Station Number 49161
Prefecture Yamanashi [ Local Portal ]
Location 山梨県大月市大月 (OTSUKI SHI, YAMANASHI KEN)
Months of Observations 472
Number of Observations 344,578
Period of Observations
Period Name Lat. Long. Height Anemometer
1974/11/01 -- 1977/12/21 OTSUKI 35.608N 138.938E 364m 0.0m
1977/12/22 -- 1986/10/30 OTSUKI 35.608N 138.938E 364m 6.5m
1986/10/31 -- 2006/12/11 OTSUKI 35.608N 138.938E 364m 6.5m
2006/12/12 -- 2010/02/15 OTSUKI 35.608N 138.938E 364m 6.5m
2010/02/16 -- 2015/08/99 OTSUKI 35.608N 138.938E 364m 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
49172 UENOHARA (Yamanashi) 15.19km 84deg.
49171 UENOHARA (Yamanashi) 15.93km 84deg.
49106 DAIBOSATSU (Yamanashi) 16.80km 327deg.
49251 KAWAGUCHI-KO (Yamanashi) 20.10km 233deg.
49905 KAWAGUCHIKO (Yamanashi) 20.10km 233deg.
49151 KATSUNUMA (Yamanashi) 20.23km 287deg.
49256 YAMANAKA (Yamanashi) 21.07km 205deg.
44051 OZAWA (Tokyo) 21.89km 49deg.
44046 OGOCHI (Tokyo) 22.79km 26deg.
46001 SAGAMIKO (Kanagawa) 23.11km 88deg.
46076 TANZAWAKO (Kanagawa) 23.94km 156deg.

Statistics for the Whole Period

Precipitation

0.0mm - 0.4mm 0.0mm - 0.4mm = 321,016
[321,016 (93.16% / 93.53%)] [321,016 / 343,221 (93.53%)]
0.5mm - 1.4mm 0.5mm - 1.4mm = 11,855
[11,855 (3.44% / 3.45%)] [332,871 / 22,205 (96.98%)]
1.5mm - 2.4mm 1.5mm - 2.4mm = 4,275
[4,275 (1.24% / 1.25%)] [337,146 / 10,350 (98.23%)]
2.5mm - 3.4mm 2.5mm - 3.4mm = 2,100
[2,100 (0.61% / 0.61%)] [339,246 / 6,075 (98.84%)]
3.5mm - 4.4mm 3.5mm - 4.4mm = 1,196
[1,196 (0.35% / 0.35%)] [340,442 / 3,975 (99.19%)]
4.5mm - 5.4mm 4.5mm - 5.4mm = 773
[773 (0.22% / 0.23%)] [341,215 / 2,779 (99.42%)]
5.5mm - 6.4mm 5.5mm - 6.4mm = 473
[473 (0.14% / 0.14%)] [341,688 / 2,006 (99.55%)]
6.5mm - 7.4mm 6.5mm - 7.4mm = 354
[354 (0.10% / 0.10%)] [342,042 / 1,533 (99.66%)]
7.5mm - 8.4mm 7.5mm - 8.4mm = 266
[266 (0.08% / 0.08%)] [342,308 / 1,179 (99.73%)]
8.5mm - 9.4mm 8.5mm - 9.4mm = 194
[194 (0.06% / 0.06%)] [342,502 / 913 (99.79%)]
9.5mm - 10.4mm 9.5mm - 10.4mm = 116
[116 (0.03% / 0.03%)] [342,618 / 719 (99.82%)]
10.5mm - 11.4mm 10.5mm - 11.4mm = 113
[113 (0.03% / 0.03%)] [342,731 / 603 (99.86%)]
11.5mm - 12.4mm 11.5mm - 12.4mm = 88
[88 (0.03% / 0.03%)] [342,819 / 490 (99.88%)]
12.5mm - 13.4mm 12.5mm - 13.4mm = 44
[44 (0.01% / 0.01%)] [342,863 / 402 (99.90%)]
13.5mm - 14.4mm 13.5mm - 14.4mm = 45
[45 (0.01% / 0.01%)] [342,908 / 358 (99.91%)]
14.5mm - 15.4mm 14.5mm - 15.4mm = 42
[42 (0.01% / 0.01%)] [342,950 / 313 (99.92%)]
15.5mm - 16.4mm 15.5mm - 16.4mm = 38
[38 (0.01% / 0.01%)] [342,988 / 271 (99.93%)]
16.5mm - 17.4mm 16.5mm - 17.4mm = 28
[28 (0.01% / 0.01%)] [343,016 / 233 (99.94%)]
17.5mm - 18.4mm 17.5mm - 18.4mm = 29
[29 (0.01% / 0.01%)] [343,045 / 205 (99.95%)]
18.5mm - 19.4mm 18.5mm - 19.4mm = 18
[18 (0.01% / 0.01%)] [343,063 / 176 (99.95%)]
19.5mm - 20.4mm 19.5mm - 20.4mm = 24
[24 (0.01% / 0.01%)] [343,087 / 158 (99.96%)]
20.5mm - 21.4mm 20.5mm - 21.4mm = 17
[17 (0.00% / 0.00%)] [343,104 / 134 (99.97%)]
21.5mm - 22.4mm 21.5mm - 22.4mm = 18
[18 (0.01% / 0.01%)] [343,122 / 117 (99.97%)]
22.5mm - 23.4mm 22.5mm - 23.4mm = 14
[14 (0.00% / 0.00%)] [343,136 / 99 (99.98%)]
23.5mm - 24.4mm 23.5mm - 24.4mm = 13
[13 (0.00% / 0.00%)] [343,149 / 85 (99.98%)]
24.5mm - 25.4mm 24.5mm - 25.4mm = 3
[3 (0.00% / 0.00%)] [343,152 / 72 (99.98%)]
25.5mm - 26.4mm 25.5mm - 26.4mm = 6
[6 (0.00% / 0.00%)] [343,158 / 69 (99.98%)]
26.5mm - 27.4mm 26.5mm - 27.4mm = 5
[5 (0.00% / 0.00%)] [343,163 / 63 (99.98%)]
27.5mm - 28.4mm 27.5mm - 28.4mm = 9
[9 (0.00% / 0.00%)] [343,172 / 58 (99.99%)]
28.5mm - 29.4mm 28.5mm - 29.4mm = 3
[3 (0.00% / 0.00%)] [343,175 / 49 (99.99%)]
29.5mm - 30.4mm 29.5mm - 30.4mm = 9
[9 (0.00% / 0.00%)] [343,184 / 46 (99.99%)]
30.5mm - 31.4mm 30.5mm - 31.4mm = 3
[3 (0.00% / 0.00%)] [343,187 / 37 (99.99%)]
31.5mm - 32.4mm 31.5mm - 32.4mm = 3
[3 (0.00% / 0.00%)] [343,190 / 34 (99.99%)]
32.5mm - 33.4mm 32.5mm - 33.4mm = 5
[5 (0.00% / 0.00%)] [343,195 / 31 (99.99%)]
33.5mm - 34.4mm 33.5mm - 34.4mm = 1
[1 (0.00% / 0.00%)] [343,196 / 26 (99.99%)]
34.5mm - 35.4mm 34.5mm - 35.4mm = 3
[3 (0.00% / 0.00%)] [343,199 / 25 (99.99%)]
35.5mm - 36.4mm 35.5mm - 36.4mm = 2
[2 (0.00% / 0.00%)] [343,201 / 22 (99.99%)]
36.5mm - 37.4mm 36.5mm - 37.4mm = 2
[2 (0.00% / 0.00%)] [343,203 / 20 (99.99%)]
38.5mm - 39.4mm 38.5mm - 39.4mm = 2
[2 (0.00% / 0.00%)] [343,205 / 18 (100.00%)]
39.5mm - 40.4mm 39.5mm - 40.4mm = 2
[2 (0.00% / 0.00%)] [343,207 / 16 (100.00%)]
40.5mm - 41.4mm 40.5mm - 41.4mm = 1
[1 (0.00% / 0.00%)] [343,208 / 14 (100.00%)]
41.5mm - 42.4mm 41.5mm - 42.4mm = 2
[2 (0.00% / 0.00%)] [343,210 / 13 (100.00%)]
42.5mm - 43.4mm 42.5mm - 43.4mm = 2
[2 (0.00% / 0.00%)] [343,212 / 11 (100.00%)]
44.5mm - 45.4mm 44.5mm - 45.4mm = 3
[3 (0.00% / 0.00%)] [343,215 / 9 (100.00%)]
45.5mm - 46.4mm 45.5mm - 46.4mm = 1
[1 (0.00% / 0.00%)] [343,216 / 6 (100.00%)]
47.5mm - 48.4mm 47.5mm - 48.4mm = 1
[1 (0.00% / 0.00%)] [343,217 / 5 (100.00%)]
48.5mm - 49.4mm 48.5mm - 49.4mm = 1
[1 (0.00% / 0.00%)] [343,218 / 4 (100.00%)]
49.5mm - 50.4mm 49.5mm - 50.4mm = 1
[1 (0.00% / 0.00%)] [343,219 / 3 (100.00%)]
54.5mm - 55.4mm 54.5mm - 55.4mm = 1
[1 (0.00% / 0.00%)] [343,220 / 2 (100.00%)]
66.5mm - 67.4mm 66.5mm - 67.4mm = 1
[1 (0.00% / 0.00%)] [343,221 / 1 (100.00%)]

Missing observations (1,357 / 0.39%)

Wind Direction

Calm Calm = 95,027
[95,027 (27.58% / 28.82%)] [0 / 0 (NA)]
NNE NNE = 26,939
[26,939 (7.82% / 8.17%)] [0 / 0 (NA)]
NE NE = 45,514
[45,514 (13.21% / 13.80%)] [0 / 0 (NA)]
ENE ENE = 9,103
[9,103 (2.64% / 2.76%)] [0 / 0 (NA)]
E E = 1,733
[1,733 (0.50% / 0.53%)] [0 / 0 (NA)]
ESE ESE = 1,272
[1,272 (0.37% / 0.39%)] [0 / 0 (NA)]
SE SE = 2,340
[2,340 (0.68% / 0.71%)] [0 / 0 (NA)]
SSE SSE = 23,770
[23,770 (6.90% / 7.21%)] [0 / 0 (NA)]
S S = 60,237
[60,237 (17.48% / 18.27%)] [0 / 0 (NA)]
SSW SSW = 35,150
[35,150 (10.20% / 10.66%)] [0 / 0 (NA)]
SW SW = 11,126
[11,126 (3.23% / 3.37%)] [0 / 0 (NA)]
WSW WSW = 2,926
[2,926 (0.85% / 0.89%)] [0 / 0 (NA)]
W W = 1,566
[1,566 (0.45% / 0.47%)] [0 / 0 (NA)]
WNW WNW = 1,211
[1,211 (0.35% / 0.37%)] [0 / 0 (NA)]
NW NW = 1,439
[1,439 (0.42% / 0.44%)] [0 / 0 (NA)]
NNW NNW = 3,475
[3,475 (1.01% / 1.05%)] [0 / 0 (NA)]
N N = 6,929
[6,929 (2.01% / 2.10%)] [0 / 0 (NA)]

Missing observations (14,821 / 4.30%)

Wind Speed

0.0m/s - 0.4m/s 0.0m/s - 0.4m/s = 98,634
[98,634 (28.62% / 29.91%)] [98,634 / 329,764 (29.91%)]
0.5m/s - 1.4m/s 0.5m/s - 1.4m/s = 151,296
[151,296 (43.91% / 45.88%)] [249,930 / 231,130 (75.79%)]
1.5m/s - 2.4m/s 1.5m/s - 2.4m/s = 51,477
[51,477 (14.94% / 15.61%)] [301,407 / 79,834 (91.40%)]
2.5m/s - 3.4m/s 2.5m/s - 3.4m/s = 19,221
[19,221 (5.58% / 5.83%)] [320,628 / 28,357 (97.23%)]
3.5m/s - 4.4m/s 3.5m/s - 4.4m/s = 7,167
[7,167 (2.08% / 2.17%)] [327,795 / 9,136 (99.40%)]
4.5m/s - 5.4m/s 4.5m/s - 5.4m/s = 1,653
[1,653 (0.48% / 0.50%)] [329,448 / 1,969 (99.90%)]
5.5m/s - 6.4m/s 5.5m/s - 6.4m/s = 271
[271 (0.08% / 0.08%)] [329,719 / 316 (99.99%)]
6.5m/s - 7.4m/s 6.5m/s - 7.4m/s = 40
[40 (0.01% / 0.01%)] [329,759 / 45 (100.00%)]
7.5m/s - 8.4m/s 7.5m/s - 8.4m/s = 4
[4 (0.00% / 0.00%)] [329,763 / 5 (100.00%)]
8.5m/s - 9.4m/s 8.5m/s - 9.4m/s = 1
[1 (0.00% / 0.00%)] [329,764 / 1 (100.00%)]

Missing observations (14,814 / 4.30%)

Temperature

-12.5C - -11.6C -12.5C - -11.6C = 2
[2 (0.00% / 0.00%)] [2 / 329,869 (0.00%)]
-11.5C - -10.6C -11.5C - -10.6C = 10
[10 (0.00% / 0.00%)] [12 / 329,867 (0.00%)]
-10.5C - -9.6C -10.5C - -9.6C = 11
[11 (0.00% / 0.00%)] [23 / 329,857 (0.01%)]
-9.5C - -8.6C -9.5C - -8.6C = 25
[25 (0.01% / 0.01%)] [48 / 329,846 (0.01%)]
-8.5C - -7.6C -8.5C - -7.6C = 127
[127 (0.04% / 0.04%)] [175 / 329,821 (0.05%)]
-7.5C - -6.6C -7.5C - -6.6C = 279
[279 (0.08% / 0.08%)] [454 / 329,694 (0.14%)]
-6.5C - -5.6C -6.5C - -5.6C = 547
[547 (0.16% / 0.17%)] [1,001 / 329,415 (0.30%)]
-5.5C - -4.6C -5.5C - -4.6C = 1,072
[1,072 (0.31% / 0.32%)] [2,073 / 328,868 (0.63%)]
-4.5C - -3.6C -4.5C - -3.6C = 2,084
[2,084 (0.60% / 0.63%)] [4,157 / 327,796 (1.26%)]
-3.5C - -2.6C -3.5C - -2.6C = 3,430
[3,430 (1.00% / 1.04%)] [7,587 / 325,712 (2.30%)]
-2.5C - -1.6C -2.5C - -1.6C = 4,996
[4,996 (1.45% / 1.51%)] [12,583 / 322,282 (3.81%)]
-1.5C - -0.6C -1.5C - -0.6C = 6,909
[6,909 (2.01% / 2.09%)] [19,492 / 317,286 (5.91%)]
-0.5C - 0.4C -0.5C - 0.4C = 16,366
[16,366 (4.75% / 4.96%)] [35,858 / 310,377 (10.87%)]
0.5C - 1.4C 0.5C - 1.4C = 9,145
[9,145 (2.65% / 2.77%)] [45,003 / 294,011 (13.64%)]
1.5C - 2.4C 1.5C - 2.4C = 8,745
[8,745 (2.54% / 2.65%)] [53,748 / 284,866 (16.29%)]
2.5C - 3.4C 2.5C - 3.4C = 9,079
[9,079 (2.63% / 2.75%)] [62,827 / 276,121 (19.05%)]
3.5C - 4.4C 3.5C - 4.4C = 9,529
[9,529 (2.77% / 2.89%)] [72,356 / 267,042 (21.93%)]
4.5C - 5.4C 4.5C - 5.4C = 9,670
[9,670 (2.81% / 2.93%)] [82,026 / 257,513 (24.87%)]
5.5C - 6.4C 5.5C - 6.4C = 10,189
[10,189 (2.96% / 3.09%)] [92,215 / 247,843 (27.96%)]
6.5C - 7.4C 6.5C - 7.4C = 10,244
[10,244 (2.97% / 3.11%)] [102,459 / 237,654 (31.06%)]
7.5C - 8.4C 7.5C - 8.4C = 10,034
[10,034 (2.91% / 3.04%)] [112,493 / 227,410 (34.10%)]
8.5C - 9.4C 8.5C - 9.4C = 10,259
[10,259 (2.98% / 3.11%)] [122,752 / 217,376 (37.21%)]
9.5C - 10.4C 9.5C - 10.4C = 10,153
[10,153 (2.95% / 3.08%)] [132,905 / 207,117 (40.29%)]
10.5C - 11.4C 10.5C - 11.4C = 10,425
[10,425 (3.03% / 3.16%)] [143,330 / 196,964 (43.45%)]
11.5C - 12.4C 11.5C - 12.4C = 10,175
[10,175 (2.95% / 3.08%)] [153,505 / 186,539 (46.54%)]
12.5C - 13.4C 12.5C - 13.4C = 10,600
[10,600 (3.08% / 3.21%)] [164,105 / 176,364 (49.75%)]
13.5C - 14.4C 13.5C - 14.4C = 11,088
[11,088 (3.22% / 3.36%)] [175,193 / 165,764 (53.11%)]
14.5C - 15.4C 14.5C - 15.4C = 11,184
[11,184 (3.25% / 3.39%)] [186,377 / 154,676 (56.50%)]
15.5C - 16.4C 15.5C - 16.4C = 11,264
[11,264 (3.27% / 3.41%)] [197,641 / 143,492 (59.91%)]
16.5C - 17.4C 16.5C - 17.4C = 11,259
[11,259 (3.27% / 3.41%)] [208,900 / 132,228 (63.33%)]
17.5C - 18.4C 17.5C - 18.4C = 12,204
[12,204 (3.54% / 3.70%)] [221,104 / 120,969 (67.03%)]
18.5C - 19.4C 18.5C - 19.4C = 12,619
[12,619 (3.66% / 3.83%)] [233,723 / 108,765 (70.85%)]
19.5C - 20.4C 19.5C - 20.4C = 12,921
[12,921 (3.75% / 3.92%)] [246,644 / 96,146 (74.77%)]
20.5C - 21.4C 20.5C - 21.4C = 13,424
[13,424 (3.90% / 4.07%)] [260,068 / 83,225 (78.84%)]
21.5C - 22.4C 21.5C - 22.4C = 12,933
[12,933 (3.75% / 3.92%)] [273,001 / 69,801 (82.76%)]
22.5C - 23.4C 22.5C - 23.4C = 11,882
[11,882 (3.45% / 3.60%)] [284,883 / 56,868 (86.36%)]
23.5C - 24.4C 23.5C - 24.4C = 9,431
[9,431 (2.74% / 2.86%)] [294,314 / 44,986 (89.22%)]
24.5C - 25.4C 24.5C - 25.4C = 7,227
[7,227 (2.10% / 2.19%)] [301,541 / 35,555 (91.41%)]
25.5C - 26.4C 25.5C - 26.4C = 5,772
[5,772 (1.68% / 1.75%)] [307,313 / 28,328 (93.16%)]
26.5C - 27.4C 26.5C - 27.4C = 4,888
[4,888 (1.42% / 1.48%)] [312,201 / 22,556 (94.64%)]
27.5C - 28.4C 27.5C - 28.4C = 4,004
[4,004 (1.16% / 1.21%)] [316,205 / 17,668 (95.86%)]
28.5C - 29.4C 28.5C - 29.4C = 3,516
[3,516 (1.02% / 1.07%)] [319,721 / 13,664 (96.92%)]
29.5C - 30.4C 29.5C - 30.4C = 2,871
[2,871 (0.83% / 0.87%)] [322,592 / 10,148 (97.79%)]
30.5C - 31.4C 30.5C - 31.4C = 2,317
[2,317 (0.67% / 0.70%)] [324,909 / 7,277 (98.50%)]
31.5C - 32.4C 31.5C - 32.4C = 1,923
[1,923 (0.56% / 0.58%)] [326,832 / 4,960 (99.08%)]
32.5C - 33.4C 32.5C - 33.4C = 1,356
[1,356 (0.39% / 0.41%)] [328,188 / 3,037 (99.49%)]
33.5C - 34.4C 33.5C - 34.4C = 930
[930 (0.27% / 0.28%)] [329,118 / 1,681 (99.77%)]
34.5C - 35.4C 34.5C - 35.4C = 497
[497 (0.14% / 0.15%)] [329,615 / 751 (99.92%)]
35.5C - 36.4C 35.5C - 36.4C = 177
[177 (0.05% / 0.05%)] [329,792 / 254 (99.98%)]
36.5C - 37.4C 36.5C - 37.4C = 59
[59 (0.02% / 0.02%)] [329,851 / 77 (99.99%)]
37.5C - 38.4C 37.5C - 38.4C = 13
[13 (0.00% / 0.00%)] [329,864 / 18 (100.00%)]
38.5C - 39.4C 38.5C - 39.4C = 2
[2 (0.00% / 0.00%)] [329,866 / 5 (100.00%)]
39.5C - 40.4C 39.5C - 40.4C = 3
[3 (0.00% / 0.00%)] [329,869 / 3 (100.00%)]

Missing observations (14,709 / 4.27%)

Sunshine Duration

0.0h 0.0h = 237,585
[237,585 (68.95% / 72.08%)] [237,585 / 329,610 (72.08%)]
0.1h 0.1h = 6,300
[6,300 (1.83% / 1.91%)] [243,885 / 92,025 (73.99%)]
0.2h 0.2h = 4,923
[4,923 (1.43% / 1.49%)] [248,808 / 85,725 (75.49%)]
0.3h 0.3h = 4,391
[4,391 (1.27% / 1.33%)] [253,199 / 80,802 (76.82%)]
0.4h 0.4h = 4,389
[4,389 (1.27% / 1.33%)] [257,588 / 76,411 (78.15%)]
0.5h 0.5h = 4,599
[4,599 (1.33% / 1.40%)] [262,187 / 72,022 (79.54%)]
0.6h 0.6h = 4,519
[4,519 (1.31% / 1.37%)] [266,706 / 67,423 (80.92%)]
0.7h 0.7h = 4,796
[4,796 (1.39% / 1.46%)] [271,502 / 62,904 (82.37%)]
0.8h 0.8h = 5,215
[5,215 (1.51% / 1.58%)] [276,717 / 58,108 (83.95%)]
0.9h 0.9h = 6,780
[6,780 (1.97% / 2.06%)] [283,497 / 52,893 (86.01%)]
1.0h 1.0h = 46,113
[46,113 (13.38% / 13.99%)] [329,610 / 46,113 (100.00%)]

Missing observations (14,968 / 4.34%)