指定気圧面の観測データ（日ごとの値）
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昭和 2012年9月9時（現地時間 3時） 地上
| 日 | 気圧(hPa) | 高度(m) | 気温(℃) | 相対湿度(%) | 風速(m/s) | 風向(°) |
|---|---|---|---|---|---|---|
| 1 | 977.5 | 18 | -20.6 | 61 | 1.8 | 330 |
| 2 | 983.7 | 18 | -19.2 | 72 | 9.4 | 50 |
| 3 | 980.5 | 18 | -25.3 | 61 | 5.1 | 170 |
| 4 | 975.0 | 18 | -35.5 | 77 | 1.0 | 170 |
| 5 | 981.5 | 18 | -32.8 | 77 | 1.4 | 310 |
| 6 | 987.3 | 18 | -23.8 | 70 | 3.0 | 140 |
| 7 | 991.1 | 18 | -32.8 | 74 | 2.2 | 210 |
| 8 | 986.5 | 18 | -27.1 | 51 | 2.6 | 80 |
| 9 | 991.2 | 18 | -23.4 | 43 | 7.1 | 80 |
| 10 | 988.5 | 18 | -26.5 | 41 | 1.3 | 90 |
| 11 | 987.1 | 18 | -29.7 | 46 | 2.7 | 130 |
| 12 | 983.8 | 18 | -31.1 | 46 | 0.8 | 80 |
| 13 | 986.2 | 18 | -37.0 | 73 | 1.6 | 180 |
| 14 | 985.6 | 18 | -30.9 | 57 | 2.3 | 140 |
| 15 | 980.5 | 18 | -27.3 | 40 | 2.5 | 120 |
| 16 | 968.6 | 18 | -28.0 | 52 | 1.5 | 40 |
| 17 | 964.1 | 18 | -18.3 | 83 | 16.4 | 30 |
| 18 | 977.1 | 18 | -21.9 | 75 | 3.5 | 40 |
| 19 | 986.2 | 18 | -25.2 | 73 | 1.1 | 210 |
| 20 | 997.7 | 18 | -34.5 | 73 | 0.8 | 70 |
| 21 | 999.4 | 18 | -24.6 | 56 | 2.0 | 60 |
| 22 | 983.1 | 18 | -15.5 | 60 | 1.1 | 40 |
| 23 | 979.3 | 18 | -16.1 | 58 | 9.0 | 70 |
| 24 | 987.1 | 18 | -17.9 | 65 | 13.5 | 90 |
| 25 | 956.0 | 18 | -5.9 | 93 | 30.5 | 60 |
| 26 | 979.3 | 18 | -10.5 | 89 | 13.2 | 50 |
| 27 | 982.9 | 18 | -17.5 | 81 | 2.3 | 190 |
| 28 | 983.4 | 18 | -22.4 | 67 | 1.6 | 110 |
| 29 | 981.6 | 18 | -8.7 | 89 | 21.7 | 40 |
| 30 | 991.4 | 18 | -14.1 | 87 | 3.5 | 210 |