Fast Forecast

WEATHER FOR BUSINESS

We supply weather data to businesses

Free Weather Plugin

Add this forecast to your website



Local Weather

Sahrinau 14 Day Long Range Forecast

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

Russia

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

Over the next 14 days the Sahrinau forecast suggests the average daytime maximum temperature will be around 9°C, with a high for the two weeks of 12°C expected on the afternoon of Saturday 28th. The average minimum temperature will be 2°C, dipping to its lowest on the morning of Sunday 22nd at -2°C. Expect the following 14 days ahead to remain predominantly dry. On the whole winds are likely to be light.

DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Sun 22
Dec		21:00

NNW
NNW

 3 / 6 mph 33 / 31°F 59% 1024 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 6%
Most Significant Cloud Type: high
6%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Mon 23
Dec		00:00

NNE
NNE

 4 / 9 mph 31 / 26°F 60% 1025 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: medium
3%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

NNE
NNE

 4 / 9 mph 30 / 25°F 56% 1024 mb
Low level cloud: 0%
Mid level cloud: 14%
High level cloud: 12%
Most Significant Cloud Type: medium
14%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

NNE
NNE

 4 / 9 mph 30 / 25°F 56% 1024 mb
Low level cloud: 0%
Mid level cloud: 16%
High level cloud: 5%
Most Significant Cloud Type: medium
16%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

NNE
NNE

 4 / 9 mph 30 / 26°F 56% 1024 mb
Low level cloud: 0%
Mid level cloud: 10%
High level cloud: 0%
Most Significant Cloud Type: medium
9%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

E
E

 3 / 3 mph 44 / 43°F 51% 1023 mb
Low level cloud: 0%
Mid level cloud: 8%
High level cloud: 0%
Most Significant Cloud Type: medium
7%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

ESE
ESE

 2 / 2 mph 47 / 47°F 46% 1021 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: medium
4%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

N
N

 3 / 5 mph 41 / 39°F 55% 1022 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: medium
3%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

N
N

 3 / 6 mph 37 / 35°F 53% 1025 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
Tue 24
Dec		00:00

NNE
NNE

 3 / 7 mph 35 / 32°F 53% 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

NNE
NNE

 5 / 10 mph 34 / 30°F 51% 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

NNE
NNE

 6 / 12 mph 33 / 28°F 49% 1027 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

NNE
NNE

 6 / 13 mph 33 / 27°F 47% 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
12:00

E
E

 4 / 4 mph 46 / 45°F 40% 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
15:00

ESE
ESE

 4 / 4 mph 50 / 49°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
18:00

NE
NE

 6 / 9 mph 44 / 41°F 46% 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

NNE
NNE

 6 / 13 mph 39 / 35°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
Wed 25
Dec		00:00

NNE
NNE

 6 / 14 mph 37 / 32°F 40% 1026 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 4%
Most Significant Cloud Type: high
4%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

NNE
NNE

 7 / 14 mph 36 / 31°F 38% 1025 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 3%
Most Significant Cloud Type: high
3%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

NNE
NNE

 6 / 14 mph 35 / 30°F 35% 1025 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 2%
Most Significant Cloud Type: high
2%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

NNE
NNE

 6 / 14 mph 35 / 29°F 32% 1025 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 10%
Most Significant Cloud Type: high
9%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

E
E

 4 / 4 mph 49 / 48°F 29% 1023 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 17%
Most Significant Cloud Type: high
17%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

ESE
ESE

 3 / 4 mph 53 / 53°F 26% 1020 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
18:00

NNE
NNE

 4 / 8 mph 43 / 40°F 35% 1022 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

NNE
NNE

 4 / 9 mph 41 / 38°F 35% 1024 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
Thu 26
Dec		00:00

NNE
NNE

 4 / 10 mph 39 / 36°F 35% 1025 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
03:00

NNE
NNE

 5 / 10 mph 38 / 35°F 36% 1025 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
06:00

NNE
NNE

 5 / 10 mph 37 / 33°F 35% 1025 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 74%
Most Significant Cloud Type: high
73%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

NNE
NNE

 5 / 10 mph 37 / 33°F 35% 1027 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 61%
Most Significant Cloud Type: high
60%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

ESE
ESE

 3 / 3 mph 48 / 47°F 30% 1027 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 97%
Most Significant Cloud Type: high
97%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

S
S

 2 / 2 mph 51 / 50°F 29% 1025 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 83%
Most Significant Cloud Type: high
82%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

NW
NW

 2 / 4 mph 41 / 40°F 40% 1027 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

NNW
NNW

 3 / 6 mph 39 / 37°F 40% 1030 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 42%
Most Significant Cloud Type: high
41%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Fri 27
Dec		00:00

N
N

 3 / 6 mph 37 / 35°F 40% 1030 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
03:00

NNE
NNE

 4 / 8 mph 36 / 33°F 40% 1030 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 80%
Most Significant Cloud Type: high
80%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

NNE
NNE

 4 / 9 mph 35 / 31°F 41% 1031 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 99%
Most Significant Cloud Type: high
99%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

NE
NE

 5 / 10 mph 35 / 30°F 40% 1032 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 33%
Most Significant Cloud Type: medium
3%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

ESE
ESE

 3 / 4 mph 46 / 45°F 31% 1032 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

ESE
ESE

 4 / 4 mph 50 / 49°F 27% 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
18:00

NE
NE

 5 / 6 mph 45 / 42°F 36% 1028 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 1%
Most Significant Cloud Type: high
1%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

NNE
NNE

 6 / 12 mph 40 / 36°F 35% 1030 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 3%
Most Significant Cloud Type: high
2%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sat 28
Dec		00:00

NNE
NNE

 6 / 13 mph 37 / 32°F 34% 1030 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
03:00

NNE
NNE

 6 / 14 mph 36 / 31°F 33% 1029 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 14%
Most Significant Cloud Type: high
13%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

NNE
NNE

 6 / 14 mph 35 / 30°F 32% 1028 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 10%
Most Significant Cloud Type: high
9%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

NNE
NNE

 7 / 14 mph 35 / 29°F 29% 1028 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 32%
Most Significant Cloud Type: high
32%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

E
E

 4 / 5 mph 49 / 47°F 24% 1025 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 70%
Most Significant Cloud Type: high
69%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

E
E

 4 / 5 mph 53 / 53°F 19% 1022 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
18:00

NE
NE

 5 / 10 mph 44 / 42°F 26% 1022 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

NNE
NNE

 6 / 14 mph 43 / 39°F 24% 1023 mb
Low level cloud: 0%
Mid level cloud: 59%
High level cloud: 100%
Most Significant Cloud Type: medium
62%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Sun 29
Dec		00:00

NNE
NNE

 7 / 14 mph 39 / 34°F 33% 1029 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 3%
Most Significant Cloud Type: high
2%
0.0 In
06:00

NNE
NNE

 6 / 13 mph 39 / 35°F 30% 1026 mb
Low level cloud: 0%
Mid level cloud: 6%
High level cloud: 99%
Most Significant Cloud Type: medium
9%
0.0 In
12:00

E
E

 4 / 5 mph 52 / 51°F 23% 1024 mb
Low level cloud: 0%
Mid level cloud: 22%
High level cloud: 64%
Most Significant Cloud Type: medium
25%
0.0 In
18:00

NE
NE

 6 / 8 mph 52 / 49°F 25% 1019 mb
Low level cloud: 0%
Mid level cloud: 100%
High level cloud: 99%
Most Significant Cloud Type: medium
100%
0.0 In
Mon 30
Dec		00:00

NNE
NNE

 4 / 5 mph 42 / 40°F 67% 1029 mb
Low level cloud: 0%
Mid level cloud: 46%
High level cloud: 36%
Most Significant Cloud Type: medium
47%
0.0 In
06:00

NNE
NNE

 1 / 1 mph 44 / 44°F 40% 1022 mb
Low level cloud: 0%
Mid level cloud: 97%
High level cloud: 81%
Most Significant Cloud Type: medium
100%
0.0 In
12:00

SSW
SSW

 2 / 2 mph 51 / 51°F 33% 1025 mb
Low level cloud: 0%
Mid level cloud: 42%
High level cloud: 0%
Most Significant Cloud Type: medium
42%
0.0 In
18:00

WNW
WNW

 2 / 2 mph 55 / 56°F 41% 1024 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 47%
Most Significant Cloud Type: medium
6%
0.0 In
Tue 31
Dec		00:00

NNW
NNW

 1 / 2 mph 41 / 41°F 77% 1030 mb
Low level cloud: 0%
Mid level cloud: 44%
High level cloud: 0%
Most Significant Cloud Type: medium
43%
0.0 In
06:00

NNE
NNE

 2 / 3 mph 43 / 43°F 47% 1025 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 100%
Most Significant Cloud Type: medium
7%
0.0 In
12:00

SSE
SSE

 2 / 2 mph 49 / 49°F 56% 1028 mb
Low level cloud: 0%
Mid level cloud: 8%
High level cloud: 0%
Most Significant Cloud Type: medium
8%
0.0 In
18:00

W
W

 2 / 2 mph 51 / 51°F 49% 1021 mb
Low level cloud: 0%
Mid level cloud: 13%
High level cloud: 100%
Most Significant Cloud Type: medium
16%
0.0 In
Wed 01
Jan		00:00

N
N

 3 / 4 mph 42 / 40°F 52% 1024 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 100%
Most Significant Cloud Type: medium
7%
0.0 In
06:00

NW
NW

 1 / 1 mph 41 / 41°F 62% 1022 mb
Low level cloud: 0%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: medium
100%
0.0 In
12:00

S
S

 1 / 1 mph 47 / 47°F 46% 1021 mb
Low level cloud: 0%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: medium
100%
0.0 In
18:00

SW
SW

 3 / 3 mph 47 / 47°F 73% 1020 mb
Low level cloud: 4%
Mid level cloud: 62%
High level cloud: 100%
Most Significant Cloud Type: medium
77%
0.1 In
Thu 02
Jan		00:00

NNW
NNW

 2 / 3 mph 42 / 41°F 59% 1019 mb
Low level cloud: 0%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: medium
100%
0.0 In
06:00

SW
SW

 3 / 3 mph 35 / 33°F 99% 1023 mb
Low level cloud: 94%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.2 In
12:00

ESE
ESE

 2 / 3 mph 37 / 35°F 98% 1025 mb
Low level cloud: 91%
Mid level cloud: 53%
High level cloud: 5%
Most Significant Cloud Type: low
100%
0.3 In
18:00

ENE
ENE

 3 / 3 mph 39 / 37°F 91% 1026 mb
Low level cloud: 81%
Mid level cloud: 43%
High level cloud: 0%
Most Significant Cloud Type: low
96%
0.1 In
Fri 03
Jan		00:00

N
N

 3 / 5 mph 32 / 29°F 82% 1023 mb
Low level cloud: 3%
Mid level cloud: 44%
High level cloud: 13%
Most Significant Cloud Type: medium
53%
0.1 In
06:00

NNE
NNE

 7 / 15 mph 30 / 23°F 68% 1023 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 11%
Most Significant Cloud Type: medium
4%
0.0 In
12:00

S
S

 1 / 1 mph 39 / 39°F 71% 1022 mb
Low level cloud: 0%
Mid level cloud: 46%
High level cloud: 100%
Most Significant Cloud Type: medium
50%
0.0 In
18:00

NNE
NNE

 6 / 11 mph 41 / 37°F 48% 1014 mb
Low level cloud: 0%
Mid level cloud: 30%
High level cloud: 96%
Most Significant Cloud Type: medium
34%
0.0 In
Sat 04
Jan		00:00

N
N

 2 / 2 mph 36 / 36°F 88% 1024 mb
Low level cloud: 67%
Mid level cloud: 74%
High level cloud: 99%
Most Significant Cloud Type: low
100%
0.0 In
06:00

NNE
NNE

 7 / 15 mph 37 / 32°F 61% 1012 mb
Low level cloud: 0%
Mid level cloud: 9%
High level cloud: 32%
Most Significant Cloud Type: medium
10%
0.0 In
12:00

SW
SW

 7 / 8 mph 33 / 26°F 97% 1028 mb
Low level cloud: 84%
Mid level cloud: 97%
High level cloud: 57%
Most Significant Cloud Type: low
100%
0.2 In
18:00

W
W

 5 / 6 mph 43 / 40°F 68% 1012 mb
Low level cloud: 0%
Mid level cloud: 46%
High level cloud: 100%
Most Significant Cloud Type: medium
49%
0.0 In
Sun 05
Jan		00:00

SSW
SSW

 4 / 6 mph 26 / 21°F 97% 1033 mb
Low level cloud: 72%
Mid level cloud: 100%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.4 In
06:00

WNW
WNW

 4 / 4 mph 35 / 32°F 96% 1020 mb
Low level cloud: 74%
Mid level cloud: 44%
High level cloud: 38%
Most Significant Cloud Type: low
94%
0.1 In
12:00

SSE
SSE

 3 / 4 mph 23 / 19°F 91% 1039 mb
Low level cloud: 62%
Mid level cloud: 94%
High level cloud: 0%
Most Significant Cloud Type: low
95%
0.1 In
18:00

SSW
SSW

 3 / 3 mph 40 / 39°F 95% 1024 mb
Low level cloud: 77%
Mid level cloud: 71%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.0 In
Mon 06
Jan		00:00

N
N

 5 / 9 mph 11 / 2°F 84% 1042 mb
Low level cloud: 13%
Mid level cloud: 43%
High level cloud: 0%
Most Significant Cloud Type: medium
81%
0.0 In
06:00

NNE
NNE

 6 / 11 mph 29 / 23°F 70% 1027 mb
Low level cloud: 0%
Mid level cloud: 12%
High level cloud: 0%
Most Significant Cloud Type: medium
11%
0.0 In
12:00

ESE
ESE

 3 / 4 mph 18 / 13°F 80% 1042 mb
Low level cloud: 11%
Mid level cloud: 41%
High level cloud: 0%
Most Significant Cloud Type: medium
72%
0.0 In
18:00

NE
NE

 4 / 6 mph 42 / 39°F 59% 1022 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 32%
Most Significant Cloud Type: medium
3%
0.0 In

Other Locations Near to Sahrinau

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