指定気圧面の観測データ（日ごとの値）
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昭和 1977年7月9時（現地時間 3時） 地上
| 日 | 気圧(hPa) | 高度(m) | 気温(℃) | 相対湿度(%) | 風速(m/s) | 風向(°) |
|---|---|---|---|---|---|---|
| 1 | 993.2 | 21 | -13.8 | 91 | 19.4 | 40 |
| 2 | 971.5 | 21 | -9.0 | 94 | 19.0 | 30 |
| 3 | 969.5 | 21 | -9.6 | 96 | 0.1 | /// |
| 4 | 998.2 | 21 | -18.8 | 78 | 5.2 | 50 |
| 5 | 994.8 | 21 | -20.8 | 54 | 0.2 | /// |
| 6 | 990.6 | 21 | -16.4 | 57 | 0.7 | 160 |
| 7 | 996.8 | 21 | -15.7 | 52 | 0.6 | 140 |
| 8 | 986.9 | 21 | -10.1 | 58 | 1.0 | 350 |
| 9 | 998.9 | 21 | -11.5 | 42 | 1.0 | 120 |
| 10 | 1008.0 | 21 | -17.6 | 43 | 2.2 | 50 |
| 11 | 991.8 | 21 | -23.0 | 63 | 1.8 | 200 |
| 12 | 999.6 | 21 | -21.1 | 49 | 4.3 | 160 |
| 13 | 990.3 | 21 | -14.6 | 56 | 10.0 | 70 |
| 14 | 984.6 | 21 | -15.4 | 49 | 13.4 | 70 |
| 15 | 967.1 | 21 | -11.3 | 86 | 20.9 | 40 |
| 16 | 964.2 | 21 | -8.8 | 85 | 19.3 | 80 |
| 17 | 975.9 | 21 | -11.1 | 65 | 5.7 | 50 |
| 18 | 985.0 | 21 | -13.4 | 64 | 2.9 | 150 |
| 19 | 982.4 | 21 | -16.5 | 53 | 2.7 | 30 |
| 20 | 983.7 | 21 | -12.8 | 75 | 9.5 | 40 |
| 21 | 977.5 | 21 | -13.4 | 56 | 0.3 | 170 |
| 22 | 977.4 | 21 | -10.3 | 52 | 12.3 | 70 |
| 23 | 986.2 | 21 | -14.9 | 40 | 11.4 | 90 |
| 24 | 1003.0 | 21 | -17.0 | 42 | 12.0 | 70 |
| 25 | 995.5 | 21 | -15.0 | 51 | 2.7 | 100 |
| 26 | 992.7 | 21 | -13.9 | 54 | 6.7 | 80 |
| 27 | 984.8 | 21 | -16.6 | 56 | 0.1 | /// |
| 28 | 975.8 | 21 | -4.7 | 88 | 16.4 | 80 |
| 29 | 991.1 | 21 | -5.8 | 85 | 29.5 | 60 |
| 30 | 985.7 | 21 | -6.0 | 90 | 26.2 | 60 |
| 31 | 998.1 | 21 | -7.7 | 95 | 5.5 | 30 |