指定気圧面の観測データ（日ごとの値）
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昭和 1985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 | 980.6 | 21 | -9.6 | 56 | 24.9 | 90 |
| 2 | 987.8 | 21 | -10.7 | 54 | 10.3 | 60 |
| 3 | 989.6 | 21 | -11.8 | 53 | 8.7 | 80 |
| 4 | 988.5 | 21 | -9.7 | 65 | 10.2 | 60 |
| 5 | 985.5 | 21 | -11.5 | 66 | 0.2 | - |
| 6 | 992.0 | 21 | -10.9 | 57 | 6.1 | 60 |
| 7 | 982.5 | 21 | -7.9 | 84 | 17.0 | 50 |
| 8 | 981.3 | 21 | -8.8 | 65 | 1.0 | 90 |
| 9 | 989.0 | 21 | -8.5 | 66 | 10.3 | 60 |
| 10 | 986.5 | 21 | -10.4 | 56 | 10.0 | 60 |
| 11 | 978.0 | 21 | -14.7 | 59 | 4.7 | 220 |
| 12 | 989.0 | 21 | -15.9 | 51 | 2.8 | 50 |
| 13 | 963.2 | 21 | -7.3 | 80 | 19.9 | 60 |
| 14 | 981.2 | 21 | -11.5 | 56 | 12.0 | 80 |
| 15 | 988.4 | 21 | -9.3 | 68 | 8.8 | 60 |
| 16 | 993.7 | 21 | -11.4 | 68 | 3.4 | 230 |
| 17 | 995.2 | 21 | -17.8 | 39 | 5.5 | 60 |
| 18 | 986.1 | 21 | -15.0 | 50 | 4.7 | 100 |
| 19 | 986.4 | 21 | -16.0 | 44 | 12.9 | 80 |
| 20 | 989.0 | 21 | -15.8 | 43 | 10.9 | 60 |
| 21 | 989.8 | 21 | -17.1 | 42 | 1.3 | 20 |
| 22 | 990.8 | 21 | -20.6 | 40 | 0.8 | 10 |
| 23 | 999.1 | 21 | -18.8 | 63 | 1.6 | 20 |
| 24 | 991.1 | 21 | -15.8 | 53 | 3.7 | 10 |
| 25 | 988.6 | 21 | -16.7 | 69 | 3.2 | 10 |
| 26 | /// | /// | /// | /// | /// | /// |
| 27 | 978.1 | 21 | -9.1 | 81 | 11.9 | 40 |
| 28 | 998.1 | 21 | -15.1 | 66 | 0.9 | 80 |
| 29 | 980.6 | 21 | -14.2 | 49 | 4.5 | 80 |
| 30 | 982.0 | 21 | -22.6 | 44 | 11.7 | 80 |
| 31 | 982.7 | 21 | -25.8 | 43 | 4.6 | 10 |