指定気圧面の観測データ（日ごとの値）
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札幌 1996年2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 | 1003.3 | 19 | -12.1 | 64 | 1.6 | 210 |
| 2 | 999.3 | 19 | -6.0 | 50 | 3.4 | 280 |
| 3 | 1007.4 | 19 | -4.3 | 69 | 1.5 | 250 |
| 4 | 1013.6 | 19 | -3.2 | 63 | 1.6 | 120 |
| 5 | 1009.1 | 19 | -2.1 | 75 | 1.9 | 110 |
| 6 | 1009.2 | 19 | -0.4 | 66 | 3.4 | 320 |
| 7 | 1019.8 | 19 | -2.7 | 69 | 1.9 | 270 |
| 8 | 1011.3 | 19 | -2.3 | 87 | 2.0 | 130 |
| 9 | 1001.2 | 19 | -3.0 | 74 | 2.8 | 330 |
| 10 | 1005.7 | 19 | -5.0 | 76 | 3.6 | 290 |
| 11 | 1003.2 | 19 | 1.2 | 60 | 2.4 | 150 |
| 12 | 993.5 | 19 | 5.1 | 52 | 1.7 | 280 |
| 13 | 1000.7 | 19 | 2.3 | 63 | 1.8 | 160 |
| 14 | 995.8 | 19 | 2.3 | 42 | 4.2 | 280 |
| 15 | 1009.0 | 19 | -7.3 | 52 | 2.6 | 300 |
| 16 | 1016.2 | 19 | -9.5 | 52 | 3.5 | 280 |
| 17 | 1024.0 | 19 | -7.2 | 78 | 0.9 | 200 |
| 18 | 1026.0 | 19 | -7.9 | 82 | 1.2 | 160 |
| 19 | 1024.2 | 19 | -7.1 | 61 | 2.5 | 250 |
| 20 | 1019.6 | 19 | -6.6 | 57 | 2.7 | 310 |
| 21 | 1017.7 | 19 | -7.0 | 84 | 1.2 | 180 |
| 22 | 1019.3 | 19 | -4.8 | 81 | 2.9 | 150 |
| 23 | 1018.7 | 19 | -4.4 | 83 | 3.3 | 50 |
| 24 | 1023.5 | 19 | -5.1 | 81 | 0.9 | 170 |
| 25 | 1015.9 | 19 | 1.1 | 57 | 1.4 | 240 |
| 26 | 1011.9 | 19 | 2.5 | 51 | 2.9 | 240 |
| 27 | 1004.8 | 19 | 2.4 | 66 | 0.0 | - |
| 28 | 1015.1 | 19 | -0.8 | 56 | 2.0 | 280 |
| 29 | 1012.1 | 19 | 1.7 | 71 | 2.6 | 130 |