and reduces the amount of contaminated water you need to manage.
Monitor and maintain your runoff control measures. Reassess and adjust if necessary. Consent requirements
You won’t need a resource consent to discharge stormwater to land or to water if you can meet these requirements: The discharge is not into a significant wetland.
You have a stormwater interception system (a roof and guttering, for example) to keep rain from areas where there may be contaminants, if your site is bigger than half
and reduces the amount of contaminated water you need to manage.
Monitor and maintain your runoff control measures. Reassess and adjust if necessary. Consent requirements
You won’t need a resource consent to discharge stormwater to land or to water if you can meet these requirements: The discharge is not into a significant wetland.
You have a stormwater interception system (a roof and guttering, for example) to keep rain from areas where there may be contaminants, if your site is bigger than half
and year-to-date totals for rain gauge sites in Taranaki.
April Year to Date
Rain gauge # days
with rain
Total rain
(mm)
% of
typical
month
Total to
date (mm)
% of typical
year to date
% of typical
full year
Records
Began
North Egmont at
Visitors Centre 20 1004.5 204.3 1521.0 92.3 22.3 1996
Dawson Falls 18 959.0 197.7 1487.0 98.8 23.4 1999
Kapoaiaia at Kahui
Hut 15 656.5 160.5 1179.5 92.1 22.6 2006
Mangorei Upper at
Forest Hill 16 526.5
Our gauge at Brooklands Zoo in New Plymouth recorded a temperature of 20.4°C on 27 August – but the average air temperature was just 8.7°C, that’s 1.4°C cooler than usual. There was an average of 119.2mm of rainfall in Taranaki – 38% less than normal. This ranged from 54% less rain than usual at Mangorei Upper at Forest Hill, and 8% less rain than normal at Tawhiti at Duffys. Year-to-date rainfall is lowest at Waitōtara at Hawken Rd with 25% less rainfall than normal. Mean river flows for
The torrential rain which hit Taranaki at the start of July saw many rivers hit incredible maximum flows of water including 417m³/sec in the Waiwhakaiho River at Egmont Village and 1,367m³/sec in the Waitara River at Bertrand Road. Figures from Taranaki Regional Council show flooding at the Tāngāhoe River in South Taranaki was a one-in-20-year event (with 349m³/sec maximum flow) and the Waitōtara River experienced a one-in-11-year flood when the region was deluged by a huge amount of rain on 3
Rainfall February and year-to-date totals for rain gauge sites in Taranaki.
February Year to Date
Rain gauge # days
with rain
Total
rain
(mm)
% of typical
month
Total to
date (mm)
% of typical
year to date
% of typical
full year
Records
Began
North Egmont at
Visitors Centre 4 144.0 38.0 323.0 42.9 4.7 1996
Dawson Falls 8 152.0 46.7 335.0 50.4 5.3 1999
Kapoaiaia at Kahui
Hut 8 136.5 52.6 309.5 55.7 5.9 2006
Mangorei Upper at
Forest Hill 6 75.5
Get the tamariki outdoors this school holidays. Grab your gumboots and explore the magic of Hollard Gardens with our Nature Hunt adventure. Rain or shine, rain dancing and puddle jumping optional. Recommended for children aged 5–10,
and year-to-date totals for rain gauge sites in Taranaki.
March Year to Date
Rain gauge # days
with rain
Total
rain
(mm)
% of typical
month
Total to
date (mm)
% of typical
year to date
% of typical
full year
Records
Began
North Egmont at
Visitors Centre 10 193.5 47.9 516.5 44.6 7.6 1996
Dawson Falls 10 193.0 54.4 528.0 51.8 8.3 1999
Kapoaiaia at Kahui
Hut 15 236.0 74.6 545.5 62.6 10.4 2006
Mangorei Upper at
Forest Hill 11 125.5 51.2
to date totals for rain gauge sites in Taranaki.
December Year to Date
Rain gauge # days
with rain
Total
rain
(mm)
% of
typical
month
Total to
date (mm)
% of typical
year to date
% of typical
full year
Records
Began
North Egmont at
Visitors Centre 15 366.5 61.6 5888.4 85.1 85.1 1995
Dawson Falls 14 282.5 58.5 5569.0 87.0 87.0 1999
Kapoaiaia at Kahui
Hut 15 340.0 86.5 4603.5 87.5 87.5 2006
Mangorei Upper at
Forest Hill 14 258.0 67.9
page
Table 1: Rainfall January and year-to-date totals for rain gauge sites in Taranaki.
January Year to Date
Rain gauge # days
with rain
Total
rain
(mm)
% of typical
month
Total to
date (mm)
% of typical
year to date
% of typical
full year
Records
Began
North Egmont at
Visitors Centre 9 179.0 49.5 179.0 49.5 2.6 1995
Dawson Falls 12 183.0 53.9 183.0 53.9 2.9 1999
Kapoaiaia at Kahui
Hut 10 173.0 58.5 173.0 58.5 3.3 2006
Mangorei Upper