Station Number 42396
Prefecture Gunma [ Local Portal ]
Location 群馬県多野郡神流町大字黒田字坂井道下 (KANNA-MACHI TANO-GUN, GUMMA)
Months of Observations 374
Number of Observations 273216
Period of Observations
1977/11/17 -- 1987/10/14 MAMBA 36.115N 138.915E 338m
1987/10/15 -- 1996/11/04 MAMBA 36.115N 138.915E 338m
1996/11/05 -- 2004/05/31 MAMBA 36.108N 138.897E 357m
2004/06/01 -- 2008/01/24 KANNA 36.108N 138.897E 357m
2008/01/25 -- 2008/12/31 KANNA 36.108N 138.897E 357m
Real-time Data AMeRAS (AMeDAS Ranking Service)
Past Heavy Rain Data AMeDAS heavy rain
Weather Disaster Reports
Typhoon History
Neighbor Stations
42391 INAFUKUMIYAMA (Gunma) 7.53 km 336 deg.
43091 KAMIYOSHIDA (Saitama) 9.65 km 129 deg.
43151 MITSUMINE (Saitama) 20.22 km 173 deg.
43156 CHICHIBU (Saitama) 20.57 km 129 deg.
43900 CHICHIBU (Saitama) 20.57 km 129 deg.
42341 FUJIOKA (Gunma) 22.34 km 45 deg.
42326 NISHINOMAKI (Gunma) 22.87 km 311 deg.
43051 YORII (Saitama) 25.75 km 90 deg.
48516 KITAAIKI (Nagano) 25.98 km 261 deg.
43157 URAYAMA (Saitama) 26.05 km 143 deg.

Statistics for the Whole Period

Precipitation

0 mm 0 mm = 257,029
[257,029 (94.08% / 94.34%)] [257,029 / 272,447 (94.34%)]
1 mm 1 mm = 8,501
[8,501 (3.11% / 3.12%)] [265,530 / 15,418 (97.46%)]
2 mm 2 mm = 2,913
[2,913 (1.07% / 1.07%)] [268,443 / 6,917 (98.53%)]
3 mm 3 mm = 1,484
[1,484 (0.54% / 0.54%)] [269,927 / 4,004 (99.08%)]
4 mm 4 mm = 750
[750 (0.27% / 0.28%)] [270,677 / 2,520 (99.35%)]
5 mm 5 mm = 501
[501 (0.18% / 0.18%)] [271,178 / 1,770 (99.53%)]
6 mm 6 mm = 318
[318 (0.12% / 0.12%)] [271,496 / 1,269 (99.65%)]
7 mm 7 mm = 212
[212 (0.08% / 0.08%)] [271,708 / 951 (99.73%)]
8 mm 8 mm = 149
[149 (0.05% / 0.05%)] [271,857 / 739 (99.78%)]
9 mm 9 mm = 109
[109 (0.04% / 0.04%)] [271,966 / 590 (99.82%)]
10 mm 10 mm = 95
[95 (0.03% / 0.03%)] [272,061 / 481 (99.86%)]
11 mm 11 mm = 61
[61 (0.02% / 0.02%)] [272,122 / 386 (99.88%)]
12 mm 12 mm = 43
[43 (0.02% / 0.02%)] [272,165 / 325 (99.90%)]
13 mm 13 mm = 46
[46 (0.02% / 0.02%)] [272,211 / 282 (99.91%)]
14 mm 14 mm = 35
[35 (0.01% / 0.01%)] [272,246 / 236 (99.93%)]
15 mm 15 mm = 31
[31 (0.01% / 0.01%)] [272,277 / 201 (99.94%)]
16 mm 16 mm = 21
[21 (0.01% / 0.01%)] [272,298 / 170 (99.95%)]
17 mm 17 mm = 15
[15 (0.01% / 0.01%)] [272,313 / 149 (99.95%)]
18 mm 18 mm = 15
[15 (0.01% / 0.01%)] [272,328 / 134 (99.96%)]
19 mm 19 mm = 20
[20 (0.01% / 0.01%)] [272,348 / 119 (99.96%)]
20 mm 20 mm = 11
[11 (0.00% / 0.00%)] [272,359 / 99 (99.97%)]
21 mm 21 mm = 12
[12 (0.00% / 0.00%)] [272,371 / 88 (99.97%)]
22 mm 22 mm = 5
[5 (0.00% / 0.00%)] [272,376 / 76 (99.97%)]
23 mm 23 mm = 5
[5 (0.00% / 0.00%)] [272,381 / 71 (99.98%)]
24 mm 24 mm = 4
[4 (0.00% / 0.00%)] [272,385 / 66 (99.98%)]
25 mm 25 mm = 9
[9 (0.00% / 0.00%)] [272,394 / 62 (99.98%)]
26 mm 26 mm = 7
[7 (0.00% / 0.00%)] [272,401 / 53 (99.98%)]
27 mm 27 mm = 6
[6 (0.00% / 0.00%)] [272,407 / 46 (99.99%)]
28 mm 28 mm = 4
[4 (0.00% / 0.00%)] [272,411 / 40 (99.99%)]
29 mm 29 mm = 4
[4 (0.00% / 0.00%)] [272,415 / 36 (99.99%)]
30 mm 30 mm = 2
[2 (0.00% / 0.00%)] [272,417 / 32 (99.99%)]
31 mm 31 mm = 6
[6 (0.00% / 0.00%)] [272,423 / 30 (99.99%)]
32 mm 32 mm = 2
[2 (0.00% / 0.00%)] [272,425 / 24 (99.99%)]
33 mm 33 mm = 2
[2 (0.00% / 0.00%)] [272,427 / 22 (99.99%)]
34 mm 34 mm = 4
[4 (0.00% / 0.00%)] [272,431 / 20 (99.99%)]
35 mm 35 mm = 2
[2 (0.00% / 0.00%)] [272,433 / 16 (99.99%)]
36 mm 36 mm = 2
[2 (0.00% / 0.00%)] [272,435 / 14 (100.00%)]
37 mm 37 mm = 3
[3 (0.00% / 0.00%)] [272,438 / 12 (100.00%)]
38 mm 38 mm = 2
[2 (0.00% / 0.00%)] [272,440 / 9 (100.00%)]
39 mm 39 mm = 1
[1 (0.00% / 0.00%)] [272,441 / 7 (100.00%)]
42 mm 42 mm = 2
[2 (0.00% / 0.00%)] [272,443 / 6 (100.00%)]
46 mm 46 mm = 1
[1 (0.00% / 0.00%)] [272,444 / 4 (100.00%)]
47 mm 47 mm = 1
[1 (0.00% / 0.00%)] [272,445 / 3 (100.00%)]
60 mm 60 mm = 1
[1 (0.00% / 0.00%)] [272,446 / 2 (100.00%)]
73 mm 73 mm = 1
[1 (0.00% / 0.00%)] [272,447 / 1 (100.00%)]

Missing observations (769 / 0.28%)

Wind Direction

Calm Calm = 125,315
[125,315 (45.87% / 45.99%)] [0 / 0 (NA)]
NNE NNE = 2,727
[2,727 (1.00% / 1.00%)] [0 / 0 (NA)]
NE NE = 16,478
[16,478 (6.03% / 6.05%)] [0 / 0 (NA)]
ENE ENE = 25,651
[25,651 (9.39% / 9.41%)] [0 / 0 (NA)]
E E = 24,806
[24,806 (9.08% / 9.10%)] [0 / 0 (NA)]
ESE ESE = 8,638
[8,638 (3.16% / 3.17%)] [0 / 0 (NA)]
SE SE = 2,293
[2,293 (0.84% / 0.84%)] [0 / 0 (NA)]
SSE SSE = 1,371
[1,371 (0.50% / 0.50%)] [0 / 0 (NA)]
S S = 2,087
[2,087 (0.76% / 0.77%)] [0 / 0 (NA)]
SSW SSW = 5,984
[5,984 (2.19% / 2.20%)] [0 / 0 (NA)]
SW SW = 17,976
[17,976 (6.58% / 6.60%)] [0 / 0 (NA)]
WSW WSW = 25,050
[25,050 (9.17% / 9.19%)] [0 / 0 (NA)]
W W = 9,933
[9,933 (3.64% / 3.65%)] [0 / 0 (NA)]
WNW WNW = 1,882
[1,882 (0.69% / 0.69%)] [0 / 0 (NA)]
NW NW = 871
[871 (0.32% / 0.32%)] [0 / 0 (NA)]
NNW NNW = 589
[589 (0.22% / 0.22%)] [0 / 0 (NA)]
N N = 808
[808 (0.30% / 0.30%)] [0 / 0 (NA)]

Missing observations (757 / 0.28%)

Wind Speed

0 m/s 0 m/s = 126,285
[126,285 (46.22% / 46.34%)] [126,285 / 272,497 (46.34%)]
1 m/s 1 m/s = 78,197
[78,197 (28.62% / 28.70%)] [204,482 / 146,212 (75.04%)]
2 m/s 2 m/s = 32,698
[32,698 (11.97% / 12.00%)] [237,180 / 68,015 (87.04%)]
3 m/s 3 m/s = 21,185
[21,185 (7.75% / 7.77%)] [258,365 / 35,317 (94.81%)]
4 m/s 4 m/s = 9,816
[9,816 (3.59% / 3.60%)] [268,181 / 14,132 (98.42%)]
5 m/s 5 m/s = 3,103
[3,103 (1.14% / 1.14%)] [271,284 / 4,316 (99.55%)]
6 m/s 6 m/s = 828
[828 (0.30% / 0.30%)] [272,112 / 1,213 (99.86%)]
7 m/s 7 m/s = 272
[272 (0.10% / 0.10%)] [272,384 / 385 (99.96%)]
8 m/s 8 m/s = 84
[84 (0.03% / 0.03%)] [272,468 / 113 (99.99%)]
9 m/s 9 m/s = 21
[21 (0.01% / 0.01%)] [272,489 / 29 (100.00%)]
10 m/s 10 m/s = 6
[6 (0.00% / 0.00%)] [272,495 / 8 (100.00%)]
12 m/s 12 m/s = 1
[1 (0.00% / 0.00%)] [272,496 / 2 (100.00%)]
13 m/s 13 m/s = 1
[1 (0.00% / 0.00%)] [272,497 / 1 (100.00%)]

Missing observations (719 / 0.26%)

Temperature

-12.0 C - -11.1 C -12.0 C - -11.1 C = 5
[5 (0.00% / 0.00%)] [5 / 272,585 (0.00%)]
-11.0 C - -10.1 C -11.0 C - -10.1 C = 13
[13 (0.00% / 0.00%)] [18 / 272,580 (0.01%)]
-10.0 C - -9.1 C -10.0 C - -9.1 C = 43
[43 (0.02% / 0.02%)] [61 / 272,567 (0.02%)]
-9.0 C - -8.1 C -9.0 C - -8.1 C = 230
[230 (0.08% / 0.08%)] [291 / 272,524 (0.11%)]
-8.0 C - -7.1 C -8.0 C - -7.1 C = 493
[493 (0.18% / 0.18%)] [784 / 272,294 (0.29%)]
-7.0 C - -6.1 C -7.0 C - -6.1 C = 1,022
[1,022 (0.37% / 0.37%)] [1,806 / 271,801 (0.66%)]
-6.0 C - -5.1 C -6.0 C - -5.1 C = 1,981
[1,981 (0.73% / 0.73%)] [3,787 / 270,779 (1.39%)]
-5.0 C - -4.1 C -5.0 C - -4.1 C = 3,252
[3,252 (1.19% / 1.19%)] [7,039 / 268,798 (2.58%)]
-4.0 C - -3.1 C -4.0 C - -3.1 C = 4,802
[4,802 (1.76% / 1.76%)] [11,841 / 265,546 (4.34%)]
-3.0 C - -2.1 C -3.0 C - -2.1 C = 6,774
[6,774 (2.48% / 2.49%)] [18,615 / 260,744 (6.83%)]
-2.0 C - -1.1 C -2.0 C - -1.1 C = 7,873
[7,873 (2.88% / 2.89%)] [26,488 / 253,970 (9.72%)]
-1.0 C - -0.1 C -1.0 C - -0.1 C = 8,182
[8,182 (2.99% / 3.00%)] [34,670 / 246,097 (12.72%)]
0.0 C - 0.9 C 0.0 C - 0.9 C = 8,705
[8,705 (3.19% / 3.19%)] [43,375 / 237,915 (15.91%)]
1.0 C - 1.9 C 1.0 C - 1.9 C = 7,856
[7,856 (2.88% / 2.88%)] [51,231 / 229,210 (18.79%)]
2.0 C - 2.9 C 2.0 C - 2.9 C = 7,801
[7,801 (2.86% / 2.86%)] [59,032 / 221,354 (21.66%)]
3.0 C - 3.9 C 3.0 C - 3.9 C = 7,924
[7,924 (2.90% / 2.91%)] [66,956 / 213,553 (24.56%)]
4.0 C - 4.9 C 4.0 C - 4.9 C = 8,133
[8,133 (2.98% / 2.98%)] [75,089 / 205,629 (27.55%)]
5.0 C - 5.9 C 5.0 C - 5.9 C = 8,132
[8,132 (2.98% / 2.98%)] [83,221 / 197,496 (30.53%)]
6.0 C - 6.9 C 6.0 C - 6.9 C = 8,204
[8,204 (3.00% / 3.01%)] [91,425 / 189,364 (33.54%)]
7.0 C - 7.9 C 7.0 C - 7.9 C = 8,151
[8,151 (2.98% / 2.99%)] [99,576 / 181,160 (36.53%)]
8.0 C - 8.9 C 8.0 C - 8.9 C = 8,056
[8,056 (2.95% / 2.96%)] [107,632 / 173,009 (39.49%)]
9.0 C - 9.9 C 9.0 C - 9.9 C = 8,058
[8,058 (2.95% / 2.96%)] [115,690 / 164,953 (42.44%)]
10.0 C - 10.9 C 10.0 C - 10.9 C = 8,309
[8,309 (3.04% / 3.05%)] [123,999 / 156,895 (45.49%)]
11.0 C - 11.9 C 11.0 C - 11.9 C = 8,503
[8,503 (3.11% / 3.12%)] [132,502 / 148,586 (48.61%)]
12.0 C - 12.9 C 12.0 C - 12.9 C = 8,364
[8,364 (3.06% / 3.07%)] [140,866 / 140,083 (51.68%)]
13.0 C - 13.9 C 13.0 C - 13.9 C = 8,932
[8,932 (3.27% / 3.28%)] [149,798 / 131,719 (54.95%)]
14.0 C - 14.9 C 14.0 C - 14.9 C = 8,926
[8,926 (3.27% / 3.27%)] [158,724 / 122,787 (58.23%)]
15.0 C - 15.9 C 15.0 C - 15.9 C = 8,941
[8,941 (3.27% / 3.28%)] [167,665 / 113,861 (61.51%)]
16.0 C - 16.9 C 16.0 C - 16.9 C = 9,570
[9,570 (3.50% / 3.51%)] [177,235 / 104,920 (65.02%)]
17.0 C - 17.9 C 17.0 C - 17.9 C = 10,117
[10,117 (3.70% / 3.71%)] [187,352 / 95,350 (68.73%)]
18.0 C - 18.9 C 18.0 C - 18.9 C = 10,618
[10,618 (3.89% / 3.90%)] [197,970 / 85,233 (72.63%)]
19.0 C - 19.9 C 19.0 C - 19.9 C = 10,867
[10,867 (3.98% / 3.99%)] [208,837 / 74,615 (76.61%)]
20.0 C - 20.9 C 20.0 C - 20.9 C = 11,007
[11,007 (4.03% / 4.04%)] [219,844 / 63,748 (80.65%)]
21.0 C - 21.9 C 21.0 C - 21.9 C = 11,078
[11,078 (4.05% / 4.06%)] [230,922 / 52,741 (84.72%)]
22.0 C - 22.9 C 22.0 C - 22.9 C = 9,508
[9,508 (3.48% / 3.49%)] [240,430 / 41,663 (88.20%)]
23.0 C - 23.9 C 23.0 C - 23.9 C = 7,313
[7,313 (2.68% / 2.68%)] [247,743 / 32,155 (90.89%)]
24.0 C - 24.9 C 24.0 C - 24.9 C = 5,314
[5,314 (1.94% / 1.95%)] [253,057 / 24,842 (92.84%)]
25.0 C - 25.9 C 25.0 C - 25.9 C = 4,268
[4,268 (1.56% / 1.57%)] [257,325 / 19,528 (94.40%)]
26.0 C - 26.9 C 26.0 C - 26.9 C = 3,532
[3,532 (1.29% / 1.30%)] [260,857 / 15,260 (95.70%)]
27.0 C - 27.9 C 27.0 C - 27.9 C = 2,829
[2,829 (1.04% / 1.04%)] [263,686 / 11,728 (96.74%)]
28.0 C - 28.9 C 28.0 C - 28.9 C = 2,438
[2,438 (0.89% / 0.89%)] [266,124 / 8,899 (97.63%)]
29.0 C - 29.9 C 29.0 C - 29.9 C = 1,965
[1,965 (0.72% / 0.72%)] [268,089 / 6,461 (98.35%)]
30.0 C - 30.9 C 30.0 C - 30.9 C = 1,436
[1,436 (0.53% / 0.53%)] [269,525 / 4,496 (98.88%)]
31.0 C - 31.9 C 31.0 C - 31.9 C = 1,118
[1,118 (0.41% / 0.41%)] [270,643 / 3,060 (99.29%)]
32.0 C - 32.9 C 32.0 C - 32.9 C = 815
[815 (0.30% / 0.30%)] [271,458 / 1,942 (99.59%)]
33.0 C - 33.9 C 33.0 C - 33.9 C = 571
[571 (0.21% / 0.21%)] [272,029 / 1,127 (99.80%)]
34.0 C - 34.9 C 34.0 C - 34.9 C = 333
[333 (0.12% / 0.12%)] [272,362 / 556 (99.92%)]
35.0 C - 35.9 C 35.0 C - 35.9 C = 155
[155 (0.06% / 0.06%)] [272,517 / 223 (99.98%)]
36.0 C - 36.9 C 36.0 C - 36.9 C = 54
[54 (0.02% / 0.02%)] [272,571 / 68 (99.99%)]
37.0 C - 37.9 C 37.0 C - 37.9 C = 8
[8 (0.00% / 0.00%)] [272,579 / 14 (100.00%)]
38.0 C - 38.9 C 38.0 C - 38.9 C = 6
[6 (0.00% / 0.00%)] [272,585 / 6 (100.00%)]

Missing observations (631 / 0.23%)

Sunshine Duration

0.0 h 0.0 h = 199,951
[199,951 (73.18% / 73.36%)] [199,951 / 272,553 (73.36%)]
0.1 h 0.1 h = 5,414
[5,414 (1.98% / 1.99%)] [205,365 / 72,602 (75.35%)]
0.2 h 0.2 h = 4,286
[4,286 (1.57% / 1.57%)] [209,651 / 67,188 (76.92%)]
0.3 h 0.3 h = 3,994
[3,994 (1.46% / 1.47%)] [213,645 / 62,902 (78.39%)]
0.4 h 0.4 h = 3,619
[3,619 (1.32% / 1.33%)] [217,264 / 58,908 (79.71%)]
0.5 h 0.5 h = 3,456
[3,456 (1.26% / 1.27%)] [220,720 / 55,289 (80.98%)]
0.6 h 0.6 h = 3,629
[3,629 (1.33% / 1.33%)] [224,349 / 51,833 (82.31%)]
0.7 h 0.7 h = 3,802
[3,802 (1.39% / 1.39%)] [228,151 / 48,204 (83.71%)]
0.8 h 0.8 h = 4,138
[4,138 (1.51% / 1.52%)] [232,289 / 44,402 (85.23%)]
0.9 h 0.9 h = 5,670
[5,670 (2.08% / 2.08%)] [237,959 / 40,264 (87.31%)]
1.0 h 1.0 h = 34,594
[34,594 (12.66% / 12.69%)] [272,553 / 34,594 (100.00%)]

Missing observations (663 / 0.24%)