月ごとの値
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室蘭（胆振地方) 1961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 | ||||||||||||||||||||||||||||
| 65.5 | 22 | 5 | 5 | 16 | 5 | 16 | 3 | 1 | 0 | 0 | 0 | 0 | 9 | 17* | 31 | 31 | 15 | 0 | 0 | 0 | 0 | 8.0 | 1 | 17 | 30 | 0 | 0 | ||
| 135.1 | 46 | 2 | 19 | 58 | 31 | 01 | 4 | 3 | 2 | 1 | 0 | 0 | 35 | 01 | 25 | 24 | 18 | 12 | 3 | 0 | 0 | 6.5 | 0 | 8 | 24 | 0 | 0 | ||
| 201.3 | 55 | 2 | 21 | 14 | 9 | 22 | 1 | 1 | 0 | 0 | 0 | 0 | 12 | 01 | 13 | 8 | 4 | 1 | 0 | 0 | 0 | 5.4 | 3 | 8 | 18 | 0 | 0 | ||
| 189.9 | 48 | 5 | 17 | 0 | 0 | 10* | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10* | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 6.0 | 4 | 9 | 4 | 5 | 0 | ||
| 211.9 | 47 | 4 | 18 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.2 | 2 | 9 | 0 | 8 | 0 | ||||
| 196.0 | 43 | 10 | 16 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.7 | 3 | 12 | 0 | 17 | 3 | ||||
| 164.6 | 36 | 5 | 14 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.2 | 2 | 13 | 0 | 23 | 2 | ||||
| 171.2 | 40 | 3 | 14 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.7 | 0 | 14 | 0 | 6 | 0 | ||||
| 184.7 | 49 | 5 | 18 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.0 | 3 | 11 | 0 | 1 | 3 | ||||
| 148.7 | 43 | 9 | 17 | 0 | 0 | 24 | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.3 | 2 | 10 | 1 | 0 | 0 | |||
| 132.4 | 45 | 4 | 18 | 7 | 3 | 24 | 1 | 0 | 0 | 0 | 0 | 0 | 3 | 24* | 5 | 4 | 0 | 0 | 0 | 0 | 0 | 6.3 | 1 | 9 | 9 | 0 | 0 | ||
| 100.2 | 36 | 3 | 15 | 11 | 4 | 21 | 2 | 0 | 0 | 0 | 0 | 0 | 5 | 09 | 17 | 6 | 1 | 0 | 0 | 0 | 0 | 7.0 | 1 | 9 | 19 | 0 | 0 | ||