The wind system has the poorest performance. If the wind speed is zero or the wind direction is constant for extended periods (days to months) then the data is considered invalid. The reason for this behavior is not known but is believed to be due to the build up of frost on the wind system. This usually occurs in the winter season and at several AWS sites. The wind speed is most frequently zero when the wind direction is constant. Another problem with the wind system involves the tachometer for measuring wind speed. The brushes on the Belfort aerovane quickly wear down and fill the gaps between the contacts with brush material, shorting out the tachometer output. As a result we do not know the calibration. The problem is in the construction of the tachometer, so we have begun to install a new wind system manufactured by R.M. Young. They are currently operating at Kelly, Nico, Henry, and Lindsay sites.
| Site | Performance |
|---|---|
| D-10 | Station stopped 14 June, resumed mid-August, periods of missing winds, repaired 26 December. |
| D-47 | No data transmission until 17 July, off again after September. |
| D-80 | Repaired on 31 January. |
| Dome C | OK. |
| Port Martin | Aerovane not functioning in January, no transmissions until end of August. Aerovane not functioning August to 26 December. Aerovane replaced 27 December. |
| Cape Denison | Delta-T sensor not installed, intermittent transmission end of April-May, stopped June-July, intermittent transmission August-September, aerovane not functioning until replaced 27 December. |
| Penguin Point | Station not transmitting until 28 December due to a broken antenna. |
| Sutton | Installed 26 December. |
| Cape Webb | Installed 28 December, Hydro Tech wind speed system installed without the impeller, but with the aerovane for wind direction. |
| Byrd | Temperature sensor broken until 30 January when system was repaired and reinstalled. Aerovane not operating last part of April and most of June-October. |
| Mount Siple | Pressure erratic in summer half of year. Site has a "dog house" AWS without wind speed and direction. |
| Harry | Installed 29 November. |
| J.C. | Installed 29 November. |
| Theresa | Installed 29 November. |
| Doug | Installed 29 November. |
| Erin | Installed 29 November, failed same day. |
| Brianna | Installed 30 November. |
| Elizabeth | Installed 30 November, did not operate. |
| Marble Point | Station did not transmit between early July and early September. Aerovane was replaced 22 January. Batteries were replaced 23 November. |
| Ferrell | OK. |
| Pegasus North | Station repaired and reinstalled 14 January. |
| Pegasus South | Wind system operated intermittently August-September. |
| Minna Bluff | Station repaired and reinstalled 12 January. Wind system stopped 28 August after wind speeds around 41 m s-1. Wind sensor was repaired 9 December. |
| Linda | Station replaced 10 January and operated until 20 April. One week of transmissions in May. Station resumed transmitting 7 December after batteries were replaced. |
| Willie Field | Removed 10 January for repair and replaced 18 January. |
| Whitlock | Replaced 23 February, no pressure gauge. Intermittent wind data especially in colder part of year. |
| Scott Island | No transmissions between 19 November and 17 December. Site has a "dog house" AWS without wind speed and direction. |
| Young Island | No transmission for November and December. Site has a "dog house" AWS without wind speed and direction. |
| Possession Island | OK, site has a "dog house" AWS without wind speed and direction. |
| Marilyn | OK. |
| Schwerdtfeger | Aerovane repaired 13 January, wind system operated intermittently April-July. Station not transmitting August-September and then erratically October-December. |
| Gill | Aerovane did not operate during parts of March-April, most of June-August. Few transmissions end of August-October, intermittent in November. |
| Elaine | Aerovane operated intermittently April-May and did not operate most of June-November. |
| Lettau | Aerovane operated intermittently August-October. |
| Manuela | Aerovane destroyed end of October. |
| Sandra | OK. |
| Lynn | No wind data in January. |
| Larsen Ice | Temperature sensor not functioning correctly, aerovane operated intermittently April-July. |
| Butler Island | Station off until 15 February, and again 18 March-5 April. Wind system intermittent July, October-December. |
| Uranus Glacier | Station off 1 February, received erratically November. |
| Racer Rock | Intermittent data transmission, very sparse in May and September. No data June-August. |
| Bonaparte Point | Station stopped 15 April, a few transmissions in October, resumed normal transmissions 2 December. Loose and/or corroded connections are suspected. |
| Recovery Glacier | AGO-A81 removed 16 January, installed at Recovery Glacier site 18 January, intermittent data transmission most of the year. Aerovane did not operate during winter. |
| Ski-Hi | Station installed 21 February, transmissions stop end of November. |
| Santa Claus Island | Station installed 10 December. |
| Clean Air | Repaired and moved on 24 January, pressure jumps erratically, especially during the colder months. |
| Mount Howe | Removed 22 January. |
| Kelly | Removed 22 January. |
| Nico | OK. |
| Henry | Most data missing end of August to mid-October. |
| Lindsay | Removed 22 January. |