指定気圧面の観測データ（日ごとの値）
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昭和 2017年12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 | 975.0 | 18 | -3.0 | 47 | 5.6 | 100 |
| 2 | 969.6 | 18 | -2.0 | 66 | 12.5 | 80 |
| 3 | 973.9 | 18 | -5.8 | 71 | 3.3 | 20 |
| 4 | 980.4 | 18 | -3.3 | 92 | 4.7 | 30 |
| 5 | 979.7 | 18 | -8.1 | 62 | 3.6 | 30 |
| 6 | 976.0 | 18 | -6.9 | 55 | 11.5 | 80 |
| 7 | 972.4 | 18 | -7.1 | 64 | 6.2 | 50 |
| 8 | 978.7 | 18 | -6.3 | 82 | 4.0 | 50 |
| 9 | 979.3 | 18 | -1.7 | 69 | 3.9 | 70 |
| 10 | 982.4 | 18 | -4.0 | 70 | 7.4 | 80 |
| 11 | 986.9 | 18 | -2.9 | 74 | 4.8 | 90 |
| 12 | 990.0 | 18 | -3.0 | 65 | 1.2 | 30 |
| 13 | 992.1 | 18 | -3.7 | 66 | 2.9 | 70 |
| 14 | 996.6 | 18 | -4.0 | 83 | 2.5 | 60 |
| 15 | 997.9 | 18 | -3.2 | 85 | 1.1 | 170 |
| 16 | 986.3 | 18 | -7.8 | 66 | 3.0 | 30 |
| 17 | 974.0 | 18 | -3.4 | 58 | 12.4 | 90 |
| 18 | 967.6 | 18 | -2.1 | 59 | 11.5 | 80 |
| 19 | 980.5 | 18 | -1.6 | 67 | 5.9 | 40 |
| 20 | 980.2 | 18 | -3.7 | 77 | 5.1 | 60 |
| 21 | 980.3 | 18 | -1.1 | 88 | 2.8 | 50 |
| 22 | 976.6 | 18 | 0.3 | 61 | 7.4 | 60 |
| 23 | 984.1 | 18 | 0.3 | 95 | 4.2 | 30 |
| 24 | 984.4 | 18 | 2.3 | 82 | 10.1 | 60 |
| 25 | 976.9 | 18 | -0.3 | 64 | 10.1 | 70 |
| 26 | 984.7 | 18 | 1.0 | 71 | 12.8 | 50 |
| 27 | 982.9 | 18 | -3.0 | 71 | 5.7 | 60 |
| 28 | 981.0 | 18 | -0.3 | 77 | 10.4 | 50 |
| 29 | 989.9 | 18 | -0.8 | 65 | 4.8 | 100 |
| 30 | 986.6 | 18 | -3.0 | 67 | 2.8 | 80 |
| 31 | 987.9 | 18 | -3.9 | 72 | 1.4 | 50 |