Fast Forecast

WEATHER FOR BUSINESS

We supply weather data to businesses

Free Weather Plugin

Add this forecast to your website



Local Weather

Chunyang 14 Day Long Range Forecast

14 Day weather providing an extended long range forecast outlook for Chunyang

South Korea

Long range weather outlook for Chunyang includes 14 day forecast summary:

Over the next 14 days the Chunyang forecast suggests the average daytime maximum temperature will be around 0°C, with a high for the two weeks of 4°C expected on the afternoon of Saturday 31st. The average minimum temperature will be -11°C, dipping to its lowest on the morning of Thursday 22nd at -14°C. The next 14 days will remain predominantly dry. On the whole winds are likely to be light.

DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Wed 21
Jan		21:00

W
W

 8 / 10 mph 13 / 1°F 37% 1025 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Thu 22
Jan		00:00

WNW
WNW

 7 / 9 mph 11 / 0°F 46% 1026 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

WNW
WNW

 6 / 7 mph 8 / -2°F 54% 1026 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

WNW
WNW

 6 / 7 mph 6 / -5°F 55% 1025 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

WNW
WNW

 8 / 9 mph 11 / -1°F 42% 1026 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

WNW
WNW

 12 / 14 mph 19 / 6°F 23% 1024 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

WNW
WNW

 13 / 15 mph 22 / 10°F 18% 1022 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

WNW
WNW

 10 / 13 mph 14 / 1°F 29% 1024 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

WNW
WNW

 7 / 9 mph 13 / 2°F 40% 1025 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Fri 23
Jan		00:00

WNW
WNW

 7 / 10 mph 11 / 0°F 42% 1026 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

WNW
WNW

 6 / 11 mph 9 / -2°F 46% 1026 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

WNW
WNW

 5 / 10 mph 7 / -3°F 43% 1026 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

WNW
WNW

 5 / 6 mph 15 / 7°F 28% 1026 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

W
W

 11 / 13 mph 29 / 19°F 36% 1024 mb
Low level cloud: 0%
Mid level cloud: 9%
High level cloud: 0%
Most Significant Cloud Type: medium
8%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

W
W

 12 / 13 mph 31 / 21°F 49% 1022 mb
Low level cloud: 19%
Mid level cloud: 8%
High level cloud: 0%
Most Significant Cloud Type: low
21%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

W
W

 9 / 15 mph 22 / 13°F 65% 1022 mb
Low level cloud: 22%
Mid level cloud: 6%
High level cloud: 0%
Most Significant Cloud Type: low
24%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

WSW
WSW

 9 / 15 mph 21 / 11°F 78% 1022 mb
Low level cloud: 34%
Mid level cloud: 25%
High level cloud: 0%
Most Significant Cloud Type: low
43%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sat 24
Jan		00:00

W
W

 12 / 13 mph 23 / 12°F 83% 1021 mb
Low level cloud: 48%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: low
48%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

W
W

 12 / 13 mph 19 / 7°F 67% 1022 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

WNW
WNW

 11 / 12 mph 14 / 1°F 42% 1022 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

WNW
WNW

 12 / 14 mph 18 / 6°F 37% 1023 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

WNW
WNW

 14 / 17 mph 26 / 14°F 27% 1022 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

WNW
WNW

 13 / 15 mph 28 / 17°F 23% 1021 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

W
W

 9 / 11 mph 18 / 7°F 39% 1023 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

WNW
WNW

 7 / 8 mph 16 / 7°F 49% 1025 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sun 25
Jan		00:00

WNW
WNW

 5 / 6 mph 14 / 6°F 52% 1026 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

WNW
WNW

 4 / 6 mph 11 / 3°F 57% 1028 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

NW
NW

 4 / 6 mph 8 / 1°F 59% 1028 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

WNW
WNW

 4 / 4 mph 16 / 9°F 42% 1029 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

WNW
WNW

 5 / 6 mph 27 / 21°F 22% 1028 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

WNW
WNW

 6 / 7 mph 31 / 25°F 21% 1026 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

NW
NW

 3 / 6 mph 16 / 12°F 36% 1028 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 100%
Most Significant Cloud Type: high
99%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

N
N

 2 / 3 mph 17 / 17°F 39% 1030 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 75%
Most Significant Cloud Type: high
75%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Mon 26
Jan		00:00

WSW
WSW

 0 / 0 mph 19 / 19°F 39% 1030 mb
Low level cloud: 0%
Mid level cloud: 8%
High level cloud: 100%
Most Significant Cloud Type: medium
11%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

ENE
ENE

 1 / 2 mph 14 / 14°F 44% 1029 mb
Low level cloud: 0%
Mid level cloud: 28%
High level cloud: 1%
Most Significant Cloud Type: medium
27%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

WSW
WSW

 1 / 2 mph 13 / 13°F 43% 1028 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 9%
Most Significant Cloud Type: high
9%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

SW
SW

 1 / 1 mph 23 / 23°F 33% 1028 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 100%
Most Significant Cloud Type: high
99%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

WSW
WSW

 5 / 5 mph 31 / 26°F 23% 1025 mb
Low level cloud: 0%
Mid level cloud: 45%
High level cloud: 100%
Most Significant Cloud Type: medium
49%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

WSW
WSW

 5 / 5 mph 35 / 30°F 21% 1022 mb
Low level cloud: 0%
Mid level cloud: 100%
High level cloud: 33%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

WNW
WNW

 4 / 6 mph 26 / 22°F 32% 1022 mb
Low level cloud: 0%
Mid level cloud: 85%
High level cloud: 0%
Most Significant Cloud Type: medium
84%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

WNW
WNW

 4 / 8 mph 20 / 14°F 44% 1023 mb
Low level cloud: 0%
Mid level cloud: 44%
High level cloud: 0%
Most Significant Cloud Type: medium
43%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Tue 27
Jan		00:00

WNW
WNW

 5 / 8 mph 19 / 12°F 52% 1022 mb
Low level cloud: 0%
Mid level cloud: 13%
High level cloud: 0%
Most Significant Cloud Type: medium
12%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

WNW
WNW

 6 / 10 mph 17 / 9°F 64% 1022 mb
Low level cloud: 1%
Mid level cloud: 10%
High level cloud: 0%
Most Significant Cloud Type: medium
13%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

WNW
WNW

 8 / 12 mph 17 / 8°F 82% 1021 mb
Low level cloud: 24%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: low
24%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

WNW
WNW

 9 / 10 mph 25 / 15°F 68% 1021 mb
Low level cloud: 2%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
1%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

W
W

 14 / 16 mph 31 / 21°F 42% 1020 mb
Low level cloud: 0%
Mid level cloud: 1%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

WNW
WNW

 12 / 14 mph 32 / 23°F 36% 1019 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 2%
Most Significant Cloud Type: high
1%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

WNW
WNW

 7 / 10 mph 21 / 13°F 53% 1022 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 17%
Most Significant Cloud Type: high
16%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

WNW
WNW

 4 / 6 mph 17 / 11°F 61% 1023 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 33%
Most Significant Cloud Type: high
32%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Wed 28
Jan		03:00

NW
NW

 3 / 4 mph 19 / 16°F 51% 1026 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 100%
Most Significant Cloud Type: high
99%
0.0 In
09:00

W
W

 3 / 4 mph 28 / 24°F 53% 1026 mb
Low level cloud: 0%
Mid level cloud: 7%
High level cloud: 1%
Most Significant Cloud Type: medium
7%
0.0 In
15:00

W
W

 5 / 6 mph 40 / 36°F 26% 1021 mb
Low level cloud: 0%
Mid level cloud: 82%
High level cloud: 0%
Most Significant Cloud Type: medium
81%
0.0 In
21:00

NNW
NNW

 2 / 4 mph 27 / 25°F 44% 1028 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
Thu 29
Jan		03:00

N
N

 2 / 3 mph 21 / 21°F 68% 1029 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 100%
Most Significant Cloud Type: high
99%
0.0 In
09:00

WSW
WSW

 3 / 3 mph 23 / 19°F 42% 1030 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 77%
Most Significant Cloud Type: medium
6%
0.0 In
15:00

WNW
WNW

 7 / 8 mph 32 / 25°F 21% 1026 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 2%
Most Significant Cloud Type: high
1%
0.0 In
21:00

NNW
NNW

 3 / 5 mph 20 / 17°F 40% 1030 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 5%
Most Significant Cloud Type: medium
1%
0.0 In
Fri 30
Jan		03:00

NW
NW

 1 / 2 mph 21 / 21°F 34% 1031 mb
Low level cloud: 0%
Mid level cloud: 90%
High level cloud: 41%
Most Significant Cloud Type: medium
92%
0.0 In
09:00

W
W

 2 / 3 mph 27 / 24°F 30% 1029 mb
Low level cloud: 0%
Mid level cloud: 95%
High level cloud: 13%
Most Significant Cloud Type: medium
95%
0.0 In
15:00

WSW
WSW

 5 / 6 mph 40 / 37°F 17% 1028 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 7%
Most Significant Cloud Type: medium
3%
0.0 In
21:00

WNW
WNW

 3 / 5 mph 26 / 22°F 37% 1027 mb
Low level cloud: 0%
Mid level cloud: 41%
High level cloud: 100%
Most Significant Cloud Type: medium
44%
0.0 In
Sat 31
Jan		03:00

NNW
NNW

 2 / 5 mph 19 / 16°F 34% 1031 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 85%
Most Significant Cloud Type: high
85%
0.0 In
09:00

WNW
WNW

 3 / 3 mph 30 / 27°F 31% 1029 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: medium
2%
0.0 In
15:00

SW
SW

 4 / 5 mph 42 / 39°F 22% 1028 mb
Low level cloud: 0%
Mid level cloud: 23%
High level cloud: 33%
Most Significant Cloud Type: medium
24%
0.0 In
21:00

NNW
NNW

 3 / 5 mph 23 / 19°F 39% 1030 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
Sun 01
Feb		03:00

SSE
SSE

 1 / 1 mph 26 / 26°F 55% 1028 mb
Low level cloud: 0%
Mid level cloud: 56%
High level cloud: 86%
Most Significant Cloud Type: medium
59%
0.0 In
09:00

WNW
WNW

 2 / 3 mph 30 / 28°F 28% 1031 mb
Low level cloud: 0%
Mid level cloud: 1%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
15:00

W
W

 8 / 9 mph 38 / 32°F 22% 1022 mb
Low level cloud: 0%
Mid level cloud: 11%
High level cloud: 0%
Most Significant Cloud Type: medium
11%
0.0 In
21:00

NNE
NNE

 3 / 5 mph 28 / 26°F 45% 1030 mb
Low level cloud: 0%
Mid level cloud: 1%
High level cloud: 34%
Most Significant Cloud Type: medium
2%
0.0 In
Mon 02
Feb		03:00

W
W

 9 / 10 mph 22 / 12°F 66% 1023 mb
Low level cloud: 2%
Mid level cloud: 11%
High level cloud: 0%
Most Significant Cloud Type: medium
14%
0.0 In
09:00

E
E

 2 / 2 mph 34 / 34°F 53% 1030 mb
Low level cloud: 0%
Mid level cloud: 27%
High level cloud: 36%
Most Significant Cloud Type: medium
28%
0.0 In
15:00

WNW
WNW

 13 / 15 mph 30 / 20°F 20% 1024 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: medium
2%
0.0 In
21:00

E
E

 2 / 3 mph 31 / 31°F 78% 1026 mb
Low level cloud: 0%
Mid level cloud: 45%
High level cloud: 97%
Most Significant Cloud Type: medium
49%
0.0 In
Tue 03
Feb		03:00

WNW
WNW

 4 / 8 mph 14 / 6°F 45% 1029 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: medium
3%
0.0 In
09:00

W
W

 3 / 3 mph 38 / 36°F 54% 1021 mb
Low level cloud: 0%
Mid level cloud: 18%
High level cloud: 93%
Most Significant Cloud Type: medium
21%
0.0 In
15:00

W
W

 8 / 9 mph 34 / 28°F 43% 1027 mb
Low level cloud: 3%
Mid level cloud: 85%
High level cloud: 0%
Most Significant Cloud Type: medium
92%
0.0 In
21:00

W
W

 14 / 17 mph 22 / 9°F 61% 1020 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
Wed 04
Feb		03:00

WNW
WNW

 4 / 6 mph 20 / 14°F 95% 1029 mb
Low level cloud: 37%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: low
38%
0.0 In
09:00

WNW
WNW

 12 / 14 mph 16 / 3°F 31% 1025 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
15:00

W
W

 5 / 6 mph 41 / 37°F 25% 1027 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: medium
3%
0.0 In
21:00

WNW
WNW

 13 / 14 mph 15 / 1°F 47% 1025 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
Thu 05
Feb		03:00

NE
NE

 1 / 2 mph 24 / 24°F 60% 1029 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 7%
Most Significant Cloud Type: medium
3%
0.0 In
09:00

WNW
WNW

 8 / 10 mph 14 / 2°F 44% 1026 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
15:00

SW
SW

 6 / 8 mph 42 / 37°F 41% 1020 mb
Low level cloud: 0%
Mid level cloud: 26%
High level cloud: 100%
Most Significant Cloud Type: medium
29%
0.0 In
21:00

WNW
WNW

 5 / 7 mph 14 / 6°F 46% 1025 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In

Other Locations Near to Chunyang

Cities and Towns: Taebaek, South Korea

The day label given represents the local day relative to the local time for the location you are looking at.
(More Info)

Day

This time is corrected for local time zones and where possible for daylight saving times.
(More Info)

Local Time

The wind direction we use on this page is the direction the wind is coming from, given in a 16 point compass format.
(More Info)

Dir

This refers to the sustained average wind speed, normally averaged over a period of 10 minutes for up to 3 hrs.
(More Info)

Speed/
Gust

Temperature from our forecast perspective are fairly well defined, they are what we would expect to measure in a standard meteorological screen (in other words, shaded and well ventilated) at 2 metres above ground level.
(More Info)

Temp/
Feels Like

The relative humidity is the percent of saturation humidity, generally calculated in relation to saturated vapour density.
(More Info)

Humidity

The value given is a total predicted for the previous 3 hrs and includes the time of the forecast being looked at.
(More Info)

Precip Amount

The total amount of cloud as a percentage is derived from looking at cloud cover throughout the atmosphere and estimating how these combine when looked at from the ground.
(More Info)

Cloud Amount

Here we try to capture the feel of the weather as an image – it will never be perfect but is useful for a quick overview.
(More Info)

Weather

When we measure for forecast air pressure we are normally doing this relative to a certain height and most commonly relative to Mean Sea Level.
(More Info)

Pressure