指定気圧面の観測データ（日ごとの値）
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昭和 2006年5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 | 982.7 | 22 | -12.0 | 63 | 11.7 | 70 |
| 2 | 961.4 | 22 | -6.4 | 90 | 23.6 | 80 |
| 3 | 969.7 | 22 | -8.3 | 65 | 13.8 | 80 |
| 4 | 973.4 | 22 | -13.6 | 50 | 2.4 | 110 |
| 5 | 988.9 | 22 | -10.5 | 69 | 11.1 | 50 |
| 6 | 988.1 | 22 | -8.9 | 87 | 4.2 | 360 |
| 7 | 972.9 | 22 | -11.2 | 42 | 2.1 | 20 |
| 8 | 963.5 | 22 | -9.9 | 90 | 30.0 | 60 |
| 9 | 975.0 | 22 | -8.1 | 92 | 20.7 | 50 |
| 10 | 964.0 | 22 | -6.3 | 93 | 17.4 | 50 |
| 11 | 956.2 | 22 | -6.1 | 80 | 13.5 | 50 |
| 12 | 975.9 | 22 | -8.4 | 68 | 17.3 | 60 |
| 13 | 974.5 | 22 | -8.9 | 82 | 5.0 | 110 |
| 14 | 980.3 | 22 | -16.5 | 80 | 2.6 | 230 |
| 15 | 981.8 | 22 | -22.4 | 72 | 3.2 | 40 |
| 16 | 977.3 | 22 | -15.5 | 75 | 2.7 | 180 |
| 17 | 977.2 | 22 | -13.2 | 73 | 10.8 | 70 |
| 18 | 972.1 | 22 | -9.0 | 57 | 3.6 | 110 |
| 19 | 988.6 | 22 | -12.9 | 66 | 1.3 | 100 |
| 20 | 982.4 | 22 | -11.2 | 86 | 13.3 | 30 |
| 21 | 974.0 | 22 | -3.4 | 94 | 18.2 | 50 |
| 22 | 974.7 | 22 | -3.6 | 94 | 22.6 | 50 |
| 23 | 981.0 | 22 | -6.9 | 92 | 18.4 | 50 |
| 24 | 974.7 | 22 | -8.4 | 73 | 4.8 | 30 |
| 25 | 976.8 | 22 | -8.9 | 80 | 0.8 | 330 |
| 26 | 982.6 | 22 | -10.0 | 75 | 13.0 | 40 |
| 27 | 971.1 | 22 | -12.0 | 53 | 12.4 | 80 |
| 28 | 975.6 | 22 | -17.4 | 49 | 9.3 | 70 |
| 29 | 984.0 | 22 | -16.7 | 60 | 4.6 | 40 |
| 30 | 980.4 | 22 | -10.0 | 82 | 7.2 | 40 |
| 31 | 979.7 | 22 | -7.2 | 63 | 10.3 | 50 |