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
1999年8月　FM草木（横川土場）
1	21.9	28.1	17.6	83.4	99.4	53.9	1.10	S	0.0	23.9	23.5
2	22.3	27.2	18.0	83.3	98.7	58.5	0.90	NNW	0.0	24.2	23.6
3	22.1	27.3	17.8	83.4	99.2	58.2	0.70	S	0.0	24.3	23.7
4	22.1	28.3	17.9	86.8	99.6	59.6	1.00	S	0.0	24.4	23.8
5	20.3	23.7	17.9	98.4	100.0	90.3	0.40	WNW	65.5	23.4	23.4
6	20.5	23.6	18.3	97.6	100.1	82.3	0.50	SSE	12.0	23.3	23.1
7	20.8	24.5	19.1	97.4	99.7	84.4	0.50	SE	8.0	23.7	23.3
8	21.1	26.4	18.0	92.7	99.9	67.3	1.20	ENE	0.0	24.3	23.7
9	21.0	27.2	17.1	88.2	99.9	58.5	1.10	SE	0.0	24.2	23.7
10	20.5	24.2	16.9	94.2	98.9	82.0	1.30	S	0.0	23.6	23.3
11	22.1	27.4	19.3	91.5	99.4	68.0	1.40	SSE	0.0	24.3	23.6
12	21.2	25.6	18.9	97.2	99.5	84.2	0.30	SSE	15.0	23.8	23.5
13	20.8	23.8	19.6	98.2	99.6	83.1	0.70	ESE	66.5	23.3	23.2
14	19.6	20.1	19.2	98.1	99.5	96.7	1.60	SSE	140.5	22.0	22.3
15	20.5	21.8	19.5	97.5	98.3	95.8	0.80	WNW	62.5	21.6	21.6
16	20.5	23.5	19.2	95.4	97.4	80.9	0.40	NE	11.0	22.6	22.3
17	21.7	27.1	19.0	92.2	97.5	63.7	0.70	NW	0.0	23.6	23.0
18	22.3	28.6	19.3	91.2	98.7	67.9	0.80	S	1.0	24.1	23.5
19	21.5	26.6	18.2	90.7	98.7	68.5	1.00	SSE	0.0	24.1	23.6
20	20.9	25.2	18.7	92.6	99.2	73.0	1.20	SE	13.0	24.1	23.7
21	20.4	25.2	18.1	94.2	99.1	69.6	0.60	N	30.0	23.5	23.4
22	20.3	24.8	17.4	95.8	99.0	80.6	0.10	N	0.0	23.3	23.1
23	21.6	28.1	16.8	89.1	99.3	59.2	0.60	N	3.0	23.9	23.3
24	20.4	24.9	18.4	96.9	99.4	83.7	0.30	NNW	26.0	23.7	23.6
25	19.8	25.0	17.2	91.7	99.2	65.9	0.80	NE	0.0	23.7	23.3
26	18.5	21.3	16.8	96.9	99.3	85.9	0.20	N	17.0	23.1	23.1
27	19.8	25.5	17.8	97.6	99.0	76.5	0.50	N	4.5	22.6	22.6
28	20.4	23.1	19.1	95.8	98.7	85.7	0.20	NW	0.0	23.0	22.8
29	21.1	27.5	17.7	87.8	99.3	45.0	0.40	NNW	0.0	23.5	23.0
30	19.4	22.1	17.9	95.6	99.3	82.1	0.20	WNW	0.0	23.0	22.9
31	21.2	27.3	18.1	92.2	99.2	67.7	0.70	N	1.0	23.6	23.0
月合計									476.5
月平均	20.9	25.3	18.2	93.0	99.2	73.5	0.72		15.4	23.5	23.2
月最大	22.3	28.6	19.6	98.4	100.1	96.7	1.60		140.5	24.4	23.8
月最小	18.5	20.1	16.8	83.3	97.4	45.0	0.10		0.0	21.6	21.6