指定気圧面の観測データ（日ごとの値）
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昭和 2011年1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 | 988.9 | 18 | -2.2 | 73 | 6.0 | 50 |
| 2 | 990.0 | 18 | -1.5 | 68 | 13.1 | 50 |
| 3 | 987.7 | 18 | -0.6 | 72 | 16.7 | 60 |
| 4 | 967.6 | 18 | -0.2 | 72 | 19.3 | 50 |
| 5 | 979.2 | 18 | -1.6 | 92 | 7.3 | 40 |
| 6 | 975.3 | 18 | -2.0 | 67 | 6.0 | 70 |
| 7 | 981.5 | 18 | -0.6 | 62 | 11.8 | 70 |
| 8 | 995.9 | 18 | -4.1 | 94 | 1.2 | 50 |
| 9 | 994.5 | 18 | -2.8 | 82 | 2.8 | 230 |
| 10 | 991.5 | 18 | -4.8 | 94 | 2.3 | 10 |
| 11 | 988.9 | 18 | -0.9 | 63 | 5.7 | 30 |
| 12 | 984.0 | 18 | -1.8 | 73 | 4.2 | 180 |
| 13 | 985.1 | 18 | -1.9 | 65 | 2.4 | 30 |
| 14 | 995.9 | 18 | -0.2 | 84 | 5.0 | 180 |
| 15 | 996.0 | 18 | -0.7 | 70 | 7.4 | 80 |
| 16 | 992.3 | 18 | 0.4 | 64 | 9.3 | 50 |
| 17 | 999.9 | 18 | 0.5 | 76 | 5.7 | 60 |
| 18 | 984.5 | 18 | 2.7 | 68 | 13.2 | 40 |
| 19 | 994.7 | 18 | 0.2 | 82 | 8.6 | 50 |
| 20 | 992.0 | 18 | -1.3 | 75 | 3.5 | 350 |
| 21 | 980.9 | 18 | 0.2 | 80 | 16.9 | 40 |
| 22 | 983.0 | 18 | -1.6 | 78 | 9.0 | 40 |
| 23 | 976.6 | 18 | -0.9 | 76 | 11.8 | 60 |
| 24 | 975.1 | 18 | -1.0 | 93 | 2.6 | 30 |
| 25 | 982.4 | 18 | -2.1 | 88 | 0.8 | 50 |
| 26 | 992.1 | 18 | -2.1 | 89 | 8.1 | 40 |
| 27 | 979.4 | 18 | -1.2 | 91 | 17.4 | 40 |
| 28 | 983.4 | 18 | -0.1 | 92 | /// | /// |
| 29 | 989.0 | 18 | -0.7 | 93 | 5.8 | 40 |
| 30 | 982.7 | 18 | -1.0 | 88 | 5.9 | 20 |
| 31 | 986.4 | 18 | -0.8 | 86 | 15.8 | 40 |