| October 2011 Summary Temperature |
|
|---|---|
| Mean | 11.5 C |
| Mean Maximum | 16.3 C |
| Mean Minimum | 7.6 C |
| Maximum High | 26.9 C (31st) |
| Maximum Low | 11.9 C (2nd) |
| Minimum High | 8.4 C (4th) |
| Minimum Low | -0.6 C (9th) |
| Wind Speed and Direction | |
| Maximum Gust | 61 km/h (19th) |
| Mean | 7.9 km/h |
| Wind Run | 5631 km |
| Max Daily Windrun | 440 km (19th) |
| Prevailing Direction | East Nth East |
| Barometer | |
| Maximum | 1029.5 hPa (27th) |
| Minimum | 995.9 hPa (18th) |
| Mean | 1013.0 hPa |
| Max Daily Change | +25.6 hPa (26th) |
| Rainfall | |
| Days with Measured Rainfall (Greater than 0.2mm) |
10 |
| Max Daily Rainfall | 57.5 mm (19th) |
| Monthly Rainfall | 101.5 mm |
| Humidity | |
| Maximum |
100 % (Several days) |
| Minimum | 33 % (1st) |
| October 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 | 8.8 | 19.3 | 13.7 | 9.0 | 34 | 208 | East Nth East | 0 | 0 | 1009.7 | 1016.1 | -6.4 |
| Cloud increasing during the day with mild NE winds. | ||||||||||||
| 2 | 11.9 | 22.9 | 16.2 | 5.8 | 26 | 133 | East Nth East | 0 | 0 | 1005.8 | 1009.7 | -3.9 |
| Cloud increasing during the day, mild north to NE winds. | ||||||||||||
| 3 | 8.4 | 13.6 | 11.0 | 8.4 | 32 | 192 | South Sth West | 0.5 | 4.5 | 1006.8 | 1011.3 | +4.5 |
| Cloudy with morning showers clearing in the afternoon but returning in the evening. | ||||||||||||
| 4 | 6.6 | 8.4 | 7.3 | 9.1 | 31 | 207 | South Sth West | 1.0 | 19.0 | 1009.5 | 1017.0 | +7.5 |
| Cold with light rain in the morning, showers in the afternoon. southerly winds. | ||||||||||||
| 5 | 6.0 | 9.4 | 7.5 | 3.6 | 23 | 82 | South Sth West | 0.5 | 0.5 | 1017.1 | 1022.2 | +5.1 |
| Overcast with light southerly winds. | ||||||||||||
| 6 | 5.6 | 13.4 | 9.0 | 3.6 | 21 | 81 | East Nth East | 0 | 0 | 1008.1 | 1021.7 | -13.6 |
| Variable cloud, NE winds from mid morning. | ||||||||||||
| 7 | 4.1 | 13.6 | 9.1 | 4.6 | 28 | 106 | South Sth West | 0 | 0 | 1007.8 | 1011.4 | +3.6 |
| Morning mist. Overcast but a few sunny breaks in the afternoon, cool southerly wind. | ||||||||||||
| 8 | 1.7 | 11.0 | 7.5 | 7.8 | 49 | 179 | South Sth West | 1.0 | 6.5 | 1008.0 | 1019.5 | +11.5 |
| Southerly change in the morning with rain clearing in the afternoon and becoming fine. Southerly winds easing in the evening. | ||||||||||||
| 9 | -0.6 | 15.7 | 7.5 | 4.2 | 29 | 97 | East Nth East | 0 | 0 | 1017.8 | 1020.4 | -2.6 |
| Some cloud but mostly sunny. Variable breezes in the morning turning to a cool NE wind in the afternoon. | ||||||||||||
| 10 | 7.3 | 13.9 | 10.5 | 13.8 | 54 | 317 | East Nth East | 0 | 0 | 1009.4 | 1018.4 | -9.0 |
| Cloud increasing in the afternoon, fresh to strong NE wind. | ||||||||||||
| 11 | 10.8 | 16.0 | 13.1 | 13.4 | 52 | 308 | East Nth East | 0.5 | 2.0 | 1004.0 | 1009.2 | -5.2 |
| Early morning showers clearing before dawn. Strong NE winds easing during the day and turning milder northerly by evening. Max temperature of 16C was recorded at 7:10pm. | ||||||||||||
| 12 | 8.3 | 23.2 | 15.4 | 5.1 | 31 | 116 | East Nth East | 0 | 0 | 1004.6 | 1009.3 | -4.7 |
| High cloud breaking in the afternoon. Mild north to NE winds. | ||||||||||||
| 13 | 9.2 | 18.0 | 12.8 | 7.1 | 26 | 162 | South West | 0 | 0 | 1005.1 | 1008.7 | -3.6 |
| Morning cloud clearing to a sunny afternoon with light southerly winds. | ||||||||||||
| 14 | 7.3 | 11.5 | 8.8 | 11.0 | 36 | 250 | South Sth West | 0 | 0 | 1005.5 | 1014.4 | +8.9 |
| Overcast with cool southerly winds, some drizzle from later afternoon. | ||||||||||||
| 15 | 6.4 | 13.5 | 8.1 | 8.3 | 30 | 180 | South Sth West | 0.5 | 0.5 | 1013.1 | 1017.0 | +3.9 |
| Morning showers clearing by midday, cloud breaking to a mostly sunny afternoon. | ||||||||||||
| 16 | 6.8 | 17.0 | 9.8 | 4.5 | 29 | 104 | East Nth East | 0 | 0 | 1015.7 | 1017.8 | -2.1 |
| Morning cloud breaking to a sunny afternoon with southerly winds turning cool NE. | ||||||||||||
| 17 | 8.4 | 18.3 | 12.9 | 11.7 | 41 | 269 | East Nth East | 0 | 0 | 996.2 | 1015.5 | -19.3 |
| Morning cloud clearing to a sunny day, becoming overcast from late afternoon. NE winds, fresh for a time. | ||||||||||||
| 18 | 7.3 | 14.0 | 10.2 | 12.2 | 52 | 275 | South West | 0.5 | 0.5 | 995.9 | 1002.0 | +6.1 |
| Mosly overcast but a few breaks in the cloud at times. Strong cool southerly wind. | ||||||||||||
| 19 | 6.9 | 9.4 | 8.1 | 19.2 | 61 | 440 | South Sth West | 2.0 | 57.5 | 1003.3 | 1014.0 | +13.7 |
| Overcast with heavy rain and strong southerly winds for much of the day. Some flooding in Christchurch and surrounding areas. The wettest day since the 26th May 2010 which also had 57.5mm. | ||||||||||||
| 20 | 4.9 | 15.8 | 10.7 | 4.6 | 27 | 106 | East Nth East | 0 | 0 | 1006.2 | 1014.4 | -8.2 |
| Mostly cloudy with NE winds. | ||||||||||||
| 21 | 8.7 | 18.5 | 12.6 | 6.3 | 30 | 143 | East Nth East | 0.5 | 8.5 | 1006.2 | 1016.0 | +9.8 |
| Morning cloud breaking for a while in the afternoon. Rain from early evening with a southerly change. | ||||||||||||
| 22 | 8.3 | 15.7 | 11.0 | 5.6 | 28 | 127 | East Nth East | 0 | 0 | 1015.7 | 1019.2 | -3.5 |
| Cloud breaking in the afternoon but returning in the evening. NE winds in the afternoon. | ||||||||||||
| 23 | 9.8 | 17.7 | 12.5 | 7.5 | 31 | 173 | East Nth East | 0 | 0 | 1016.8 | 1020.6 | +3.8 |
| Mostly sunny, some cloud morning and evening. NE winds. | ||||||||||||
| 24 | 9.9 | 21.6 | 15.7 | 9.2 | 43 | 211 | East Nth East | 0 | 0 | 1000.4 | 1018.5 | -18.1 |
| Some high cloud increasing during the afternoon. NE wids turning mild nor'west later in the afternoon. The max temperature of 21.6C recorded at 5:30pm. | ||||||||||||
| 25 | 10.0 | 18.2 | 13.6 | 11.1 | 51 | 256 | East Nth East | 0 | 0 | 1000.2 | 1012.5 | -12.3 |
| Mild north to NW winds early morning. Morning cloud breaking to a mostly sunny afternoon with fresh NE winds. Maximum temperature recorded at 2:10am. | ||||||||||||
| 26 | 7.8 | 14.5 | 10.5 | 6.9 | 34 | 157 | South Sth West | 0.5 | 1.5 | 999.6 | 1025.2 | +25.6 |
| Overcast with morning rain and evening drizzle. Southerly winds easing and turning light northerly late afternoon. | ||||||||||||
| 27 | 6.9 | 14.4 | 10.5 | 6.5 | 39 | 148 | East Nth East | 0 | 0 | 1025.3 | 1029.5 | +4.2 |
| Morning cloud breaking and clearing to a sunny day with cool NE winds. | ||||||||||||
| 28 | 8.6 | 16.1 | 11.8 | 6.8 | 28 | 156 | East Nth East | 0 | 0 | 1024.5 | 1028.3 | -3.8 |
| Broken cloud with NE winds. Overcast in the evening with some drizzle. | ||||||||||||
| 29 | 9.7 | 21.4 | 14.6 | 6.3 | 26 | 144 | East Nth East | 0 | 0 | 1015.7 | 1024.4 | -8.7 |
| Morning cloud breaking and clearing in the afternoon. Mild in the evening with northerly breezes. The max temperature of 21.4C recorded at 6:20pm. | ||||||||||||
| 30 | 9.7 | 22.2 | 15.1 | 6.6 | 35 | 149 | East Nth East | 0 | 0 | 1017.7 | 1024.7 | +7.0 |
| Earth light southerly wind turning mild northerly then cooler NE in the afternoon. Becoming overcast with high cloud from early afternoon. | ||||||||||||
| 31 | 11.6 | 26.9 | 18.0 | 6.1 | 34 | 140 | East Nth East | 0 | 0 | 1010.1 | 1021.5 | -11.4 |
| Variable high cloud during the day, mostly sunny. Cloud increasing from late afternoon. Mild NE winds in the morning turning warmer nor'west in the afternoon. | ||||||||||||
