指定気圧面の観測データ（日ごとの値）
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昭和 2014年4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 | 984.0 | 18 | -9.7 | 79 | 5.4 | 200 |
| 2 | 986.1 | 18 | -10.4 | 79 | 2.2 | 210 |
| 3 | 969.2 | 18 | -4.5 | 90 | 21.7 | 70 |
| 4 | 977.1 | 18 | -6.6 | 84 | 11.0 | 40 |
| 5 | 984.2 | 18 | -9.8 | 89 | 4.0 | 170 |
| 6 | 988.4 | 18 | -13.9 | 76 | 2.4 | 150 |
| 7 | 972.9 | 18 | -7.8 | 93 | 26.6 | 50 |
| 8 | 977.2 | 18 | -8.9 | 82 | 4.2 | 200 |
| 9 | 987.1 | 18 | -9.6 | 78 | 2.8 | 70 |
| 10 | 959.5 | 18 | -6.3 | 94 | 20.7 | 50 |
| 11 | 980.6 | 18 | -9.0 | 79 | 9.1 | 60 |
| 12 | 991.5 | 18 | -9.5 | 75 | 2.9 | 170 |
| 13 | 986.4 | 18 | -10.8 | 68 | 0.8 | 280 |
| 14 | 984.2 | 18 | -16.6 | 51 | 1.8 | 80 |
| 15 | 989.5 | 18 | -15.0 | 65 | 2.6 | 50 |
| 16 | 981.0 | 18 | -8.0 | 83 | 20.1 | 80 |
| 17 | 961.0 | 18 | -9.4 | 57 | 6.8 | 80 |
| 18 | 968.2 | 18 | -8.5 | 71 | 3.2 | 30 |
| 19 | 982.2 | 18 | -7.6 | 70 | 1.6 | 50 |
| 20 | 982.2 | 18 | -8.9 | 71 | 4.1 | 60 |
| 21 | 977.8 | 18 | -13.5 | 79 | 4.2 | 180 |
| 22 | 992.6 | 18 | -10.5 | 69 | 10.5 | 50 |
| 23 | 998.5 | 18 | -12.9 | 57 | 6.2 | 100 |
| 24 | 981.3 | 18 | -9.2 | 79 | 14.3 | 70 |
| 25 | 968.4 | 18 | -5.9 | 67 | 20.5 | 60 |
| 26 | 968.7 | 18 | -9.7 | 85 | 16.8 | 60 |
| 27 | 972.2 | 18 | -9.5 | 82 | 7.2 | 50 |
| 28 | 982.2 | 18 | -10.1 | 91 | 18.3 | 60 |
| 29 | 985.9 | 18 | -10.3 | 68 | 2.0 | 40 |
| 30 | 981.2 | 18 | -24.1 | 75 | 1.1 | 20 |