指定気圧面の観測データ（日ごとの値）
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稚内 1990年1月9時 地上
| 日 | 気圧(hPa) | 高度(m) | 気温(℃) | 相対湿度(%) | 風速(m/s) | 風向(°) |
|---|---|---|---|---|---|---|
| 1 | 1007.9 | 11 | 0.1 | 74 | 8.6 | 10 |
| 2 | 1012.5 | 11 | -1.8 | 61 | 4.4 | 340 |
| 3 | 1011.0 | 11 | -2.5 | 82 | 5.9 | 60 |
| 4 | 1010.6 | 11 | -4.4 | 81 | 5.3 | 80 |
| 5 | 1012.7 | 11 | -3.9 | 61 | 2.1 | 300 |
| 6 | 1009.0 | 11 | -3.7 | 91 | 2.3 | 180 |
| 7 | 1015.9 | 11 | -3.0 | 77 | 5.9 | 50 |
| 8 | 1021.1 | 11 | 0.9 | 50 | 3.8 | 260 |
| 9 | 1015.3 | 11 | 3.1 | 52 | 4.3 | 260 |
| 10 | 1017.9 | 11 | -1.4 | 79 | 6.7 | 100 |
| 11 | 1019.9 | 11 | -7.5 | 65 | 6.1 | 20 |
| 12 | 1014.0 | 11 | -2.5 | 53 | 4.8 | 270 |
| 13 | 1003.0 | 11 | -6.6 | 86 | 3.6 | 330 |
| 14 | 1010.2 | 11 | -8.2 | 53 | 4.4 | 280 |
| 15 | 1009.0 | 11 | -9.1 | 81 | 2.8 | 290 |
| 16 | 1012.5 | 11 | -8.2 | 72 | 3.0 | 260 |
| 17 | 1013.0 | 11 | -6.7 | 47 | 1.7 | 290 |
| 18 | 1013.4 | 11 | -6.8 | 88 | 1.6 | 190 |
| 19 | 1012.7 | 11 | -5.2 | 87 | 5.8 | 50 |
| 20 | 1016.0 | 11 | -9.5 | 81 | 6.1 | 360 |
| 21 | 1020.4 | 11 | -10.5 | 63 | 4.2 | 270 |
| 22 | 1017.5 | 11 | -9.8 | 60 | 2.5 | 320 |
| 23 | 1012.7 | 11 | -10.1 | 70 | 6.5 | 10 |
| 24 | 1009.6 | 11 | -9.0 | 79 | 8.2 | 350 |
| 25 | 1007.3 | 11 | -4.8 | 75 | 7.1 | 40 |
| 26 | 1018.4 | 11 | -8.7 | 59 | 6.5 | 20 |
| 27 | 1023.2 | 11 | -8.7 | 63 | 4.5 | 80 |
| 28 | 1026.6 | 11 | -5.4 | 61 | 3.2 | 280 |
| 29 | 1021.3 | 11 | -7.2 | 67 | 3.6 | 290 |
| 30 | 1018.8 | 11 | -10.6 | 67 | 6.2 | 60 |
| 31 | 1021.1 | 11 | -9.0 | 73 | 3.0 | 330 |