年ごとの値
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室蘭（胆振地方) 年ごとの値 詳細（N時間降雪量）
| 年 | N時間降雪量 | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 最大3時間降雪量 | 最大6時間降雪量 | 最大12時間降雪量 | 最大24時間降雪量 | 最大48時間降雪量 | 最大72時間降雪量 | |||||||||
| 降雪量 (cm) | 月/日 時:分 | 降雪量 (cm) | 月/日 時:分 | 降雪量 (cm) | 月/日 時:分 | 降雪量 (cm) | 月/日 時:分 | 降雪量 (cm) | 月/日 時:分 | 降雪量 (cm) | 月/日 時:分 | |||
| /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | |||
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| 8 ] | 3/19 09:00 | 8 ] | 3/19 12:00 | 8 ] | 3/19 18:00 | 10 ] | 3/22 17:00 | 11 ] | 3/23 17:00 | 15 ] | 3/24 17:00 | |||
| 19 ] | 1/20 02:00 | 23 ] | 1/20 04:00 | 23 ] | 1/20 10:00 | 25 ] | 1/20 05:00 | 30 ] | 1/21 05:00 | 30 ] | 1/22 05:00 | |||
| 15 ] | 3/11 19:00 | 15 ] | 3/11 22:00 | 19 ] | 3/11 19:00 | 32 ] | 3/11 22:00 | 32 ] | 3/12 22:00 | 32 ] | 3/13 22:00 | |||
| 10 ] | 11/30 10:00 | 12 ] | 11/30 10:00 | 12 ] | 11/30 16:00 | 12 ] | 12/01 04:00 | 13 ] | 12/02 04:00 | 18 ] | 1/18 04:00 | |||
| 12 ] | 1/21 07:00 | 16 ] | 1/21 07:00 | 17 ] | 1/21 10:00 | 18 ] | 1/22 01:00 | 22 ] | 1/21 20:00 | 23 ] | 1/22 20:00 | |||
| 8 ] | 2/17 17:00 | 9 ] | 2/17 20:00 | 12 ] | 4/02 23:00 | 15 ] | 2/18 14:00 | 17 ] | 2/19 14:00 | 17 ] | 2/20 14:00 | |||
| 10 | 1/29 06:00 | 14 | 1/20 05:00 | 25 | 1/20 12:00 | 29 | 1/20 23:00 | 31 ] | 1/21 24:00 | 35 ] | 1/22 23:00 | |||
| 10 | 1/03 14:00 | 14 | 1/03 17:00 | 16 | 12/17 24:00 | 17 | 3/02 11:00 | 19 | 1/05 12:00 | 29 | 12/14 12:00 | |||
| 9 | 1/29 04:00 | 10 | 1/29 07:00 | 11 | 1/29 07:00 | 12 | 1/29 05:00 | 15 | 1/29 05:00 | 18 | 1/30 01:00 | |||
| 11 ] | 1/24 09:00 | 17 ] | 1/24 10:00 | 19 ] | 1/24 12:00 | 19 ] | 1/24 24:00 | 19 ] | 1/26 04:00 | 23 ] | 1/27 03:00 | |||
| 13 | 4/26 18:00 | 16 | 1/10 18:00 | 25 | 1/10 20:00 | 28 | 1/11 08:00 | 28 | 1/12 08:00 | 35 | 1/13 08:00 | |||
| 18 | 1/05 18:00 | 18 | 3/03 08:00 | 27 | 1/05 18:00 | 27 | 1/06 06:00 | 29 | 1/05 18:00 | 34 ] | 3/05 23:00 | |||
| 14 | 12/18 04:00 | 17 | 12/29 08:00 | 21 | 12/29 14:00 | 21 | 12/30 02:00 | 23 | 12/29 16:00 | 26 | 12/29 14:00 | |||
| 10 | 2/23 17:00 | 15 | 2/23 20:00 | 21 | 2/24 02:00 | 21 | 2/24 14:00 | 27 | 2/25 14:00 | 38 | 2/26 14:00 | |||
| 11 | 2/11 16:00 | 12 | 2/11 17:00 | 12 | 2/11 23:00 | 14 | 2/12 11:00 | 14 | 2/13 11:00 | 21 | 2/07 16:00 | |||
| 15 | 1/19 01:00 | 17 | 1/19 02:00 | 18 | 1/19 06:00 | 19 | 2/16 14:00 | 21 | 3/09 22:00 | 23 | 1/21 18:00 | |||
| 11 | 1/17 07:00 | 13 | 1/17 10:00 | 14 | 1/18 07:00 | 22 | 1/18 04:00 | 29 | 1/18 24:00 | 29 | 1/19 24:00 | |||
| 18 | 2/29 07:00 | 20 | 2/29 07:00 | 21 | 2/29 12:00 | 21 ] | 2/29 24:00 | 24 ] | 3/01 24:00 | 25 ] | 3/02 24:00 | |||
| 17 | 1/19 03:00 | 25 | 1/19 04:00 | 25 | 1/19 10:00 | 25 | 1/19 22:00 | 25 | 1/20 22:00 | 25 | 1/21 22:00 | |||
| 10 | 2/04 09:00 | 11 | 12/16 07:00 | 14 | 2/04 09:00 | 18 | 2/04 19:00 | 18 | 2/05 19:00 | 20 | 2/05 02:00 | |||
| 8 | 12/12 14:00 | 13 | 12/12 15:00 | 13 | 12/12 21:00 | 13 | 12/13 09:00 | 18 | 2/07 14:00 | 21 | 2/06 24:00 | |||
| 9 | 2/17 02:00 | 14 | 2/17 03:00 | 20 | 2/17 04:00 | 24 | 2/17 15:00 | 25 | 2/18 15:00 | 36 | 3/05 18:00 | |||
| 9 | 1/16 23:00 | 12 | 1/30 04:00 | 16 ] | 3/02 12:00 | 24 ] | 1/30 05:00 | 27 ] | 1/31 01:00 | 31 ] | 2/01 01:00 | |||
| 9 | 1/07 10:00 | 10 | 3/15 15:00 | 16 | 3/15 17:00 | 16 | 3/16 05:00 | 16 ] | 3/17 05:00 | 16 ] | 3/18 05:00 | |||
| 14 | 2/20 02:00 | 16 | 2/20 02:00 | 20 | 2/20 04:00 | 20 | 2/20 16:00 | 22 | 2/21 16:00 | 24 | 2/22 16:00 | |||
| 9 ] | 1/08 03:00 | 12 | 1/21 21:00 | 16 | 1/21 24:00 | 19 | 1/22 10:00 | 21 | 1/22 09:00 | 23 | 1/22 22:00 | |||
- 寒候年とは、前年8月1日から当年7月31日までの期間のことです。例えば、2008年寒候年は2007年8月1日から2008年7月31日までの期間を示します。
- 値欄の記号の説明
- 赤線は、観測場所を移転した場合、観測装置を変更した場合または観測の時間間隔を変更した場合に、その前後のデータが均質でないことを示します。
赤実線の前後では観測データや観測史上1位などの極値を比較できませんが、赤点線の前後では極値を比較できます。