月ごとの値
 |  |
 |  |
 |  |  |  |  |  |  |
 |  |  |  |  |  |
 |  |  |  |  |
室蘭（胆振地方) 2014年（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 | ||||||||||||||||||||||||||||
| 87.0 | 30 | 0 | 7 | 5.4 | 48 | 13 | 18 | 6 | 5 | 1 | 0 | 0 | 0 | 19 | 19 | 29 | 23 | 14 | 12 | 0 | 0 | 0 | 8.3 | 0 | 19 | 30 | 0 | 0 | |
| 157.9 | 54 | 3 | 20 | 10.5 | 38 | 11 | 15 | 4 | 3 | 1 | 0 | 0 | 0 | 29 | 16 | 28 | 28 | 28 | 26 | 10 | 0 | 0 | 6.2 | 2 | 6 | 25 | 0 | 0 | |
| 175.0 | 48 | 4 | 18 | 13.0 | 59 | 16 | 09 | 8 | 4 | 1 | 0 | 0 | 0 | 35 | 09 | 26 | 26 | 25 | 24 | 18 | 0 | 0 | 6.9 | 0 | 12 | 22 | 2 | 0 | |
| 293.4 | 74 | 1 | 26 | 21.0 | 2 | 2 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 11 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 3.9 | 12 | 6 | 4 | 1 | 0 | |
| 229.0 | 51 | 2 | 20 | 20.0 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.4 | 1 | 14 | 0 | 5 | 0 | |||
| 142.5 | 31 | 10 | 11 | 16.5 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.9 | 1 | 18 | 0 | 15 | 1 | |||
| 189.0 | 41 | 6 | 17 | 18.3 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.6 | 1 | 17 | 0 | 9 | 0 | |||
| 171.7 | 40 | 8 | 15 | 15.4 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.4 | 1 | 16 | 0 | 1 | 2 | |||
| 218.2 | 58 | 1 | 23 | 16.0 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.2 | 4 | 7 | 0 | 0 | 2 | |||
| 179.8 | 52 | 2 | 18 | 10.7 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.2 | 4 | 5 | 0 | 0 | 2 | |||
| 110.3 | 38 | 3 | 11 | 6.3 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 15 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 7.2 | 1 | 9 | 10 | 0 | 1 | ||
| 61.9 | 22 | 3 | 6 | 4.2 | 25 | 3 | 24* | 2 | 0 | 0 | 0 | 0 | 0 | 2 | 31* | 26 | 21 | 0 | 0 | 0 | 0 | 0 | 8.5 | 0 | 19 | 29 | 0 | 0 | |