指定気圧面の観測データ（日ごとの値）
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稚内 2017年8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 | 1012.1 | 4 | 19.1 | 88 | 3.3 | 80 |
| 2 | 1013.5 | 4 | 18.9 | 82 | 6.7 | 100 |
| 3 | 1013.4 | 4 | 21.0 | 66 | 5.2 | 100 |
| 4 | 1013.1 | 4 | 20.3 | 74 | 1.5 | 110 |
| 5 | 1010.1 | 4 | 19.0 | 85 | 1.5 | 130 |
| 6 | 1008.9 | 4 | 19.6 | 83 | 2.6 | 110 |
| 7 | 1008.1 | 4 | 21.8 | 65 | 7.0 | 90 |
| 8 | 1006.5 | 4 | 18.9 | 70 | 5.6 | 90 |
| 9 | 1005.0 | 4 | 16.9 | 95 | 8.3 | 70 |
| 10 | 1007.6 | 4 | 15.8 | 87 | 8.8 | 70 |
| 11 | 1009.6 | 4 | 18.2 | 84 | 6.6 | 100 |
| 12 | 1014.3 | 4 | 15.2 | 91 | 6.2 | 100 |
| 13 | 1013.9 | 4 | 15.5 | 90 | 5.2 | 100 |
| 14 | 1011.9 | 4 | 16.4 | 90 | 3.3 | 100 |
| 15 | 1012.5 | 4 | 17.0 | 88 | 3.8 | 70 |
| 16 | 1013.5 | 4 | 18.9 | 69 | 6.2 | 100 |
| 17 | 1014.2 | 4 | 18.7 | 69 | 5.2 | 60 |
| 18 | 1014.0 | 4 | 18.2 | 74 | 2.5 | 60 |
| 19 | 1015.2 | 4 | 19.1 | 85 | 1.9 | 50 |
| 20 | 1014.9 | 4 | 19.0 | 81 | 1.4 | 110 |
| 21 | 1012.0 | 4 | 22.7 | 80 | 6.4 | 200 |
| 22 | 1008.6 | 4 | 21.5 | 86 | 4.2 | 200 |
| 23 | 1005.1 | 4 | 22.2 | 84 | 2.8 | 260 |
| 24 | 1001.6 | 4 | 19.0 | 92 | 1.9 | 220 |
| 25 | 994.1 | 4 | 19.5 | 91 | 2.1 | 210 |
| 26 | 999.4 | 4 | 23.6 | 64 | 3.9 | 200 |
| 27 | 1009.9 | 4 | 21.4 | 59 | 6.1 | 270 |
| 28 | 1013.2 | 4 | 20.6 | 82 | 3.9 | 170 |
| 29 | 1003.3 | 4 | 17.5 | 81 | 5.1 | 180 |
| 30 | 1009.0 | 4 | 18.3 | 48 | 2.6 | 170 |
| 31 | 1009.1 | 4 | 17.3 | 53 | 4.6 | 260 |