３か月ごとの値
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室蘭（胆振地方) 1983年（３か月ごとの値） 詳細（日照・雪・その他）
| 月 | 日照時間(h) | 全天日射量 (MJ/㎡) | 雪(cm) | 雲量 | 大気現象 | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 合計 | 日照率 | 各階級の日数 | 降雪 | 各階級の日数（降雪） | 最深積雪 | 各階級の日数（最深積雪） | 平均 | 各階級の日数 | 雪日数 | 霧日数 | 雷日数 | ||||||||||||||||||
| 不照 | 日照率 ≧40% | 平均 | 合計 | 日合計の最大 | ≧3cm | ≧5cm | ≧10cm | ≧20cm | ≧50cm | ≧100cm | 値 | 日 | ≧0cm | ≧1cm | ≧5cm | ≧10cm | ≧20cm | ≧50cm | ≧100cm | ＜1.5 | ≧8.5 | ||||||||
| 値 | 日 | ||||||||||||||||||||||||||||
11～1 | 340.6 | 39 | 8 | 42 | 5.7 | 43 | 10 | 11/24 | 5 | 3 | 1 | 0 | 0 | 0 | 10 | 11/24 | 40 | 35 | 12 | 1 | 0 | 0 | 0 | 7.4 | 2 | 40 | 55 | 0 | 1 |
12～2 | 332.5 | 38 | 10 | 43 | 6.3 | 74 | 13 | 02/09 | 9 | 5 | 2 | 0 | 0 | 0 | 21 | 02/21 | 58 | 52 | 26 | 5 | 1 | 0 | 0 | 7.9 | 1 | 42 | 77 | 0 | 1 |
1～3 | 471.9 | 50 | 7 | 54 | 10.0 | 86 | 13 | 02/09 | 11 | 7 | 2 | 0 | 0 | 0 | 21 | 02/21 | 64 | 58 | 33 | 10 | 1 | 0 | 0 | 7.2 | 4 | 39 | 73 | 0 | 1 |
2～4 | 585.3 | 55 | 8 | 61 | 13.9 | 74 | 13 | 02/09 | 9 | 6 | 2 | 0 | 0 | 0 | 21 | 02/21 | 43 | 41 | 28 | 10 | 1 | 0 | 0 | 6.7 | 6 | 31 | 47 | 4 | 1 |
3～5 | 696.7 | 57 | 6 | 68 | 17.5 | 24 | 9 | 03/17* | 3 | 2 | 0 | 0 | 0 | 0 | 18 | 03/03 | 19 | 18 | 10 | 5 | 0 | 0 | 0 | 5.9 | 9 | 23 | 19 | 7 | 1 |
4～6 | 566.2 | 43 | 17 | 51 | 16.7 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.7 | 7 | 34 | 0 | 11 | 3 | ||
5～7 | 461.0 | 34 | 25 | 42 | 15.8 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.7 | 4 | 46 | 0 | 18 | 4 | ||
6～8 | 404.2 | 30 | 34 | 35 | 14.3 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.0 | 5 | 53 | 0 | 22 | 4 | ||
7～9 | 469.4 | 37 | 29 | 46 | 14.0 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.4 | 6 | 43 | 0 | 18 | 4 | ||
8～10 | 551.3 | 48 | 20 | 58 | 12.9 | 0 | 0 | 10/30* | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10/30 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 6.3 | 9 | 27 | 2 | 7 | 5 |
9～11 | 532.1 | 53 | 11 | 64 | 10.4 | 4 | 4 | 11/22 | 1 | 0 | 0 | 0 | 0 | 0 | 4 | 11/22 | 8 | 1 | 0 | 0 | 0 | 0 | 0 | 5.9 | 7 | 19 | 9 | 0 | 5 |
10～12 | 460.4 | 50 | 9 | 61 | 7.9 | 29 | 12 | 12/25 | 4 | 2 | 1 | 0 | 0 | 0 | 15 | 12/26 | 28 | 13 | 9 | 5 | 0 | 0 | 0 | 6.2 | 6 | 26 | 28 | 0 | 3 |