指定気圧面の観測データ（日ごとの値）
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昭和 2008年3月21時（現地時間 15時） 地上
| 日 | 気圧(hPa) | 高度(m) | 気温(℃) | 相対湿度(%) | 風速(m/s) | 風向(°) |
|---|---|---|---|---|---|---|
| 1 | 988.3 | 18 | -6.0 | 36 | 2.6 | 300 |
| 2 | 978.0 | 18 | -5.1 | 56 | 8.0 | 40 |
| 3 | 974.1 | 18 | -2.3 | 70 | 22.8 | 50 |
| 4 | 974.1 | 18 | -1.5 | 63 | 3.5 | 80 |
| 5 | 971.3 | 18 | -6.3 | 50 | 5.1 | 20 |
| 6 | 979.0 | 18 | -6.8 | 87 | 11.6 | 30 |
| 7 | 982.1 | 18 | -5.0 | 79 | 3.5 | 200 |
| 8 | 984.8 | 18 | -7.6 | 58 | 1.7 | 120 |
| 9 | 990.2 | 18 | -12.1 | 68 | 2.4 | 270 |
| 10 | 985.3 | 18 | -5.9 | 87 | 11.7 | 30 |
| 11 | 962.9 | 18 | -1.4 | 95 | 14.4 | 40 |
| 12 | 981.0 | 18 | -2.3 | 86 | 6.6 | 30 |
| 13 | 978.7 | 18 | -6.2 | 70 | 0.9 | 70 |
| 14 | 982.6 | 18 | -3.7 | 71 | 0.9 | 70 |
| 15 | 990.8 | 18 | -5.1 | 88 | 9.1 | 30 |
| 16 | 990.4 | 18 | -8.4 | 85 | 1.7 | 180 |
| 17 | 981.3 | 18 | -5.6 | 65 | 10.1 | 50 |
| 18 | 980.5 | 18 | -3.2 | 71 | 16.3 | 70 |
| 19 | 977.9 | 18 | -2.9 | 75 | 19.4 | 60 |
| 20 | 988.5 | 18 | -2.7 | 68 | 12.8 | 40 |
| 21 | 978.9 | 18 | -7.4 | 55 | 2.8 | 20 |
| 22 | 986.6 | 18 | -9.9 | 51 | 4.4 | 80 |
| 23 | 988.0 | 18 | -9.2 | 54 | 4.7 | 180 |
| 24 | 991.2 | 18 | -11.7 | 66 | 4.5 | 30 |
| 25 | 991.0 | 18 | -10.1 | 84 | 3.5 | 20 |
| 26 | 990.5 | 18 | -9.1 | 86 | 2.2 | 110 |
| 27 | 990.0 | 18 | -12.3 | 75 | 2.4 | 200 |
| 28 | 996.0 | 18 | -12.5 | 57 | 3.2 | 190 |
| 29 | 998.9 | 18 | -11.3 | 69 | 0.7 | 120 |
| 30 | 998.1 | 18 | -8.9 | 83 | 1.7 | 200 |
| 31 | 997.4 | 18 | -14.8 | 79 | 5.7 | 200 |