Front view Rear view
The narrow trace is the outside temperature graph.
The wide trace is the pressure graph.
2- A sudden decrease, even if it is small, announces a nearby disturbance;
wind, short showers. If large in 5 to 6 hours, signals a comming storm.
3- A large, slow and maintained decrease announces a long period of
This bad weather will be more pronounced if the barometer started higher to go lower.
4- A sudden rise of the pressure, when the pressure is about average
average and the weather is nice, always announces the aproach of a low and the barometer
will soon start to come down.
5- A rapid rise when the pressure is low, annonces a short period of
but, if the rise is large and prolonged, we can count on a many days of good
PCB and a pre-programmed PIC availlable by writing to me at [email protected].