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Table 3 Monthly median values of barometric pressure, temperature and wind speed at South Col during 2008

From: Environmental conditions at the South Col of Mount Everest and their impact on hypoxia and hypothermia experienced by mountaineers

Month

Median P

Delta P

Median T

Delta T

Median WS

Delta WS

(hPa)

(hPa)

(°C)

(°C)

(m/s)

(m/s)

May

381.5a

1.2a

−18.3a

1.3a

8.7a

5.9a

June

385.2

1.1

−12.9

1.8

3.9

2.1

July

386

0.7

−11.9

1.5

2.8

2.6

August

386.2

1.4

−12.6

0.8

2.4

2.0

September

385.4

1.5

−16.4

1.7

9.4

9.4

October

380.7

4.2

−23

5.1

20

12.4

November

379.1

4.4

−23.7

4.9

18.8

16

December

376.7

8.9

−26.3

6.8

12.8a

3.5a

  1. Also shown are the differences between the third and first quartile values for barometric pressure (Delta P), temperature (Delta T) and wind speed (Delta WS). aValues for which a full month's worth of data was unavailable.