月ごとの値
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根室（根室地方) 1981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 | ||||||||||||||||||||||||||||
| 177.2 | 61 | 3 | 24 | 7.7 | 17 | 10 | 19 | 2 | 2 | 1 | 0 | 0 | 0 | 18 | 21 | 29 | 29 | 16 | 13 | 0 | 0 | 0 | 5.6 | 4 | 5 | 23 | 0 | 0 | |
| 173.4 | 59 | 4 | 22 | 10.6 | 30 | 8 | 16 | 4 | 3 | 0 | 0 | 0 | 0 | 26 | 25 | 28 | 28 | 28 | 19 | 11 | 0 | 0 | 6.4 | 1 | 9 | 19 | 0 | 0 | |
| 219.2 | 60 | 3 | 22 | 15.6 | 23 | 8 | 26 | 3 | 3 | 0 | 0 | 0 | 0 | 27 | 08 | 25 | 22 | 19 | 14 | 2 | 0 | 0 | 5.8 | 3 | 6 | 19 | 2 | 0 | |
| 188.3 | 47 | 5 | 19 | 16.7 | 1 | 1 | 03 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 03 | 4 | 1 | 0 | 0 | 0 | 0 | 0 | 6.4 | 3 | 8 | 8 | 10 | 0 | |
| 159.8 | 35 | 11 | 14 | 16.6 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.1 | 2 | 12 | 0 | 10 | 0 | |||
| 104.7 | 23 | 11 | 8 | 15.8 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.7 | 1 | 22 | 0 | 22 | 0 | |||
| 110.5 | 24 | 9 | 9 | 15.0 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9.1 | 0 | 23 | 0 | 26 | 1 | |||
| 160.4 | 37 | 10 | 14 | 15.2 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.7 | 0 | 16 | 0 | 22 | 0 | |||
| 210.6 ) | 58 ) | 3 ) | 21 ) | 15.4 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.7 | 4 | 8 | 0 | 12 | 0 | |||
| 217.4 | 64 | 3 | 23 | 11.5 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.7 | 7 | 7 | 0 | 0 | 0 | |||
| 195.8 | 67 | 2 | 25 | 8.2 | 1 | 1 | 27 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 28* | 5 | 2 | 0 | 0 | 0 | 0 | 0 | 4.5 | 9 | 3 | 8 | 0 | 0 | |
| 114.7 | 41 | 6 | 14 | 4.8 | 13 | 5 | 09 | 2 | 1 | 0 | 0 | 0 | 0 | 9 | 10 | 18 | 8 | 3 | 0 | 0 | 0 | 0 | 6.0 | 1 | 10 | 16 | 4 | 0 | |