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The standard sea-level pressure is 29.92 inHg (1013 mb). This is the average sea-level pressure around the world.
Relative pressure measurements greater than 29.92 inHg (1013 mb) are considered high pressure and relative pressure
measurements less than 29.92 inHg are considered low pressure.
To determine the relative pressure for your location, locate an official reporting station near you (the internet is the best
source for real time barometer conditions, such as Weather.com or Wunderground.com), and set your weather station to
match the official reporting station.
9.2 Rain Display
9.2.1 Rain Increments of Measure
Press and hold [RAIN/PRE] for two seconds switch between Rain and Pressure. While in Rain mode press the
[RAIN/PRE] to switch between Rain Rate (in/hr.), Rain Event, Rain Hourly, Daily Rain, Weekly Rain, Monthly Rain
and Yearly Rain.
9.2.2 Increments of Rain Definitions
Rain rate or hourly rain
is defined as the last 10 minutes of rainfall, multiplied by six (10 minutes x 6 = 1
hour). This is also referred to as instantaneous rain per hour.
Rain event
is defined as continuous rain
,
and resets to zero if rainfall accumulation is less than 1 mm (0.039 in)
in a 24-hour period.
Daily Rain
is defined as the rainfall since midnight (00:00).
Weekly Rain
is defined as the calendar week total and resets on Sunday morning at midnight (Sunday thru
Saturday).
Monthly Rain
is defined as the calendar month total and resets on the first day of the Month.
Total Rain
is defined as the running total since station was powered up.
9.3 Wind Display
Press the [WIND -] button to switch between average wind speed and, wind gust.
Press and hold the [WIND -] button for two seconds to switch the wind direction to display in degrees or in letters.
Wind speed
is defined as the average wind speed in the 16 second update period.
Wind gust
is defined as the peak wind speed in the 16 second update period.
9.4 Temperature Display
If temperature is lower than minimum range, the temperature field will display dashes (--. -).
If temperature is higher than maximum range, the temperature field will display dashes (--. -).
9.4.1 Wind Chill, Dew Point, Heat Index Display and Multi-channel Scroll Mode
Press the [TEMP] button to switch between Outdoor Temperature, Wind Chill, Dew Point, Heat Index.
The WS-1950 supports up to 8 additional temperature humidity sensors (WH31E, WH31P, WH31PF). If you have the
extra sensors, press the [TEMP +] button to switch between Outdoor Temperature, Wind Chill, Dew Point, Heat Index, 8
channel optional Indoor/Outdoor Thermo-hygrometer, Scroll Mode
