Station Number 41171
Prefecture Tochigi [ Local Portal ]
Location 栃木県日光市瀬川 (NIKKO SHI, TOCHIGI KEN)
Months of Observations 441
Number of Observations 321,291
Period of Observations
Period Name Lat. Long. Height Anemometer
1978/12/21 -- 1987/04/21 IMAICHI 36.727N 139.677E 414m 9.4m
1987/04/22 -- 2008/02/25 IMAICHI 36.727N 139.677E 414m 9.4m
2008/02/26 -- 2010/01/20 IMAICHI 36.727N 139.677E 414m 9.4m
2010/01/21 -- 2015/08/99 IMAICHI 36.727N 139.677E 414m 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
41271 KANUMA (Tochigi) 15.85km 160deg.
41166 OKUNIKKO (Tochigi) 15.86km 274deg.
41910 OKUNIKKO (Tochigi) 15.86km 274deg.
41216 HOSAIZAN (Tochigi) 18.55km 234deg.
41181 SHIOYA (Tochigi) 18.70km 79deg.
41116 DOROBU (Tochigi) 20.73km 332deg.
41905 DOROBU (Tochigi) 20.83km 332deg.
41076 IKARI (Tochigi) 21.70km 4deg.
41211 ASHIO (Tochigi) 22.31km 246deg.
41081 HAPPOGAHARA (Tochigi) 25.54km 32deg.
41276 UTSUNOMIYA (Tochigi) 26.20km 139deg.
41277 UTSUNOMIYA (Tochigi) 26.20km 139deg.
41915 UTSUNOMIYA (Tochigi) 26.20km 139deg.

Statistics for the Whole Period

Precipitation

0.0mm - 0.4mm 0.0mm - 0.4mm = 294,523
[294,523 (91.67% / 91.80%)] [294,523 / 320,821 (91.80%)]
0.5mm - 1.4mm 0.5mm - 1.4mm = 13,362
[13,362 (4.16% / 4.16%)] [307,885 / 26,298 (95.97%)]
1.5mm - 2.4mm 1.5mm - 2.4mm = 5,125
[5,125 (1.60% / 1.60%)] [313,010 / 12,936 (97.57%)]
2.5mm - 3.4mm 2.5mm - 3.4mm = 2,632
[2,632 (0.82% / 0.82%)] [315,642 / 7,811 (98.39%)]
3.5mm - 4.4mm 3.5mm - 4.4mm = 1,542
[1,542 (0.48% / 0.48%)] [317,184 / 5,179 (98.87%)]
4.5mm - 5.4mm 4.5mm - 5.4mm = 955
[955 (0.30% / 0.30%)] [318,139 / 3,637 (99.16%)]
5.5mm - 6.4mm 5.5mm - 6.4mm = 623
[623 (0.19% / 0.19%)] [318,762 / 2,682 (99.36%)]
6.5mm - 7.4mm 6.5mm - 7.4mm = 440
[440 (0.14% / 0.14%)] [319,202 / 2,059 (99.50%)]
7.5mm - 8.4mm 7.5mm - 8.4mm = 324
[324 (0.10% / 0.10%)] [319,526 / 1,619 (99.60%)]
8.5mm - 9.4mm 8.5mm - 9.4mm = 218
[218 (0.07% / 0.07%)] [319,744 / 1,295 (99.66%)]
9.5mm - 10.4mm 9.5mm - 10.4mm = 186
[186 (0.06% / 0.06%)] [319,930 / 1,077 (99.72%)]
10.5mm - 11.4mm 10.5mm - 11.4mm = 135
[135 (0.04% / 0.04%)] [320,065 / 891 (99.76%)]
11.5mm - 12.4mm 11.5mm - 12.4mm = 107
[107 (0.03% / 0.03%)] [320,172 / 756 (99.80%)]
12.5mm - 13.4mm 12.5mm - 13.4mm = 90
[90 (0.03% / 0.03%)] [320,262 / 649 (99.83%)]
13.5mm - 14.4mm 13.5mm - 14.4mm = 82
[82 (0.03% / 0.03%)] [320,344 / 559 (99.85%)]
14.5mm - 15.4mm 14.5mm - 15.4mm = 62
[62 (0.02% / 0.02%)] [320,406 / 477 (99.87%)]
15.5mm - 16.4mm 15.5mm - 16.4mm = 55
[55 (0.02% / 0.02%)] [320,461 / 415 (99.89%)]
16.5mm - 17.4mm 16.5mm - 17.4mm = 44
[44 (0.01% / 0.01%)] [320,505 / 360 (99.90%)]
17.5mm - 18.4mm 17.5mm - 18.4mm = 34
[34 (0.01% / 0.01%)] [320,539 / 316 (99.91%)]
18.5mm - 19.4mm 18.5mm - 19.4mm = 38
[38 (0.01% / 0.01%)] [320,577 / 282 (99.92%)]
19.5mm - 20.4mm 19.5mm - 20.4mm = 36
[36 (0.01% / 0.01%)] [320,613 / 244 (99.94%)]
20.5mm - 21.4mm 20.5mm - 21.4mm = 25
[25 (0.01% / 0.01%)] [320,638 / 208 (99.94%)]
21.5mm - 22.4mm 21.5mm - 22.4mm = 18
[18 (0.01% / 0.01%)] [320,656 / 183 (99.95%)]
22.5mm - 23.4mm 22.5mm - 23.4mm = 17
[17 (0.01% / 0.01%)] [320,673 / 165 (99.95%)]
23.5mm - 24.4mm 23.5mm - 24.4mm = 15
[15 (0.00% / 0.00%)] [320,688 / 148 (99.96%)]
24.5mm - 25.4mm 24.5mm - 25.4mm = 11
[11 (0.00% / 0.00%)] [320,699 / 133 (99.96%)]
25.5mm - 26.4mm 25.5mm - 26.4mm = 10
[10 (0.00% / 0.00%)] [320,709 / 122 (99.97%)]
26.5mm - 27.4mm 26.5mm - 27.4mm = 17
[17 (0.01% / 0.01%)] [320,726 / 112 (99.97%)]
27.5mm - 28.4mm 27.5mm - 28.4mm = 9
[9 (0.00% / 0.00%)] [320,735 / 95 (99.97%)]
28.5mm - 29.4mm 28.5mm - 29.4mm = 11
[11 (0.00% / 0.00%)] [320,746 / 86 (99.98%)]
29.5mm - 30.4mm 29.5mm - 30.4mm = 9
[9 (0.00% / 0.00%)] [320,755 / 75 (99.98%)]
30.5mm - 31.4mm 30.5mm - 31.4mm = 8
[8 (0.00% / 0.00%)] [320,763 / 66 (99.98%)]
31.5mm - 32.4mm 31.5mm - 32.4mm = 6
[6 (0.00% / 0.00%)] [320,769 / 58 (99.98%)]
32.5mm - 33.4mm 32.5mm - 33.4mm = 5
[5 (0.00% / 0.00%)] [320,774 / 52 (99.99%)]
33.5mm - 34.4mm 33.5mm - 34.4mm = 4
[4 (0.00% / 0.00%)] [320,778 / 47 (99.99%)]
34.5mm - 35.4mm 34.5mm - 35.4mm = 6
[6 (0.00% / 0.00%)] [320,784 / 43 (99.99%)]
35.5mm - 36.4mm 35.5mm - 36.4mm = 3
[3 (0.00% / 0.00%)] [320,787 / 37 (99.99%)]
36.5mm - 37.4mm 36.5mm - 37.4mm = 4
[4 (0.00% / 0.00%)] [320,791 / 34 (99.99%)]
37.5mm - 38.4mm 37.5mm - 38.4mm = 4
[4 (0.00% / 0.00%)] [320,795 / 30 (99.99%)]
38.5mm - 39.4mm 38.5mm - 39.4mm = 4
[4 (0.00% / 0.00%)] [320,799 / 26 (99.99%)]
40.5mm - 41.4mm 40.5mm - 41.4mm = 1
[1 (0.00% / 0.00%)] [320,800 / 22 (99.99%)]
41.5mm - 42.4mm 41.5mm - 42.4mm = 2
[2 (0.00% / 0.00%)] [320,802 / 21 (99.99%)]
42.5mm - 43.4mm 42.5mm - 43.4mm = 1
[1 (0.00% / 0.00%)] [320,803 / 19 (99.99%)]
44.5mm - 45.4mm 44.5mm - 45.4mm = 2
[2 (0.00% / 0.00%)] [320,805 / 18 (100.00%)]
46.5mm - 47.4mm 46.5mm - 47.4mm = 2
[2 (0.00% / 0.00%)] [320,807 / 16 (100.00%)]
47.5mm - 48.4mm 47.5mm - 48.4mm = 1
[1 (0.00% / 0.00%)] [320,808 / 14 (100.00%)]
49.5mm - 50.4mm 49.5mm - 50.4mm = 1
[1 (0.00% / 0.00%)] [320,809 / 13 (100.00%)]
50.5mm - 51.4mm 50.5mm - 51.4mm = 2
[2 (0.00% / 0.00%)] [320,811 / 12 (100.00%)]
51.5mm - 52.4mm 51.5mm - 52.4mm = 2
[2 (0.00% / 0.00%)] [320,813 / 10 (100.00%)]
55.5mm - 56.4mm 55.5mm - 56.4mm = 1
[1 (0.00% / 0.00%)] [320,814 / 8 (100.00%)]
56.5mm - 57.4mm 56.5mm - 57.4mm = 3
[3 (0.00% / 0.00%)] [320,817 / 7 (100.00%)]
60.5mm - 61.4mm 60.5mm - 61.4mm = 1
[1 (0.00% / 0.00%)] [320,818 / 4 (100.00%)]
65.5mm - 66.4mm 65.5mm - 66.4mm = 1
[1 (0.00% / 0.00%)] [320,819 / 3 (100.00%)]
69.5mm - 70.4mm 69.5mm - 70.4mm = 1
[1 (0.00% / 0.00%)] [320,820 / 2 (100.00%)]
74.5mm - 75.4mm 74.5mm - 75.4mm = 1
[1 (0.00% / 0.00%)] [320,821 / 1 (100.00%)]

Missing observations (470 / 0.15%)

Wind Direction

Calm Calm = 77,802
[77,802 (24.22% / 24.28%)] [0 / 0 (NA)]
NNE NNE = 4,886
[4,886 (1.52% / 1.52%)] [0 / 0 (NA)]
NE NE = 6,776
[6,776 (2.11% / 2.11%)] [0 / 0 (NA)]
ENE ENE = 8,773
[8,773 (2.73% / 2.74%)] [0 / 0 (NA)]
E E = 14,539
[14,539 (4.53% / 4.54%)] [0 / 0 (NA)]
ESE ESE = 19,591
[19,591 (6.10% / 6.11%)] [0 / 0 (NA)]
SE SE = 24,240
[24,240 (7.54% / 7.57%)] [0 / 0 (NA)]
SSE SSE = 21,531
[21,531 (6.70% / 6.72%)] [0 / 0 (NA)]
S S = 12,199
[12,199 (3.80% / 3.81%)] [0 / 0 (NA)]
SSW SSW = 5,655
[5,655 (1.76% / 1.76%)] [0 / 0 (NA)]
SW SW = 5,234
[5,234 (1.63% / 1.63%)] [0 / 0 (NA)]
WSW WSW = 10,974
[10,974 (3.42% / 3.42%)] [0 / 0 (NA)]
W W = 36,917
[36,917 (11.49% / 11.52%)] [0 / 0 (NA)]
WNW WNW = 46,637
[46,637 (14.52% / 14.55%)] [0 / 0 (NA)]
NW NW = 16,620
[16,620 (5.17% / 5.19%)] [0 / 0 (NA)]
NNW NNW = 4,733
[4,733 (1.47% / 1.48%)] [0 / 0 (NA)]
N N = 3,315
[3,315 (1.03% / 1.03%)] [0 / 0 (NA)]

Missing observations (869 / 0.27%)

Wind Speed

0.0m/s - 0.4m/s 0.0m/s - 0.4m/s = 82,629
[82,629 (25.72% / 25.78%)] [82,629 / 320,507 (25.78%)]
0.5m/s - 1.4m/s 0.5m/s - 1.4m/s = 155,670
[155,670 (48.45% / 48.57%)] [238,299 / 237,878 (74.35%)]
1.5m/s - 2.4m/s 1.5m/s - 2.4m/s = 68,481
[68,481 (21.31% / 21.37%)] [306,780 / 82,208 (95.72%)]
2.5m/s - 3.4m/s 2.5m/s - 3.4m/s = 10,672
[10,672 (3.32% / 3.33%)] [317,452 / 13,727 (99.05%)]
3.5m/s - 4.4m/s 3.5m/s - 4.4m/s = 1,911
[1,911 (0.59% / 0.60%)] [319,363 / 3,055 (99.64%)]
4.5m/s - 5.4m/s 4.5m/s - 5.4m/s = 699
[699 (0.22% / 0.22%)] [320,062 / 1,144 (99.86%)]
5.5m/s - 6.4m/s 5.5m/s - 6.4m/s = 283
[283 (0.09% / 0.09%)] [320,345 / 445 (99.95%)]
6.5m/s - 7.4m/s 6.5m/s - 7.4m/s = 110
[110 (0.03% / 0.03%)] [320,455 / 162 (99.98%)]
7.5m/s - 8.4m/s 7.5m/s - 8.4m/s = 33
[33 (0.01% / 0.01%)] [320,488 / 52 (99.99%)]
8.5m/s - 9.4m/s 8.5m/s - 9.4m/s = 9
[9 (0.00% / 0.00%)] [320,497 / 19 (100.00%)]
9.5m/s - 10.4m/s 9.5m/s - 10.4m/s = 8
[8 (0.00% / 0.00%)] [320,505 / 10 (100.00%)]
10.5m/s - 11.4m/s 10.5m/s - 11.4m/s = 1
[1 (0.00% / 0.00%)] [320,506 / 2 (100.00%)]
11.5m/s - 12.4m/s 11.5m/s - 12.4m/s = 1
[1 (0.00% / 0.00%)] [320,507 / 1 (100.00%)]

Missing observations (784 / 0.24%)

Temperature

-11.5C - -10.6C -11.5C - -10.6C = 2
[2 (0.00% / 0.00%)] [2 / 320,703 (0.00%)]
-10.5C - -9.6C -10.5C - -9.6C = 13
[13 (0.00% / 0.00%)] [15 / 320,701 (0.00%)]
-9.5C - -8.6C -9.5C - -8.6C = 50
[50 (0.02% / 0.02%)] [65 / 320,688 (0.02%)]
-8.5C - -7.6C -8.5C - -7.6C = 202
[202 (0.06% / 0.06%)] [267 / 320,638 (0.08%)]
-7.5C - -6.6C -7.5C - -6.6C = 406
[406 (0.13% / 0.13%)] [673 / 320,436 (0.21%)]
-6.5C - -5.6C -6.5C - -5.6C = 811
[811 (0.25% / 0.25%)] [1,484 / 320,030 (0.46%)]
-5.5C - -4.6C -5.5C - -4.6C = 1,465
[1,465 (0.46% / 0.46%)] [2,949 / 319,219 (0.92%)]
-4.5C - -3.6C -4.5C - -3.6C = 2,640
[2,640 (0.82% / 0.82%)] [5,589 / 317,754 (1.74%)]
-3.5C - -2.6C -3.5C - -2.6C = 4,238
[4,238 (1.32% / 1.32%)] [9,827 / 315,114 (3.06%)]
-2.5C - -1.6C -2.5C - -1.6C = 6,204
[6,204 (1.93% / 1.93%)] [16,031 / 310,876 (5.00%)]
-1.5C - -0.6C -1.5C - -0.6C = 8,792
[8,792 (2.74% / 2.74%)] [24,823 / 304,672 (7.74%)]
-0.5C - 0.4C -0.5C - 0.4C = 19,883
[19,883 (6.19% / 6.20%)] [44,706 / 295,880 (13.94%)]
0.5C - 1.4C 0.5C - 1.4C = 10,840
[10,840 (3.37% / 3.38%)] [55,546 / 275,997 (17.32%)]
1.5C - 2.4C 1.5C - 2.4C = 10,283
[10,283 (3.20% / 3.21%)] [65,829 / 265,157 (20.53%)]
2.5C - 3.4C 2.5C - 3.4C = 10,237
[10,237 (3.19% / 3.19%)] [76,066 / 254,874 (23.72%)]
3.5C - 4.4C 3.5C - 4.4C = 10,268
[10,268 (3.20% / 3.20%)] [86,334 / 244,637 (26.92%)]
4.5C - 5.4C 4.5C - 5.4C = 10,277
[10,277 (3.20% / 3.20%)] [96,611 / 234,369 (30.12%)]
5.5C - 6.4C 5.5C - 6.4C = 9,739
[9,739 (3.03% / 3.04%)] [106,350 / 224,092 (33.16%)]
6.5C - 7.4C 6.5C - 7.4C = 9,516
[9,516 (2.96% / 2.97%)] [115,866 / 214,353 (36.13%)]
7.5C - 8.4C 7.5C - 8.4C = 9,427
[9,427 (2.93% / 2.94%)] [125,293 / 204,837 (39.07%)]
8.5C - 9.4C 8.5C - 9.4C = 9,264
[9,264 (2.88% / 2.89%)] [134,557 / 195,410 (41.96%)]
9.5C - 10.4C 9.5C - 10.4C = 9,742
[9,742 (3.03% / 3.04%)] [144,299 / 186,146 (44.99%)]
10.5C - 11.4C 10.5C - 11.4C = 9,614
[9,614 (2.99% / 3.00%)] [153,913 / 176,404 (47.99%)]
11.5C - 12.4C 11.5C - 12.4C = 10,281
[10,281 (3.20% / 3.21%)] [164,194 / 166,790 (51.20%)]
12.5C - 13.4C 12.5C - 13.4C = 10,479
[10,479 (3.26% / 3.27%)] [174,673 / 156,509 (54.47%)]
13.5C - 14.4C 13.5C - 14.4C = 10,860
[10,860 (3.38% / 3.39%)] [185,533 / 146,030 (57.85%)]
14.5C - 15.4C 14.5C - 15.4C = 11,681
[11,681 (3.64% / 3.64%)] [197,214 / 135,170 (61.49%)]
15.5C - 16.4C 15.5C - 16.4C = 11,990
[11,990 (3.73% / 3.74%)] [209,204 / 123,489 (65.23%)]
16.5C - 17.4C 16.5C - 17.4C = 12,114
[12,114 (3.77% / 3.78%)] [221,318 / 111,499 (69.01%)]
17.5C - 18.4C 17.5C - 18.4C = 13,131
[13,131 (4.09% / 4.09%)] [234,449 / 99,385 (73.10%)]
18.5C - 19.4C 18.5C - 19.4C = 12,451
[12,451 (3.88% / 3.88%)] [246,900 / 86,254 (76.99%)]
19.5C - 20.4C 19.5C - 20.4C = 12,360
[12,360 (3.85% / 3.85%)] [259,260 / 73,803 (80.84%)]
20.5C - 21.4C 20.5C - 21.4C = 12,571
[12,571 (3.91% / 3.92%)] [271,831 / 61,443 (84.76%)]
21.5C - 22.4C 21.5C - 22.4C = 11,594
[11,594 (3.61% / 3.62%)] [283,425 / 48,872 (88.38%)]
22.5C - 23.4C 22.5C - 23.4C = 9,852
[9,852 (3.07% / 3.07%)] [293,277 / 37,278 (91.45%)]
23.5C - 24.4C 23.5C - 24.4C = 7,267
[7,267 (2.26% / 2.27%)] [300,544 / 27,426 (93.71%)]
24.5C - 25.4C 24.5C - 25.4C = 5,367
[5,367 (1.67% / 1.67%)] [305,911 / 20,159 (95.39%)]
25.5C - 26.4C 25.5C - 26.4C = 4,160
[4,160 (1.29% / 1.30%)] [310,071 / 14,792 (96.68%)]
26.5C - 27.4C 26.5C - 27.4C = 3,428
[3,428 (1.07% / 1.07%)] [313,499 / 10,632 (97.75%)]
27.5C - 28.4C 27.5C - 28.4C = 2,670
[2,670 (0.83% / 0.83%)] [316,169 / 7,204 (98.59%)]
28.5C - 29.4C 28.5C - 29.4C = 1,920
[1,920 (0.60% / 0.60%)] [318,089 / 4,534 (99.18%)]
29.5C - 30.4C 29.5C - 30.4C = 1,343
[1,343 (0.42% / 0.42%)] [319,432 / 2,614 (99.60%)]
30.5C - 31.4C 30.5C - 31.4C = 824
[824 (0.26% / 0.26%)] [320,256 / 1,271 (99.86%)]
31.5C - 32.4C 31.5C - 32.4C = 350
[350 (0.11% / 0.11%)] [320,606 / 447 (99.97%)]
32.5C - 33.4C 32.5C - 33.4C = 83
[83 (0.03% / 0.03%)] [320,689 / 97 (100.00%)]
33.5C - 34.4C 33.5C - 34.4C = 11
[11 (0.00% / 0.00%)] [320,700 / 14 (100.00%)]
34.5C - 35.4C 34.5C - 35.4C = 2
[2 (0.00% / 0.00%)] [320,702 / 3 (100.00%)]
35.5C - 36.4C 35.5C - 36.4C = 1
[1 (0.00% / 0.00%)] [320,703 / 1 (100.00%)]

Missing observations (588 / 0.18%)

Sunshine Duration

0.0h 0.0h = 229,901
[229,901 (71.56% / 71.64%)] [229,901 / 320,892 (71.64%)]
0.1h 0.1h = 7,541
[7,541 (2.35% / 2.35%)] [237,442 / 90,991 (73.99%)]
0.2h 0.2h = 5,616
[5,616 (1.75% / 1.75%)] [243,058 / 83,450 (75.74%)]
0.3h 0.3h = 5,136
[5,136 (1.60% / 1.60%)] [248,194 / 77,834 (77.35%)]
0.4h 0.4h = 4,710
[4,710 (1.47% / 1.47%)] [252,904 / 72,698 (78.81%)]
0.5h 0.5h = 4,652
[4,652 (1.45% / 1.45%)] [257,556 / 67,988 (80.26%)]
0.6h 0.6h = 4,636
[4,636 (1.44% / 1.44%)] [262,192 / 63,336 (81.71%)]
0.7h 0.7h = 4,785
[4,785 (1.49% / 1.49%)] [266,977 / 58,700 (83.20%)]
0.8h 0.8h = 5,335
[5,335 (1.66% / 1.66%)] [272,312 / 53,915 (84.86%)]
0.9h 0.9h = 7,006
[7,006 (2.18% / 2.18%)] [279,318 / 48,580 (87.04%)]
1.0h 1.0h = 41,574
[41,574 (12.94% / 12.96%)] [320,892 / 41,574 (100.00%)]

Missing observations (399 / 0.12%)