１時間ごとの値
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倶知安（後志地方) 2017年8月17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 | 990.5 | 1012.5 | -- | 16.7 | 14.2 | 16.2 | 85 | 1.0 | 南南東 | × | × |  | 20.0 | |||
| 2 | 990.5 | 1012.5 | -- | 16.7 | 14.0 | 16.0 | 84 | 1.7 | 南東 | × | × | | 20.0 | |||
| 3 | 990.7 | 1012.7 | -- | 17.0 | 13.9 | 15.9 | 82 | 3.0 | 南 | × | × | | 20.0 | |||
| 4 | 990.6 | 1012.6 | -- | 16.7 | 14.0 | 16.0 | 84 | 2.6 | 南東 | × | × | | 20.0 | |||
| 5 | 990.9 | 1013.0 | -- | 16.4 | 14.4 | 16.4 | 88 | 2.6 | 南東 | 0.0 | × | × |  | 20.0 | ||
| 6 | 991.3 | 1013.3 | -- | 16.8 | 14.8 | 16.8 | 88 | 2.1 | 南南東 | 0.0 | × | × | | 20.0 | ||
| 7 | 991.3 | 1013.3 | -- | 17.5 | 14.6 | 16.6 | 83 | 1.5 | 南東 | 0.0 | × | × | | 20.0 | ||
| 8 | 991.2 | 1013.1 | -- | 18.7 | 14.6 | 16.6 | 77 | 2.1 | 南 | 0.0 | × | × | | 20.0 | ||
| 9 | 991.3 | 1013.1 | -- | 19.6 | 15.5 | 17.6 | 77 | 3.7 | 南南西 | 0.2 | × | × | | 20.0 | ||
| 10 | 991.4 | 1013.2 | 0.0 | 19.2 | 16.3 | 18.5 | 83 | 5.0 | 南南西 | 0.1 | × | × |  | 20.0 | ||
| 11 | 991.3 | 1013.1 | 0.0 | 19.9 | 16.4 | 18.6 | 80 | 5.8 | 南西 | 0.0 | × | × | | 20.0 | ||
| 12 | 991.2 | 1013.0 | -- | 19.2 | 17.0 | 19.4 | 87 | 5.2 | 南西 | 0.0 | × | × | | 19.3 | ||
| 13 | 990.8 | 1012.6 | -- | 19.6 | 17.4 | 19.8 | 87 | 4.5 | 南西 | 0.0 | × | × | | 20.0 | ||
| 14 | 990.8 | 1012.6 | 0.0 | 19.4 | 17.9 | 20.5 | 91 | 1.6 | 南南東 | 0.0 | × | × | | 20.0 | ||
| 15 | 990.7 | 1012.5 | 0.0 | 19.4 | 17.0 | 19.4 | 86 | 3.4 | 南南西 | 0.0 | × | × | | 20.0 | ||
| 16 | 990.8 | 1012.6 | 0.0 | 19.5 | 16.6 | 18.8 | 83 | 4.2 | 南南西 | 0.0 | × | × | | 20.0 | ||
| 17 | 990.8 | 1012.6 | -- | 19.4 | 16.5 | 18.7 | 83 | 3.5 | 南南西 | 0.0 | × | × | | 20.0 | ||
| 18 | 991.1 | 1013.0 | -- | 18.9 | 16.0 | 18.1 | 83 | 2.1 | 南南東 | 0.0 | × | × | | 20.0 | ||
| 19 | 991.1 | 1013.0 | -- | 18.5 | 15.9 | 18.1 | 85 | 3.6 | 南西 | 0.0 | × | × | | 20.0 | ||
| 20 | 991.5 | 1013.5 | -- | 17.9 | 16.1 | 18.3 | 89 | 4.4 | 南西 | × | × | | 20.0 | |||
| 21 | 991.4 | 1013.4 | -- | 17.7 | 15.9 | 18.0 | 89 | 3.8 | 南西 | × | × | | 20.0 | |||
| 22 | 991.3 | 1013.3 | -- | 17.5 | 15.9 | 18.0 | 90 | 1.1 | 東南東 | × | × | | 20.0 | |||
| 23 | 991.2 | 1013.2 | -- | 17.5 | 15.7 | 17.8 | 89 | 2.8 | 南 | × | × | | 20.0 | |||
| 24 | 991.0 | 1013.0 | -- | 17.4 | 15.4 | 17.5 | 88 | 3.4 | 南南西 | × | × | | 20.0 | |||
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