | - | - | - |
| Morning rain easing to showers with a cold southerly wind. | ||||||||||||
| 24 | 3.5 | 8.4 | 5.5 | 0.9 | 11 | 22 | South | 0.2 | 0.2 | 1026.6 | 1029.0 | -2.4 |
| Cloudy and cool with little wind. | ||||||||||||
| 25 | -2.7 | 8.8 | 1.9 | 0.6 | 7 | 14 | Light Air | 0.2 | 0.2 | 1027.5 | 1030.5 | +3.0 |
| Frost. Sunny with little wind. | ||||||||||||
| 26 | -2.0 | 8.1 | 2.6 | 0.9 | 9 | 21 | Liight Air | 0 | 0 | 1030.1 | 1032.3 | -2.2 |
| Frost. Cloud increasing early morning and remaining overcast for the day. Little wind. | ||||||||||||
| 27 | -3.4 | 8.5 | 3.4 | 3.4 | 21 | 81 | North | 0 | 0 | 1028.1 | 1032.0 | -3.9 |
| Frost, sunny with light winds. Cloud increasing in the evening. | ||||||||||||
| 28 | -1.8 | 9.4 | 3.5 | 1.9 | 21 | 46 | North | 0 | 0 | 1021.4 | 1027.9 | -6.5 |
| Frost, sunny with light northerly breezes. | ||||||||||||
| 29 | -2.3 | 6.8 | 2.6 | 3.2 | 18 | 77 | South | 0.6 | 4.0 | 1021.5 | 1029.9 | +8.4 |
| Frost, cloud increasing from early morning. Some rain at night. Light southerly winds. | ||||||||||||
| 30 | 1.2 | 9.9 | 5.2 | 1.8 | 15 | 44 | West | 0.2 | 0.6 | 1028.4 | 1030 | -2.1 |
| Early morning rain clearing by dawn, Sunny but some afternoon cloud. Light breezes. | ||||||||||||
