![]()
|
月 |
4 |
5 |
6 |
7 |
8 |
9 |
10 |
11 |
12 |
1 |
2 |
3 |
||||||||||||||||||||||||
|
旬 |
上 |
中 |
下 |
上 |
中 |
下 |
上 |
中 |
下 |
上 |
中 |
下 |
上 |
中 |
下 |
上 |
中 |
下 |
上 |
中 |
下 |
上 |
中 |
下 |
上 |
中 |
下 |
上 |
中 |
下 |
上 |
中 |
下 |
上 |
中 |
下 |
|
平均気温 |
4.5 |
6.6 |
8.8 |
10.5 |
12.2 |
13.5 |
15.1 |
16.3 |
17.6 |
18.9 |
20.3 |
22.0 |
22.6 |
22.1 |
22.1 |
20.5 |
17.7 |
15.7 |
13.5 |
11.3 |
9.3 |
6.9 |
4.4 |
2.5 |
0.6 |
-1.3 |
-2.2 |
-3.3 |
-3.9 |
-4.6 |
-4.3 |
-3.6 |
-2.6 |
-1.5 |
0.0 |
1.8 |
|
開花 |
● |
● |
● |
● |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
開花 |
● |
|
● |
● |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
開花 |
● |
● |
● |
● |
● |
● |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
ウグイス |
|
|
初鳴 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
ウメ |
|
|
|
開花 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
開花 |
● |
● |
葉桜 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
開花 |
● |
● |
● |
● |
● |
● |
● |
● |
● |
● |
● |
● |
● |
● |
● |
|
|
|
|
|
越冬 |
|
|
|
|
|
|
|
|
|
|
|
|
|
スイセン |
|
|
|
開花 |
● |
● |
● |
● |
● |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
モンシロチョウ |
|
|
|
初見 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
開花 |
● |
● |
● |
● |
● |
● |
● |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
ヤマツツジ |
|
|
|
|
|
開花 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
開花 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
開花 |
● |
● |
● |
● |
● |
● |
● |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
ナナカマド |
|
|
|
|
|
|
|
|
開花 |
● |
● |
● |
● |
● |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
メマツヨイグサ |
|
|
|
|
|
|
|
|
|
開花 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
開花 |
● |
● |
● |
● |
● |
● |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
イチョウ |
|
|
|
発芽 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
黄葉 |
落葉 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
アブラゼミ |
|
|
|
|
|
|
|
|
|
|
|
初鳴 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
エノコログサ |
|
|
|
|
|
|
|
|
|
|
|
|
|
開花 |
● |
● |
● |
● |
● |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
チカラシバ |
|
|
|
|
|
|
|
|
|
|
|
|
|
開花 |
● |
● |
● |
● |
● |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
開花 |
● |
● |
● |
● |
● |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
開花 |
● |
● |
● |
● |
● |
● |
● |
|
|
|
|
|
|
|
|
|
|
|
|
|
資料中の赤文字は、『札幌管区気象台』の生物季節(http)から引用
それ以外の部分は、下記の参考文献と自分の写真撮影日と観察から決めました。
参考文献: