The Monument Airport | |||||||||||
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| Summary | |||||||||||
| Airport type | Private | ||||||||||
| Operator | Southern Cross Fertilisers Pty Ltd | ||||||||||
| Serves | Phosphate Hill, Queensland, Australia | ||||||||||
| Elevation AMSL | 949 ft / 289 m | ||||||||||
| Coordinates | 21°48′42″S139°55′24″E / 21.81167°S 139.92333°E | ||||||||||
| Map | |||||||||||
  YTMO Location in Queensland | |||||||||||
| Runways | |||||||||||
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| Sources: Australian AIP and aerodrome chart [1] | |||||||||||
The Monument Airport( IATA : PHQ, ICAO : YTMO), a.k.a. Phosphate Hill Airport is located at Phosphate Hill, Queensland, Australia.
Due to its very high evapotranspiration, the airport experiences a subtropical desert climate (Köppen: BWh) with very hot, somewhat wetter summers and very mild & very dry winters. [2] The wettest recorded day was 27 March 2019 with 158.8 mm (6.25 in) of rainfall. Extreme temperatures ranged from 46.5 °C (115.7 °F) on 1 December 2006 to −1.0 °C (30.2 °F) on 18 June 2001 and 17 July 2002. [3]
| Climate data for The Monument Airport ( 21°49′S139°56′E / 21.81°S 139.93°E ) (288 m (945 ft) AMSL) (2000-2025) | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Record high °C (°F) | 45.9 (114.6) | 44.1 (111.4) | 44.1 (111.4) | 39.3 (102.7) | 37.5 (99.5) | 34.1 (93.4) | 34.6 (94.3) | 38.5 (101.3) | 41.1 (106.0) | 43.8 (110.8) | 44.6 (112.3) | 46.5 (115.7) | 46.5 (115.7) |
| Mean daily maximum °C (°F) | 38.1 (100.6) | 36.9 (98.4) | 35.7 (96.3) | 32.5 (90.5) | 27.8 (82.0) | 24.2 (75.6) | 24.1 (75.4) | 27.1 (80.8) | 31.7 (89.1) | 35.5 (95.9) | 37.4 (99.3) | 38.4 (101.1) | 32.4 (90.4) |
| Mean daily minimum °C (°F) | 24.9 (76.8) | 23.5 (74.3) | 22.0 (71.6) | 17.3 (63.1) | 12.1 (53.8) | 8.3 (46.9) | 7.2 (45.0) | 9.0 (48.2) | 13.9 (57.0) | 18.4 (65.1) | 21.6 (70.9) | 23.8 (74.8) | 16.8 (62.3) |
| Record low °C (°F) | 15.4 (59.7) | 13.7 (56.7) | 10.6 (51.1) | 7.0 (44.6) | 1.0 (33.8) | −1.0 (30.2) | −1.0 (30.2) | 0.0 (32.0) | 3.8 (38.8) | 6.1 (43.0) | 10.6 (51.1) | 14.3 (57.7) | −1.0 (30.2) |
| Average precipitation mm (inches) | 64.1 (2.52) | 78.8 (3.10) | 53.5 (2.11) | 13.2 (0.52) | 8.5 (0.33) | 9.6 (0.38) | 11.4 (0.45) | 2.9 (0.11) | 9.4 (0.37) | 11.4 (0.45) | 34.7 (1.37) | 49.6 (1.95) | 343.6 (13.53) |
| Average precipitation days (≥ 0.2 mm) | 7.7 | 6.7 | 5.1 | 1.7 | 1.4 | 1.9 | 1.5 | 0.8 | 2.0 | 3.0 | 5.1 | 6.4 | 43.3 |
| Average afternoon relative humidity (%) | 34 | 31 | 23 | 23 | 23 | 28 | 24 | 19 | 17 | 14 | 18 | 25 | 23 |
| Average dew point °C (°F) | 13.7 (56.7) | 13.4 (56.1) | 9.1 (48.4) | 6.3 (43.3) | 3.0 (37.4) | 2.7 (36.9) | 0.2 (32.4) | −1.2 (29.8) | 0.4 (32.7) | 0.3 (32.5) | 4.7 (40.5) | 9.3 (48.7) | 5.2 (41.3) |
| Source: Bureau of Meteorology (2000-2025) [4] | |||||||||||||
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