月ごとの値
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根室（根室地方) 1978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 | ||||||||||||||||||||||||||||
| 153.0 | 53 | 6 | 19 | 6.2 | 40 | 10 | 22 | 6 | 4 | 1 | 0 | 0 | 0 | 27 | 28 | 31 | 31 | 14 | 13 | 10 | 0 | 0 | 5.6 | 0 | 6 | 24 | 0 | 0 | |
| 181.2 | 62 | 1 | 21 | 10.7 | 26 | 6 | 20* | 5 | 3 | 0 | 0 | 0 | 0 | 46 | 27 | 28 | 28 | 28 | 28 | 19 | 0 | 0 | 5.2 | 3 | 5 | 17 | 4 | 0 | |
| 260.5 | 71 | 3 | 27 | 15.7 | 7 | 5 | 01 | 1 | 1 | 0 | 0 | 0 | 0 | 38 | 05* | 26 | 22 | 19 | 18 | 15 | 0 | 0 | 4.1 | 8 | 4 | 14 | 2 | 0 | |
| 165.2 | 41 | 9 | 16 | 14.1 | 3 | 3 | 10 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 10* | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 7.0 | 1 | 13 | 7 | 10 | 1 | |
| 170.9 | 38 | 9 | 15 | 15.2 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.3 | 1 | 15 | 0 | 17 | 2 | |||
| 202.9 | 44 | 4 | 19 | 18.9 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.8 | 0 | 15 | 0 | 21 | 1 | |||
| 170.9 | 37 | 5 | 14 | 17.7 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.4 | 0 | 19 | 0 | 30 | 1 | |||
| 172.3 | 40 | 5 | 14 | 15.1 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.9 | 1 | 18 | 0 | 17 | 4 | |||
| 209.8 | 56 | 6 | 21 | 13.6 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.7 | 4 | 9 | 0 | 5 | 1 | |||
| 182.0 | 53 | 5 | 21 | 9.5 | 0 | 0 | 28 | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.1 | 2 | 11 | 1 | 2 | 0 | ||
| 156.2 | 54 | 5 | 19 | 6.6 | 0 | 0 | 24* | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 24 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 5.5 | 5 | 8 | 6 | 0 | 0 | |
| 147.7 | 53 | 3 | 20 | 5.6 | 1 | 1 | 20 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 20 | 6 | 3 | 0 | 0 | 0 | 0 | 0 | 5.1 | 5 | 6 | 10 | 4 | 1 | |