Station Number 42146
Prefecture Gunma [ Local Portal ]
Location 群馬県沼田市井土上町 (NUMATA SHI, GUMMA KEN)
Months of Observations 481
Number of Observations 351,226
Period of Observations
Period Name Lat. Long. Height Anemometer
1974/11/01 -- 1977/12/20 NUMATA 36.642N 139.043E 417m 0.0m
1977/12/21 -- 1986/11/06 NUMATA 36.653N 139.060E 439m 17.5m
1986/11/07 -- 1998/03/30 NUMATA 36.653N 139.060E 439m 17.5m
1998/03/31 -- 2006/11/16 NUMATA 36.653N 139.060E 439m 17.5m
2006/11/17 -- 2016/03/17 NUMATA 36.653N 139.060E 439m 17.5m
2016/03/18 -- 2016/08/99 NUMATA 36.668N 139.022E 390m 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
42102 TAKATEYAMA (Gunma) 11.35km 36deg.
42136 AMAMIYAMA (Gunma) 14.42km 279deg.
42905 MINAKAMI (Gunma) 14.67km 349deg.
42091 MINAKAMI (Gunma) 14.89km 349deg.
42101 MAEHOTAKA (Gunma) 16.79km 48deg.
42186 NAKANOJO (Gunma) 17.82km 239deg.
42201 AKAGIYAMA (Gunma) 19.73km 136deg.
42046 FUJIWARA (Gunma) 21.88km 8deg.
42900 FUJIWARA (Gunma) 22.10km 8deg.
42106 KATASHINA (Gunma) 22.48km 59deg.
42241 HARUNASAN (Gunma) 25.51km 211deg.
42251 MAEBASHI (Gunma) 29.38km 173deg.
42915 MAEBASHI (Gunma) 29.38km 173deg.
42261 KUROHONE (Gunma) 29.75km 128deg.

Statistics for the Whole Period

Precipitation

0.0mm - 0.4mm 0.0mm - 0.4mm = 327,579
[327,579 (93.27% / 93.75%)] [327,579 / 349,410 (93.75%)]
0.5mm - 1.4mm 0.5mm - 1.4mm = 13,048
[13,048 (3.71% / 3.73%)] [340,627 / 21,831 (97.49%)]
1.5mm - 2.4mm 1.5mm - 2.4mm = 4,179
[4,179 (1.19% / 1.20%)] [344,806 / 8,783 (98.68%)]
2.5mm - 3.4mm 2.5mm - 3.4mm = 1,894
[1,894 (0.54% / 0.54%)] [346,700 / 4,604 (99.22%)]
3.5mm - 4.4mm 3.5mm - 4.4mm = 950
[950 (0.27% / 0.27%)] [347,650 / 2,710 (99.50%)]
4.5mm - 5.4mm 4.5mm - 5.4mm = 559
[559 (0.16% / 0.16%)] [348,209 / 1,760 (99.66%)]
5.5mm - 6.4mm 5.5mm - 6.4mm = 325
[325 (0.09% / 0.09%)] [348,534 / 1,201 (99.75%)]
6.5mm - 7.4mm 6.5mm - 7.4mm = 220
[220 (0.06% / 0.06%)] [348,754 / 876 (99.81%)]
7.5mm - 8.4mm 7.5mm - 8.4mm = 143
[143 (0.04% / 0.04%)] [348,897 / 656 (99.85%)]
8.5mm - 9.4mm 8.5mm - 9.4mm = 103
[103 (0.03% / 0.03%)] [349,000 / 513 (99.88%)]
9.5mm - 10.4mm 9.5mm - 10.4mm = 76
[76 (0.02% / 0.02%)] [349,076 / 410 (99.90%)]
10.5mm - 11.4mm 10.5mm - 11.4mm = 51
[51 (0.01% / 0.01%)] [349,127 / 334 (99.92%)]
11.5mm - 12.4mm 11.5mm - 12.4mm = 46
[46 (0.01% / 0.01%)] [349,173 / 283 (99.93%)]
12.5mm - 13.4mm 12.5mm - 13.4mm = 41
[41 (0.01% / 0.01%)] [349,214 / 237 (99.94%)]
13.5mm - 14.4mm 13.5mm - 14.4mm = 27
[27 (0.01% / 0.01%)] [349,241 / 196 (99.95%)]
14.5mm - 15.4mm 14.5mm - 15.4mm = 24
[24 (0.01% / 0.01%)] [349,265 / 169 (99.96%)]
15.5mm - 16.4mm 15.5mm - 16.4mm = 19
[19 (0.01% / 0.01%)] [349,284 / 145 (99.96%)]
16.5mm - 17.4mm 16.5mm - 17.4mm = 23
[23 (0.01% / 0.01%)] [349,307 / 126 (99.97%)]
17.5mm - 18.4mm 17.5mm - 18.4mm = 8
[8 (0.00% / 0.00%)] [349,315 / 103 (99.97%)]
18.5mm - 19.4mm 18.5mm - 19.4mm = 8
[8 (0.00% / 0.00%)] [349,323 / 95 (99.98%)]
19.5mm - 20.4mm 19.5mm - 20.4mm = 6
[6 (0.00% / 0.00%)] [349,329 / 87 (99.98%)]
20.5mm - 21.4mm 20.5mm - 21.4mm = 6
[6 (0.00% / 0.00%)] [349,335 / 81 (99.98%)]
21.5mm - 22.4mm 21.5mm - 22.4mm = 11
[11 (0.00% / 0.00%)] [349,346 / 75 (99.98%)]
22.5mm - 23.4mm 22.5mm - 23.4mm = 4
[4 (0.00% / 0.00%)] [349,350 / 64 (99.98%)]
23.5mm - 24.4mm 23.5mm - 24.4mm = 7
[7 (0.00% / 0.00%)] [349,357 / 60 (99.98%)]
24.5mm - 25.4mm 24.5mm - 25.4mm = 7
[7 (0.00% / 0.00%)] [349,364 / 53 (99.99%)]
25.5mm - 26.4mm 25.5mm - 26.4mm = 4
[4 (0.00% / 0.00%)] [349,368 / 46 (99.99%)]
26.5mm - 27.4mm 26.5mm - 27.4mm = 6
[6 (0.00% / 0.00%)] [349,374 / 42 (99.99%)]
27.5mm - 28.4mm 27.5mm - 28.4mm = 3
[3 (0.00% / 0.00%)] [349,377 / 36 (99.99%)]
28.5mm - 29.4mm 28.5mm - 29.4mm = 7
[7 (0.00% / 0.00%)] [349,384 / 33 (99.99%)]
29.5mm - 30.4mm 29.5mm - 30.4mm = 3
[3 (0.00% / 0.00%)] [349,387 / 26 (99.99%)]
30.5mm - 31.4mm 30.5mm - 31.4mm = 1
[1 (0.00% / 0.00%)] [349,388 / 23 (99.99%)]
31.5mm - 32.4mm 31.5mm - 32.4mm = 3
[3 (0.00% / 0.00%)] [349,391 / 22 (99.99%)]
32.5mm - 33.4mm 32.5mm - 33.4mm = 1
[1 (0.00% / 0.00%)] [349,392 / 19 (99.99%)]
33.5mm - 34.4mm 33.5mm - 34.4mm = 2
[2 (0.00% / 0.00%)] [349,394 / 18 (100.00%)]
34.5mm - 35.4mm 34.5mm - 35.4mm = 3
[3 (0.00% / 0.00%)] [349,397 / 16 (100.00%)]
35.5mm - 36.4mm 35.5mm - 36.4mm = 2
[2 (0.00% / 0.00%)] [349,399 / 13 (100.00%)]
36.5mm - 37.4mm 36.5mm - 37.4mm = 1
[1 (0.00% / 0.00%)] [349,400 / 11 (100.00%)]
37.5mm - 38.4mm 37.5mm - 38.4mm = 2
[2 (0.00% / 0.00%)] [349,402 / 10 (100.00%)]
40.5mm - 41.4mm 40.5mm - 41.4mm = 1
[1 (0.00% / 0.00%)] [349,403 / 8 (100.00%)]
43.5mm - 44.4mm 43.5mm - 44.4mm = 2
[2 (0.00% / 0.00%)] [349,405 / 7 (100.00%)]
44.5mm - 45.4mm 44.5mm - 45.4mm = 1
[1 (0.00% / 0.00%)] [349,406 / 5 (100.00%)]
47.5mm - 48.4mm 47.5mm - 48.4mm = 1
[1 (0.00% / 0.00%)] [349,407 / 4 (100.00%)]
50.5mm - 51.4mm 50.5mm - 51.4mm = 1
[1 (0.00% / 0.00%)] [349,408 / 3 (100.00%)]
58.5mm - 59.4mm 58.5mm - 59.4mm = 1
[1 (0.00% / 0.00%)] [349,409 / 2 (100.00%)]
68.5mm - 69.4mm 68.5mm - 69.4mm = 1
[1 (0.00% / 0.00%)] [349,410 / 1 (100.00%)]

Missing observations (1,816 / 0.52%)

Wind Direction

Calm Calm = 48,028
[48,028 (13.67% / 14.17%)] [0 / 0 (NA)]
NNE NNE = 27,676
[27,676 (7.88% / 8.17%)] [0 / 0 (NA)]
NE NE = 26,441
[26,441 (7.53% / 7.80%)] [0 / 0 (NA)]
ENE ENE = 15,707
[15,707 (4.47% / 4.64%)] [0 / 0 (NA)]
E E = 6,640
[6,640 (1.89% / 1.96%)] [0 / 0 (NA)]
ESE ESE = 4,378
[4,378 (1.25% / 1.29%)] [0 / 0 (NA)]
SE SE = 6,113
[6,113 (1.74% / 1.80%)] [0 / 0 (NA)]
SSE SSE = 15,995
[15,995 (4.55% / 4.72%)] [0 / 0 (NA)]
S S = 41,338
[41,338 (11.77% / 12.20%)] [0 / 0 (NA)]
SSW SSW = 13,888
[13,888 (3.95% / 4.10%)] [0 / 0 (NA)]
SW SW = 3,985
[3,985 (1.13% / 1.18%)] [0 / 0 (NA)]
WSW WSW = 4,283
[4,283 (1.22% / 1.26%)] [0 / 0 (NA)]
W W = 8,133
[8,133 (2.32% / 2.40%)] [0 / 0 (NA)]
WNW WNW = 24,589
[24,589 (7.00% / 7.26%)] [0 / 0 (NA)]
NW NW = 24,309
[24,309 (6.92% / 7.17%)] [0 / 0 (NA)]
NNW NNW = 35,732
[35,732 (10.17% / 10.55%)] [0 / 0 (NA)]
N N = 31,599
[31,599 (9.00% / 9.33%)] [0 / 0 (NA)]

Missing observations (12,392 / 3.53%)

Wind Speed

0.0m/s - 0.4m/s 0.0m/s - 0.4m/s = 50,248
[50,248 (14.31% / 14.83%)] [50,248 / 338,871 (14.83%)]
0.5m/s - 1.4m/s 0.5m/s - 1.4m/s = 110,538
[110,538 (31.47% / 32.62%)] [160,786 / 288,623 (47.45%)]
1.5m/s - 2.4m/s 1.5m/s - 2.4m/s = 67,524
[67,524 (19.23% / 19.93%)] [228,310 / 178,085 (67.37%)]
2.5m/s - 3.4m/s 2.5m/s - 3.4m/s = 36,292
[36,292 (10.33% / 10.71%)] [264,602 / 110,561 (78.08%)]
3.5m/s - 4.4m/s 3.5m/s - 4.4m/s = 29,926
[29,926 (8.52% / 8.83%)] [294,528 / 74,269 (86.91%)]
4.5m/s - 5.4m/s 4.5m/s - 5.4m/s = 23,611
[23,611 (6.72% / 6.97%)] [318,139 / 44,343 (93.88%)]
5.5m/s - 6.4m/s 5.5m/s - 6.4m/s = 13,241
[13,241 (3.77% / 3.91%)] [331,380 / 20,732 (97.79%)]
6.5m/s - 7.4m/s 6.5m/s - 7.4m/s = 5,235
[5,235 (1.49% / 1.54%)] [336,615 / 7,491 (99.33%)]
7.5m/s - 8.4m/s 7.5m/s - 8.4m/s = 1,584
[1,584 (0.45% / 0.47%)] [338,199 / 2,256 (99.80%)]
8.5m/s - 9.4m/s 8.5m/s - 9.4m/s = 466
[466 (0.13% / 0.14%)] [338,665 / 672 (99.94%)]
9.5m/s - 10.4m/s 9.5m/s - 10.4m/s = 122
[122 (0.03% / 0.04%)] [338,787 / 206 (99.98%)]
10.5m/s - 11.4m/s 10.5m/s - 11.4m/s = 54
[54 (0.02% / 0.02%)] [338,841 / 84 (99.99%)]
11.5m/s - 12.4m/s 11.5m/s - 12.4m/s = 15
[15 (0.00% / 0.00%)] [338,856 / 30 (100.00%)]
12.5m/s - 13.4m/s 12.5m/s - 13.4m/s = 6
[6 (0.00% / 0.00%)] [338,862 / 15 (100.00%)]
13.5m/s - 14.4m/s 13.5m/s - 14.4m/s = 5
[5 (0.00% / 0.00%)] [338,867 / 9 (100.00%)]
14.5m/s - 15.4m/s 14.5m/s - 15.4m/s = 3
[3 (0.00% / 0.00%)] [338,870 / 4 (100.00%)]
16.5m/s - 17.4m/s 16.5m/s - 17.4m/s = 1
[1 (0.00% / 0.00%)] [338,871 / 1 (100.00%)]

Missing observations (12,355 / 3.52%)

Temperature

-13.5C - -12.6C -13.5C - -12.6C = 3
[3 (0.00% / 0.00%)] [3 / 338,534 (0.00%)]
-12.5C - -11.6C -12.5C - -11.6C = 9
[9 (0.00% / 0.00%)] [12 / 338,531 (0.00%)]
-11.5C - -10.6C -11.5C - -10.6C = 29
[29 (0.01% / 0.01%)] [41 / 338,522 (0.01%)]
-10.5C - -9.6C -10.5C - -9.6C = 80
[80 (0.02% / 0.02%)] [121 / 338,493 (0.04%)]
-9.5C - -8.6C -9.5C - -8.6C = 210
[210 (0.06% / 0.06%)] [331 / 338,413 (0.10%)]
-8.5C - -7.6C -8.5C - -7.6C = 489
[489 (0.14% / 0.14%)] [820 / 338,203 (0.24%)]
-7.5C - -6.6C -7.5C - -6.6C = 776
[776 (0.22% / 0.23%)] [1,596 / 337,714 (0.47%)]
-6.5C - -5.6C -6.5C - -5.6C = 1,358
[1,358 (0.39% / 0.40%)] [2,954 / 336,938 (0.87%)]
-5.5C - -4.6C -5.5C - -4.6C = 2,174
[2,174 (0.62% / 0.64%)] [5,128 / 335,580 (1.51%)]
-4.5C - -3.6C -4.5C - -3.6C = 3,480
[3,480 (0.99% / 1.03%)] [8,608 / 333,406 (2.54%)]
-3.5C - -2.6C -3.5C - -2.6C = 5,154
[5,154 (1.47% / 1.52%)] [13,762 / 329,926 (4.07%)]
-2.5C - -1.6C -2.5C - -1.6C = 7,144
[7,144 (2.03% / 2.11%)] [20,906 / 324,772 (6.18%)]
-1.5C - -0.6C -1.5C - -0.6C = 8,885
[8,885 (2.53% / 2.62%)] [29,791 / 317,628 (8.80%)]
-0.5C - 0.4C -0.5C - 0.4C = 21,678
[21,678 (6.17% / 6.40%)] [51,469 / 308,743 (15.20%)]
0.5C - 1.4C 0.5C - 1.4C = 11,873
[11,873 (3.38% / 3.51%)] [63,342 / 287,065 (18.71%)]
1.5C - 2.4C 1.5C - 2.4C = 11,427
[11,427 (3.25% / 3.38%)] [74,769 / 275,192 (22.09%)]
2.5C - 3.4C 2.5C - 3.4C = 11,105
[11,105 (3.16% / 3.28%)] [85,874 / 263,765 (25.37%)]
3.5C - 4.4C 3.5C - 4.4C = 10,999
[10,999 (3.13% / 3.25%)] [96,873 / 252,660 (28.62%)]
4.5C - 5.4C 4.5C - 5.4C = 10,021
[10,021 (2.85% / 2.96%)] [106,894 / 241,661 (31.58%)]
5.5C - 6.4C 5.5C - 6.4C = 9,857
[9,857 (2.81% / 2.91%)] [116,751 / 231,640 (34.49%)]
6.5C - 7.4C 6.5C - 7.4C = 9,696
[9,696 (2.76% / 2.86%)] [126,447 / 221,783 (37.35%)]
7.5C - 8.4C 7.5C - 8.4C = 9,446
[9,446 (2.69% / 2.79%)] [135,893 / 212,087 (40.14%)]
8.5C - 9.4C 8.5C - 9.4C = 9,299
[9,299 (2.65% / 2.75%)] [145,192 / 202,641 (42.89%)]
9.5C - 10.4C 9.5C - 10.4C = 9,133
[9,133 (2.60% / 2.70%)] [154,325 / 193,342 (45.59%)]
10.5C - 11.4C 10.5C - 11.4C = 9,532
[9,532 (2.71% / 2.82%)] [163,857 / 184,209 (48.40%)]
11.5C - 12.4C 11.5C - 12.4C = 9,612
[9,612 (2.74% / 2.84%)] [173,469 / 174,677 (51.24%)]
12.5C - 13.4C 12.5C - 13.4C = 9,798
[9,798 (2.79% / 2.89%)] [183,267 / 165,065 (54.14%)]
13.5C - 14.4C 13.5C - 14.4C = 10,015
[10,015 (2.85% / 2.96%)] [193,282 / 155,267 (57.09%)]
14.5C - 15.4C 14.5C - 15.4C = 10,581
[10,581 (3.01% / 3.13%)] [203,863 / 145,252 (60.22%)]
15.5C - 16.4C 15.5C - 16.4C = 11,185
[11,185 (3.18% / 3.30%)] [215,048 / 134,671 (63.52%)]
16.5C - 17.4C 16.5C - 17.4C = 11,325
[11,325 (3.22% / 3.35%)] [226,373 / 123,486 (66.87%)]
17.5C - 18.4C 17.5C - 18.4C = 11,966
[11,966 (3.41% / 3.53%)] [238,339 / 112,161 (70.40%)]
18.5C - 19.4C 18.5C - 19.4C = 12,395
[12,395 (3.53% / 3.66%)] [250,734 / 100,195 (74.06%)]
19.5C - 20.4C 19.5C - 20.4C = 12,209
[12,209 (3.48% / 3.61%)] [262,943 / 87,800 (77.67%)]
20.5C - 21.4C 20.5C - 21.4C = 12,439
[12,439 (3.54% / 3.67%)] [275,382 / 75,591 (81.35%)]
21.5C - 22.4C 21.5C - 22.4C = 12,342
[12,342 (3.51% / 3.65%)] [287,724 / 63,152 (84.99%)]
22.5C - 23.4C 22.5C - 23.4C = 10,805
[10,805 (3.08% / 3.19%)] [298,529 / 50,810 (88.18%)]
23.5C - 24.4C 23.5C - 24.4C = 8,630
[8,630 (2.46% / 2.55%)] [307,159 / 40,005 (90.73%)]
24.5C - 25.4C 24.5C - 25.4C = 6,835
[6,835 (1.95% / 2.02%)] [313,994 / 31,375 (92.75%)]
25.5C - 26.4C 25.5C - 26.4C = 5,570
[5,570 (1.59% / 1.65%)] [319,564 / 24,540 (94.40%)]
26.5C - 27.4C 26.5C - 27.4C = 4,417
[4,417 (1.26% / 1.30%)] [323,981 / 18,970 (95.70%)]
27.5C - 28.4C 27.5C - 28.4C = 3,702
[3,702 (1.05% / 1.09%)] [327,683 / 14,553 (96.79%)]
28.5C - 29.4C 28.5C - 29.4C = 3,119
[3,119 (0.89% / 0.92%)] [330,802 / 10,851 (97.72%)]
29.5C - 30.4C 29.5C - 30.4C = 2,541
[2,541 (0.72% / 0.75%)] [333,343 / 7,732 (98.47%)]
30.5C - 31.4C 30.5C - 31.4C = 2,044
[2,044 (0.58% / 0.60%)] [335,387 / 5,191 (99.07%)]
31.5C - 32.4C 31.5C - 32.4C = 1,402
[1,402 (0.40% / 0.41%)] [336,789 / 3,147 (99.48%)]
32.5C - 33.4C 32.5C - 33.4C = 930
[930 (0.26% / 0.27%)] [337,719 / 1,745 (99.76%)]
33.5C - 34.4C 33.5C - 34.4C = 519
[519 (0.15% / 0.15%)] [338,238 / 815 (99.91%)]
34.5C - 35.4C 34.5C - 35.4C = 217
[217 (0.06% / 0.06%)] [338,455 / 296 (99.98%)]
35.5C - 36.4C 35.5C - 36.4C = 73
[73 (0.02% / 0.02%)] [338,528 / 79 (100.00%)]
36.5C - 37.4C 36.5C - 37.4C = 6
[6 (0.00% / 0.00%)] [338,534 / 6 (100.00%)]

Missing observations (12,692 / 3.61%)

Sunshine Duration

0.0h 0.0h = 229,023
[229,023 (65.21% / 67.60%)] [229,023 / 338,797 (67.60%)]
0.1h 0.1h = 7,457
[7,457 (2.12% / 2.20%)] [236,480 / 109,774 (69.80%)]
0.2h 0.2h = 5,799
[5,799 (1.65% / 1.71%)] [242,279 / 102,317 (71.51%)]
0.3h 0.3h = 5,200
[5,200 (1.48% / 1.53%)] [247,479 / 96,518 (73.05%)]
0.4h 0.4h = 4,932
[4,932 (1.40% / 1.46%)] [252,411 / 91,318 (74.50%)]
0.5h 0.5h = 4,878
[4,878 (1.39% / 1.44%)] [257,289 / 86,386 (75.94%)]
0.6h 0.6h = 5,388
[5,388 (1.53% / 1.59%)] [262,677 / 81,508 (77.53%)]
0.7h 0.7h = 5,867
[5,867 (1.67% / 1.73%)] [268,544 / 76,120 (79.26%)]
0.8h 0.8h = 6,164
[6,164 (1.75% / 1.82%)] [274,708 / 70,253 (81.08%)]
0.9h 0.9h = 8,289
[8,289 (2.36% / 2.45%)] [282,997 / 64,089 (83.53%)]
1.0h 1.0h = 55,800
[55,800 (15.89% / 16.47%)] [338,797 / 55,800 (100.00%)]

Missing observations (12,429 / 3.54%)