Station Number 66136
Prefecture Okayama [ Local Portal ]
Location 岡山県美作市今岡 (MIMASAKA SHI, OKAYAMA KEN)
Months of Observations 476
Number of Observations 347,712
Period of Observations
Period Name Lat. Long. Height Anemometer
1974/11/01 -- 1978/11/15 FURUMACHI 35.122N 134.327E 220m 0.0m
1978/11/16 -- 1983/10/04 FURUMACHI 35.122N 134.327E 220m 6.5m
1983/10/05 -- 1986/11/18 FURUMACHI 35.118N 134.327E 240m 6.5m
1986/11/19 -- 1991/11/21 FURUMACHI 35.118N 134.327E 240m 6.5m
1991/11/22 -- 2005/02/03 FURUMACHI 35.118N 134.327E 240m 6.5m
2005/02/04 -- 2005/03/31 FURUMACHI 35.098N 134.325E 207m 6.5m
2005/04/01 -- 2006/11/13 IMAOKA 35.098N 134.325E 207m 6.5m
2006/11/14 -- 2015/08/99 IMAOKA 35.098N 134.325E 207m 6.5m
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
66915 IMAOKA (Okayama) 0.00km 0deg.
63241 SAYO (Hyogo) 9.81km 156deg.
63301 SAYO (Hyogo) 11.38km 167deg.
66127 NAGI (Okayama) 14.22km 276deg.
66126 NAGISAN (Okayama) 14.80km 296deg.
69246 CHIZU (Tottori) 19.88km 337deg.
69915 CHIZU (Tottori) 19.88km 337deg.
63251 ICHINOMIYA (Hyogo) 23.71km 90deg.
63366 KAMIGORI (Hyogo) 26.98km 170deg.
69196 WAKASA (Tottori) 27.07km 15deg.
66186 TSUYAMA (Okayama) 29.17km 262deg.
66920 TSUYAMA (Okayama) 29.17km 262deg.
66251 AKAIWA (Okayama) 29.85km 228deg.

Statistics for the Whole Period

Precipitation

0.0mm - 0.4mm 0.0mm - 0.4mm = 320,611
[320,611 (92.21% / 92.28%)] [320,611 / 347,447 (92.28%)]
0.5mm - 1.4mm 0.5mm - 1.4mm = 14,110
[14,110 (4.06% / 4.06%)] [334,721 / 26,836 (96.34%)]
1.5mm - 2.4mm 1.5mm - 2.4mm = 5,190
[5,190 (1.49% / 1.49%)] [339,911 / 12,726 (97.83%)]
2.5mm - 3.4mm 2.5mm - 3.4mm = 2,764
[2,764 (0.79% / 0.80%)] [342,675 / 7,536 (98.63%)]
3.5mm - 4.4mm 3.5mm - 4.4mm = 1,501
[1,501 (0.43% / 0.43%)] [344,176 / 4,772 (99.06%)]
4.5mm - 5.4mm 4.5mm - 5.4mm = 942
[942 (0.27% / 0.27%)] [345,118 / 3,271 (99.33%)]
5.5mm - 6.4mm 5.5mm - 6.4mm = 607
[607 (0.17% / 0.17%)] [345,725 / 2,329 (99.50%)]
6.5mm - 7.4mm 6.5mm - 7.4mm = 397
[397 (0.11% / 0.11%)] [346,122 / 1,722 (99.62%)]
7.5mm - 8.4mm 7.5mm - 8.4mm = 291
[291 (0.08% / 0.08%)] [346,413 / 1,325 (99.70%)]
8.5mm - 9.4mm 8.5mm - 9.4mm = 214
[214 (0.06% / 0.06%)] [346,627 / 1,034 (99.76%)]
9.5mm - 10.4mm 9.5mm - 10.4mm = 154
[154 (0.04% / 0.04%)] [346,781 / 820 (99.81%)]
10.5mm - 11.4mm 10.5mm - 11.4mm = 122
[122 (0.04% / 0.04%)] [346,903 / 666 (99.84%)]
11.5mm - 12.4mm 11.5mm - 12.4mm = 86
[86 (0.02% / 0.02%)] [346,989 / 544 (99.87%)]
12.5mm - 13.4mm 12.5mm - 13.4mm = 67
[67 (0.02% / 0.02%)] [347,056 / 458 (99.89%)]
13.5mm - 14.4mm 13.5mm - 14.4mm = 67
[67 (0.02% / 0.02%)] [347,123 / 391 (99.91%)]
14.5mm - 15.4mm 14.5mm - 15.4mm = 50
[50 (0.01% / 0.01%)] [347,173 / 324 (99.92%)]
15.5mm - 16.4mm 15.5mm - 16.4mm = 36
[36 (0.01% / 0.01%)] [347,209 / 274 (99.93%)]
16.5mm - 17.4mm 16.5mm - 17.4mm = 24
[24 (0.01% / 0.01%)] [347,233 / 238 (99.94%)]
17.5mm - 18.4mm 17.5mm - 18.4mm = 25
[25 (0.01% / 0.01%)] [347,258 / 214 (99.95%)]
18.5mm - 19.4mm 18.5mm - 19.4mm = 26
[26 (0.01% / 0.01%)] [347,284 / 189 (99.95%)]
19.5mm - 20.4mm 19.5mm - 20.4mm = 18
[18 (0.01% / 0.01%)] [347,302 / 163 (99.96%)]
20.5mm - 21.4mm 20.5mm - 21.4mm = 24
[24 (0.01% / 0.01%)] [347,326 / 145 (99.97%)]
21.5mm - 22.4mm 21.5mm - 22.4mm = 12
[12 (0.00% / 0.00%)] [347,338 / 121 (99.97%)]
22.5mm - 23.4mm 22.5mm - 23.4mm = 22
[22 (0.01% / 0.01%)] [347,360 / 109 (99.97%)]
23.5mm - 24.4mm 23.5mm - 24.4mm = 11
[11 (0.00% / 0.00%)] [347,371 / 87 (99.98%)]
24.5mm - 25.4mm 24.5mm - 25.4mm = 5
[5 (0.00% / 0.00%)] [347,376 / 76 (99.98%)]
25.5mm - 26.4mm 25.5mm - 26.4mm = 3
[3 (0.00% / 0.00%)] [347,379 / 71 (99.98%)]
26.5mm - 27.4mm 26.5mm - 27.4mm = 10
[10 (0.00% / 0.00%)] [347,389 / 68 (99.98%)]
27.5mm - 28.4mm 27.5mm - 28.4mm = 4
[4 (0.00% / 0.00%)] [347,393 / 58 (99.98%)]
28.5mm - 29.4mm 28.5mm - 29.4mm = 8
[8 (0.00% / 0.00%)] [347,401 / 54 (99.99%)]
29.5mm - 30.4mm 29.5mm - 30.4mm = 5
[5 (0.00% / 0.00%)] [347,406 / 46 (99.99%)]
30.5mm - 31.4mm 30.5mm - 31.4mm = 3
[3 (0.00% / 0.00%)] [347,409 / 41 (99.99%)]
31.5mm - 32.4mm 31.5mm - 32.4mm = 4
[4 (0.00% / 0.00%)] [347,413 / 38 (99.99%)]
32.5mm - 33.4mm 32.5mm - 33.4mm = 1
[1 (0.00% / 0.00%)] [347,414 / 34 (99.99%)]
33.5mm - 34.4mm 33.5mm - 34.4mm = 1
[1 (0.00% / 0.00%)] [347,415 / 33 (99.99%)]
34.5mm - 35.4mm 34.5mm - 35.4mm = 4
[4 (0.00% / 0.00%)] [347,419 / 32 (99.99%)]
35.5mm - 36.4mm 35.5mm - 36.4mm = 1
[1 (0.00% / 0.00%)] [347,420 / 28 (99.99%)]
36.5mm - 37.4mm 36.5mm - 37.4mm = 4
[4 (0.00% / 0.00%)] [347,424 / 27 (99.99%)]
37.5mm - 38.4mm 37.5mm - 38.4mm = 4
[4 (0.00% / 0.00%)] [347,428 / 23 (99.99%)]
38.5mm - 39.4mm 38.5mm - 39.4mm = 3
[3 (0.00% / 0.00%)] [347,431 / 19 (100.00%)]
40.5mm - 41.4mm 40.5mm - 41.4mm = 1
[1 (0.00% / 0.00%)] [347,432 / 16 (100.00%)]
41.5mm - 42.4mm 41.5mm - 42.4mm = 5
[5 (0.00% / 0.00%)] [347,437 / 15 (100.00%)]
42.5mm - 43.4mm 42.5mm - 43.4mm = 3
[3 (0.00% / 0.00%)] [347,440 / 10 (100.00%)]
43.5mm - 44.4mm 43.5mm - 44.4mm = 1
[1 (0.00% / 0.00%)] [347,441 / 7 (100.00%)]
47.5mm - 48.4mm 47.5mm - 48.4mm = 2
[2 (0.00% / 0.00%)] [347,443 / 6 (100.00%)]
51.5mm - 52.4mm 51.5mm - 52.4mm = 2
[2 (0.00% / 0.00%)] [347,445 / 4 (100.00%)]
54.5mm - 55.4mm 54.5mm - 55.4mm = 1
[1 (0.00% / 0.00%)] [347,446 / 2 (100.00%)]
72.5mm - 73.4mm 72.5mm - 73.4mm = 1
[1 (0.00% / 0.00%)] [347,447 / 1 (100.00%)]

Missing observations (265 / 0.08%)

Wind Direction

Calm Calm = 122,781
[122,781 (35.31% / 38.14%)] [0 / 0 (NA)]
NNE NNE = 18,499
[18,499 (5.32% / 5.75%)] [0 / 0 (NA)]
NE NE = 16,490
[16,490 (4.74% / 5.12%)] [0 / 0 (NA)]
ENE ENE = 19,319
[19,319 (5.56% / 6.00%)] [0 / 0 (NA)]
E E = 8,523
[8,523 (2.45% / 2.65%)] [0 / 0 (NA)]
ESE ESE = 5,003
[5,003 (1.44% / 1.55%)] [0 / 0 (NA)]
SE SE = 8,260
[8,260 (2.38% / 2.57%)] [0 / 0 (NA)]
SSE SSE = 14,482
[14,482 (4.16% / 4.50%)] [0 / 0 (NA)]
S S = 18,314
[18,314 (5.27% / 5.69%)] [0 / 0 (NA)]
SSW SSW = 18,242
[18,242 (5.25% / 5.67%)] [0 / 0 (NA)]
SW SW = 9,994
[9,994 (2.87% / 3.10%)] [0 / 0 (NA)]
WSW WSW = 5,341
[5,341 (1.54% / 1.66%)] [0 / 0 (NA)]
W W = 5,406
[5,406 (1.55% / 1.68%)] [0 / 0 (NA)]
WNW WNW = 7,344
[7,344 (2.11% / 2.28%)] [0 / 0 (NA)]
NW NW = 9,843
[9,843 (2.83% / 3.06%)] [0 / 0 (NA)]
NNW NNW = 13,819
[13,819 (3.97% / 4.29%)] [0 / 0 (NA)]
N N = 20,269
[20,269 (5.83% / 6.30%)] [0 / 0 (NA)]

Missing observations (25,783 / 7.42%)

Wind Speed

0.0m/s - 0.4m/s 0.0m/s - 0.4m/s = 126,805
[126,805 (36.47% / 39.37%)] [126,805 / 322,098 (39.37%)]
0.5m/s - 1.4m/s 0.5m/s - 1.4m/s = 116,794
[116,794 (33.59% / 36.26%)] [243,599 / 195,293 (75.63%)]
1.5m/s - 2.4m/s 1.5m/s - 2.4m/s = 53,226
[53,226 (15.31% / 16.52%)] [296,825 / 78,499 (92.15%)]
2.5m/s - 3.4m/s 2.5m/s - 3.4m/s = 16,764
[16,764 (4.82% / 5.20%)] [313,589 / 25,273 (97.36%)]
3.5m/s - 4.4m/s 3.5m/s - 4.4m/s = 5,560
[5,560 (1.60% / 1.73%)] [319,149 / 8,509 (99.08%)]
4.5m/s - 5.4m/s 4.5m/s - 5.4m/s = 2,053
[2,053 (0.59% / 0.64%)] [321,202 / 2,949 (99.72%)]
5.5m/s - 6.4m/s 5.5m/s - 6.4m/s = 659
[659 (0.19% / 0.20%)] [321,861 / 896 (99.93%)]
6.5m/s - 7.4m/s 6.5m/s - 7.4m/s = 188
[188 (0.05% / 0.06%)] [322,049 / 237 (99.98%)]
7.5m/s - 8.4m/s 7.5m/s - 8.4m/s = 35
[35 (0.01% / 0.01%)] [322,084 / 49 (100.00%)]
8.5m/s - 9.4m/s 8.5m/s - 9.4m/s = 9
[9 (0.00% / 0.00%)] [322,093 / 14 (100.00%)]
9.5m/s - 10.4m/s 9.5m/s - 10.4m/s = 5
[5 (0.00% / 0.00%)] [322,098 / 5 (100.00%)]

Missing observations (25,614 / 7.37%)

Temperature

-13.5C - -12.6C -13.5C - -12.6C = 2
[2 (0.00% / 0.00%)] [2 / 321,150 (0.00%)]
-12.5C - -11.6C -12.5C - -11.6C = 2
[2 (0.00% / 0.00%)] [4 / 321,148 (0.00%)]
-11.5C - -10.6C -11.5C - -10.6C = 9
[9 (0.00% / 0.00%)] [13 / 321,146 (0.00%)]
-10.5C - -9.6C -10.5C - -9.6C = 11
[11 (0.00% / 0.00%)] [24 / 321,137 (0.01%)]
-9.5C - -8.6C -9.5C - -8.6C = 37
[37 (0.01% / 0.01%)] [61 / 321,126 (0.02%)]
-8.5C - -7.6C -8.5C - -7.6C = 79
[79 (0.02% / 0.02%)] [140 / 321,089 (0.04%)]
-7.5C - -6.6C -7.5C - -6.6C = 180
[180 (0.05% / 0.06%)] [320 / 321,010 (0.10%)]
-6.5C - -5.6C -6.5C - -5.6C = 346
[346 (0.10% / 0.11%)] [666 / 320,830 (0.21%)]
-5.5C - -4.6C -5.5C - -4.6C = 651
[651 (0.19% / 0.20%)] [1,317 / 320,484 (0.41%)]
-4.5C - -3.6C -4.5C - -3.6C = 1,240
[1,240 (0.36% / 0.39%)] [2,557 / 319,833 (0.80%)]
-3.5C - -2.6C -3.5C - -2.6C = 2,527
[2,527 (0.73% / 0.79%)] [5,084 / 318,593 (1.58%)]
-2.5C - -1.6C -2.5C - -1.6C = 4,507
[4,507 (1.30% / 1.40%)] [9,591 / 316,066 (2.99%)]
-1.5C - -0.6C -1.5C - -0.6C = 7,111
[7,111 (2.05% / 2.21%)] [16,702 / 311,559 (5.20%)]
-0.5C - 0.4C -0.5C - 0.4C = 19,172
[19,172 (5.51% / 5.97%)] [35,874 / 304,448 (11.17%)]
0.5C - 1.4C 0.5C - 1.4C = 11,074
[11,074 (3.18% / 3.45%)] [46,948 / 285,276 (14.62%)]
1.5C - 2.4C 1.5C - 2.4C = 10,543
[10,543 (3.03% / 3.28%)] [57,491 / 274,202 (17.90%)]
2.5C - 3.4C 2.5C - 3.4C = 10,339
[10,339 (2.97% / 3.22%)] [67,830 / 263,659 (21.12%)]
3.5C - 4.4C 3.5C - 4.4C = 10,415
[10,415 (3.00% / 3.24%)] [78,245 / 253,320 (24.36%)]
4.5C - 5.4C 4.5C - 5.4C = 10,213
[10,213 (2.94% / 3.18%)] [88,458 / 242,905 (27.54%)]
5.5C - 6.4C 5.5C - 6.4C = 10,236
[10,236 (2.94% / 3.19%)] [98,694 / 232,692 (30.73%)]
6.5C - 7.4C 6.5C - 7.4C = 10,013
[10,013 (2.88% / 3.12%)] [108,707 / 222,456 (33.85%)]
7.5C - 8.4C 7.5C - 8.4C = 9,571
[9,571 (2.75% / 2.98%)] [118,278 / 212,443 (36.83%)]
8.5C - 9.4C 8.5C - 9.4C = 9,162
[9,162 (2.63% / 2.85%)] [127,440 / 202,872 (39.68%)]
9.5C - 10.4C 9.5C - 10.4C = 9,150
[9,150 (2.63% / 2.85%)] [136,590 / 193,710 (42.53%)]
10.5C - 11.4C 10.5C - 11.4C = 8,675
[8,675 (2.49% / 2.70%)] [145,265 / 184,560 (45.23%)]
11.5C - 12.4C 11.5C - 12.4C = 9,191
[9,191 (2.64% / 2.86%)] [154,456 / 175,885 (48.09%)]
12.5C - 13.4C 12.5C - 13.4C = 9,079
[9,079 (2.61% / 2.83%)] [163,535 / 166,694 (50.92%)]
13.5C - 14.4C 13.5C - 14.4C = 9,138
[9,138 (2.63% / 2.85%)] [172,673 / 157,615 (53.77%)]
14.5C - 15.4C 14.5C - 15.4C = 9,315
[9,315 (2.68% / 2.90%)] [181,988 / 148,477 (56.67%)]
15.5C - 16.4C 15.5C - 16.4C = 9,246
[9,246 (2.66% / 2.88%)] [191,234 / 139,162 (59.55%)]
16.5C - 17.4C 16.5C - 17.4C = 9,788
[9,788 (2.81% / 3.05%)] [201,022 / 129,916 (62.59%)]
17.5C - 18.4C 17.5C - 18.4C = 9,993
[9,993 (2.87% / 3.11%)] [211,015 / 120,128 (65.71%)]
18.5C - 19.4C 18.5C - 19.4C = 10,319
[10,319 (2.97% / 3.21%)] [221,334 / 110,135 (68.92%)]
19.5C - 20.4C 19.5C - 20.4C = 10,904
[10,904 (3.14% / 3.40%)] [232,238 / 99,816 (72.31%)]
20.5C - 21.4C 20.5C - 21.4C = 11,859
[11,859 (3.41% / 3.69%)] [244,097 / 88,912 (76.01%)]
21.5C - 22.4C 21.5C - 22.4C = 12,976
[12,976 (3.73% / 4.04%)] [257,073 / 77,053 (80.05%)]
22.5C - 23.4C 22.5C - 23.4C = 13,191
[13,191 (3.79% / 4.11%)] [270,264 / 64,077 (84.16%)]
23.5C - 24.4C 23.5C - 24.4C = 11,599
[11,599 (3.34% / 3.61%)] [281,863 / 50,886 (87.77%)]
24.5C - 25.4C 24.5C - 25.4C = 9,182
[9,182 (2.64% / 2.86%)] [291,045 / 39,287 (90.63%)]
25.5C - 26.4C 25.5C - 26.4C = 7,352
[7,352 (2.11% / 2.29%)] [298,397 / 30,105 (92.92%)]
26.5C - 27.4C 26.5C - 27.4C = 5,649
[5,649 (1.62% / 1.76%)] [304,046 / 22,753 (94.67%)]
27.5C - 28.4C 27.5C - 28.4C = 4,642
[4,642 (1.34% / 1.45%)] [308,688 / 17,104 (96.12%)]
28.5C - 29.4C 28.5C - 29.4C = 3,822
[3,822 (1.10% / 1.19%)] [312,510 / 12,462 (97.31%)]
29.5C - 30.4C 29.5C - 30.4C = 2,912
[2,912 (0.84% / 0.91%)] [315,422 / 8,640 (98.22%)]
30.5C - 31.4C 30.5C - 31.4C = 2,423
[2,423 (0.70% / 0.75%)] [317,845 / 5,728 (98.97%)]
31.5C - 32.4C 31.5C - 32.4C = 1,635
[1,635 (0.47% / 0.51%)] [319,480 / 3,305 (99.48%)]
32.5C - 33.4C 32.5C - 33.4C = 982
[982 (0.28% / 0.31%)] [320,462 / 1,670 (99.79%)]
33.5C - 34.4C 33.5C - 34.4C = 464
[464 (0.13% / 0.14%)] [320,926 / 688 (99.93%)]
34.5C - 35.4C 34.5C - 35.4C = 167
[167 (0.05% / 0.05%)] [321,093 / 224 (99.98%)]
35.5C - 36.4C 35.5C - 36.4C = 40
[40 (0.01% / 0.01%)] [321,133 / 57 (99.99%)]
36.5C - 37.4C 36.5C - 37.4C = 13
[13 (0.00% / 0.00%)] [321,146 / 17 (100.00%)]
37.5C - 38.4C 37.5C - 38.4C = 3
[3 (0.00% / 0.00%)] [321,149 / 4 (100.00%)]
38.5C - 39.4C 38.5C - 39.4C = 1
[1 (0.00% / 0.00%)] [321,150 / 1 (100.00%)]

Missing observations (26,562 / 7.64%)

Sunshine Duration

0.0h 0.0h = 230,982
[230,982 (66.43% / 71.72%)] [230,982 / 322,081 (71.72%)]
0.1h 0.1h = 8,855
[8,855 (2.55% / 2.75%)] [239,837 / 91,099 (74.46%)]
0.2h 0.2h = 7,145
[7,145 (2.05% / 2.22%)] [246,982 / 82,244 (76.68%)]
0.3h 0.3h = 6,359
[6,359 (1.83% / 1.97%)] [253,341 / 75,099 (78.66%)]
0.4h 0.4h = 5,879
[5,879 (1.69% / 1.83%)] [259,220 / 68,740 (80.48%)]
0.5h 0.5h = 5,650
[5,650 (1.62% / 1.75%)] [264,870 / 62,861 (82.24%)]
0.6h 0.6h = 5,565
[5,565 (1.60% / 1.73%)] [270,435 / 57,211 (83.96%)]
0.7h 0.7h = 5,710
[5,710 (1.64% / 1.77%)] [276,145 / 51,646 (85.74%)]
0.8h 0.8h = 6,440
[6,440 (1.85% / 2.00%)] [282,585 / 45,936 (87.74%)]
0.9h 0.9h = 7,544
[7,544 (2.17% / 2.34%)] [290,129 / 39,496 (90.08%)]
1.0h 1.0h = 31,952
[31,952 (9.19% / 9.92%)] [322,081 / 31,952 (100.00%)]

Missing observations (25,631 / 7.37%)

Snow Depth

0cm 0cm = 29,334
[29,334 (8.44% / 94.90%)] [29,334 / 30,912 (94.90%)]
1cm - 5cm 1cm - 5cm = 709
[709 (0.20% / 2.29%)] [30,043 / 1,578 (97.19%)]
6cm - 10cm 6cm - 10cm = 445
[445 (0.13% / 1.44%)] [30,488 / 869 (98.63%)]
11cm - 15cm 11cm - 15cm = 222
[222 (0.06% / 0.72%)] [30,710 / 424 (99.35%)]
16cm - 20cm 16cm - 20cm = 92
[92 (0.03% / 0.30%)] [30,802 / 202 (99.64%)]
21cm - 25cm 21cm - 25cm = 46
[46 (0.01% / 0.15%)] [30,848 / 110 (99.79%)]
26cm - 30cm 26cm - 30cm = 26
[26 (0.01% / 0.08%)] [30,874 / 64 (99.88%)]
31cm - 35cm 31cm - 35cm = 17
[17 (0.00% / 0.05%)] [30,891 / 38 (99.93%)]
36cm - 40cm 36cm - 40cm = 6
[6 (0.00% / 0.02%)] [30,897 / 21 (99.95%)]
41cm - 45cm 41cm - 45cm = 8
[8 (0.00% / 0.03%)] [30,905 / 15 (99.98%)]
46cm - 50cm 46cm - 50cm = 7
[7 (0.00% / 0.02%)] [30,912 / 7 (100.00%)]

Missing observations (316,800 / 91.11%)