February 2011 Summary Temperature |
|
---|---|
Mean | 17.8 C |
Mean Maximum | 23.6 C |
Mean Minimum | 13.2 C |
Maximum High | 36.4 C (6th) |
Maximum Low | 19.2 C (6th) |
Minimum High | 15.3 C (27th) |
Minimum Low | 8.9 C (28th) |
Wind Speed and Direction | |
Maximum Gust | 56 km/h (2nd) |
Mean | 8.2 km/h |
Wind Run | 4290 km |
Max Daily Windrun | 270 km (20th) |
Prevailing Direction | East Nth East |
Barometer | |
Maximum | 1031.0 hPa (16th) |
Minimum | 997.2 hPa (2nd) |
Mean | 1014.2 hPa |
Max Daily Change | +20.4 hPa (2nd) |
Rainfall | |
Days with Measured Rainfall (Greater than 0.2mm) |
8 |
Max Daily Rainfall | 15.0 mm (7th) |
Monthly Rainfall | 20.0 mm |
Humidity | |
Maximum |
95 % 12th) |
Minimum | 25 % (1st) |
February Daily Observations | ||||||||||||
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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 | 9.3 | 25.6 | 17.7 | 6.0 | 34 | 138 | East Nth East | 0 | 0 | 1006.2 | 1014.7 | -8.5 |
Mostly sunny with some cloud later in the afternoon. Southerly winds turning NE from midday. |
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2 | 15.8 | 31.9 | 21.3 | 11.3 | 56 | 258 | East Nth East | 0 | 0 | 997.2 | 1017.6 | +20.4 |
Very warm NW winds til midday then a cooler southerly change. Another change to NE early evening. Variable cloud during the day. | ||||||||||||
3 | 14.3 | 19.3 | 16.5 | 10.7 | 44 | 245 | East Nth East | 0.5 | 0.5 | 1001.2 | 1017.5 | -16.3 |
Sunny morning, becoming overcast in the afternoon. Fresh NE wind easing in the evening with light showers. | ||||||||||||
4 | 14.4 | 21.8 | 18.0 | 10.7 | 45 | 246 | East Nth East | 0 | 0 | 1001.8 | 1013.5 | +11.7 |
Sunny with fresh NE winds easing in the evening. | ||||||||||||
5 | 14.5 | 23.9 | 18.1 | 5.0 | 24 | 113 | East Nth East | 0 | 0 | 1008.8 | 1015.2 | -6.4 |
Overcast morning, cloud breaking after midday with sunny intervals, NE winds mostly light during the day. | ||||||||||||
6 | 19.2 | 36.4 | 28.6 | 8.2 | 44 | 189 | East Nth East | 0 | 0 | 1001.0 | 1008.8 | -7.8 |
Hot with north to NW winds from midday continuing all evening, thin high cloud for most of the day. | ||||||||||||
7 | 11.8 | 28.2 | 15.1 | 9.6 | 45 | 220 | South Sth West | 1.0 | 15.0 | 999.8 | 1012.9 | +13.1 |
Max temperature for the day recorded at 1am prior to a southerly change arriving about 2am. Cool with showers during the day, minimum temperature recorded at 6:30pm. | ||||||||||||
8 | 12.3 | 25.9 | 18.2 | 6.5 | 25 | 157 | East Nth East | 0.5 | 0.5 | 997.8 | 1008.9 | -11.1 |
Showers clearing by dawn. Cloud clearing to a sunny day with light winds. | ||||||||||||
9 | 10.1 | 20.6 | 14.5 | 9.5 | 36 | 217 | South Sth West | 0.5 | 1.0 | 1001.3 | 1020.0 | +18.7 |
Morning showers with a southerly change. Cloud clearing in the afternoon with NE winds. | ||||||||||||
10 | 8.9 | 25.6 | 16.8 | 4.6 | 26 | 106 | East Nth East | 0 | 0 | 1016.6 | 1026.6 | +10.0 |
Clear and sunny, light variable winds in the morning tending NE in the afternoon. | ||||||||||||
11 | 9.1 | 19.0 | 14.9 | 10.2 | 45 | 234 | East Nth East | 0.5 | 0.5 | 1021.8 | 1027.7 | -5.9 |
Variable cloud, increasing from late afternoon with evening showers. | ||||||||||||
12 | 15.5 | 28.3 | 20.7 | 9.4 | 34 | 216 | East Nth East | 0 | 0 | 1008.8 | 1021.6 | -12.8 |
Mild NE winds turning nor'west in the afternoon with increasing cloud. | ||||||||||||
13 | 15.1 | 23.4 | 18.0 | 4.9 | 24 | 112 | East Nth East | 0.5 | 0.5 | 1009.5 | 1019.7 | -10.2 |
Early showers clearing by dawn. Mostly cloudy with southerly winds turning NE from midday. A few spots of rain later in the afternoon. | ||||||||||||
14 | 14.0 | 20.1 | 16.5 | 9.8 | 44 | 226 | South Sth West | 0.5 | 0.5 | 1007.9 | 1023.3 | +15.4 |
Morning showers and drizzle. Cloud breaking in the afternoon and southerly winds easing late afternoon. | ||||||||||||
15 | 9.6 | 21.3 | 16.0 | 5.0 | 24 | 114 | East Nth East | 0 | 0 | 1023.3 | 1029.6 | +6.5 |
Morning cloud clearing to a sunny afternoon, NE winds. | ||||||||||||
16 | 11.5 | 21.6 | 16.7 | 5.9 | 30 | 136 | East nth East | 0 | 0 | 1028.7 | 1031.0 | +2.3 |
Clear and sunny with NE winds. | ||||||||||||
17 | 14.2 | 20.3 | 16.7 | 11.4 | 44 | 263 | East Nth East | 0 | 0 | 1023.2 | 1029.7 | -6.5 |
Some cloud early morning and late afternoon. Fresh NE wind. | ||||||||||||
18 | 15.6 | 22.8 | 18.1 | 10.1 | 37 | 233 | East Nth East | 0 | 0 | 1014.5 | 1023.0 | -8.5 |
High cloud with sunny breaks, NE wind easing in the evening. | ||||||||||||
19 | 14.7 | 19.7 | 16.8 | 7.8 | 26 | 177 | South West | 0 | 0 | 1019.3 | 1023.3 | +4.4 |
Overcast with low cloud around the port hills, a few spots of drizzle at times. Mostly light southerly winds. | ||||||||||||
20 | 14.8 | 20.8 | 17.4 | 11.8 | 44 | 270 | East Nth East | 0 | 0 | 1009.5 | 1021.4 | -11.9 |
Some cloud but mostly sunny from afternoon. Fresh NE wind. | ||||||||||||
21 | 15.9 | 25.9 | 20.4 | 8.9 | 31 | 204 | East Nth East | 0 | 0 | 999.6 | 1009.2 | -9.6 |
Sunny and warm, some cloud from mid afternoon, NE winds. | ||||||||||||
22 | ||||||||||||
A 6.3 earthquake hit Christchurch causing severe damage to the city and loss of life. Power lost. | ||||||||||||
23 | ||||||||||||
24 | ||||||||||||
25 | ||||||||||||
26 | ||||||||||||
27 | ||||||||||||
Power restored late afternoon. Sunny morning, cloud increasing in the afternoon, NE winds. | ||||||||||||
28 | 8.9 | 27.2 | 16.9 | 3.3 | 22 | 75 | East Nth East | 0 | 0 | 1008.2 | 1011.9 | +3.7 |
Morning fog. High cloud with sunny intervals, light winds |