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Nonsan 14 Day Long Range Forecast

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

South Korea

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

For Nonsan in the coming two weeks the average daytime maximum temperature will be around 12°C, with a high for the two weeks of 17°C expected on the afternoon of Sunday 16th. The average minimum temperature will be 4°C, dipping to its lowest on the morning of Tuesday 18th at 0°C. The next 14 days will have mixed overhead conditions with some days dry and some seeing a significant amount of rain or snow. It looks like Wednesday 19th will have the most precipitation with an accumulation of around 9.0mm. On the whole winds are likely to be moderate.

DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Fri 14
Nov		18:00

NNW
NNW

 5 / 6 mph 55 / 54°F 62% 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

NNE
NNE

 3 / 6 mph 47 / 46°F 69% 1024 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 4%
Most Significant Cloud Type: high
3%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sat 15
Nov		00:00

SE
SE

 1 / 2 mph 44 / 44°F 72% 1025 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 16%
Most Significant Cloud Type: high
15%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

ENE
ENE

 2 / 3 mph 42 / 42°F 71% 1026 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 56%
Most Significant Cloud Type: high
55%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

NE
NE

 3 / 6 mph 42 / 40°F 70% 1026 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
09:00

NNE
NNE

 2 / 2 mph 48 / 48°F 60% 1028 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 13%
Most Significant Cloud Type: high
12%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

NNE
NNE

 3 / 3 mph 59 / 59°F 35% 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
15:00

N
N

 3 / 3 mph 62 / 61°F 28% 1026 mb
Low level cloud: 0%
Mid level cloud: 19%
High level cloud: 0%
Most Significant Cloud Type: medium
19%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

NNE
NNE

 2 / 4 mph 51 / 52°F 42% 1027 mb
Low level cloud: 0%
Mid level cloud: 24%
High level cloud: 2%
Most Significant Cloud Type: medium
23%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

ENE
ENE

 2 / 4 mph 49 / 50°F 48% 1028 mb
Low level cloud: 0%
Mid level cloud: 6%
High level cloud: 8%
Most Significant Cloud Type: medium
6%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sun 16
Nov		00:00

ENE
ENE

 2 / 4 mph 46 / 46°F 50% 1028 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: medium
4%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

E
E

 2 / 4 mph 44 / 44°F 52% 1027 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 5%
Most Significant Cloud Type: medium
3%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

E
E

 2 / 5 mph 43 / 42°F 53% 1027 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 86%
Most Significant Cloud Type: high
85%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

ESE
ESE

 2 / 3 mph 50 / 49°F 48% 1028 mb
Low level cloud: 0%
Mid level cloud: 6%
High level cloud: 89%
Most Significant Cloud Type: medium
10%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

SW
SW

 4 / 4 mph 61 / 60°F 34% 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
15:00

WSW
WSW

 6 / 7 mph 63 / 62°F 32% 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
18:00

SW
SW

 4 / 4 mph 59 / 59°F 59% 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
21:00

SSW
SSW

 3 / 6 mph 49 / 49°F 70% 1027 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
Mon 17
Nov		00:00

SSW
SSW

 3 / 6 mph 47 / 46°F 77% 1027 mb
Low level cloud: 72%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
71%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

NNW
NNW

 11 / 15 mph 48 / 44°F 56% 1029 mb
Low level cloud: 84%
Mid level cloud: 14%
High level cloud: 5%
Most Significant Cloud Type: low
89%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

N
N

 9 / 12 mph 42 / 37°F 48% 1030 mb
Low level cloud: 0%
Mid level cloud: 6%
High level cloud: 60%
Most Significant Cloud Type: medium
8%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

NNW
NNW

 10 / 11 mph 43 / 37°F 49% 1031 mb
Low level cloud: 0%
Mid level cloud: 74%
High level cloud: 62%
Most Significant Cloud Type: medium
76%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

NNW
NNW

 12 / 14 mph 45 / 39°F 45% 1030 mb
Low level cloud: 0%
Mid level cloud: 28%
High level cloud: 83%
Most Significant Cloud Type: medium
31%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

NW
NW

 14 / 16 mph 45 / 38°F 45% 1029 mb
Low level cloud: 1%
Mid level cloud: 43%
High level cloud: 33%
Most Significant Cloud Type: medium
46%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

NNW
NNW

 9 / 10 mph 41 / 36°F 58% 1029 mb
Low level cloud: 3%
Mid level cloud: 5%
High level cloud: 14%
Most Significant Cloud Type: low
6%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

NW
NW

 5 / 7 mph 39 / 34°F 67% 1030 mb
Low level cloud: 13%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
13%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Tue 18
Nov		00:00

NNW
NNW

 3 / 4 mph 36 / 34°F 72% 1030 mb
Low level cloud: 6%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
6%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

S
S

 1 / 2 mph 34 / 34°F 75% 1029 mb
Low level cloud: 30%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
29%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

NNE
NNE

 2 / 3 mph 33 / 33°F 77% 1029 mb
Low level cloud: 5%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
4%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

NNW
NNW

 6 / 7 mph 40 / 36°F 62% 1029 mb
Low level cloud: 4%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
4%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

NW
NW

 12 / 14 mph 47 / 42°F 49% 1028 mb
Low level cloud: 70%
Mid level cloud: 11%
High level cloud: 0%
Most Significant Cloud Type: low
73%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

NW
NW

 14 / 16 mph 50 / 44°F 46% 1026 mb
Low level cloud: 44%
Mid level cloud: 18%
High level cloud: 0%
Most Significant Cloud Type: low
50%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

WNW
WNW

 4 / 7 mph 43 / 41°F 64% 1026 mb
Low level cloud: 8%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
7%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

WSW
WSW

 1 / 2 mph 40 / 40°F 68% 1026 mb
Low level cloud: 64%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: low
64%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Wed 19
Nov		00:00

SW
SW

 1 / 1 mph 39 / 39°F 71% 1026 mb
Low level cloud: 94%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: low
95%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

ESE
ESE

 1 / 2 mph 41 / 41°F 71% 1026 mb
Low level cloud: 95%
Mid level cloud: 8%
High level cloud: 30%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

ESE
ESE

 2 / 3 mph 42 / 42°F 70% 1025 mb
Low level cloud: 95%
Mid level cloud: 44%
High level cloud: 96%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

SE
SE

 2 / 3 mph 45 / 45°F 66% 1025 mb
Low level cloud: 82%
Mid level cloud: 73%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

SW
SW

 5 / 6 mph 49 / 47°F 58% 1024 mb
Low level cloud: 58%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

S
S

 5 / 5 mph 46 / 44°F 84% 1021 mb
Low level cloud: 92%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
18:00

W
W

 5 / 6 mph 45 / 42°F 92% 1021 mb
Low level cloud: 90%
Mid level cloud: 94%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.2 In of precipitation over the past 3 hours.
0.2 In
21:00

NW
NW

 7 / 8 mph 44 / 40°F 90% 1021 mb
Low level cloud: 82%
Mid level cloud: 53%
High level cloud: 0%
Most Significant Cloud Type: low
99%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
Thu 20
Nov		00:00

W
W

 2 / 2 mph 43 / 43°F 87% 1022 mb
Low level cloud: 47%
Mid level cloud: 45%
High level cloud: 0%
Most Significant Cloud Type: low
62%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

SW
SW

 3 / 5 mph 43 / 42°F 85% 1022 mb
Low level cloud: 93%
Mid level cloud: 50%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

WNW
WNW

 6 / 11 mph 45 / 41°F 80% 1022 mb
Low level cloud: 68%
Mid level cloud: 23%
High level cloud: 0%
Most Significant Cloud Type: low
76%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

W
W

 6 / 9 mph 48 / 45°F 70% 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
12:00

W
W

 11 / 12 mph 53 / 49°F 60% 1023 mb
Low level cloud: 90%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
90%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

W
W

 10 / 13 mph 53 / 50°F 60% 1022 mb
Low level cloud: 81%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
80%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

W
W

 9 / 14 mph 51 / 47°F 65% 1023 mb
Low level cloud: 56%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
55%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

WSW
WSW

 4 / 9 mph 45 / 43°F 81% 1024 mb
Low level cloud: 45%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
45%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Fri 21
Nov		03:00

NW
NW

 3 / 4 mph 50 / 50°F 84% 1021 mb
Low level cloud: 46%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: low
46%
0.0 In
09:00

SW
SW

 3 / 4 mph 54 / 54°F 76% 1019 mb
Low level cloud: 15%
Mid level cloud: 45%
High level cloud: 0%
Most Significant Cloud Type: medium
87%
0.0 In
15:00

WNW
WNW

 16 / 22 mph 58 / 54°F 51% 1017 mb
Low level cloud: 35%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: low
36%
0.0 In
21:00

NW
NW

 17 / 27 mph 46 / 38°F 55% 1022 mb
Low level cloud: 37%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: low
53%
0.0 In
Sat 22
Nov		03:00

NNW
NNW

 9 / 12 mph 42 / 37°F 65% 1025 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
09:00

NW
NW

 11 / 16 mph 48 / 43°F 58% 1023 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
15:00

WNW
WNW

 11 / 14 mph 58 / 56°F 45% 1020 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
21:00

SSW
SSW

 5 / 8 mph 51 / 49°F 87% 1019 mb
Low level cloud: 21%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
21%
0.0 In
Sun 23
Nov		03:00

S
S

 4 / 7 mph 44 / 42°F 78% 1023 mb
Low level cloud: 83%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
83%
0.0 In
09:00

W
W

 1 / 1 mph 51 / 51°F 74% 1020 mb
Low level cloud: 68%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: low
69%
0.0 In
15:00

WSW
WSW

 2 / 3 mph 68 / 68°F 51% 1021 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
21:00

NW
NW

 8 / 11 mph 44 / 39°F 60% 1024 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
Mon 24
Nov		03:00

ESE
ESE

 1 / 2 mph 48 / 48°F 85% 1021 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 52%
Most Significant Cloud Type: high
51%
0.0 In
09:00

NNE
NNE

 1 / 2 mph 44 / 44°F 57% 1027 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
15:00

WSW
WSW

 9 / 11 mph 58 / 56°F 55% 1017 mb
Low level cloud: 0%
Mid level cloud: 100%
High level cloud: 35%
Most Significant Cloud Type: medium
100%
0.0 In
21:00

NNE
NNE

 4 / 5 mph 46 / 44°F 56% 1025 mb
Low level cloud: 0%
Mid level cloud: 19%
High level cloud: 100%
Most Significant Cloud Type: medium
22%
0.0 In
Tue 25
Nov		03:00

S
S

 6 / 11 mph 46 / 44°F 90% 1012 mb
Low level cloud: 76%
Mid level cloud: 7%
High level cloud: 0%
Most Significant Cloud Type: low
78%
0.0 In
09:00

NE
NE

 3 / 3 mph 47 / 46°F 50% 1026 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 10%
Most Significant Cloud Type: high
10%
0.0 In
15:00

W
W

 24 / 34 mph 45 / 36°F 48% 1010 mb
Low level cloud: 34%
Mid level cloud: 84%
High level cloud: 0%
Most Significant Cloud Type: low
63%
0.1 In
21:00

NE
NE

 3 / 5 mph 45 / 44°F 50% 1022 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 100%
Most Significant Cloud Type: high
99%
0.0 In
Wed 26
Nov		03:00

WNW
WNW

 21 / 35 mph 36 / 26°F 67% 1013 mb
Low level cloud: 33%
Mid level cloud: 48%
High level cloud: 0%
Most Significant Cloud Type: low
50%
0.3 In
09:00

ENE
ENE

 0 / 0 mph 47 / 47°F 63% 1015 mb
Low level cloud: 85%
Mid level cloud: 45%
High level cloud: 57%
Most Significant Cloud Type: low
100%
0.0 In
15:00

WNW
WNW

 16 / 29 mph 43 / 36°F 52% 1018 mb
Low level cloud: 26%
Mid level cloud: 16%
High level cloud: 0%
Most Significant Cloud Type: low
31%
0.0 In
21:00

SW
SW

 6 / 9 mph 43 / 39°F 89% 1008 mb
Low level cloud: 95%
Mid level cloud: 95%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.4 In
Thu 27
Nov		03:00

SSE
SSE

 5 / 9 mph 39 / 35°F 85% 1020 mb
Low level cloud: 11%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
11%
0.0 In
09:00

WNW
WNW

 15 / 30 mph 41 / 33°F 76% 1013 mb
Low level cloud: 85%
Mid level cloud: 66%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.2 In
15:00

SW
SW

 14 / 25 mph 58 / 55°F 61% 1015 mb
Low level cloud: 2%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
1%
0.0 In
21:00

WNW
WNW

 12 / 19 mph 43 / 36°F 66% 1016 mb
Low level cloud: 4%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
4%
0.0 In
Fri 28
Nov		03:00

SSW
SSW

 7 / 13 mph 52 / 49°F 93% 1015 mb
Low level cloud: 13%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
13%
0.0 In
09:00

NNW
NNW

 5 / 9 mph 43 / 40°F 60% 1020 mb
Low level cloud: 0%
Mid level cloud: 22%
High level cloud: 16%
Most Significant Cloud Type: medium
22%
0.0 In
15:00

WSW
WSW

 14 / 25 mph 62 / 62°F 63% 1013 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
21:00

NW
NW

 5 / 9 mph 44 / 41°F 90% 1019 mb
Low level cloud: 89%
Mid level cloud: 60%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.0 In
Sat 29
Nov		03:00

S
S

 5 / 8 mph 53 / 51°F 92% 1013 mb
Low level cloud: 5%
Mid level cloud: 1%
High level cloud: 0%
Most Significant Cloud Type: low
5%
0.0 In
09:00

NNW
NNW

 5 / 8 mph 42 / 39°F 53% 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

WNW
WNW

 13 / 24 mph 58 / 56°F 65% 1011 mb
Low level cloud: 15%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
14%
0.0 In
21:00

NE
NE

 3 / 6 mph 40 / 38°F 62% 1026 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 Nonsan

The day label given represents the local day relative to the local time for the location you are looking at.
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Day

This time is corrected for local time zones and where possible for daylight saving times.
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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.
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Dir

This refers to the sustained average wind speed, normally averaged over a period of 10 minutes for up to 3 hrs.
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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.
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Temp/
Feels Like

The relative humidity is the percent of saturation humidity, generally calculated in relation to saturated vapour density.
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Humidity

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