The Monument Airport

The Monument Airport
Summary
Airport typePrivate
OperatorSouthern Cross Fertilisers Pty Ltd
ServesPhosphate Hill, Queensland, Australia
Elevation AMSL949 ft / 289 m
Coordinates21°48′42″S 139°55′24″E / 21.81167°S 139.92333°E / -21.81167; 139.92333
Map
YTMO
Location in Queensland
Runways
Direction Length Surface
m ft
14/32 1,900 6,234 Asphalt
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.

Geography

Climate

Due to its very high evapotranspiration, the airport experiences a subtropical desert climate (Köppen: BWh) with very hot, somewhat wetter summers and very mild and 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′S 139°56′E / 21.81°S 139.93°E / -21.81; 139.93) (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]

See also

References

  1. ^ YTMO – The Monument (PDF). AIP En Route Supplement from Airservices Australia, effective 19 March 2026, Aeronautical Chart
  2. ^ "Climate classification maps: Köppen - all classes". Bureau of Meteorology. Retrieved 17 January 2026.
  3. ^ "The Monument Airport Climate (2000-2025)". FarmOnline Weather. Australian Community Media. Retrieved 17 January 2026.
  4. ^ "The Monument Airport Climate Statistics (2000-2025)". Bureau of Meteorology. Retrieved 17 January 2026.