Station Number 42201
Prefecture Gunma [ Local Portal ]
Location 群馬県前橋市富士見町赤城山 (MAEBASHI SHI, GUMMA KEN)
Months of Observations 234
Number of Observations 170,899
Period of Observations
Period Name Lat. Long. Height Anemometer
1974/11/01 -- 1998/03/30 AKAGIYAMA 36.538N 139.178E 1660m 0.0m
1998/03/31 -- 2009/11/02 AKAGIYAMA 36.540N 139.175E 1660m 0.0m
Real-time Data AMeRAS (AMeDAS Ranking Service)
Past Heavy Rain Data AMeDAS heavy rain
Weather Disaster Reports
Typhoon History
Neighbor Stations
Number Name Distance Azimuth
42261 KUROHONE (Gunma) 10.55km 113deg.
42146 NUMATA (Gunma) 16.22km 320deg.
42251 MAEBASHI (Gunma) 18.18km 214deg.
42915 MAEBASHI (Gunma) 18.18km 214deg.
42266 KIRYU (Gunma) 19.72km 136deg.
42301 ISESAKI (Gunma) 22.00km 176deg.
42302 ISESAKI (Gunma) 23.10km 182deg.
42102 TAKATEYAMA (Gunma) 24.30km 343deg.
42101 MAEHOTAKA (Gunma) 25.32km 357deg.
42106 KATASHINA (Gunma) 26.35km 12deg.
41211 ASHIO (Tochigi) 27.16km 63deg.
42241 HARUNASAN (Gunma) 28.09km 254deg.
42186 NAKANOJO (Gunma) 29.56km 280deg.

Statistics for the Whole Period

Precipitation

0.0mm - 0.4mm 0.0mm - 0.4mm = 128,867
[128,867 (75.41% / 89.44%)] [128,867 / 144,079 (89.44%)]
0.5mm - 1.4mm 0.5mm - 1.4mm = 7,268
[7,268 (4.25% / 5.04%)] [136,135 / 15,212 (94.49%)]
1.5mm - 2.4mm 1.5mm - 2.4mm = 2,831
[2,831 (1.66% / 1.96%)] [138,966 / 7,944 (96.45%)]
2.5mm - 3.4mm 2.5mm - 3.4mm = 1,615
[1,615 (0.95% / 1.12%)] [140,581 / 5,113 (97.57%)]
3.5mm - 4.4mm 3.5mm - 4.4mm = 937
[937 (0.55% / 0.65%)] [141,518 / 3,498 (98.22%)]
4.5mm - 5.4mm 4.5mm - 5.4mm = 642
[642 (0.38% / 0.45%)] [142,160 / 2,561 (98.67%)]
5.5mm - 6.4mm 5.5mm - 6.4mm = 425
[425 (0.25% / 0.29%)] [142,585 / 1,919 (98.96%)]
6.5mm - 7.4mm 6.5mm - 7.4mm = 280
[280 (0.16% / 0.19%)] [142,865 / 1,494 (99.16%)]
7.5mm - 8.4mm 7.5mm - 8.4mm = 223
[223 (0.13% / 0.15%)] [143,088 / 1,214 (99.31%)]
8.5mm - 9.4mm 8.5mm - 9.4mm = 155
[155 (0.09% / 0.11%)] [143,243 / 991 (99.42%)]
9.5mm - 10.4mm 9.5mm - 10.4mm = 137
[137 (0.08% / 0.10%)] [143,380 / 836 (99.51%)]
10.5mm - 11.4mm 10.5mm - 11.4mm = 84
[84 (0.05% / 0.06%)] [143,464 / 699 (99.57%)]
11.5mm - 12.4mm 11.5mm - 12.4mm = 86
[86 (0.05% / 0.06%)] [143,550 / 615 (99.63%)]
12.5mm - 13.4mm 12.5mm - 13.4mm = 64
[64 (0.04% / 0.04%)] [143,614 / 529 (99.68%)]
13.5mm - 14.4mm 13.5mm - 14.4mm = 52
[52 (0.03% / 0.04%)] [143,666 / 465 (99.71%)]
14.5mm - 15.4mm 14.5mm - 15.4mm = 47
[47 (0.03% / 0.03%)] [143,713 / 413 (99.75%)]
15.5mm - 16.4mm 15.5mm - 16.4mm = 37
[37 (0.02% / 0.03%)] [143,750 / 366 (99.77%)]
16.5mm - 17.4mm 16.5mm - 17.4mm = 42
[42 (0.02% / 0.03%)] [143,792 / 329 (99.80%)]
17.5mm - 18.4mm 17.5mm - 18.4mm = 25
[25 (0.01% / 0.02%)] [143,817 / 287 (99.82%)]
18.5mm - 19.4mm 18.5mm - 19.4mm = 25
[25 (0.01% / 0.02%)] [143,842 / 262 (99.84%)]
19.5mm - 20.4mm 19.5mm - 20.4mm = 31
[31 (0.02% / 0.02%)] [143,873 / 237 (99.86%)]
20.5mm - 21.4mm 20.5mm - 21.4mm = 20
[20 (0.01% / 0.01%)] [143,893 / 206 (99.87%)]
21.5mm - 22.4mm 21.5mm - 22.4mm = 23
[23 (0.01% / 0.02%)] [143,916 / 186 (99.89%)]
22.5mm - 23.4mm 22.5mm - 23.4mm = 19
[19 (0.01% / 0.01%)] [143,935 / 163 (99.90%)]
23.5mm - 24.4mm 23.5mm - 24.4mm = 14
[14 (0.01% / 0.01%)] [143,949 / 144 (99.91%)]
24.5mm - 25.4mm 24.5mm - 25.4mm = 11
[11 (0.01% / 0.01%)] [143,960 / 130 (99.92%)]
25.5mm - 26.4mm 25.5mm - 26.4mm = 15
[15 (0.01% / 0.01%)] [143,975 / 119 (99.93%)]
26.5mm - 27.4mm 26.5mm - 27.4mm = 9
[9 (0.01% / 0.01%)] [143,984 / 104 (99.93%)]
27.5mm - 28.4mm 27.5mm - 28.4mm = 13
[13 (0.01% / 0.01%)] [143,997 / 95 (99.94%)]
28.5mm - 29.4mm 28.5mm - 29.4mm = 9
[9 (0.01% / 0.01%)] [144,006 / 82 (99.95%)]
29.5mm - 30.4mm 29.5mm - 30.4mm = 4
[4 (0.00% / 0.00%)] [144,010 / 73 (99.95%)]
30.5mm - 31.4mm 30.5mm - 31.4mm = 6
[6 (0.00% / 0.00%)] [144,016 / 69 (99.96%)]
31.5mm - 32.4mm 31.5mm - 32.4mm = 7
[7 (0.00% / 0.00%)] [144,023 / 63 (99.96%)]
32.5mm - 33.4mm 32.5mm - 33.4mm = 10
[10 (0.01% / 0.01%)] [144,033 / 56 (99.97%)]
33.5mm - 34.4mm 33.5mm - 34.4mm = 7
[7 (0.00% / 0.00%)] [144,040 / 46 (99.97%)]
34.5mm - 35.4mm 34.5mm - 35.4mm = 4
[4 (0.00% / 0.00%)] [144,044 / 39 (99.98%)]
35.5mm - 36.4mm 35.5mm - 36.4mm = 5
[5 (0.00% / 0.00%)] [144,049 / 35 (99.98%)]
36.5mm - 37.4mm 36.5mm - 37.4mm = 1
[1 (0.00% / 0.00%)] [144,050 / 30 (99.98%)]
37.5mm - 38.4mm 37.5mm - 38.4mm = 2
[2 (0.00% / 0.00%)] [144,052 / 29 (99.98%)]
38.5mm - 39.4mm 38.5mm - 39.4mm = 2
[2 (0.00% / 0.00%)] [144,054 / 27 (99.98%)]
39.5mm - 40.4mm 39.5mm - 40.4mm = 1
[1 (0.00% / 0.00%)] [144,055 / 25 (99.98%)]
40.5mm - 41.4mm 40.5mm - 41.4mm = 2
[2 (0.00% / 0.00%)] [144,057 / 24 (99.98%)]
41.5mm - 42.4mm 41.5mm - 42.4mm = 3
[3 (0.00% / 0.00%)] [144,060 / 22 (99.99%)]
42.5mm - 43.4mm 42.5mm - 43.4mm = 3
[3 (0.00% / 0.00%)] [144,063 / 19 (99.99%)]
43.5mm - 44.4mm 43.5mm - 44.4mm = 1
[1 (0.00% / 0.00%)] [144,064 / 16 (99.99%)]
45.5mm - 46.4mm 45.5mm - 46.4mm = 2
[2 (0.00% / 0.00%)] [144,066 / 15 (99.99%)]
46.5mm - 47.4mm 46.5mm - 47.4mm = 2
[2 (0.00% / 0.00%)] [144,068 / 13 (99.99%)]
47.5mm - 48.4mm 47.5mm - 48.4mm = 1
[1 (0.00% / 0.00%)] [144,069 / 11 (99.99%)]
48.5mm - 49.4mm 48.5mm - 49.4mm = 1
[1 (0.00% / 0.00%)] [144,070 / 10 (99.99%)]
50.5mm - 51.4mm 50.5mm - 51.4mm = 1
[1 (0.00% / 0.00%)] [144,071 / 9 (99.99%)]
51.5mm - 52.4mm 51.5mm - 52.4mm = 2
[2 (0.00% / 0.00%)] [144,073 / 8 (100.00%)]
52.5mm - 53.4mm 52.5mm - 53.4mm = 1
[1 (0.00% / 0.00%)] [144,074 / 6 (100.00%)]
54.5mm - 55.4mm 54.5mm - 55.4mm = 1
[1 (0.00% / 0.00%)] [144,075 / 5 (100.00%)]
55.5mm - 56.4mm 55.5mm - 56.4mm = 1
[1 (0.00% / 0.00%)] [144,076 / 4 (100.00%)]
60.5mm - 61.4mm 60.5mm - 61.4mm = 1
[1 (0.00% / 0.00%)] [144,077 / 3 (100.00%)]
86.5mm - 87.4mm 86.5mm - 87.4mm = 1
[1 (0.00% / 0.00%)] [144,078 / 2 (100.00%)]
89.5mm - 90.4mm 89.5mm - 90.4mm = 1
[1 (0.00% / 0.00%)] [144,079 / 1 (100.00%)]

Missing observations (26,820 / 15.69%)