指定気圧面の観測データ（日ごとの値）
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昭和 1983年4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 | 984.4 | 21 | -4.8 | 91 | 22.6 | 60 |
| 2 | 985.1 | 21 | -8.8 | 56 | 2.9 | 190 |
| 3 | 981.8 | 21 | -10.3 | 68 | 6.3 | 90 |
| 4 | 971.8 | 21 | -12.7 | 55 | 5.3 | 200 |
| 5 | 977.4 | 21 | -12.0 | 57 | 10.2 | 80 |
| 6 | 983.3 | 21 | -10.6 | 55 | 1.4 | 60 |
| 7 | 968.9 | 21 | -12.5 | 44 | 8.7 | 70 |
| 8 | 974.6 | 21 | -7.9 | 62 | 10.6 | 80 |
| 9 | 976.6 | 21 | -5.1 | 63 | 18.2 | 90 |
| 10 | 979.5 | 21 | -2.0 | 57 | 11.6 | 90 |
| 11 | 980.6 | 21 | -4.1 | 50 | 16.7 | 80 |
| 12 | 979.6 | 21 | -13.0 | 31 | 11.5 | 90 |
| 13 | 986.4 | 21 | -16.2 | 36 | 8.9 | 80 |
| 14 | 975.2 | 21 | -21.7 | 59 | 2.4 | 200 |
| 15 | 980.4 | 21 | -18.1 | 67 | 5.6 | 180 |
| 16 | 989.9 | 21 | -6.5 | 76 | 10.6 | 40 |
| 17 | 986.1 | 21 | -17.0 | 74 | 2.0 | 140 |
| 18 | 977.0 | 21 | -14.4 | 39 | 10.3 | 70 |
| 19 | 977.9 | 21 | -10.4 | 77 | 5.7 | 170 |
| 20 | 976.3 | 21 | -11.4 | 51 | 11.1 | 80 |
| 21 | 978.7 | 21 | -12.0 | 52 | 3.0 | 120 |
| 22 | 984.6 | 21 | -11.6 | 71 | 1.1 | 30 |
| 23 | 984.0 | 21 | -10.4 | 71 | 4.7 | 180 |
| 24 | 1001.8 | 21 | -13.3 | 86 | 3.6 | 210 |
| 25 | 996.3 | 21 | -4.7 | 89 | 11.7 | 40 |
| 26 | 991.0 | 21 | -4.0 | 91 | 10.8 | 40 |
| 27 | 987.5 | 21 | -13.5 | 64 | 8.9 | 100 |
| 28 | 982.7 | 21 | -11.6 | 64 | 13.3 | 50 |
| 29 | 987.3 | 21 | -12.5 | 52 | 9.3 | 80 |
| 30 | 990.1 | 21 | -13.7 | 64 | 16.2 | 70 |