指定気圧面の観測データ（日ごとの値）
 |  |
 |  |  |  |  |  |  |  |  |  |  |  |  |
 |  |  |  |  |  |  |  |  |  |  |  |  |
 |  |  |  |  |  |
昭和 1989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 | 996.5 | 21 | -4.4 | 82 | 15.4 | 40 |
| 2 | 994.6 | 21 | -14.9 | 86 | 0.9 | 290 |
| 3 | 987.6 | 21 | -21.8 | 67 | 1.7 | 230 |
| 4 | 987.0 | 21 | -17.4 | 71 | 2.2 | 170 |
| 5 | 986.3 | 21 | -7.4 | 65 | 13.1 | 50 |
| 6 | 990.1 | 21 | -7.8 | 54 | 13.9 | 70 |
| 7 | 986.5 | 21 | -4.8 | 79 | 13.2 | 40 |
| 8 | 994.3 | 21 | -5.7 | 62 | 1.3 | 250 |
| 9 | 1003.2 | 21 | -16.5 | 82 | 1.6 | 320 |
| 10 | 986.8 | 21 | -8.3 | 59 | 17.9 | 70 |
| 11 | 985.1 | 21 | -5.4 | 91 | 24.3 | 50 |
| 12 | 995.4 | 21 | -7.4 | 63 | 10.1 | 60 |
| 13 | 989.4 | 21 | -15.3 | 45 | 8.0 | 70 |
| 14 | 980.6 | 21 | -13.5 | 67 | 7.7 | 60 |
| 15 | 982.7 | 21 | -10.5 | 93 | 18.9 | 50 |
| 16 | 988.6 | 21 | -9.1 | 95 | 20.3 | 50 |
| 17 | 983.7 | 21 | -5.7 | 94 | 16.3 | 50 |
| 18 | 988.1 | 21 | -3.5 | 93 | 17.1 | 50 |
| 19 | 993.9 | 21 | -15.8 | 63 | 1.7 | 190 |
| 20 | 981.0 | 21 | -27.3 | 69 | 4.4 | 10 |
| 21 | 990.6 | 21 | -24.3 | 46 | 3.3 | 40 |
| 22 | 1004.2 | 21 | -23.2 | 45 | 2.0 | 60 |
| 23 | 998.3 | 21 | -15.5 | 55 | 3.2 | 120 |
| 24 | 983.5 | 21 | -5.5 | 92 | 17.9 | 40 |
| 25 | 977.8 | 21 | -5.3 | 78 | 8.3 | 40 |
| 26 | 979.3 | 21 | -13.1 | 62 | 0.6 | 90 |
| 27 | 978.4 | 21 | -15.2 | 73 | 3.0 | 150 |
| 28 | 975.8 | 21 | -11.0 | 58 | 3.0 | 120 |
| 29 | 973.2 | 21 | -8.9 | 72 | 10.4 | 60 |
| 30 | 979.9 | 21 | -14.8 | 67 | 3.0 | 150 |