指定気圧面の観測データ（日ごとの値）
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昭和 1975年10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 | 986.9 | 21 | -21.2 | 48 | 0.6 | 230 |
| 2 | 982.6 | 21 | -15.9 | 40 | 6.3 | 170 |
| 3 | 979.4 | 21 | -9.5 | 38 | 0.2 | /// |
| 4 | 980.7 | 21 | -10.8 | 37 | 0.5 | 120 |
| 5 | 974.3 | 21 | -10.3 | 69 | 0.0 | /// |
| 6 | 968.7 | 21 | -11.4 | 75 | 0.5 | 60 |
| 7 | 979.8 | 21 | -12.2 | /// | 0.1 | /// |
| 8 | /// | /// | /// | /// | /// | /// |
| 9 | 971.1 | 21 | -14.5 | 76 | 19.0 | 60 |
| 10 | 975.5 | 21 | -13.9 | 74 | 16.4 | 50 |
| 11 | 972.7 | 21 | -11.1 | 57 | 3.5 | 360 |
| 12 | 966.8 | 21 | -8.6 | 91 | 2.0 | 340 |
| 13 | 986.5 | 21 | -11.4 | 57 | 1.6 | 140 |
| 14 | 990.3 | 21 | -14.8 | 50 | 0.1 | /// |
| 15 | 975.3 | 21 | -12.2 | 87 | 16.3 | 30 |
| 16 | 983.1 | 21 | -8.5 | 87 | 12.1 | 30 |
| 17 | 987.6 | 21 | -9.3 | 69 | 2.1 | 170 |
| 18 | 987.3 | 21 | -10.9 | 69 | 3.0 | 190 |
| 19 | 994.7 | 21 | -18.3 | 61 | 0.3 | 350 |
| 20 | 988.5 | 21 | -15.7 | 64 | 0.2 | /// |
| 21 | 970.0 | 21 | -14.4 | 73 | 16.2 | 60 |
| 22 | 966.0 | 21 | -13.5 | 43 | 4.0 | 200 |
| 23 | 977.4 | 21 | -8.5 | 83 | 9.2 | 40 |
| 24 | 970.8 | 21 | -11.9 | 52 | 5.5 | 180 |
| 25 | 981.8 | 21 | -12.8 | 77 | 10.6 | 30 |
| 26 | 987.4 | 21 | -12.1 | 69 | 0.8 | 280 |
| 27 | 973.2 | 21 | -12.5 | 64 | 3.2 | 20 |
| 28 | 964.7 | 21 | -6.6 | 83 | 0.5 | 90 |
| 29 | 976.6 | 21 | -8.6 | 78 | 1.4 | 60 |
| 30 | 977.9 | 21 | -10.5 | 74 | 0.2 | /// |
| 31 | 973.4 | 21 | -9.8 | 74 | 0.6 | 20 |