指定気圧面の観測データ（日ごとの値）
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昭和 2000年6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 | 983.3 | 21 | -4.0 | 47 | 7.5 | 80 |
| 2 | 993.9 | 21 | -9.7 | 60 | 11.2 | 80 |
| 3 | 992.9 | 21 | -13.9 | 52 | 10.9 | 60 |
| 4 | 990.7 | 21 | -11.6 | 61 | 10.3 | 50 |
| 5 | 996.3 | 21 | -8.5 | 82 | 14.3 | 80 |
| 6 | 978.5 | 21 | -9.8 | 77 | 19.2 | 80 |
| 7 | 974.2 | 21 | -8.4 | 80 | 19.6 | 80 |
| 8 | 987.6 | 21 | -7.5 | 54 | 12.7 | 70 |
| 9 | 1000.9 | 21 | -13.8 | 61 | 2.2 | 160 |
| 10 | 992.5 | 21 | -13.5 | 54 | 1.7 | 330 |
| 11 | 984.0 | 21 | -5.4 | 79 | 17.1 | 50 |
| 12 | 977.1 | 21 | -5.8 | 93 | 17.2 | 40 |
| 13 | 967.9 | 21 | -6.4 | 92 | 19.9 | 40 |
| 14 | 985.5 | 21 | -11.6 | 86 | 2.1 | 60 |
| 15 | 993.2 | 21 | -18.2 | 85 | 0.8 | 280 |
| 16 | 981.9 | 21 | -17.3 | 76 | 1.1 | 90 |
| 17 | 965.3 | 21 | -7.1 | 78 | 9.9 | 70 |
| 18 | 978.8 | 21 | -10.1 | 68 | 5.2 | 60 |
| 19 | 977.5 | 21 | -15.2 | 57 | 3.7 | 160 |
| 20 | 979.9 | 21 | -7.3 | 64 | 11.3 | 70 |
| 21 | 983.8 | 21 | -8.4 | 60 | 9.5 | 70 |
| 22 | 989.6 | 21 | -11.9 | 62 | 7.2 | 70 |
| 23 | 988.3 | 21 | -9.9 | 78 | 2.4 | 40 |
| 24 | 985.6 | 21 | -21.5 | 81 | 0.6 | 140 |
| 25 | 991.9 | 21 | -16.8 | 71 | 7.1 | 40 |
| 26 | 991.1 | 21 | -17.5 | 81 | 3.3 | 170 |
| 27 | 989.9 | 21 | -21.2 | 69 | 1.9 | 60 |
| 28 | 957.9 | 21 | -9.1 | 74 | 11.1 | 60 |
| 29 | 981.2 | 21 | -10.6 | 61 | 4.1 | 30 |
| 30 | 992.2 | 21 | -17.8 | 72 | 0.6 | 130 |