Rain on the Saen Saep and the Chao Phraya

Two waters, two kinds of rain

The office looks onto the Saen Saep. When the rain is hard enough, the canal boats stop. People wait under the roof or they leave for a bus. The count for that hour collapses, and the next hour that runs may be heavy with the passengers who stayed. A weekly average calls the afternoon ordinary.

The Chao Phraya does not stop for the same shower. Piers still load, but passengers bunch under the roof and then board the first boat that can take them. The 16:40 can leave light and the 17:10 can leave full. If the plate only has a daily pier total, both boats look the same.

Write the wet departure

In a seasonal note we will not blend a rain day into the dry days to make a cleaner curve. The note names the date and the departure. Somsri, who books counts for a river operator, asked for that sentence specifically. Her skippers understood it. A smoothed week would have looked tidy and wrong.

If you send pier sheets, mark the trips that did not run. An empty cell can mean a cancelled boat or a counter who went inside. Those are different facts, and only you know which one it was.

What we will not claim

We do not turn one wet Wednesday into a rule about the monsoon. Two periods, clearly labeled, are enough to show that rain moved the hour. A forecast of the next storm is a different trade, and it is not the one we practice.

Min Buri clients often pair a dry school-term week with a week that included canal closures. That pairing is honest. Pairing a flood week with Songkran is not, because two different absences get drawn as if they were the same cause.

Ask about a corridor, or return to the journal.