Figure 40, Pressure tendency description, N figure 40 on p – Vaisala PTU300 User Manual
Page 70
User's Guide _______________________________________________________________________
68 ___________________________________________________________________ M210796EN-G
0604-055
Figure 40
Pressure Tendency Description
The following numbers refer to Figure 40 on page 68:
0
=
Increasing, then decreasing; atmospheric pressure the same or
higher than three hours ago
1
=
Increasing, then steady; or increasing, then increasing more
slowly; atmospheric pressure now higher than three hours ago
2
=
Increasing (steadily or unsteadily); atmospheric pressure now
higher than three hours ago
3
=
Decreasing or steady, then increasing; or increasing then
increasing more rapidly; atmospheric pressure now higher than
three hours ago
4
=
Steady; atmospheric pressure the same as three hours ago
5
=
Decreasing, then increasing; atmospheric pressure the same or
lower than three hours ago
6
=
Decreasing, then steady; or decreasing, then decreasing more
slowly; atmospheric pressure now lower than three hours ago
7
=
Decreasing (steadily or unsteadily); atmospheric pressure now
lower than three hours ago
8
=
Steady or increasing, then decreasing; or decreasing then
decreasing more rapidly; atmospheric pressure now lower than
three hours ago