Greater Wellington Regional Council
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Environmental monitoring
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Rivers and streams
Rainfall
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Porirua / Pauatahanui
Kapiti Coast
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Tararua ranges
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Rainfall

Greater Wellington monitors rainfall at 43 sites across the region. The information collected is vital for floodwarning, water management during drought, and detecting long-term trends in climate.  

The data are logged on a regular basis (usually every 5 or 15 minutes) and then uploaded to our database via telemetry (radio or cell phone tranmission) every 2 to 3 hours. This is "raw data" because it has not been passed through our quality checks. Once it has been checked it is moved to a secure archive and is referred to as "archived data".

The data we provide for this website is a combination of archived and raw data. The archived data is shown in black and the raw data is shown in red. This ensures that the data we are providing is as accurate and up to date as possible. Should you require the information in a form other than how it is presented here, please contact us and we can usually provide it within two working days.

Wellington City
Porirua / Pauatahanui
Kapiti Coast
Hutt Valley
Wainuiomata / Orongorongo
Tararua ranges
Tararua foothills
Wairarapa valley
Northern and Eastern Wairarapa
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Greater Wellington
142 Wakefield Street
Wellington 6011
PO Box 11646
Wellington 6142
T 04 384 5708
F 04 385 6960
34 Chapel Street
Masterton 5810
PO Box 41
Masterton 5840
T 06 378 2484
F 06 378 2146
Freephone 0800 496 734