Fast Forecast

WEATHER FOR BUSINESS

We supply weather data to businesses

Free Weather Plugin

Add this forecast to your website



Local Weather

Batchworth 14 Day Long Range Forecast

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

Hertfordshire, United Kingdom

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

The forecast for Batchworth in the coming two weeks is predicting the average daytime maximum temperature will be around 15°C, with a high for the two weeks of 18°C expected on the afternoon of Tuesday 7th. The average minimum temperature will be 8°C, dipping to its lowest on the morning of Monday 29th at 4°C. Expect the coming 14 days to have some days seeing a little precipitation and some days with rain. It looks like Sunday 28th will have the most precipitation with an accumulation of around 27.0mm. On the whole winds are likely to be moderate.

DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Sun 28
Apr		21:00

SW
SW

 7 / 12 mph 44 / 40°F 93% 1012 mb
Low level cloud: 1%
Mid level cloud: 19%
High level cloud: 0%
Most Significant Cloud Type: medium
21%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Mon 29
Apr		00:00

SSW
SSW

 6 / 11 mph 42 / 38°F 92% 1014 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: medium
5%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

SSW
SSW

 7 / 14 mph 39 / 34°F 95% 1014 mb
Low level cloud: 2%
Mid level cloud: 2%
High level cloud: 100%
Most Significant Cloud Type: medium
10%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

S
S

 8 / 14 mph 42 / 37°F 93% 1014 mb
Low level cloud: 8%
Mid level cloud: 38%
High level cloud: 92%
Most Significant Cloud Type: medium
63%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

SSW
SSW

 16 / 19 mph 53 / 47°F 73% 1015 mb
Low level cloud: 63%
Mid level cloud: 24%
High level cloud: 40%
Most Significant Cloud Type: low
76%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

SSW
SSW

 18 / 21 mph 57 / 52°F 59% 1014 mb
Low level cloud: 48%
Mid level cloud: 14%
High level cloud: 18%
Most Significant Cloud Type: low
55%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

SSW
SSW

 17 / 21 mph 57 / 52°F 63% 1014 mb
Low level cloud: 28%
Mid level cloud: 24%
High level cloud: 66%
Most Significant Cloud Type: low
44%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

S
S

 14 / 19 mph 55 / 50°F 73% 1014 mb
Low level cloud: 3%
Mid level cloud: 15%
High level cloud: 31%
Most Significant Cloud Type: medium
24%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

S
S

 10 / 16 mph 50 / 46°F 80% 1015 mb
Low level cloud: 0%
Mid level cloud: 29%
High level cloud: 10%
Most Significant Cloud Type: medium
29%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Tue 30
Apr		00:00

SSE
SSE

 9 / 15 mph 48 / 44°F 84% 1015 mb
Low level cloud: 0%
Mid level cloud: 7%
High level cloud: 0%
Most Significant Cloud Type: medium
7%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

SSE
SSE

 7 / 13 mph 46 / 43°F 92% 1014 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
06:00

SE
SE

 6 / 12 mph 47 / 43°F 89% 1013 mb
Low level cloud: 58%
Mid level cloud: 6%
High level cloud: 32%
Most Significant Cloud Type: low
63%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

SSE
SSE

 13 / 16 mph 56 / 52°F 74% 1011 mb
Low level cloud: 12%
Mid level cloud: 100%
High level cloud: 34%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

SE
SE

 12 / 15 mph 56 / 53°F 79% 1010 mb
Low level cloud: 81%
Mid level cloud: 100%
High level cloud: 99%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

SSE
SSE

 11 / 14 mph 59 / 56°F 72% 1009 mb
Low level cloud: 25%
Mid level cloud: 7%
High level cloud: 18%
Most Significant Cloud Type: low
29%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

S
S

 9 / 10 mph 59 / 57°F 75% 1009 mb
Low level cloud: 0%
Mid level cloud: 8%
High level cloud: 4%
Most Significant Cloud Type: medium
7%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

SE
SE

 6 / 11 mph 51 / 49°F 94% 1010 mb
Low level cloud: 18%
Mid level cloud: 27%
High level cloud: 63%
Most Significant Cloud Type: low
35%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Wed 01
May		00:00

SE
SE

 4 / 8 mph 50 / 48°F 92% 1010 mb
Low level cloud: 19%
Mid level cloud: 44%
High level cloud: 3%
Most Significant Cloud Type: low
34%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

SE
SE

 2 / 3 mph 49 / 49°F 95% 1010 mb
Low level cloud: 24%
Mid level cloud: 29%
High level cloud: 28%
Most Significant Cloud Type: low
38%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

NE
NE

 2 / 4 mph 50 / 50°F 92% 1010 mb
Low level cloud: 20%
Mid level cloud: 16%
High level cloud: 100%
Most Significant Cloud Type: low
38%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

ENE
ENE

 6 / 7 mph 57 / 56°F 75% 1010 mb
Low level cloud: 14%
Mid level cloud: 88%
High level cloud: 21%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

ENE
ENE

 8 / 10 mph 60 / 60°F 74% 1009 mb
Low level cloud: 79%
Mid level cloud: 100%
High level cloud: 68%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

ESE
ESE

 4 / 6 mph 56 / 56°F 93% 1008 mb
Low level cloud: 73%
Mid level cloud: 81%
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

E
E

 4 / 5 mph 55 / 55°F 96% 1008 mb
Low level cloud: 92%
Mid level cloud: 87%
High level cloud: 21%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

NNE
NNE

 4 / 8 mph 54 / 53°F 97% 1007 mb
Low level cloud: 61%
Mid level cloud: 71%
High level cloud: 97%
Most Significant Cloud Type: low
97%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Thu 02
May		00:00

N
N

 8 / 13 mph 50 / 47°F 98% 1005 mb
Low level cloud: 83%
Mid level cloud: 77%
High level cloud: 76%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

N
N

 10 / 15 mph 49 / 44°F 98% 1003 mb
Low level cloud: 100%
Mid level cloud: 46%
High level cloud: 20%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

N
N

 9 / 15 mph 48 / 43°F 98% 1002 mb
Low level cloud: 97%
Mid level cloud: 67%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
09:00

NW
NW

 3 / 6 mph 50 / 49°F 98% 1002 mb
Low level cloud: 100%
Mid level cloud: 75%
High level cloud: 93%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

WSW
WSW

 8 / 10 mph 53 / 50°F 98% 1003 mb
Low level cloud: 90%
Mid level cloud: 92%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
15:00

WSW
WSW

 13 / 15 mph 55 / 51°F 94% 1004 mb
Low level cloud: 92%
Mid level cloud: 45%
High level cloud: 32%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

WSW
WSW

 14 / 16 mph 54 / 49°F 91% 1006 mb
Low level cloud: 92%
Mid level cloud: 44%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

WSW
WSW

 13 / 16 mph 51 / 47°F 91% 1008 mb
Low level cloud: 96%
Mid level cloud: 44%
High level cloud: 5%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Fri 03
May		00:00

WSW
WSW

 12 / 17 mph 48 / 42°F 91% 1009 mb
Low level cloud: 50%
Mid level cloud: 45%
High level cloud: 13%
Most Significant Cloud Type: low
66%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

WSW
WSW

 12 / 18 mph 46 / 41°F 92% 1010 mb
Low level cloud: 39%
Mid level cloud: 44%
High level cloud: 92%
Most Significant Cloud Type: low
65%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

WSW
WSW

 11 / 16 mph 47 / 41°F 89% 1011 mb
Low level cloud: 21%
Mid level cloud: 31%
High level cloud: 98%
Most Significant Cloud Type: low
44%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

WSW
WSW

 12 / 15 mph 53 / 49°F 69% 1011 mb
Low level cloud: 0%
Mid level cloud: 88%
High level cloud: 100%
Most Significant Cloud Type: medium
91%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

WSW
WSW

 12 / 14 mph 57 / 54°F 60% 1011 mb
Low level cloud: 0%
Mid level cloud: 43%
High level cloud: 100%
Most Significant Cloud Type: medium
47%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

WSW
WSW

 11 / 14 mph 61 / 59°F 61% 1010 mb
Low level cloud: 17%
Mid level cloud: 32%
High level cloud: 78%
Most Significant Cloud Type: low
37%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

SW
SW

 10 / 13 mph 59 / 55°F 75% 1011 mb
Low level cloud: 9%
Mid level cloud: 6%
High level cloud: 16%
Most Significant Cloud Type: low
13%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

SSW
SSW

 7 / 10 mph 52 / 49°F 88% 1012 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 39%
Most Significant Cloud Type: medium
8%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sat 04
May		00:00

S
S

 5 / 9 mph 48 / 46°F 93% 1011 mb
Low level cloud: 13%
Mid level cloud: 17%
High level cloud: 4%
Most Significant Cloud Type: low
19%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

SSE
SSE

 4 / 9 mph 46 / 44°F 94% 1010 mb
Low level cloud: 17%
Mid level cloud: 68%
High level cloud: 18%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

SSE
SSE

 6 / 9 mph 48 / 46°F 94% 1009 mb
Low level cloud: 92%
Mid level cloud: 100%
High level cloud: 31%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

SSE
SSE

 6 / 9 mph 51 / 48°F 88% 1008 mb
Low level cloud: 66%
Mid level cloud: 43%
High level cloud: 0%
Most Significant Cloud Type: low
81%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

SSW
SSW

 10 / 14 mph 54 / 51°F 79% 1007 mb
Low level cloud: 96%
Mid level cloud: 63%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

SSW
SSW

 8 / 9 mph 54 / 51°F 82% 1006 mb
Low level cloud: 61%
Mid level cloud: 31%
High level cloud: 7%
Most Significant Cloud Type: low
72%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

SW
SW

 9 / 14 mph 54 / 50°F 86% 1006 mb
Low level cloud: 29%
Mid level cloud: 29%
High level cloud: 33%
Most Significant Cloud Type: low
43%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

SW
SW

 9 / 14 mph 48 / 44°F 96% 1007 mb
Low level cloud: 29%
Mid level cloud: 46%
High level cloud: 100%
Most Significant Cloud Type: low
57%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Sun 05
May		00:00

SSW
SSW

 7 / 13 mph 55 / 53°F 94% 1006 mb
Low level cloud: 77%
Mid level cloud: 100%
High level cloud: 95%
Most Significant Cloud Type: low
100%
0.0 In
06:00

NNE
NNE

 11 / 20 mph 47 / 42°F 96% 1011 mb
Low level cloud: 81%
Mid level cloud: 23%
High level cloud: 37%
Most Significant Cloud Type: low
93%
0.0 In
12:00

WSW
WSW

 10 / 19 mph 61 / 61°F 61% 1011 mb
Low level cloud: 48%
Mid level cloud: 27%
High level cloud: 5%
Most Significant Cloud Type: low
57%
0.0 In
18:00

NW
NW

 8 / 14 mph 68 / 68°F 82% 1012 mb
Low level cloud: 66%
Mid level cloud: 26%
High level cloud: 6%
Most Significant Cloud Type: low
75%
0.0 In
Mon 06
May		00:00

N
N

 6 / 11 mph 47 / 44°F 83% 1022 mb
Low level cloud: 15%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
14%
0.0 In
06:00

NNE
NNE

 13 / 26 mph 46 / 40°F 91% 1010 mb
Low level cloud: 93%
Mid level cloud: 5%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.0 In
12:00

WNW
WNW

 11 / 22 mph 57 / 55°F 59% 1019 mb
Low level cloud: 75%
Mid level cloud: 8%
High level cloud: 6%
Most Significant Cloud Type: low
78%
0.0 In
18:00

NNW
NNW

 6 / 14 mph 65 / 65°F 79% 1014 mb
Low level cloud: 0%
Mid level cloud: 19%
High level cloud: 41%
Most Significant Cloud Type: medium
20%
0.0 In
Tue 07
May		00:00

NNW
NNW

 5 / 11 mph 55 / 54°F 87% 1020 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
06:00

NNW
NNW

 8 / 17 mph 51 / 48°F 88% 1018 mb
Low level cloud: 68%
Mid level cloud: 32%
High level cloud: 0%
Most Significant Cloud Type: low
78%
0.0 In
12:00

NE
NE

 5 / 11 mph 64 / 64°F 64% 1024 mb
Low level cloud: 72%
Mid level cloud: 0%
High level cloud: 8%
Most Significant Cloud Type: low
72%
0.0 In
18:00

NNE
NNE

 11 / 22 mph 57 / 55°F 85% 1021 mb
Low level cloud: 47%
Mid level cloud: 8%
High level cloud: 0%
Most Significant Cloud Type: low
49%
0.0 In
Wed 08
May		00:00

ENE
ENE

 4 / 10 mph 57 / 56°F 89% 1028 mb
Low level cloud: 2%
Mid level cloud: 4%
High level cloud: 10%
Most Significant Cloud Type: low
4%
0.0 In
06:00

NE
NE

 8 / 17 mph 49 / 46°F 95% 1026 mb
Low level cloud: 70%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
70%
0.0 In
12:00

NE
NE

 11 / 22 mph 63 / 63°F 60% 1029 mb
Low level cloud: 38%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: low
38%
0.0 In
18:00

E
E

 11 / 23 mph 59 / 59°F 78% 1028 mb
Low level cloud: 7%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
6%
0.0 In
Thu 09
May		00:00

NE
NE

 8 / 17 mph 50 / 47°F 89% 1030 mb
Low level cloud: 8%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: low
9%
0.0 In
06:00

ENE
ENE

 9 / 19 mph 51 / 47°F 87% 1028 mb
Low level cloud: 5%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
5%
0.0 In
12:00

NE
NE

 18 / 37 mph 60 / 60°F 56% 1029 mb
Low level cloud: 7%
Mid level cloud: 0%
High level cloud: 2%
Most Significant Cloud Type: low
7%
0.0 In
18:00

E
E

 12 / 25 mph 56 / 53°F 63% 1025 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 10%
Most Significant Cloud Type: high
10%
0.0 In
Fri 10
May		00:00

NE
NE

 11 / 23 mph 49 / 45°F 88% 1028 mb
Low level cloud: 60%
Mid level cloud: 0%
High level cloud: 13%
Most Significant Cloud Type: low
61%
0.0 In
06:00

E
E

 12 / 25 mph 49 / 44°F 83% 1024 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
12:00

ENE
ENE

 15 / 33 mph 63 / 63°F 63% 1025 mb
Low level cloud: 47%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
46%
0.0 In
18:00

E
E

 15 / 31 mph 55 / 51°F 65% 1021 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
Sat 11
May		00:00

NE
NE

 9 / 20 mph 53 / 49°F 92% 1023 mb
Low level cloud: 16%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: low
17%
0.0 In
06:00

E
E

 11 / 23 mph 53 / 49°F 81% 1021 mb
Low level cloud: 0%
Mid level cloud: 1%
High level cloud: 5%
Most Significant Cloud Type: medium
1%
0.0 In
12:00

ENE
ENE

 15 / 31 mph 66 / 66°F 56% 1019 mb
Low level cloud: 0%
Mid level cloud: 6%
High level cloud: 0%
Most Significant Cloud Type: medium
6%
0.0 In
18:00

E
E

 13 / 27 mph 60 / 60°F 71% 1020 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
Sun 12
May		00:00

NE
NE

 10 / 21 mph 51 / 47°F 91% 1018 mb
Low level cloud: 19%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: low
19%
0.0 In
06:00

ENE
ENE

 11 / 24 mph 55 / 51°F 91% 1020 mb
Low level cloud: 35%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: low
35%
0.0 In
12:00

ENE
ENE

 14 / 30 mph 63 / 64°F 65% 1015 mb
Low level cloud: 71%
Mid level cloud: 15%
High level cloud: 100%
Most Significant Cloud Type: low
88%
0.0 In
18:00

ENE
ENE

 13 / 26 mph 61 / 61°F 62% 1020 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: medium
2%
0.0 In
Mon 13
May		00:00

NE
NE

 12 / 25 mph 46 / 41°F 81% 1015 mb
Low level cloud: 3%
Mid level cloud: 30%
High level cloud: 100%
Most Significant Cloud Type: medium
41%
0.0 In
06:00

NE
NE

 10 / 20 mph 53 / 49°F 83% 1023 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: medium
4%
0.0 In
12:00

ENE
ENE

 15 / 32 mph 58 / 55°F 62% 1012 mb
Low level cloud: 32%
Mid level cloud: 46%
High level cloud: 22%
Most Significant Cloud Type: low
51%
0.0 In
18:00

ENE
ENE

 10 / 22 mph 67 / 67°F 67% 1024 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 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