月ごとの値
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根室（根室地方) 1966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 | ||||||||||||||||||||||||||||
| 178.5 | 62 | 1 | 27 | 9.5 | 29 | 7 | 11 | 4 | 3 | 0 | 0 | 0 | 0 | 13 | 18 | 29 | 25 | 21 | 4 | 0 | 0 | 0 | 4.9 | 5 | 5 | 22 | 0 | 0 | |
| 161.1 | 55 | 4 | 21 | 12.1 | 20 | 7 | 23 | 3 | 1 | 0 | 0 | 0 | 0 | 14 | 23 | 28 | 28 | 13 | 5 | 0 | 0 | 0 | 5.5 | 3 | 5 | 20 | 3 | 0 | |
| 171.3 | 47 | 6 | 19 | 15.7 | 63 | 15 | 29* | 9 | 4 | 3 | 0 | 0 | 0 | 19 | 23 | 22 | 19 | 15 | 8 | 0 | 0 | 0 | 6.8 | 3 | 13 | 18 | 5 | 0 | |
| 168.5 | 42 | 6 | 17 | 18.2 | 12 | 7 | 17 | 2 | 2 | 0 | 0 | 0 | 0 | 8 | 01 | 8 | 5 | 2 | 0 | 0 | 0 | 0 | 7.5 | 1 | 12 | 9 | 8 | 0 | |
| 200.3 | 44 | 7 | 18 | 20.3 ) | 0 | 0 | 04 | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.1 | 2 | 14 | 1 | 9 | 0 | ||
| 133.3 | 29 | 8 | 11 | 19.9 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.4 | 1 | 20 | 0 | 25 | 0 | |||
| 130.9 | 28 | 12 | 12 | 18.0 ) | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.6 | 1 | 22 | 0 | 26 | 0 | |||
| 105.8 | 25 | 12 | 9 | 15.7 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9.0 | 0 | 24 | 0 | 29 | 1 | |||
| 179.9 | 48 | 3 | 16 | 15.7 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.1 | 2 | 15 | 0 | 11 | 0 | |||
| 166.7 | 49 | 7 | 19 | 11.8 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.5 | 2 | 10 | 0 | 7 | 0 | |||
| 161.8 | 56 | 3 | 22 | 9.0 | 4 | 4 | 21 | 1 | 0 | 0 | 0 | 0 | 0 | 4 | 21 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 5.1 | 4 | 4 | 5 | 3 | 0 | |
| 168.1 | 60 | 1 | 24 | 8.1 | 2 | 1 | 09* | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 10* | 11 | 4 | 0 | 0 | 0 | 0 | 0 | 4.4 | 8 | 4 | 11 | 1 | 0 | |