Temperature:
The mean temperature for the month was 15.1C, above my March average of 14.5C. The warmest March was 2007. 15.9C, the coldest, 2006 with 12.9C.
The warmest day was the 4th with 30.4C, my March station record is 31.8C in 2007. The minimum was 3.2C on the 28th. My coldest March temperature to date is 1.2C in 2001.

I have not recorded a temperature at or below 0 for March in the past 11 years. There were no days where the maximum temperature for the day was less than 10C. There were 11 days that reached or exceeded 20C, my average is 15. There were 6 days that reached or exceeded 25C, also average is 4. One day reached or exceeded 30C equalling my March average.

Wind: (Records from 2001)
The monthly wind run of 4890km is close to my March average of 4960km. The windiest March was 2006 with 5643km, the least windy, 2007 with 4436km. The highest gust was 56km/h from the north north west on the 2nd.

Rainfall:
March had 53mm of rain over 9 days, 145% of my 36.5mm March average.  The wettest day was the 27th with 18.5mm. My wettest March day was 29th March 2003 with 32.4mm. The wettest March was 2006 with 66.2mm, the driest, 2001 with 5.8mm.

Barometer: (Records from 2006)
The average pressure for the month was close to my March average of 1014.1 hPa with 1015.3 hPa. Maximum daily pressure change of 28.2 hPa was  above  my March average of 19.8hPa.

NIWA monthly climate summaries can be seen here.

March 2011 Summary
Temperature
Mean 15.1 C
Mean Maximum 20.5 C
Mean Minimum 10.1 C
Maximum High 30.4 C (4th)
Maximum Low 16.3 C (1st)
Minimum High 15.0 C (20th)
Minimum Low 3.2 C (28th)
Wind Speed and Direction
Maximum Gust 56 km/h (2nd)
Mean 6.9 km/h
Wind Run 4889 km
Max Daily Windrun 288 km (2nd)
Prevailing Direction East Nth East
Barometer
Maximum 1032.0 hPa (12th)
Minimum 985.4 hPa (2nd)
Mean 1015.3 hPa
Max Daily Change +28.2 hPa (2nd)
Rainfall
Days with Measured Rainfall
(Greater than 0.2mm)
9
Max Daily Rainfall 18.5 mm (27th)
Monthly Rainfall 53.0 mm
Humidity
Maximum
99 % (28th)
Minimum 23 % (2nd)


March 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 16.3 29.5
21.1 7.0 32 162 East Nth East 0 0 995.3 1011.2 -15.3
Some cloud, mostly sunny, north to NE winds
2 9.9 27.4 21.4 12.6 56 288 North Nth West 0 0 985.4 1013.6 +28.2
Variable cloud clearing from mid afternoon. Warm gusty north to nor'west winds.
3 8.1 21.7 15.7 8.5

32

195 East Nth East 0 0 1002.6 1013.9 -11.3
Some morning cloud, clearing by afternoon, NE winds.
4 12.5 30.4 20.3 8.1 35 183 East Nth East 0 0 995.9 1003.6 +7.7

Morning cloud clearing, NE winds turning warm NW in the afternoon then southerly in the evening.

5 8.5 26.1 15.5 8.7 46 198 South Sth West 1.0 10.0 998.4 1011.6 +13.2
Cloud increasing in the afternoon with a southerly change, rain from evening.
6 6.6 15.1 10.2 6.9 42 157 South Sth West 0.5 5.0 1011.3 1019.6 +8.3
Showers with southerly winds, broken cloud.
7 5.3 16.9 11.5 4.8 32 108 South Sth West 0.5 1.5 1019.8 1024.5 +4.7
Variable cloud, showers with southerly winds.
8 7.1 19.4 13.1 3.0 24 68 South Sth West 0 0 1020.6 1023.6 +3.3
Morning cloud breaking, mostly light southerly winds.
9 6.8 20.1 14.1 4.2 27 97 East Nth East 0 0 1020.6 1024.3 -3.7
Clear and sunny with NE winds.
10 12.8 18.5 15.2 8.7 33 195 East Nth East 0 0 1014.7 1020.6 -5.9
Some morning cloud, otherwise sunny with NE winds.
11 11.6 19.0 15.3 3.4 31 75 South West 0.5 0.5 1014.8 1027.1 +12.3
Overcast with southerly winds, some light afternoon showers.
12 13.0 17.1 14.8 4.2 23 97 East Nth East 0 0 1027.0 1032.0 +5.0
Overcast with low cloud in the morning with a little drizzle. Brighter in the afternoon with NE winds.
13 14.0 19.3 16.0 8.3 27 190 East Nth East 0 0 1023.3 1030.2 -6.9
Morning cloud breaking and clearing from midday with a sunny afternoon. Cloud returning in the evening. NE winds.
14 11.9 28.2 19.5 5.0 36 114 East Nth East 0 0 1011.6 1022.9 -11.3
Some high cloud, NE winds turning warm NW in the afternoon.
15 12.4 19.3 15.8 11.1 45 253 South Sth West 1.0 2.5 1011.9 1023.5 +11.6
Morning showers clearing and clod breaking in the afternoon, fresh southerly winds.
16 7.0 18.5 13.8 6.7 36 155 East Nth East 0 0 1012.9 1023.1 -10.2
Variable cloud, NE winds
17 12.3 22.6 16.3 3.1 30 71 East Nth East 0 0 1006.6 1012.8 -6.2
Mostly cloudy with a few sunny intervals, light variable winds during the day.
18 11.6 21.0 16.1 4.1 24 93 East Nth East 0 0 1002.1 1009.7 -7.6
Early mist clearing to a sunny day with light winds. Cloud increasing from evening
19 10.6 16.3 13.4 7.6 34 174 East Nth East 0 0 1002.2 1020.6 +18.4
Overcast and cool with drizzle at times. NE winds.
20 11.6 15.0 13.2 3.4 20 77 East Nth East 0.5 8.5 1020.7 1027.1 +6.4
Overcast with drizzle and light rain until mid afternoon, light southerly winds turning NE mid afternoon.
21 12.7 19.6 15.0 3.6 24 83 East Nth East 0 0 1022.0 1026.8 -4.8
Southerly breezes turning NE in the morning with cloud breaking in the afternoon.
22 12.8 17.0 14.8 6.7 35 153 South Sth West 1.0 5.0 1016.6 1021.8 -5.2
Overcast and cool with showers mostly in the morning and evening. Southerly winds.
23 7.0 16.4 12.1 7.9 39 180 South Sth West 0.5 1.5 1020.1 1026.8 +6.7
Showers. Cloud breaking and clearing in the evening. Cool southerly winds.
24 5.6 16.9 11.3 5.0 30 114 East Nth East 0 0 1021.3 1026.6 -5.3
Broken cloud, mostly sunny with NE winds.
25 11.9 18.1 14.7 12.4 44 285 East Nth East 0 0 1008.8 1021.2 -12.4
Some cloud but mostly sunny with a fresh NE wind.
26 14.1 28.8 18.9 9.5 31 217 East Nth East 0 0 1002.7 1009.0 -6.3
Some high cloud, NE winds turning light nor'west, warm in the afternoon.
27 9.3 17.9 13.9 9.6 54 219 East Nth East 1.5 18.5 993.4 1007.2 -13.8
Overcast with showers and NE winds. A strong cold southerly change in the evening with rain.
28 3.2 18.8 11.8 5.4 28 123 East Nth East 0 0 1007.7 1017.6 +9.9
Coldest temperature of the year to date. Clear and sunny with light NE winds.
29 7.3 24.2 15.4 2.4 21 53 East Nth East 0 0 1017.2 1026.8 +9.6
Clear and sunny with light winds.
30 8.6 18.0 13.6 9.3 36 215 East Nth East 0 0 1018.2 1026.5 -8.3
Morning cloud clearing to a sunny afternoon with NE winds.
31 11.5 18.0 14.7 12.2 40 281 East Nth East 0 0 1004.0 1017.9 -13.9
Some high cloud but mostly sunny. Fresh NE wind easing and becoming light by evening.

March 2011 Temperature Graph
March 2011 Wind Dir Graph
March 2011 Wind Dir % Graph
March 2011 Wind Speed Graph
March 2011 Rainfall Graph
March 2011 Barograph
March 2011 Humidity Graph