指定気圧面の観測データ（日ごとの値）
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昭和 1966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 | 980.9 | 15 | -9.3 | 90 | 10.8 | 50 |
| 2 | 976.4 | 15 | -14.4 | 82 | 8.6 | 90 |
| 3 | 988.8 | 15 | -11.7 | 71 | 0.7 | 40 |
| 4 | 986.8 | 15 | -12.6 | 74 | 4.2 | 30 |
| 5 | /// | /// | /// | /// | /// | /// |
| 6 | 1008.5 | 15 | -7.4 | 64 | 2.9 | 90 |
| 7 | 990.1 | 15 | -5.4 | 89 | 12.5 | 50 |
| 8 | 985.6 | 15 | -6.1 | 97 | 17.4 | 50 |
| 9 | 992.5 | 15 | -8.7 | 72 | 7.7 | 50 |
| 10 | 997.1 | 15 | -11.3 | 71 | 8.6 | 70 |
| 11 | 987.0 | 15 | -15.4 | 66 | 0.2 | 110 |
| 12 | 978.8 | 15 | -13.5 | 57 | 0.2 | 110 |
| 13 | 979.4 | 15 | -14.6 | 54 | 3.6 | 50 |
| 14 | 982.5 | 15 | -16.8 | 49 | 0.7 | 150 |
| 15 | 981.7 | 15 | -16.3 | 74 | 2.0 | 320 |
| 16 | 984.9 | 15 | -10.8 | 72 | 4.2 | 50 |
| 17 | 983.3 | 15 | -10.3 | 66 | 5.6 | 70 |
| 18 | 991.1 | 15 | -12.9 | 56 | 0.9 | 90 |
| 19 | 995.1 | 15 | -20.6 | 62 | 6.1 | 180 |
| 20 | 995.2 | 15 | -22.1 | 47 | 0.2 | 50 |
| 21 | 1004.7 | 15 | -19.6 | 48 | 5.0 | 110 |
| 22 | 1010.2 | 15 | -11.3 | 68 | 11.9 | 50 |
| 23 | 1005.8 | 15 | -15.0 | 62 | 5.8 | 180 |
| 24 | 999.3 | 15 | -7.3 | 100 | 14.9 | 50 |
| 25 | 1009.3 | 15 | -13.8 | 89 | 0.3 | 360 |
| 26 | 994.8 | 15 | -10.9 | 48 | 2.4 | 180 |
| 27 | 990.5 | 15 | -8.3 | 84 | 21.3 | 70 |
| 28 | 988.8 | 15 | -8.9 | 35 | 11.9 | 110 |
| 29 | 986.9 | 15 | -19.1 | 56 | 12.9 | 90 |
| 30 | 984.4 | 15 | -12.7 | 47 | 9.3 | 50 |
| 31 | 984.2 | 15 | -10.8 | 52 | 15.7 | 70 |