指定気圧面の観測データ（日ごとの値）
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昭和 1976年2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 | 987.3 | 21 | -1.9 | 71 | 2.1 | 290 |
| 2 | 992.5 | 21 | -2.0 | 70 | 1.6 | 20 |
| 3 | 988.1 | 21 | 0.2 | 64 | 5.6 | 70 |
| 4 | 984.1 | 21 | 0.2 | 73 | 10.3 | 60 |
| 5 | 982.1 | 21 | -0.7 | 83 | 14.9 | 40 |
| 6 | 991.5 | 21 | -1.1 | 79 | 8.9 | 40 |
| 7 | 991.4 | 21 | -0.9 | 58 | 2.5 | 20 |
| 8 | 985.9 | 21 | -2.0 | 57 | 1.9 | 20 |
| 9 | 984.5 | 21 | -3.4 | 45 | 5.0 | 40 |
| 10 | 991.3 | 21 | -1.5 | 50 | 0.4 | 90 |
| 11 | 990.6 | 21 | -3.2 | 89 | 7.9 | 40 |
| 12 | 985.9 | 21 | -1.8 | 85 | 10.1 | 40 |
| 13 | 987.1 | 21 | -1.0 | 48 | 0.3 | 60 |
| 14 | /// | /// | /// | /// | /// | /// |
| 15 | 971.0 | 21 | 1.8 | 49 | 1.3 | 180 |
| 16 | 971.8 | 21 | 0.9 | 66 | 1.6 | 190 |
| 17 | 986.3 | 21 | -3.1 | 64 | 3.2 | 210 |
| 18 | 987.8 | 21 | -1.1 | 60 | 0.5 | 190 |
| 19 | 980.0 | 21 | -3.1 | 71 | 3.7 | 40 |
| 20 | /// | /// | /// | /// | /// | /// |
| 21 | 983.3 | 21 | -2.2 | 76 | 4.3 | 20 |
| 22 | /// | /// | /// | /// | /// | /// |
| 23 | 987.0 | 21 | -4.3 | 46 | 2.1 | 170 |
| 24 | 992.3 | 21 | -4.2 | 59 | 1.0 | 40 |
| 25 | 989.2 | 21 | -2.7 | 43 | 5.5 | 40 |
| 26 | 983.7 | 21 | -3.7 | 48 | 1.1 | 150 |
| 27 | 981.5 | 21 | -4.1 | 54 | 0.4 | 100 |
| 28 | 976.5 | 21 | -3.5 | 92 | 18.4 | 40 |
| 29 | /// | /// | /// | /// | /// | /// |