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秩父
1	22.6	30.9	16.7	73.5	99.7	38.7	1.10	NW	0.0	28.0	26.9
2	23.1	29.9	17.1	69.6	96.5	36.2	1.30	NNW	0.0	28.4	27.3
3	22.4	29.6	17.4	81.0	98.7	51.9	0.70	NNW	0.0	28.4	27.4
4	22.0	28.6	18.0	87.7	100.0	61.2	0.80	N	0.0	27.5	26.9
5	21.7	26.5	18.5	91.1	101.9	71.0	0.50	SSE	0.0	26.4	26.1
6	21.0	25.6	18.9	98.7	102.7	81.6	0.20	WSW	3.0	25.7	25.4
7	21.1	26.9	18.4	96.6	102.8	77.1	0.20	NNE	0.5	25.2	25.0
8	20.8	28.1	17.7	95.9	102.2	64.7	0.30	SW	0.5	24.4	24.3
9	21.4	27.5	17.7	90.1	102.8	61.5	0.80	NNW	0.5	24.6	24.1
10	19.9	21.7	18.1	101.3	102.7	94.6	0.10	N	5.5	23.8	23.9
11	21.7	28.4	17.9	95.7	102.9	70.5	0.50	W	6.5	23.9	23.5
12	21.7	27.1	19.5	99.1	103.0	72.5	0.00	N	20.0	24.3	24.1
13	20.9	23.3	19.7	101.8	103.0	96.9	0.00	NNW	44.0	23.4	23.5
14	19.2	19.9	17.8	102.8	103.1	102.7	0.20	ENE	427.0	20.5	20.8
15	19.9	24.6	18.0	101.8	103.1	93.1	0.20	N	0.5	20.8	20.6
16	20.4	23.9	18.0	99.8	102.4	85.3	0.30	NNW	0.5	21.7	21.6
17	22.1	28.3	17.6	94.8	102.4	67.8	1.00	NW	0.0	23.8	22.9
18	22.6	28.4	20.2	98.3	102.5	77.8	0.30	SW	0.5	25.0	24.5
19	21.9	26.6	19.2	95.9	102.8	80.5	0.70	NNW	0.0	24.9	24.5
20	20.6	24.1	18.3	99.0	102.1	85.4	0.10	WSW	0.5	23.9	23.9
21	20.9	26.1	18.3	97.4	102.7	75.7	0.40	WSW	1.0	23.5	23.4
22	20.8	26.9	17.6	98.7	102.9	72.6	0.30	N	2.0	23.3	23.2
23	21.9	28.0	18.4	97.8	102.9	79.0	0.80	N	0.0	24.3	23.8
24	21.6	26.3	19.1	98.5	102.6	81.7	0.60	W	4.5	24.8	24.5
25	20.1	23.9	18.3	96.9	102.8	76.1	0.50	WNW	0.5	24.1	24.0
26	19.7	23.1	17.3	97.3	102.3	80.6	0.20	W	0.0	23.4	23.5
27	20.9	27.3	17.4	96.1	101.9	72.5	0.60	WSW	0.0	24.3	23.7
28	21.3	24.1	19.5	99.3	102.4	85.9	0.40	N	0.0	24.5	24.4
29	21.7	27.2	18.3	92.5	102.5	61.9	0.50	NNE	0.0	24.6	24.2
30	20.1	22.6	18.0	98.1	102.0	89.1	0.50	N	0.0	23.9	23.9
31	22.0	27.9	18.2	93.3	102.4	69.0	1.00	N	0.0	24.7	24.1
月合計									517.5
月平均	21.2	26.2	18.2	94.9	102.1	74.7	0.49		16.7	24.5	24.2
月最大	23.1	30.9	20.2	102.8	103.1	102.7	1.30		427.0	28.4	27.4
月最小	19.2	19.9	16.7	69.6	96.5	36.2	0.00		0.0	20.5	20.6