３か月ごとの値
 |  |
 |  |
 |  |  |  |  |
 |  |  |  |  |  |
 |  |  |  |  |
苫小牧（胆振地方) 1966年（３か月ごとの値） 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 | ||||||||||||||||||||||||||||
11～1 | 388.4 | 45 | 7 | 57 | 107 | 11 | 01/20* | 13 | 9 | 2 | 0 | 0 | 0 | 15 | 01/20 | 55 | 49 | 24 | 14 | 0 | 0 | 0 | 6.0 | 9 | 30 | 55 | 0 | 1 | |
12～2 | 394.9 | 46 | 11 | 57 | 128 | 11 | 02/19* | 17 | 11 | 3 | 0 | 0 | 0 | 15 | 01/20 | 65 | 61 | 38 | 18 | 0 | 0 | 0 | 5.8 | 9 | 24 | 62 | 1 | 1 | |
1～3 | 424.4 | 45 | 9 | 54 | 148 | 11 | 02/19* | 20 | 13 | 4 | 0 | 0 | 0 | 15 | 01/20 | 68 | 66 | 43 | 20 | 0 | 0 | 0 | 6.5 | 7 | 31 | 64 | 3 | 0 | |
2～4 | 445.1 | 42 | 16 | 50 | 73 | 11 | 02/19 | 11 | 6 | 2 | 0 | 0 | 0 | 14 | 02/01 | 38 | 37 | 21 | 6 | 0 | 0 | 0 | 6.7 | 4 | 33 | 44 | 7 | 0 | |
3～5 | 549.7 | 45 | 14 | 54 | 37 | 10 | 03/19 | 5 | 3 | 1 | 0 | 0 | 0 | 10 | 03/19* | 17 | 16 | 7 | 2 | 0 | 0 | 0 | 6.8 | 9 | 37 | 24 | 8 | 0 | |
4～6 | 538.1 | 41 | 19 | 49 | 1 | 1 | 04/01 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 04/01 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 7.0 | 9 | 40 | 5 | 11 | 0 | |
5～7 | 510.0 | 37 | 23 | 43 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.4 | 8 | 49 | 0 | 16 | 0 | |||
6～8 | 365.3 | 27 | 34 | 30 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.2 | 3 | 59 | 0 | 26 | 3 | |||
7～9 | 403.3 | 32 | 30 | 38 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.0 | 3 | 57 | 0 | 23 | 3 | |||
8～10 | 434.0 | 38 | 24 | 47 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.4 | 6 | 46 | 0 | 14 | 5 | |||
9～11 | 488.0 | 48 | 11 | 59 | 13 | 8 | 11/22 | 2 | 2 | 0 | 0 | 0 | 0 | 12 | 11/22 | 4 | 4 | 2 | 1 | 0 | 0 | 0 | 6.5 | 7 | 32 | 8 | 2 | 2 | |
10～12 | 470.0 | 51 | 7 | 65 | 20 | 8 | 11/22 | 3 | 2 | 0 | 0 | 0 | 0 | 12 | 11/22 | 23 | 14 | 2 | 1 | 0 | 0 | 0 | 5.7 | 10 | 21 | 30 | 0 | 2 | |