Station Number 42186
Prefecture Gunma [ Local Portal ]
Location 群馬県吾妻郡中之条町伊勢町 (AGATSUMA GUN NAKANOJO MACHI, GUMMA KEN)
Months of Observations 475
Number of Observations 346,424
Period of Observations
Period Name Lat. Long. Height Anemometer
1975/05/20 -- 1977/12/20 NAKANOJO 36.587N 138.850E 350m 0.0m
1977/12/21 -- 1986/04/10 NAKANOJO 36.587N 138.850E 350m 6.5m
1986/04/11 -- 1998/03/30 NAKANOJO 36.587N 138.850E 350m 6.5m
1998/03/31 -- 2008/03/17 NAKANOJO 36.587N 138.850E 354m 6.5m
2008/03/18 -- 2015/08/99 NAKANOJO 36.587N 138.850E 354m 10.0m
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
42136 AMAMIYAMA (Gunma) 11.16km 5deg.
42241 HARUNASAN (Gunma) 12.93km 170deg.
42146 NUMATA (Gunma) 20.16km 68deg.
42126 NOZORIKO (Gunma) 21.23km 302deg.
42121 KUSATSU (Gunma) 23.32km 278deg.
42910 KUSATSU (Gunma) 23.50km 278deg.
42286 KAMISATOMI (Gunma) 23.65km 170deg.
42905 MINAKAMI (Gunma) 26.63km 28deg.
42091 MINAKAMI (Gunma) 26.83km 28deg.
42251 MAEBASHI (Gunma) 27.60km 136deg.
42915 MAEBASHI (Gunma) 27.60km 136deg.
42102 TAKATEYAMA (Gunma) 28.61km 50deg.
42276 ICHINOJIYAMA (Gunma) 29.42km 215deg.
42201 AKAGIYAMA (Gunma) 29.56km 100deg.

Statistics for the Whole Period

Precipitation

0.0mm - 0.4mm 0.0mm - 0.4mm = 322,598
[322,598 (93.12% / 93.37%)] [322,598 / 345,502 (93.37%)]
0.5mm - 1.4mm 0.5mm - 1.4mm = 12,847
[12,847 (3.71% / 3.72%)] [335,445 / 22,904 (97.09%)]
1.5mm - 2.4mm 1.5mm - 2.4mm = 4,587
[4,587 (1.32% / 1.33%)] [340,032 / 10,057 (98.42%)]
2.5mm - 3.4mm 2.5mm - 3.4mm = 2,182
[2,182 (0.63% / 0.63%)] [342,214 / 5,470 (99.05%)]
3.5mm - 4.4mm 3.5mm - 4.4mm = 1,115
[1,115 (0.32% / 0.32%)] [343,329 / 3,288 (99.37%)]
4.5mm - 5.4mm 4.5mm - 5.4mm = 616
[616 (0.18% / 0.18%)] [343,945 / 2,173 (99.55%)]
5.5mm - 6.4mm 5.5mm - 6.4mm = 423
[423 (0.12% / 0.12%)] [344,368 / 1,557 (99.67%)]
6.5mm - 7.4mm 6.5mm - 7.4mm = 276
[276 (0.08% / 0.08%)] [344,644 / 1,134 (99.75%)]
7.5mm - 8.4mm 7.5mm - 8.4mm = 190
[190 (0.05% / 0.05%)] [344,834 / 858 (99.81%)]
8.5mm - 9.4mm 8.5mm - 9.4mm = 141
[141 (0.04% / 0.04%)] [344,975 / 668 (99.85%)]
9.5mm - 10.4mm 9.5mm - 10.4mm = 102
[102 (0.03% / 0.03%)] [345,077 / 527 (99.88%)]
10.5mm - 11.4mm 10.5mm - 11.4mm = 66
[66 (0.02% / 0.02%)] [345,143 / 425 (99.90%)]
11.5mm - 12.4mm 11.5mm - 12.4mm = 55
[55 (0.02% / 0.02%)] [345,198 / 359 (99.91%)]
12.5mm - 13.4mm 12.5mm - 13.4mm = 46
[46 (0.01% / 0.01%)] [345,244 / 304 (99.93%)]
13.5mm - 14.4mm 13.5mm - 14.4mm = 42
[42 (0.01% / 0.01%)] [345,286 / 258 (99.94%)]
14.5mm - 15.4mm 14.5mm - 15.4mm = 23
[23 (0.01% / 0.01%)] [345,309 / 216 (99.94%)]
15.5mm - 16.4mm 15.5mm - 16.4mm = 29
[29 (0.01% / 0.01%)] [345,338 / 193 (99.95%)]
16.5mm - 17.4mm 16.5mm - 17.4mm = 20
[20 (0.01% / 0.01%)] [345,358 / 164 (99.96%)]
17.5mm - 18.4mm 17.5mm - 18.4mm = 19
[19 (0.01% / 0.01%)] [345,377 / 144 (99.96%)]
18.5mm - 19.4mm 18.5mm - 19.4mm = 16
[16 (0.00% / 0.00%)] [345,393 / 125 (99.97%)]
19.5mm - 20.4mm 19.5mm - 20.4mm = 15
[15 (0.00% / 0.00%)] [345,408 / 109 (99.97%)]
20.5mm - 21.4mm 20.5mm - 21.4mm = 11
[11 (0.00% / 0.00%)] [345,419 / 94 (99.98%)]
21.5mm - 22.4mm 21.5mm - 22.4mm = 6
[6 (0.00% / 0.00%)] [345,425 / 83 (99.98%)]
22.5mm - 23.4mm 22.5mm - 23.4mm = 8
[8 (0.00% / 0.00%)] [345,433 / 77 (99.98%)]
23.5mm - 24.4mm 23.5mm - 24.4mm = 5
[5 (0.00% / 0.00%)] [345,438 / 69 (99.98%)]
24.5mm - 25.4mm 24.5mm - 25.4mm = 8
[8 (0.00% / 0.00%)] [345,446 / 64 (99.98%)]
25.5mm - 26.4mm 25.5mm - 26.4mm = 5
[5 (0.00% / 0.00%)] [345,451 / 56 (99.99%)]
26.5mm - 27.4mm 26.5mm - 27.4mm = 3
[3 (0.00% / 0.00%)] [345,454 / 51 (99.99%)]
27.5mm - 28.4mm 27.5mm - 28.4mm = 6
[6 (0.00% / 0.00%)] [345,460 / 48 (99.99%)]
28.5mm - 29.4mm 28.5mm - 29.4mm = 4
[4 (0.00% / 0.00%)] [345,464 / 42 (99.99%)]
29.5mm - 30.4mm 29.5mm - 30.4mm = 5
[5 (0.00% / 0.00%)] [345,469 / 38 (99.99%)]
30.5mm - 31.4mm 30.5mm - 31.4mm = 2
[2 (0.00% / 0.00%)] [345,471 / 33 (99.99%)]
31.5mm - 32.4mm 31.5mm - 32.4mm = 1
[1 (0.00% / 0.00%)] [345,472 / 31 (99.99%)]
32.5mm - 33.4mm 32.5mm - 33.4mm = 1
[1 (0.00% / 0.00%)] [345,473 / 30 (99.99%)]
33.5mm - 34.4mm 33.5mm - 34.4mm = 3
[3 (0.00% / 0.00%)] [345,476 / 29 (99.99%)]
34.5mm - 35.4mm 34.5mm - 35.4mm = 1
[1 (0.00% / 0.00%)] [345,477 / 26 (99.99%)]
35.5mm - 36.4mm 35.5mm - 36.4mm = 2
[2 (0.00% / 0.00%)] [345,479 / 25 (99.99%)]
37.5mm - 38.4mm 37.5mm - 38.4mm = 7
[7 (0.00% / 0.00%)] [345,486 / 23 (100.00%)]
40.5mm - 41.4mm 40.5mm - 41.4mm = 1
[1 (0.00% / 0.00%)] [345,487 / 16 (100.00%)]
42.5mm - 43.4mm 42.5mm - 43.4mm = 1
[1 (0.00% / 0.00%)] [345,488 / 15 (100.00%)]
44.5mm - 45.4mm 44.5mm - 45.4mm = 2
[2 (0.00% / 0.00%)] [345,490 / 14 (100.00%)]
46.5mm - 47.4mm 46.5mm - 47.4mm = 1
[1 (0.00% / 0.00%)] [345,491 / 12 (100.00%)]
47.5mm - 48.4mm 47.5mm - 48.4mm = 1
[1 (0.00% / 0.00%)] [345,492 / 11 (100.00%)]
48.5mm - 49.4mm 48.5mm - 49.4mm = 1
[1 (0.00% / 0.00%)] [345,493 / 10 (100.00%)]
49.5mm - 50.4mm 49.5mm - 50.4mm = 1
[1 (0.00% / 0.00%)] [345,494 / 9 (100.00%)]
52.5mm - 53.4mm 52.5mm - 53.4mm = 2
[2 (0.00% / 0.00%)] [345,496 / 8 (100.00%)]
53.5mm - 54.4mm 53.5mm - 54.4mm = 1
[1 (0.00% / 0.00%)] [345,497 / 6 (100.00%)]
54.5mm - 55.4mm 54.5mm - 55.4mm = 1
[1 (0.00% / 0.00%)] [345,498 / 5 (100.00%)]
56.5mm - 57.4mm 56.5mm - 57.4mm = 1
[1 (0.00% / 0.00%)] [345,499 / 4 (100.00%)]
58.5mm - 59.4mm 58.5mm - 59.4mm = 1
[1 (0.00% / 0.00%)] [345,500 / 3 (100.00%)]
68.5mm - 69.4mm 68.5mm - 69.4mm = 1
[1 (0.00% / 0.00%)] [345,501 / 2 (100.00%)]
70.5mm - 71.4mm 70.5mm - 71.4mm = 1
[1 (0.00% / 0.00%)] [345,502 / 1 (100.00%)]

Missing observations (922 / 0.27%)

Wind Direction

Calm Calm = 89,967
[89,967 (25.97% / 27.26%)] [0 / 0 (NA)]
NNE NNE = 27,251
[27,251 (7.87% / 8.26%)] [0 / 0 (NA)]
NE NE = 13,097
[13,097 (3.78% / 3.97%)] [0 / 0 (NA)]
ENE ENE = 3,787
[3,787 (1.09% / 1.15%)] [0 / 0 (NA)]
E E = 2,080
[2,080 (0.60% / 0.63%)] [0 / 0 (NA)]
ESE ESE = 3,766
[3,766 (1.09% / 1.14%)] [0 / 0 (NA)]
SE SE = 31,888
[31,888 (9.20% / 9.66%)] [0 / 0 (NA)]
SSE SSE = 24,721
[24,721 (7.14% / 7.49%)] [0 / 0 (NA)]
S S = 11,013
[11,013 (3.18% / 3.34%)] [0 / 0 (NA)]
SSW SSW = 9,814
[9,814 (2.83% / 2.97%)] [0 / 0 (NA)]
SW SW = 6,732
[6,732 (1.94% / 2.04%)] [0 / 0 (NA)]
WSW WSW = 4,963
[4,963 (1.43% / 1.50%)] [0 / 0 (NA)]
W W = 7,541
[7,541 (2.18% / 2.29%)] [0 / 0 (NA)]
WNW WNW = 15,789
[15,789 (4.56% / 4.78%)] [0 / 0 (NA)]
NW NW = 29,036
[29,036 (8.38% / 8.80%)] [0 / 0 (NA)]
NNW NNW = 30,114
[30,114 (8.69% / 9.13%)] [0 / 0 (NA)]
N N = 18,455
[18,455 (5.33% / 5.59%)] [0 / 0 (NA)]

Missing observations (16,410 / 4.74%)

Wind Speed

0.0m/s - 0.4m/s 0.0m/s - 0.4m/s = 94,539
[94,539 (27.29% / 28.65%)] [94,539 / 330,029 (28.65%)]
0.5m/s - 1.4m/s 0.5m/s - 1.4m/s = 140,740
[140,740 (40.63% / 42.64%)] [235,279 / 235,490 (71.29%)]
1.5m/s - 2.4m/s 1.5m/s - 2.4m/s = 47,880
[47,880 (13.82% / 14.51%)] [283,159 / 94,750 (85.80%)]
2.5m/s - 3.4m/s 2.5m/s - 3.4m/s = 25,688
[25,688 (7.42% / 7.78%)] [308,847 / 46,870 (93.58%)]
3.5m/s - 4.4m/s 3.5m/s - 4.4m/s = 13,406
[13,406 (3.87% / 4.06%)] [322,253 / 21,182 (97.64%)]
4.5m/s - 5.4m/s 4.5m/s - 5.4m/s = 5,342
[5,342 (1.54% / 1.62%)] [327,595 / 7,776 (99.26%)]
5.5m/s - 6.4m/s 5.5m/s - 6.4m/s = 1,867
[1,867 (0.54% / 0.57%)] [329,462 / 2,434 (99.83%)]
6.5m/s - 7.4m/s 6.5m/s - 7.4m/s = 462
[462 (0.13% / 0.14%)] [329,924 / 567 (99.97%)]
7.5m/s - 8.4m/s 7.5m/s - 8.4m/s = 89
[89 (0.03% / 0.03%)] [330,013 / 105 (100.00%)]
8.5m/s - 9.4m/s 8.5m/s - 9.4m/s = 16
[16 (0.00% / 0.00%)] [330,029 / 16 (100.00%)]

Missing observations (16,395 / 4.73%)

Temperature

-12.5C - -11.6C -12.5C - -11.6C = 1
[1 (0.00% / 0.00%)] [1 / 330,046 (0.00%)]
-11.5C - -10.6C -11.5C - -10.6C = 14
[14 (0.00% / 0.00%)] [15 / 330,045 (0.00%)]
-10.5C - -9.6C -10.5C - -9.6C = 69
[69 (0.02% / 0.02%)] [84 / 330,031 (0.03%)]
-9.5C - -8.6C -9.5C - -8.6C = 175
[175 (0.05% / 0.05%)] [259 / 329,962 (0.08%)]
-8.5C - -7.6C -8.5C - -7.6C = 394
[394 (0.11% / 0.12%)] [653 / 329,787 (0.20%)]
-7.5C - -6.6C -7.5C - -6.6C = 743
[743 (0.21% / 0.23%)] [1,396 / 329,393 (0.42%)]
-6.5C - -5.6C -6.5C - -5.6C = 1,392
[1,392 (0.40% / 0.42%)] [2,788 / 328,650 (0.84%)]
-5.5C - -4.6C -5.5C - -4.6C = 2,215
[2,215 (0.64% / 0.67%)] [5,003 / 327,258 (1.52%)]
-4.5C - -3.6C -4.5C - -3.6C = 3,575
[3,575 (1.03% / 1.08%)] [8,578 / 325,043 (2.60%)]
-3.5C - -2.6C -3.5C - -2.6C = 5,223
[5,223 (1.51% / 1.58%)] [13,801 / 321,468 (4.18%)]
-2.5C - -1.6C -2.5C - -1.6C = 6,901
[6,901 (1.99% / 2.09%)] [20,702 / 316,245 (6.27%)]
-1.5C - -0.6C -1.5C - -0.6C = 8,878
[8,878 (2.56% / 2.69%)] [29,580 / 309,344 (8.96%)]
-0.5C - 0.4C -0.5C - 0.4C = 20,317
[20,317 (5.86% / 6.16%)] [49,897 / 300,466 (15.12%)]
0.5C - 1.4C 0.5C - 1.4C = 11,208
[11,208 (3.24% / 3.40%)] [61,105 / 280,149 (18.51%)]
1.5C - 2.4C 1.5C - 2.4C = 10,058
[10,058 (2.90% / 3.05%)] [71,163 / 268,941 (21.56%)]
2.5C - 3.4C 2.5C - 3.4C = 10,136
[10,136 (2.93% / 3.07%)] [81,299 / 258,883 (24.63%)]
3.5C - 4.4C 3.5C - 4.4C = 9,989
[9,989 (2.88% / 3.03%)] [91,288 / 248,747 (27.66%)]
4.5C - 5.4C 4.5C - 5.4C = 9,937
[9,937 (2.87% / 3.01%)] [101,225 / 238,758 (30.67%)]
5.5C - 6.4C 5.5C - 6.4C = 9,721
[9,721 (2.81% / 2.95%)] [110,946 / 228,821 (33.62%)]
6.5C - 7.4C 6.5C - 7.4C = 9,583
[9,583 (2.77% / 2.90%)] [120,529 / 219,100 (36.52%)]
7.5C - 8.4C 7.5C - 8.4C = 9,212
[9,212 (2.66% / 2.79%)] [129,741 / 209,517 (39.31%)]
8.5C - 9.4C 8.5C - 9.4C = 9,111
[9,111 (2.63% / 2.76%)] [138,852 / 200,305 (42.07%)]
9.5C - 10.4C 9.5C - 10.4C = 9,205
[9,205 (2.66% / 2.79%)] [148,057 / 191,194 (44.86%)]
10.5C - 11.4C 10.5C - 11.4C = 9,273
[9,273 (2.68% / 2.81%)] [157,330 / 181,989 (47.67%)]
11.5C - 12.4C 11.5C - 12.4C = 9,528
[9,528 (2.75% / 2.89%)] [166,858 / 172,716 (50.56%)]
12.5C - 13.4C 12.5C - 13.4C = 9,731
[9,731 (2.81% / 2.95%)] [176,589 / 163,188 (53.50%)]
13.5C - 14.4C 13.5C - 14.4C = 9,735
[9,735 (2.81% / 2.95%)] [186,324 / 153,457 (56.45%)]
14.5C - 15.4C 14.5C - 15.4C = 10,140
[10,140 (2.93% / 3.07%)] [196,464 / 143,722 (59.53%)]
15.5C - 16.4C 15.5C - 16.4C = 10,745
[10,745 (3.10% / 3.26%)] [207,209 / 133,582 (62.78%)]
16.5C - 17.4C 16.5C - 17.4C = 10,836
[10,836 (3.13% / 3.28%)] [218,045 / 122,837 (66.07%)]
17.5C - 18.4C 17.5C - 18.4C = 11,846
[11,846 (3.42% / 3.59%)] [229,891 / 112,001 (69.65%)]
18.5C - 19.4C 18.5C - 19.4C = 11,853
[11,853 (3.42% / 3.59%)] [241,744 / 100,155 (73.25%)]
19.5C - 20.4C 19.5C - 20.4C = 11,882
[11,882 (3.43% / 3.60%)] [253,626 / 88,302 (76.85%)]
20.5C - 21.4C 20.5C - 21.4C = 12,361
[12,361 (3.57% / 3.75%)] [265,987 / 76,420 (80.59%)]
21.5C - 22.4C 21.5C - 22.4C = 12,425
[12,425 (3.59% / 3.76%)] [278,412 / 64,059 (84.36%)]
22.5C - 23.4C 22.5C - 23.4C = 11,289
[11,289 (3.26% / 3.42%)] [289,701 / 51,634 (87.78%)]
23.5C - 24.4C 23.5C - 24.4C = 9,171
[9,171 (2.65% / 2.78%)] [298,872 / 40,345 (90.55%)]
24.5C - 25.4C 24.5C - 25.4C = 6,924
[6,924 (2.00% / 2.10%)] [305,796 / 31,174 (92.65%)]
25.5C - 26.4C 25.5C - 26.4C = 5,399
[5,399 (1.56% / 1.64%)] [311,195 / 24,250 (94.29%)]
26.5C - 27.4C 26.5C - 27.4C = 4,380
[4,380 (1.26% / 1.33%)] [315,575 / 18,851 (95.62%)]
27.5C - 28.4C 27.5C - 28.4C = 3,742
[3,742 (1.08% / 1.13%)] [319,317 / 14,471 (96.75%)]
28.5C - 29.4C 28.5C - 29.4C = 2,968
[2,968 (0.86% / 0.90%)] [322,285 / 10,729 (97.65%)]
29.5C - 30.4C 29.5C - 30.4C = 2,546
[2,546 (0.73% / 0.77%)] [324,831 / 7,761 (98.42%)]
30.5C - 31.4C 30.5C - 31.4C = 1,869
[1,869 (0.54% / 0.57%)] [326,700 / 5,215 (98.99%)]
31.5C - 32.4C 31.5C - 32.4C = 1,494
[1,494 (0.43% / 0.45%)] [328,194 / 3,346 (99.44%)]
32.5C - 33.4C 32.5C - 33.4C = 977
[977 (0.28% / 0.30%)] [329,171 / 1,852 (99.73%)]
33.5C - 34.4C 33.5C - 34.4C = 559
[559 (0.16% / 0.17%)] [329,730 / 875 (99.90%)]
34.5C - 35.4C 34.5C - 35.4C = 229
[229 (0.07% / 0.07%)] [329,959 / 316 (99.97%)]
35.5C - 36.4C 35.5C - 36.4C = 71
[71 (0.02% / 0.02%)] [330,030 / 87 (100.00%)]
36.5C - 37.4C 36.5C - 37.4C = 15
[15 (0.00% / 0.00%)] [330,045 / 16 (100.00%)]
37.5C - 38.4C 37.5C - 38.4C = 1
[1 (0.00% / 0.00%)] [330,046 / 1 (100.00%)]

Missing observations (16,378 / 4.73%)

Sunshine Duration

0.0h 0.0h = 235,649
[235,649 (68.02% / 71.78%)] [235,649 / 328,296 (71.78%)]
0.1h 0.1h = 7,153
[7,153 (2.06% / 2.18%)] [242,802 / 92,647 (73.96%)]
0.2h 0.2h = 5,595
[5,595 (1.62% / 1.70%)] [248,397 / 85,494 (75.66%)]
0.3h 0.3h = 5,125
[5,125 (1.48% / 1.56%)] [253,522 / 79,899 (77.22%)]
0.4h 0.4h = 4,775
[4,775 (1.38% / 1.45%)] [258,297 / 74,774 (78.68%)]
0.5h 0.5h = 4,742
[4,742 (1.37% / 1.44%)] [263,039 / 69,999 (80.12%)]
0.6h 0.6h = 4,701
[4,701 (1.36% / 1.43%)] [267,740 / 65,257 (81.55%)]
0.7h 0.7h = 5,236
[5,236 (1.51% / 1.59%)] [272,976 / 60,556 (83.15%)]
0.8h 0.8h = 6,031
[6,031 (1.74% / 1.84%)] [279,007 / 55,320 (84.99%)]
0.9h 0.9h = 7,583
[7,583 (2.19% / 2.31%)] [286,590 / 49,289 (87.30%)]
1.0h 1.0h = 41,706
[41,706 (12.04% / 12.70%)] [328,296 / 41,706 (100.00%)]

Missing observations (18,128 / 5.23%)