saltmeter

One jetty, one thermometer, too many notebooks.

I measure the water off the same jetty most mornings and write it down. This page holds the recent numbers, mostly so I stop losing the paper.

Water temperature, last 14 readings

11 °C7 °C

Latest entries

ReadingWaterSalinityNote
No. 4127.2 °C5.6 psuFlat calm, first ice on the ladder rail.
No. 4117.5 °C5.5 psuRain overnight. Reading after the runoff settled.
No. 4107.9 °C5.7 psuStrong westerly, had to brace the bucket.
No. 4098.3 °C5.6 psuRecalibrated the refractometer. It was fine.

How it is measured

A bucket from the same rung, a spirit thermometer left in for three minutes, and a handheld refractometer for salinity. Nothing here is calibrated well enough for science. It is only good for noticing when the season turns.