From 3a0562dbf4dac72973426f61f77415cc2b662212 Mon Sep 17 00:00:00 2001
From: Dan Howe <d.howe@wrl.unsw.edu.au>
Date: Mon, 16 Sep 2019 09:36:28 +1000
Subject: [PATCH] Update readme

---
 port-authority-nsw/README.md | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/port-authority-nsw/README.md b/port-authority-nsw/README.md
index 92420eb..145a288 100644
--- a/port-authority-nsw/README.md
+++ b/port-authority-nsw/README.md
@@ -3,6 +3,8 @@
 Download latest time series data from Port Authority of NSW and update local copy.
 [wavewindtide.portauthoritynsw.com.au](http://wavewindtide.portauthoritynsw.com.au/)
 
+Only one observation is available at any given moment. This script must be run regularly to obtain a complete time series.
+
 ## Station locations
 
 | ID | Description                               |