WEATHER FOR BUSINESS

We supply weather data to businesses

Free Weather Plugin

Add this forecast to your website



Local Weather

Rovaniemi 14 Day Long Range Forecast

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

Finland

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

Over the next 14 days the Rovaniemi forecast suggests the average daytime maximum temperature will be around 5°C, with a high for the two weeks of 9°C expected on the afternoon of Tuesday 14th. The mean minimum temperature will be -2°C, dipping to its lowest on the morning of Wednesday 8th at -11°C. The coming 14 days will remain predominantly dry. On the whole winds are likely to be moderate.

DayLocal TimeDirSpeed/
Gust
Temp/
Feels Like
HumidityPressureCloud AmountPrecip AmountWeather
Tue 07
May
05:00

NNE
NNE

9 / 15 mph 22 / 12°F 91% 1021 mb
Low level cloud: 14%
Mid level cloud: 10%
High level cloud: 0%
Most Significant Cloud Type: low
17%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
08:00

NNE
NNE

11 / 15 mph 26 / 16°F 83% 1023 mb
Low level cloud: 23%
Mid level cloud: 8%
High level cloud: 0%
Most Significant Cloud Type: low
25%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
11:00

NE
NE

11 / 16 mph 29 / 19°F 71% 1024 mb
Low level cloud: 57%
Mid level cloud: 20%
High level cloud: 0%
Most Significant Cloud Type: low
64%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
14:00

NNE
NNE

9 / 13 mph 31 / 23°F 74% 1025 mb
Low level cloud: 2%
Mid level cloud: 42%
High level cloud: 0%
Most Significant Cloud Type: medium
48%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
17:00

NNE
NNE

8 / 12 mph 31 / 24°F 79% 1026 mb
Low level cloud: 0%
Mid level cloud: 45%
High level cloud: 0%
Most Significant Cloud Type: medium
44%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
20:00

N
N

6 / 11 mph 28 / 22°F 87% 1027 mb
Low level cloud: 0%
Mid level cloud: 68%
High level cloud: 0%
Most Significant Cloud Type: medium
68%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
23:00

N
N

5 / 11 mph 21 / 14°F 93% 1028 mb
Low level cloud: 1%
Mid level cloud: 24%
High level cloud: 0%
Most Significant Cloud Type: medium
26%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Wed 08
May
02:00

NNE
NNE

4 / 8 mph 17 / 10°F 95% 1030 mb
Low level cloud: 0%
Mid level cloud: 7%
High level cloud: 0%
Most Significant Cloud Type: medium
6%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
05:00

NNE
NNE

3 / 6 mph 19 / 14°F 93% 1030 mb
Low level cloud: 1%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: medium
6%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
08:00

NNE
NNE

4 / 6 mph 27 / 22°F 82% 1030 mb
Low level cloud: 0%
Mid level cloud: 6%
High level cloud: 0%
Most Significant Cloud Type: medium
6%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
11:00

N
N

4 / 6 mph 30 / 26°F 76% 1030 mb
Low level cloud: 100%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
14:00

N
N

3 / 4 mph 33 / 30°F 76% 1029 mb
Low level cloud: 82%
Mid level cloud: 0%
High level cloud: 1%
Most Significant Cloud Type: low
81%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
17:00

NNW
NNW

1 / 2 mph 33 / 33°F 76% 1028 mb
Low level cloud: 27%
Mid level cloud: 0%
High level cloud: 3%
Most Significant Cloud Type: low
27%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
20:00

SE
SE

2 / 3 mph 29 / 29°F 92% 1027 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: medium
2%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
23:00

SSE
SSE

2 / 5 mph 22 / 19°F 96% 1027 mb
Low level cloud: 41%
Mid level cloud: 8%
High level cloud: 4%
Most Significant Cloud Type: low
44%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Thu 09
May
02:00

S
S

2 / 4 mph 21 / 18°F 97% 1026 mb
Low level cloud: 38%
Mid level cloud: 9%
High level cloud: 42%
Most Significant Cloud Type: low
46%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
05:00

SSE
SSE

2 / 4 mph 25 / 22°F 89% 1024 mb
Low level cloud: 59%
Mid level cloud: 13%
High level cloud: 100%
Most Significant Cloud Type: low
75%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
08:00

S
S

6 / 8 mph 31 / 25°F 76% 1022 mb
Low level cloud: 45%
Mid level cloud: 44%
High level cloud: 68%
Most Significant Cloud Type: low
68%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
11:00

SSW
SSW

6 / 9 mph 34 / 29°F 74% 1020 mb
Low level cloud: 0%
Mid level cloud: 72%
High level cloud: 100%
Most Significant Cloud Type: medium
75%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
14:00

SSW
SSW

5 / 8 mph 37 / 32°F 77% 1018 mb
Low level cloud: 53%
Mid level cloud: 47%
High level cloud: 100%
Most Significant Cloud Type: low
81%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
17:00

SW
SW

6 / 9 mph 36 / 30°F 85% 1017 mb
Low level cloud: 66%
Mid level cloud: 44%
High level cloud: 3%
Most Significant Cloud Type: low
81%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
20:00

SSW
SSW

4 / 6 mph 33 / 29°F 95% 1015 mb
Low level cloud: 48%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: low
63%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
23:00

S
S

3 / 7 mph 27 / 23°F 99% 1013 mb
Low level cloud: 38%
Mid level cloud: 26%
High level cloud: 1%
Most Significant Cloud Type: low
47%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Fri 10
May
02:00

S
S

3 / 6 mph 28 / 24°F 98% 1011 mb
Low level cloud: 77%
Mid level cloud: 29%
High level cloud: 0%
Most Significant Cloud Type: low
87%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
05:00

WSW
WSW

4 / 6 mph 30 / 26°F 96% 1009 mb
Low level cloud: 98%
Mid level cloud: 59%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
08:00

NNW
NNW

9 / 13 mph 33 / 26°F 93% 1008 mb
Low level cloud: 96%
Mid level cloud: 11%
High level cloud: 0%
Most Significant Cloud Type: low
99%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
11:00

NW
NW

11 / 16 mph 40 / 32°F 83% 1008 mb
Low level cloud: 5%
Mid level cloud: 21%
High level cloud: 0%
Most Significant Cloud Type: medium
33%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
14:00

NNW
NNW

13 / 18 mph 42 / 34°F 79% 1009 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
17:00

NNW
NNW

12 / 19 mph 41 / 34°F 77% 1010 mb
Low level cloud: 0%
Mid level cloud: 14%
High level cloud: 0%
Most Significant Cloud Type: medium
14%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
20:00

NNW
NNW

10 / 17 mph 38 / 31°F 81% 1011 mb
Low level cloud: 0%
Mid level cloud: 23%
High level cloud: 0%
Most Significant Cloud Type: medium
23%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
23:00

NW
NW

5 / 11 mph 32 / 27°F 93% 1012 mb
Low level cloud: 16%
Mid level cloud: 29%
High level cloud: 0%
Most Significant Cloud Type: low
26%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sat 11
May
02:00

WNW
WNW

4 / 8 mph 29 / 25°F 95% 1013 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
05:00

NW
NW

8 / 13 mph 33 / 25°F 83% 1013 mb
Low level cloud: 12%
Mid level cloud: 16%
High level cloud: 0%
Most Significant Cloud Type: low
17%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
08:00

NW
NW

12 / 17 mph 37 / 29°F 75% 1013 mb
Low level cloud: 8%
Mid level cloud: 10%
High level cloud: 13%
Most Significant Cloud Type: low
13%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
11:00

NW
NW

14 / 19 mph 40 / 32°F 71% 1013 mb
Low level cloud: 21%
Mid level cloud: 29%
High level cloud: 87%
Most Significant Cloud Type: low
42%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
14:00

NW
NW

13 / 18 mph 41 / 34°F 74% 1012 mb
Low level cloud: 15%
Mid level cloud: 100%
High level cloud: 6%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
17:00

NNW
NNW

13 / 19 mph 41 / 33°F 74% 1012 mb
Low level cloud: 0%
Mid level cloud: 21%
High level cloud: 4%
Most Significant Cloud Type: medium
22%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
20:00

NNW
NNW

11 / 19 mph 38 / 30°F 77% 1013 mb
Low level cloud: 10%
Mid level cloud: 28%
High level cloud: 81%
Most Significant Cloud Type: low
29%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
23:00

NNW
NNW

10 / 17 mph 34 / 27°F 83% 1014 mb
Low level cloud: 28%
Mid level cloud: 91%
High level cloud: 9%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sun 12
May
02:00

NNW
NNW

6 / 11 mph 30 / 24°F 93% 1015 mb
Low level cloud: 19%
Mid level cloud: 18%
High level cloud: 13%
Most Significant Cloud Type: low
26%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
05:00

NNW
NNW

6 / 11 mph 32 / 25°F 89% 1016 mb
Low level cloud: 13%
Mid level cloud: 25%
High level cloud: 5%
Most Significant Cloud Type: low
22%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
08:00

NNW
NNW

9 / 12 mph 37 / 30°F 72% 1016 mb
Low level cloud: 62%
Mid level cloud: 25%
High level cloud: 5%
Most Significant Cloud Type: low
71%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
11:00

N
N

8 / 10 mph 42 / 37°F 64% 1016 mb
Low level cloud: 31%
Mid level cloud: 13%
High level cloud: 8%
Most Significant Cloud Type: low
37%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
14:00

NNE
NNE

6 / 8 mph 43 / 40°F 63% 1015 mb
Low level cloud: 99%
Mid level cloud: 9%
High level cloud: 75%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
17:00

ENE
ENE

4 / 6 mph 45 / 42°F 65% 1015 mb
Low level cloud: 25%
Mid level cloud: 5%
High level cloud: 98%
Most Significant Cloud Type: low
38%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
20:00

SE
SE

4 / 6 mph 40 / 37°F 86% 1016 mb
Low level cloud: 15%
Mid level cloud: 27%
High level cloud: 100%
Most Significant Cloud Type: low
36%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
23:00

SSE
SSE

2 / 3 mph 37 / 37°F 89% 1016 mb
Low level cloud: 56%
Mid level cloud: 76%
High level cloud: 32%
Most Significant Cloud Type: low
86%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Mon 13
May
02:00

SSE
SSE

1 / 2 mph 37 / 37°F 90% 1017 mb
Low level cloud: 94%
Mid level cloud: 45%
High level cloud: 21%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
05:00

SE
SE

1 / 1 mph 37 / 37°F 90% 1017 mb
Low level cloud: 89%
Mid level cloud: 47%
High level cloud: 32%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
08:00

WSW
WSW

1 / 2 mph 39 / 38°F 92% 1017 mb
Low level cloud: 99%
Mid level cloud: 46%
High level cloud: 3%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
11:00

WNW
WNW

3 / 4 mph 40 / 39°F 90% 1017 mb
Low level cloud: 83%
Mid level cloud: 30%
High level cloud: 9%
Most Significant Cloud Type: low
94%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
14:00

NNW
NNW

2 / 3 mph 45 / 45°F 74% 1016 mb
Low level cloud: 81%
Mid level cloud: 31%
High level cloud: 51%
Most Significant Cloud Type: low
98%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
17:00

W
W

1 / 2 mph 47 / 47°F 69% 1014 mb
Low level cloud: 96%
Mid level cloud: 25%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
20:00

SE
SE

3 / 5 mph 44 / 42°F 81% 1012 mb
Low level cloud: 81%
Mid level cloud: 65%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
23:00

S
S

5 / 9 mph 41 / 37°F 90% 1010 mb
Low level cloud: 23%
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
DayLocal TimeDirSpeed/
Gust
Temp/
Feels Like
HumidityPressureCloud AmountPrecip AmountWeather
Tue 14
May
02:00

N
N

13 / 25 mph 33 / 24°F 94% 1009 mb
Low level cloud: 83%
Mid level cloud: 100%
High level cloud: 10%
Most Significant Cloud Type: low
100%
0.0 In
08:00

WNW
WNW

5 / 9 mph 39 / 36°F 94% 1004 mb
Low level cloud: 82%
Mid level cloud: 75%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.1 In
14:00

NNE
NNE

15 / 31 mph 40 / 31°F 77% 1014 mb
Low level cloud: 67%
Mid level cloud: 100%
High level cloud: 3%
Most Significant Cloud Type: low
100%
0.1 In
20:00

NNE
NNE

4 / 7 mph 44 / 42°F 62% 1006 mb
Low level cloud: 0%
Mid level cloud: 29%
High level cloud: 0%
Most Significant Cloud Type: medium
29%
0.0 In
Wed 15
May
02:00

NNE
NNE

12 / 25 mph 33 / 24°F 82% 1019 mb
Low level cloud: 81%
Mid level cloud: 98%
High level cloud: 49%
Most Significant Cloud Type: low
100%
0.0 In
08:00

N
N

3 / 5 mph 44 / 43°F 54% 1005 mb
Low level cloud: 0%
Mid level cloud: 31%
High level cloud: 0%
Most Significant Cloud Type: medium
30%
0.0 In
14:00

NE
NE

12 / 24 mph 37 / 29°F 67% 1020 mb
Low level cloud: 98%
Mid level cloud: 45%
High level cloud: 39%
Most Significant Cloud Type: low
100%
0.0 In
20:00

NNE
NNE

4 / 7 mph 46 / 44°F 51% 1003 mb
Low level cloud: 0%
Mid level cloud: 100%
High level cloud: 6%
Most Significant Cloud Type: medium
100%
0.0 In
Thu 16
May
02:00

NNE
NNE

8 / 17 mph 28 / 20°F 88% 1021 mb
Low level cloud: 20%
Mid level cloud: 7%
High level cloud: 0%
Most Significant Cloud Type: low
22%
0.0 In
08:00

N
N

6 / 12 mph 44 / 40°F 48% 1005 mb
Low level cloud: 0%
Mid level cloud: 21%
High level cloud: 18%
Most Significant Cloud Type: medium
21%
0.0 In
14:00

N
N

8 / 16 mph 45 / 41°F 44% 1018 mb
Low level cloud: 0%
Mid level cloud: 100%
High level cloud: 14%
Most Significant Cloud Type: medium
100%
0.0 In
20:00

NNE
NNE

9 / 17 mph 40 / 34°F 69% 1009 mb
Low level cloud: 11%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: medium
100%
0.0 In
Fri 17
May
02:00

SSW
SSW

1 / 2 mph 38 / 38°F 83% 1016 mb
Low level cloud: 63%
Mid level cloud: 100%
High level cloud: 83%
Most Significant Cloud Type: low
100%
0.0 In
08:00

N
N

10 / 19 mph 37 / 29°F 58% 1013 mb
Low level cloud: 17%
Mid level cloud: 91%
High level cloud: 100%
Most Significant Cloud Type: medium
100%
0.0 In
14:00

NNW
NNW

8 / 17 mph 52 / 49°F 42% 1014 mb
Low level cloud: 0%
Mid level cloud: 44%
High level cloud: 32%
Most Significant Cloud Type: medium
46%
0.0 In
20:00

NE
NE

7 / 14 mph 39 / 34°F 66% 1012 mb
Low level cloud: 0%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: medium
100%
0.0 In
Sat 18
May
02:00

N
N

9 / 18 mph 35 / 28°F 70% 1021 mb
Low level cloud: 1%
Mid level cloud: 5%
High level cloud: 6%
Most Significant Cloud Type: medium
7%
0.0 In
08:00

N
N

11 / 22 mph 38 / 30°F 58% 1014 mb
Low level cloud: 64%
Mid level cloud: 44%
High level cloud: 100%
Most Significant Cloud Type: low
91%
0.0 In
14:00

NW
NW

4 / 8 mph 45 / 43°F 29% 1023 mb
Low level cloud: 0%
Mid level cloud: 22%
High level cloud: 32%
Most Significant Cloud Type: medium
23%
0.0 In
20:00

NNE
NNE

1 / 2 mph 43 / 43°F 53% 1013 mb
Low level cloud: 0%
Mid level cloud: 48%
High level cloud: 28%
Most Significant Cloud Type: medium
49%
0.0 In
Sun 19
May
02:00

SSW
SSW

8 / 16 mph 37 / 31°F 52% 1017 mb
Low level cloud: 1%
Mid level cloud: 100%
High level cloud: 62%
Most Significant Cloud Type: medium
100%
0.0 In
08:00

SSW
SSW

10 / 19 mph 44 / 38°F 48% 1009 mb
Low level cloud: 0%
Mid level cloud: 76%
High level cloud: 54%
Most Significant Cloud Type: medium
77%
0.0 In
14:00

NW
NW

4 / 8 mph 51 / 51°F 46% 1010 mb
Low level cloud: 14%
Mid level cloud: 89%
High level cloud: 0%
Most Significant Cloud Type: medium
100%
0.0 In
20:00

SSW
SSW

12 / 22 mph 42 / 35°F 70% 1002 mb
Low level cloud: 75%
Mid level cloud: 56%
High level cloud: 98%
Most Significant Cloud Type: low
100%
0.0 In
Mon 20
May
02:00

WNW
WNW

3 / 5 mph 41 / 40°F 72% 1013 mb
Low level cloud: 0%
Mid level cloud: 46%
High level cloud: 97%
Most Significant Cloud Type: medium
50%
0.0 In
08:00

S
S

9 / 16 mph 38 / 32°F 90% 997 mb
Low level cloud: 100%
Mid level cloud: 75%
High level cloud: 39%
Most Significant Cloud Type: low
100%
0.0 In
14:00

NNE
NNE

4 / 8 mph 52 / 52°F 36% 1020 mb
Low level cloud: 0%
Mid level cloud: 20%
High level cloud: 7%
Most Significant Cloud Type: medium
20%
0.0 In
20:00

SSE
SSE

7 / 14 mph 41 / 36°F 78% 997 mb
Low level cloud: 15%
Mid level cloud: 58%
High level cloud: 99%
Most Significant Cloud Type: medium
100%
0.0 In
Tue 21
May
02:00

SSE
SSE

3 / 6 mph 41 / 39°F 65% 1023 mb
Low level cloud: 0%
Mid level cloud: 32%
High level cloud: 70%
Most Significant Cloud Type: medium
34%
0.0 In
08:00

E
E

5 / 11 mph 42 / 39°F 89% 1003 mb
Low level cloud: 65%
Mid level cloud: 58%
High level cloud: 77%
Most Significant Cloud Type: low
94%
0.1 In

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