１時間ごとの値
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苫小牧（胆振地方) 2018年5月18日 （１時間ごとの値）
| 時 | 気圧(hPa) | 降水量 (mm) | 気温 (℃) | 露点 温度 (℃) | 蒸気圧 (hPa) | 湿度 (％) | 風向・風速(m/s) | 日照 時間 (h) | 全天 日射量 (MJ/㎡) | 雪(cm) | 天気 | 雲量 | 視程 (km) | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 現地 | 海面 | 風速 | 風向 | 降雪 | 積雪 | |||||||||||
| 1 | 1011.9 | 1012.9 | -- | 10.5 | 7.6 | 10.4 | 82 | 1.8 | 南南東 | × | × |  | 20.0 | |||
| 2 | 1011.9 | 1012.9 | -- | 10.2 | 7.5 | 10.3 | 83 | 3.1 | 南南西 | × | × | | 20.0 | |||
| 3 | 1012.0 | 1013.0 | -- | 9.9 | 7.5 | 10.4 | 85 | 3.5 | 南西 | × | × | | 20.0 | |||
| 4 | 1012.1 | 1013.1 | -- | 10.1 | 7.4 | 10.3 | 83 | 3.1 | 南西 | × | × | | 20.0 | |||
| 5 | 1012.5 | 1013.5 | -- | 9.9 | 7.0 | 10.0 | 82 | 3.6 | 南西 | 0.0 | × | × | | 20.0 | ||
| 6 | 1013.0 | 1014.0 | -- | 9.1 | 5.8 | 9.2 | 80 | 4.9 | 南 | 0.0 | × | × | | 20.0 | ||
| 7 | 1013.2 | 1014.2 | -- | 9.1 | 6.4 | 9.6 | 83 | 3.4 | 南南西 | 0.0 | × | × | | 20.0 | ||
| 8 | 1013.1 | 1014.1 | 0.0 | 9.1 | 6.6 | 9.7 | 84 | 3.8 | 南南西 | 0.0 | × | × |  | 20.0 | ||
| 9 | 1013.0 | 1014.0 | 0.5 | 8.0 | 6.8 | 9.9 | 92 | 5.7 | 南 | 0.0 | × | × | | 10.6 | ||
| 10 | 1012.7 | 1013.7 | 0.0 | 7.8 | 6.8 | 9.8 | 93 | 6.2 | 南 | 0.0 | × | × | | 8.80 | ||
| 11 | 1012.6 | 1013.6 | 1.0 | 7.5 | 6.3 | 9.5 | 92 | 7.0 | 南 | 0.0 | × | × | | 11.5 | ||
| 12 | 1012.6 | 1013.6 | 0.0 | 7.9 | 6.9 | 9.9 | 93 | 4.6 | 南 | 0.0 | × | × | | 20.0 | ||
| 13 | 1011.8 | 1012.8 | 0.0 | 7.8 | 6.8 | 9.8 | 93 | 3.8 | 南 | 0.0 | × | × | | 16.0 | ||
| 14 | 1011.4 | 1012.4 | 1.0 | 7.2 | 6.0 | 9.3 | 92 | 3.7 | 南 | 0.0 | × | × | | 12.4 | ||
| 15 | 1011.2 | 1012.2 | 1.0 | 6.9 | 5.5 | 9.1 | 91 | 4.8 | 南南東 | 0.0 | × | × | | 8.92 | ||
| 16 | 1010.5 | 1011.5 | 1.0 | 7.0 | 5.8 | 9.2 | 92 | 2.6 | 南南東 | 0.0 | × | × | | 10.6 | ||
| 17 | 1011.4 | 1012.4 | 1.5 | 6.9 | 5.9 | 9.3 | 93 | 0.5 | 南西 | 0.0 | × | × | | 5.38 | ||
| 18 | 1010.6 | 1011.6 | 3.5 | 6.6 | 6.0 | 9.4 | 96 | 2.3 | 南 | 0.0 | × | × | | 4.80 | ||
| 19 | 1009.7 | 1010.7 | 2.0 | 6.7 | 6.1 | 9.4 | 96 | 3.1 | 南東 | 0.0 | × | × | | 10.3 | ||
| 20 | 1010.0 | 1011.0 | 0.5 | 6.9 | 6.3 | 9.6 | 96 | 1.1 | 北 | × | × | | 13.3 | |||
| 21 | 1009.3 | 1010.3 | 0.5 | 6.7 | 6.3 | 9.5 | 97 | 1.4 | 西北西 | × | × | | 17.5 | |||
| 22 | 1009.0 | 1010.0 | 0.0 | 6.7 | 6.0 | 9.3 | 95 | 1.5 | 北北西 | × | × | | 9.72 | |||
| 23 | 1008.7 | 1009.7 | 1.0 | 6.6 | 6.0 | 9.4 | 96 | 1.5 | 北 | × | × | | 10.1 | |||
| 24 | 1008.4 | 1009.4 | 1.0 | 6.5 | 6.1 | 9.4 | 97 | 1.5 | 北 | × | × | | 6.30 | |||
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