月ごとの値
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根室（根室地方) 1990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 | ||||||||||||||||||||||||||||
| 189.4 | 66 | 0 | 25 | 8.0 | 40 | 14 | 04 | 5 | 2 | 2 | 0 | 0 | 0 | 16 | 04 | 31 | 31 | 31 | 25 | 0 | 0 | 0 | 4.7 | 5 | 4 | 20 | 2 | 0 | |
| 153.9 | 53 | 5 | 19 | 9.7 | 10 | 4 | 25 | 1 | 0 | 0 | 0 | 0 | 0 | 13 | 02* | 23 | 21 | 13 | 7 | 0 | 0 | 0 | 6.0 | 3 | 9 | 20 | 7 | 0 | |
| 246.1 | 67 | 5 | 24 | 15.6 | 34 | 20 | 24 | 3 | 2 | 1 | 1 | 0 | 0 | 15 | 24 | 13 | 11 | 6 | 2 | 0 | 0 | 0 | 5.2 | 6 | 8 | 14 | 3 | 0 | |
| 151.3 | 38 | 9 | 14 | 14.5 | 7 | 6 | 05 | 1 | 1 | 0 | 0 | 0 | 0 | 6 | 05 | 4 | 3 | 1 | 0 | 0 | 0 | 0 | 7.2 | 1 | 16 | 6 | 8 | 2 | |
| 177.9 | 39 | 5 | 15 | 18.3 | 0 | 0 | 15 | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.8 | 1 | 15 | 1 | 15 | 0 | ||
| 167.2 | 36 | 3 | 14 | 19.4 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.9 | 0 | 17 | 0 | 19 | 2 | |||
| 128.6 | 28 | 6 | 10 | 17.6 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.3 | 2 | 19 | 0 | 25 | 0 | |||
| 110.9 | 26 | 11 | 9 | 13.5 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.4 | 0 | 20 | 0 | 26 | 0 | |||
| 101.5 | 27 | 9 | 9 | 11.0 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.3 | 1 | 17 | 0 | 11 | 1 | |||
| 186.2 | 55 | 4 | 21 | 10.6 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.7 | 3 | 7 | 0 | 11 | 0 | |||
| 154.5 | 53 | 2 | 21 | 7.1 | 0 | 0 | 18* | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.4 | 5 | 3 | 3 | 5 | 1 | ||
| 146.6 | 53 | 3 | 19 | 5.7 | 2 | 2 | 28 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 30* | 7 | 4 | 0 | 0 | 0 | 0 | 0 | 5.3 | 4 | 5 | 10 | 2 | 0 | |