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Ellenglaze 14 Day Long Range Forecast

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

Cornwall, United Kingdom

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

Taking a look at Ellenglaze over the coming two weeks and the average daytime maximum temperature will be around 17°C, with a high for the two weeks of 22°C expected on the afternoon of Monday 20th. The mean minimum temperature will be 12°C, dipping to its lowest on the morning of Thursday 23rd at 8°C. The coming 14 days will have some days seeing a little precipitation and some days with rain. The indicators are that Sunday 26th will have the most precipitation with an accumulation of around 8.0mm. On the whole winds are likely to be moderate.

DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Fri 17
May		18:00

E
E

 3 / 4 mph 63 / 60°F 83% 1011 mb
Low level cloud: 37%
Mid level cloud: 44%
High level cloud: 32%
Most Significant Cloud Type: low
55%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

E
E

 2 / 3 mph 58 / 59°F 90% 1013 mb
Low level cloud: 7%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sat 18
May		00:00

E
E

 3 / 4 mph 56 / 57°F 91% 1013 mb
Low level cloud: 5%
Mid level cloud: 46%
High level cloud: 100%
Most Significant Cloud Type: medium
63%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

N
N

 2 / 4 mph 54 / 55°F 90% 1014 mb
Low level cloud: 3%
Mid level cloud: 100%
High level cloud: 32%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

N
N

 7 / 13 mph 55 / 51°F 91% 1014 mb
Low level cloud: 8%
Mid level cloud: 30%
High level cloud: 94%
Most Significant Cloud Type: medium
56%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

N
N

 8 / 13 mph 57 / 54°F 86% 1015 mb
Low level cloud: 3%
Mid level cloud: 44%
High level cloud: 78%
Most Significant Cloud Type: medium
56%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

NNW
NNW

 8 / 10 mph 60 / 58°F 84% 1015 mb
Low level cloud: 0%
Mid level cloud: 58%
High level cloud: 14%
Most Significant Cloud Type: medium
58%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

NNW
NNW

 8 / 10 mph 62 / 60°F 87% 1014 mb
Low level cloud: 12%
Mid level cloud: 39%
High level cloud: 15%
Most Significant Cloud Type: medium
75%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

NNW
NNW

 7 / 8 mph 60 / 59°F 93% 1014 mb
Low level cloud: 51%
Mid level cloud: 67%
High level cloud: 6%
Most Significant Cloud Type: low
75%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

NW
NW

 4 / 6 mph 59 / 57°F 96% 1015 mb
Low level cloud: 40%
Mid level cloud: 44%
High level cloud: 13%
Most Significant Cloud Type: low
56%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sun 19
May		00:00

NNE
NNE

 3 / 5 mph 58 / 58°F 94% 1014 mb
Low level cloud: 17%
Mid level cloud: 24%
High level cloud: 11%
Most Significant Cloud Type: low
26%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

NE
NE

 5 / 9 mph 56 / 55°F 91% 1014 mb
Low level cloud: 9%
Mid level cloud: 32%
High level cloud: 0%
Most Significant Cloud Type: medium
56%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

ENE
ENE

 6 / 11 mph 57 / 54°F 91% 1015 mb
Low level cloud: 5%
Mid level cloud: 22%
High level cloud: 0%
Most Significant Cloud Type: medium
34%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

ENE
ENE

 6 / 11 mph 60 / 57°F 81% 1015 mb
Low level cloud: 7%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: low
7%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

NE
NE

 6 / 9 mph 65 / 63°F 79% 1015 mb
Low level cloud: 21%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
20%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

SE
SE

 5 / 6 mph 68 / 65°F 84% 1015 mb
Low level cloud: 54%
Mid level cloud: 24%
High level cloud: 0%
Most Significant Cloud Type: low
62%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

SE
SE

 4 / 6 mph 66 / 64°F 88% 1015 mb
Low level cloud: 22%
Mid level cloud: 27%
High level cloud: 0%
Most Significant Cloud Type: low
31%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
21:00

NNE
NNE

 3 / 4 mph 63 / 61°F 89% 1015 mb
Low level cloud: 3%
Mid level cloud: 18%
High level cloud: 0%
Most Significant Cloud Type: medium
27%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Mon 20
May		00:00

ENE
ENE

 5 / 10 mph 56 / 56°F 87% 1015 mb
Low level cloud: 3%
Mid level cloud: 22%
High level cloud: 0%
Most Significant Cloud Type: medium
30%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

E
E

 6 / 11 mph 54 / 53°F 89% 1014 mb
Low level cloud: 0%
Mid level cloud: 9%
High level cloud: 0%
Most Significant Cloud Type: medium
9%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

ENE
ENE

 6 / 12 mph 55 / 51°F 90% 1014 mb
Low level cloud: 3%
Mid level cloud: 23%
High level cloud: 3%
Most Significant Cloud Type: medium
30%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

E
E

 7 / 8 mph 65 / 63°F 82% 1014 mb
Low level cloud: 33%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
33%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

E
E

 7 / 8 mph 69 / 67°F 68% 1013 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

ENE
ENE

 6 / 7 mph 71 / 68°F 68% 1012 mb
Low level cloud: 1%
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

NNE
NNE

 2 / 2 mph 70 / 67°F 78% 1011 mb
Low level cloud: 38%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: low
40%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

NNE
NNE

 2 / 4 mph 59 / 59°F 86% 1011 mb
Low level cloud: 32%
Mid level cloud: 12%
High level cloud: 0%
Most Significant Cloud Type: low
36%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Tue 21
May		00:00

ENE
ENE

 5 / 9 mph 57 / 56°F 88% 1010 mb
Low level cloud: 4%
Mid level cloud: 11%
High level cloud: 0%
Most Significant Cloud Type: low
7%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

ENE
ENE

 4 / 7 mph 55 / 55°F 90% 1010 mb
Low level cloud: 10%
Mid level cloud: 18%
High level cloud: 0%
Most Significant Cloud Type: low
16%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

SE
SE

 3 / 5 mph 55 / 54°F 90% 1010 mb
Low level cloud: 12%
Mid level cloud: 13%
High level cloud: 0%
Most Significant Cloud Type: low
16%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

NW
NW

 2 / 3 mph 59 / 59°F 85% 1010 mb
Low level cloud: 7%
Mid level cloud: 21%
High level cloud: 5%
Most Significant Cloud Type: medium
40%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

NNW
NNW

 3 / 5 mph 65 / 62°F 82% 1010 mb
Low level cloud: 19%
Mid level cloud: 28%
High level cloud: 25%
Most Significant Cloud Type: low
32%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
15:00

NW
NW

 7 / 9 mph 67 / 64°F 82% 1010 mb
Low level cloud: 5%
Mid level cloud: 28%
High level cloud: 21%
Most Significant Cloud Type: medium
43%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

NW
NW

 6 / 7 mph 66 / 62°F 85% 1011 mb
Low level cloud: 9%
Mid level cloud: 28%
High level cloud: 100%
Most Significant Cloud Type: medium
57%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

NW
NW

 8 / 10 mph 60 / 58°F 90% 1012 mb
Low level cloud: 15%
Mid level cloud: 32%
High level cloud: 100%
Most Significant Cloud Type: low
38%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Wed 22
May		00:00

NW
NW

 6 / 9 mph 56 / 55°F 90% 1012 mb
Low level cloud: 5%
Mid level cloud: 46%
High level cloud: 66%
Most Significant Cloud Type: medium
61%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

NW
NW

 6 / 10 mph 54 / 52°F 89% 1012 mb
Low level cloud: 1%
Mid level cloud: 44%
High level cloud: 87%
Most Significant Cloud Type: medium
49%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

WNW
WNW

 7 / 13 mph 54 / 51°F 88% 1012 mb
Low level cloud: 0%
Mid level cloud: 16%
High level cloud: 21%
Most Significant Cloud Type: medium
18%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

WNW
WNW

 9 / 14 mph 57 / 53°F 88% 1013 mb
Low level cloud: 17%
Mid level cloud: 2%
High level cloud: 22%
Most Significant Cloud Type: low
20%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

NW
NW

 10 / 12 mph 60 / 57°F 85% 1014 mb
Low level cloud: 5%
Mid level cloud: 0%
High level cloud: 9%
Most Significant Cloud Type: low
5%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

NW
NW

 12 / 13 mph 62 / 60°F 89% 1014 mb
Low level cloud: 50%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
49%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

NNW
NNW

 16 / 19 mph 59 / 56°F 90% 1015 mb
Low level cloud: 95%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: low
96%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

NNW
NNW

 16 / 19 mph 57 / 53°F 91% 1016 mb
Low level cloud: 25%
Mid level cloud: 24%
High level cloud: 4%
Most Significant Cloud Type: low
33%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Thu 23
May		00:00

N
N

 16 / 27 mph 52 / 47°F 88% 1016 mb
Low level cloud: 19%
Mid level cloud: 14%
High level cloud: 19%
Most Significant Cloud Type: low
26%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

N
N

 17 / 29 mph 50 / 44°F 84% 1017 mb
Low level cloud: 66%
Mid level cloud: 19%
High level cloud: 80%
Most Significant Cloud Type: low
82%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

N
N

 18 / 31 mph 49 / 42°F 81% 1018 mb
Low level cloud: 52%
Mid level cloud: 25%
High level cloud: 20%
Most Significant Cloud Type: low
62%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

N
N

 16 / 19 mph 53 / 47°F 76% 1018 mb
Low level cloud: 33%
Mid level cloud: 29%
High level cloud: 12%
Most Significant Cloud Type: low
44%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

NNW
NNW

 13 / 16 mph 57 / 52°F 75% 1019 mb
Low level cloud: 26%
Mid level cloud: 26%
High level cloud: 2%
Most Significant Cloud Type: low
35%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

NNW
NNW

 14 / 16 mph 58 / 55°F 75% 1018 mb
Low level cloud: 23%
Mid level cloud: 18%
High level cloud: 1%
Most Significant Cloud Type: low
29%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

NNW
NNW

 10 / 12 mph 57 / 53°F 75% 1019 mb
Low level cloud: 26%
Mid level cloud: 12%
High level cloud: 0%
Most Significant Cloud Type: low
30%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

NW
NW

 6 / 7 mph 56 / 53°F 78% 1019 mb
Low level cloud: 6%
Mid level cloud: 7%
High level cloud: 2%
Most Significant Cloud Type: low
8%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Fri 24
May		00:00

NNW
NNW

 16 / 32 mph 53 / 48°F 91% 1014 mb
Low level cloud: 37%
Mid level cloud: 3%
High level cloud: 7%
Most Significant Cloud Type: low
38%
0.0 In
06:00

NNE
NNE

 13 / 27 mph 51 / 47°F 86% 1013 mb
Low level cloud: 53%
Mid level cloud: 45%
High level cloud: 100%
Most Significant Cloud Type: low
80%
0.0 In
12:00

ESE
ESE

 18 / 37 mph 59 / 59°F 78% 1013 mb
Low level cloud: 14%
Mid level cloud: 9%
High level cloud: 5%
Most Significant Cloud Type: low
17%
0.0 In
18:00

E
E

 15 / 32 mph 58 / 54°F 88% 1015 mb
Low level cloud: 44%
Mid level cloud: 55%
High level cloud: 0%
Most Significant Cloud Type: low
62%
0.0 In
Sat 25
May		00:00

NNW
NNW

 13 / 27 mph 56 / 53°F 93% 1019 mb
Low level cloud: 86%
Mid level cloud: 76%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.0 In
06:00

SSW
SSW

 5 / 11 mph 50 / 47°F 90% 1026 mb
Low level cloud: 64%
Mid level cloud: 42%
High level cloud: 1%
Most Significant Cloud Type: low
78%
0.0 In
12:00

SSW
SSW

 13 / 28 mph 56 / 52°F 70% 1021 mb
Low level cloud: 60%
Mid level cloud: 75%
High level cloud: 1%
Most Significant Cloud Type: low
86%
0.0 In
18:00

SSE
SSE

 13 / 23 mph 58 / 55°F 82% 1018 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 100%
Most Significant Cloud Type: high
99%
0.0 In
Sun 26
May		00:00

SSE
SSE

 11 / 23 mph 55 / 52°F 96% 1011 mb
Low level cloud: 76%
Mid level cloud: 32%
High level cloud: 76%
Most Significant Cloud Type: low
96%
0.0 In
06:00

S
S

 8 / 16 mph 52 / 49°F 91% 1016 mb
Low level cloud: 28%
Mid level cloud: 68%
High level cloud: 100%
Most Significant Cloud Type: low
63%
0.0 In
12:00

E
E

 4 / 9 mph 57 / 57°F 96% 1009 mb
Low level cloud: 91%
Mid level cloud: 53%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.2 In
18:00

WNW
WNW

 15 / 29 mph 55 / 51°F 79% 1017 mb
Low level cloud: 2%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: low
3%
0.1 In
Mon 27
May		00:00

ENE
ENE

 4 / 9 mph 59 / 59°F 94% 1011 mb
Low level cloud: 49%
Mid level cloud: 15%
High level cloud: 2%
Most Significant Cloud Type: low
54%
0.1 In
06:00

NW
NW

 15 / 30 mph 50 / 44°F 73% 1020 mb
Low level cloud: 33%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: low
33%
0.0 In
12:00

NE
NE

 9 / 18 mph 60 / 60°F 92% 1014 mb
Low level cloud: 100%
Mid level cloud: 43%
High level cloud: 19%
Most Significant Cloud Type: low
100%
0.0 In
18:00

WNW
WNW

 11 / 23 mph 52 / 49°F 69% 1023 mb
Low level cloud: 21%
Mid level cloud: 6%
High level cloud: 0%
Most Significant Cloud Type: low
23%
0.0 In
Tue 28
May		00:00

NNE
NNE

 6 / 14 mph 56 / 54°F 92% 1015 mb
Low level cloud: 1%
Mid level cloud: 0%
High level cloud: 11%
Most Significant Cloud Type: low
2%
0.0 In
06:00

NNW
NNW

 8 / 17 mph 49 / 46°F 78% 1024 mb
Low level cloud: 16%
Mid level cloud: 11%
High level cloud: 0%
Most Significant Cloud Type: low
20%
0.0 In
12:00

NNW
NNW

 4 / 8 mph 62 / 62°F 83% 1014 mb
Low level cloud: 2%
Mid level cloud: 6%
High level cloud: 100%
Most Significant Cloud Type: medium
16%
0.0 In
18:00

NW
NW

 9 / 18 mph 53 / 50°F 70% 1025 mb
Low level cloud: 31%
Mid level cloud: 1%
High level cloud: 17%
Most Significant Cloud Type: low
33%
0.0 In
Wed 29
May		00:00

WNW
WNW

 9 / 18 mph 53 / 50°F 96% 1012 mb
Low level cloud: 70%
Mid level cloud: 17%
High level cloud: 100%
Most Significant Cloud Type: low
87%
0.0 In
06:00

SSW
SSW

 7 / 15 mph 47 / 43°F 80% 1023 mb
Low level cloud: 27%
Mid level cloud: 67%
High level cloud: 32%
Most Significant Cloud Type: low
54%
0.0 In
12:00

WNW
WNW

 15 / 31 mph 57 / 53°F 67% 1014 mb
Low level cloud: 36%
Mid level cloud: 3%
High level cloud: 10%
Most Significant Cloud Type: low
38%
0.0 In
18:00

SSW
SSW

 15 / 30 mph 55 / 51°F 97% 1018 mb
Low level cloud: 100%
Mid level cloud: 44%
High level cloud: 99%
Most Significant Cloud Type: low
100%
0.2 In
Thu 30
May		00:00

W
W

 16 / 33 mph 52 / 47°F 70% 1013 mb
Low level cloud: 29%
Mid level cloud: 57%
High level cloud: 0%
Most Significant Cloud Type: low
48%
0.0 In
06:00

NNW
NNW

 16 / 32 mph 49 / 44°F 87% 1020 mb
Low level cloud: 57%
Mid level cloud: 12%
High level cloud: 8%
Most Significant Cloud Type: low
62%
0.0 In
12:00

W
W

 16 / 34 mph 54 / 49°F 70% 1012 mb
Low level cloud: 11%
Mid level cloud: 46%
High level cloud: 100%
Most Significant Cloud Type: medium
81%
0.1 In
18:00

NW
NW

 13 / 26 mph 53 / 48°F 76% 1023 mb
Low level cloud: 4%
Mid level cloud: 15%
High level cloud: 32%
Most Significant Cloud Type: medium
28%
0.0 In
Fri 31
May		00:00

WNW
WNW

 14 / 30 mph 50 / 46°F 79% 1009 mb
Low level cloud: 36%
Mid level cloud: 7%
High level cloud: 0%
Most Significant Cloud Type: low
38%
0.2 In
06:00

WNW
WNW

 6 / 13 mph 53 / 51°F 84% 1023 mb
Low level cloud: 0%
Mid level cloud: 29%
High level cloud: 100%
Most Significant Cloud Type: medium
32%
0.0 In
12:00

NW
NW

 18 / 38 mph 52 / 46°F 70% 1014 mb
Low level cloud: 33%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: low
35%
0.1 In
18:00

WSW
WSW

 15 / 30 mph 57 / 53°F 80% 1023 mb
Low level cloud: 0%
Mid level cloud: 11%
High level cloud: 32%
Most Significant Cloud Type: medium
12%
0.0 In
Sat 01
Jun		00:00

NW
NW

 11 / 24 mph 52 / 48°F 78% 1018 mb
Low level cloud: 1%
Mid level cloud: 15%
High level cloud: 10%
Most Significant Cloud Type: medium
19%
0.0 In
06:00

WSW
WSW

 11 / 23 mph 55 / 51°F 96% 1022 mb
Low level cloud: 97%
Mid level cloud: 0%
High level cloud: 5%
Most Significant Cloud Type: low
97%
0.0 In
12:00

WNW
WNW

 4 / 9 mph 57 / 57°F 67% 1020 mb
Low level cloud: 1%
Mid level cloud: 14%
High level cloud: 6%
Most Significant Cloud Type: medium
18%
0.0 In
18:00

WSW
WSW

 8 / 17 mph 57 / 55°F 80% 1024 mb
Low level cloud: 0%
Mid level cloud: 12%
High level cloud: 8%
Most Significant Cloud Type: medium
11%
0.0 In

Other Locations Near to Ellenglaze

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