指定気圧面の観測データ（日ごとの値）
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昭和 2000年7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 | /// | /// | /// | /// | /// | /// |
| 2 | 972.5 | 21 | -6.4 | 92 | 23.3 | 60 |
| 3 | 980.0 | 21 | -14.3 | 54 | 2.2 | 180 |
| 4 | 976.0 | 21 | -16.2 | 74 | 5.1 | 40 |
| 5 | 981.2 | 21 | -19.5 | 69 | 3.2 | 160 |
| 6 | 988.7 | 21 | -22.4 | 70 | 1.1 | 60 |
| 7 | 982.3 | 21 | -24.6 | 58 | 0.9 | 230 |
| 8 | 984.6 | 21 | -22.4 | 69 | 1.6 | 180 |
| 9 | 986.9 | 21 | -18.0 | 82 | 3.3 | 170 |
| 10 | 981.5 | 21 | -11.8 | 87 | 12.3 | 40 |
| 11 | 962.1 | 21 | -10.4 | 89 | 11.3 | 30 |
| 12 | 976.8 | 21 | -16.9 | 74 | 12.4 | 70 |
| 13 | 982.3 | 21 | -28.6 | 72 | 0.5 | 300 |
| 14 | 998.5 | 21 | -29.8 | 73 | 3.8 | 170 |
| 15 | 1001.0 | 21 | -22.5 | 56 | 4.0 | 140 |
| 16 | 989.5 | 21 | -22.3 | 52 | 4.8 | 150 |
| 17 | 989.6 | 21 | -19.8 | 53 | 1.5 | 170 |
| 18 | 997.3 | 21 | -26.5 | 67 | 0.7 | 70 |
| 19 | 995.3 | 21 | -23.0 | 80 | 1.9 | 280 |
| 20 | 995.3 | 21 | -28.3 | 77 | 2.1 | 250 |
| 21 | 992.2 | 21 | -26.8 | 77 | 3.1 | 170 |
| 22 | 992.3 | 21 | -16.9 | 84 | 12.2 | 40 |
| 23 | 991.4 | 21 | -13.3 | 87 | 14.3 | 50 |
| 24 | 990.9 | 21 | -29.1 | 76 | 1.1 | 210 |
| 25 | 991.2 | 21 | -28.2 | 75 | 2.0 | 190 |
| 26 | 968.8 | 21 | -9.5 | 72 | 16.3 | 60 |
| 27 | 971.4 | 21 | -9.2 | 75 | 19.9 | 40 |
| 28 | 977.9 | 21 | -12.1 | 72 | 4.3 | 80 |
| 29 | 979.6 | 21 | -15.0 | 59 | 1.5 | 350 |
| 30 | 987.0 | 21 | -17.2 | 67 | 2.8 | 110 |
| 31 | 987.0 | 21 | -21.7 | 64 | 3.7 | 150 |