指定気圧面の観測データ（日ごとの値）
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稚内 2023年4月21時 地上
| 日 | 気圧(hPa) | 高度(m) | 気温(℃) | 相対湿度(%) | 風速(m/s) | 風向(°) |
|---|---|---|---|---|---|---|
| 1 | 1023.6 | 4 | 2.5 | 95 | 7.8 | 60 |
| 2 | 1024.6 | 4 | 1.8 | 70 | 2.0 | 80 |
| 3 | 1023.8 | 4 | 3.4 | 82 | 1.4 | 190 |
| 4 | 1015.7 | 4 | 6.8 | 89 | 7.6 | 210 |
| 5 | 1016.9 | 4 | 6.8 | 88 | 5.9 | 190 |
| 6 | 1004.0 | 4 | 7.0 | 98 | 0.3 | 10 |
| 7 | 1004.4 | 4 | 4.6 | 88 | 2.9 | 280 |
| 8 | 1004.8 | 4 | 3.4 | 80 | 4.9 | 10 |
| 9 | 1010.7 | 4 | 4.0 | 78 | 1.7 | 250 |
| 10 | 1007.6 | 4 | 8.3 | 87 | 6.9 | 240 |
| 11 | 1002.6 | 4 | 11.4 | 81 | 4.8 | 190 |
| 12 | 1002.0 | 4 | 6.5 | 50 | 6.8 | 240 |
| 13 | 1006.9 | 4 | 6.3 | 70 | 3.1 | 210 |
| 14 | 1012.4 | 4 | 4.0 | 60 | 2.1 | 260 |
| 15 | 1012.5 | 4 | 3.6 | 68 | 4.1 | 80 |
| 16 | 994.5 | 4 | 1.5 | 95 | 19.3 | 40 |
| 17 | 1012.4 | 4 | 2.4 | 77 | 3.6 | 300 |
| 18 | 1011.5 | 4 | 5.3 | 88 | 2.6 | 260 |
| 19 | 1006.5 | 4 | 6.0 | 92 | 3.1 | 220 |
| 20 | 994.2 | 4 | 7.9 | 98 | 6.5 | 200 |
| 21 | 999.4 | 4 | 6.8 | 62 | 3.7 | 290 |
| 22 | 1011.5 | 4 | 4.4 | 76 | 3.6 | 270 |
| 23 | 1014.5 | 4 | 3.6 | 74 | 5.7 | 350 |
| 24 | 1014.0 | 4 | 6.8 | 75 | 5.3 | 240 |
| 25 | 1018.1 | 4 | 7.5 | 86 | 5.3 | 190 |
| 26 | 1003.2 | 4 | 5.7 | 89 | 3.3 | 320 |
| 27 | 1009.6 | 4 | 8.1 | 73 | 4.6 | 200 |
| 28 | 1018.1 | 4 | 8.3 | 64 | 3.5 | 130 |
| 29 | 1010.4 | 4 | 5.1 | 91 | 4.7 | 70 |
| 30 | 996.3 | 4 | 7.8 | 90 | 8.3 | 210 |