Ruyang County
Ruyang County (simplified Chinese: 汝阳县; traditional Chinese: 汝陽縣; pinyin: Rǔyáng Xiàn) is a county in the west of Henan province, China, under the jurisdiction of the prefecture-level city of Luoyang.
Ruyang County has been the site of several major discoveries of fossilized dinosaur bones, including Huanghetitan ruyangensis, which was first described in 2007.
Administrative divisions
As 2012, this county is divided to 4 towns and 9 townships.
- Towns
- Townships
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Climate
| Climate data for Ruyang (1991–2020 normals, extremes 1981–2010) | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Record high °C (°F) | 21.0 (69.8) |
24.1 (75.4) |
30.5 (86.9) |
36.8 (98.2) |
39.5 (103.1) |
41.1 (106.0) |
39.8 (103.6) |
39.9 (103.8) |
37.9 (100.2) |
34.1 (93.4) |
27.1 (80.8) |
24.2 (75.6) |
41.1 (106.0) |
| Mean daily maximum °C (°F) | 6.5 (43.7) |
9.8 (49.6) |
15.5 (59.9) |
22.5 (72.5) |
27.5 (81.5) |
31.5 (88.7) |
31.8 (89.2) |
30.3 (86.5) |
26.2 (79.2) |
21.2 (70.2) |
14.4 (57.9) |
8.6 (47.5) |
20.5 (68.9) |
| Daily mean °C (°F) | 1.2 (34.2) |
4.2 (39.6) |
9.5 (49.1) |
15.9 (60.6) |
21.3 (70.3) |
25.6 (78.1) |
26.9 (80.4) |
25.4 (77.7) |
20.9 (69.6) |
15.5 (59.9) |
8.9 (48.0) |
3.2 (37.8) |
14.9 (58.8) |
| Mean daily minimum °C (°F) | −2.9 (26.8) |
−0.3 (31.5) |
4.5 (40.1) |
10.2 (50.4) |
15.6 (60.1) |
20.2 (68.4) |
22.8 (73.0) |
21.7 (71.1) |
16.7 (62.1) |
11.0 (51.8) |
4.5 (40.1) |
−0.9 (30.4) |
10.3 (50.5) |
| Record low °C (°F) | −18.6 (−1.5) |
−17.7 (0.1) |
−11.4 (11.5) |
−2.1 (28.2) |
4.5 (40.1) |
10.2 (50.4) |
14.4 (57.9) |
12.5 (54.5) |
7.4 (45.3) |
−3.0 (26.6) |
−7.3 (18.9) |
−11.9 (10.6) |
−18.6 (−1.5) |
| Average precipitation mm (inches) | 13.2 (0.52) |
16.4 (0.65) |
26.5 (1.04) |
43.7 (1.72) |
62.0 (2.44) |
67.5 (2.66) |
123.0 (4.84) |
107.4 (4.23) |
92.7 (3.65) |
42.4 (1.67) |
30.8 (1.21) |
9.1 (0.36) |
634.7 (24.99) |
| Average precipitation days (≥ 0.1 mm) | 4.4 | 4.8 | 6.3 | 6.7 | 7.9 | 8.0 | 11.1 | 11.1 | 9.7 | 7.4 | 5.9 | 3.7 | 87 |
| Average snowy days | 4.7 | 3.6 | 1.8 | 0.2 | 0 | 0 | 0 | 0 | 0 | 0 | 1.3 | 3.4 | 15 |
| Average relative humidity (%) | 55 | 57 | 58 | 59 | 58 | 61 | 74 | 77 | 73 | 66 | 62 | 54 | 63 |
| Mean monthly sunshine hours | 149.8 | 144.1 | 176.7 | 207.7 | 215.5 | 206.9 | 186.2 | 180.3 | 162.5 | 164.1 | 153.3 | 159.3 | 2,106.4 |
| Percent possible sunshine | 48 | 46 | 47 | 53 | 50 | 48 | 43 | 44 | 44 | 47 | 50 | 52 | 48 |
| Source: China Meteorological Administration | |||||||||||||