日	気温℃ 平均	気温℃ 最高	気温℃ 最低	湿度％平均	湿度％最大	湿度％最小	最大風速 m/s	最大時風向	降水量 mm	平均地温 5cm	平均地温 15cm
2004年4月 FM草木（見晴し土場）
1	5.4	13.5	-0.5	54.6	102.9	14.1	2.90	NW	0.5	5.2	5.0
2	7.0	14.0	2.8	84.5	103.7	50.5	3.30	NW	18.5	6.5	5.6
3	5.4	10.0	1.9	57.0	101.1	37.0	2.80	NW	0.0	5.6	5.4
4	0.1	2.3	-1.9	103.1	103.7	101.3	0.30	NW	10.0	4.6	5.0
5	2.6	10.2	-2.1	86.4	103.7	44.2	1.30	N	10.5	3.8	4.0
6	7.3	13.0	0.9	72.9	97.0	54.8	0.60	ENE	0.0	4.5	4.2
7	10.3	16.6	5.9	74.2	90.5	49.2	0.80	WNW	0.0	6.4	5.3
8	4.8	9.0	0.5	61.8	100.2	32.4	3.00	WNW	1.0	7.2	6.3
9	7.1	14.6	0.6	65.1	92.0	30.8	1.80	WNW	0.0	6.7	6.1
10	11.1	19.8	5.6	42.9	86.8	18.5	3.60	WNW	0.0	7.1	6.4
11	10.7	18.5	6.7	77.0	96.0	49.6	0.80	WNW	0.0	8.1	7.0
12	14.3	21.2	9.1	44.7	80.9	31.0	3.30	N	0.0	8.9	7.7
13	4.7	11.4	2.1	92.5	103.9	44.3	0.90	N	1.5	7.9	7.7
14	6.7	10.1	2.3	100.7	104.1	88.7	0.50	NNW	1.5	7.5	7.0
15	9.3	15.9	5.2	66.5	99.0	33.9	1.50	E	0.0	7.9	7.2
16	11.1	18.6	6.0	61.1	78.3	32.5	1.20	W	0.0	8.9	7.8
17	12.7	18.0	8.7	43.4	60.8	33.0	3.80	NW	0.0	9.2	8.3
18	10.3	17.6	2.3	71.9	101.9	45.0	1.00	NE	0.0	9.2	8.3
19	11.2	15.7	9.2	83.5	103.5	46.9	1.50	SW	7.0	9.1	8.5
20	12.9	19.2	6.3	61.2	103.7	13.6	4.70	NW	4.0	10.7	9.2
21	13.3	21.5	6.3	29.8	63.5	17.7	2.60	NW	0.0	9.8	9.2
22	18.6	25.7	12.1	35.5	50.7	19.3	1.60	WNW	0.0	11.0	9.7
23	13.2	20.4	1.6	52.8	66.8	37.3	3.40	WNW	0.0	11.7	10.5
24	3.1	7.5	-0.2	52.7	75.8	31.0	2.80	WNW	0.0	9.6	9.6
25	4.8	13.2	-1.8	52.0	78.2	20.1	3.10	NW	0.0	8.2	8.4
26	9.2	16.9	4.9	54.9	94.3	28.4	2.00	E	0.0	8.9	8.4
27	10.4	14.0	6.7	103.7	104.1	97.2	2.60	E	25.5	9.4	8.8
28	7.7	12.1	3.2	75.7	104.1	50.1	3.80	WNW	0.5	10.2	9.4
29	10.9	19.3	3.3	44.9	82.2	19.0	0.80	N	0.0	9.6	9.1
30	15.6	22.2	9.9	40.3	55.7	27.2	0.80	ENE	0.0	10.8	9.6
月合計									80.5
月平均	9.1	15.4	3.9	64.9	89.6	40.0	2.10		2.7	8.1	7.5
月最大	18.6	25.7	12.1	103.7	104.1	101.3	4.70		25.5	11.7	10.5
月最小	0.1	2.3	-2.1	29.8	50.7	13.6	0.30		0.0	3.8	4.0