Station Number 66408
Prefecture Okayama [ Local Portal ]
Location 岡山県岡山市北区下石井 (OKAYAMA SHI KITA KU, OKAYAMA KEN)
Months of Observations 234
Number of Observations 170,363
Period of Observations
Period Name Lat. Long. Height Anemometer
1996/03/25 -- 2011/12/19 OKAYAMA 34.660N 133.917E 3m 70.8m
2011/12/20 -- 2015/03/04 OKAYAMA 34.660N 133.917E 3m 70.8m
2015/03/05 -- 2015/08/99 OKAYAMA 34.685N 133.925E 5m 69.9m
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
66406 OKAYAMA (Okayama) 1.12km 258deg.
66407 OKAYAMA (Okayama) 2.92km 198deg.
66346 NICHIOJI (Okayama) 10.24km 321deg.
66446 KURASHIKI (Okayama) 17.84km 233deg.
66296 FUKUWATARI (Okayama) 20.29km 354deg.
66501 TAMANO (Okayama) 22.08km 174deg.
66287 KIBICHUO (Okayama) 24.90km 306deg.
66421 MUSHIAGE (Okayama) 25.84km 90deg.
66306 WAKE (Okayama) 27.68km 58deg.
66391 YAKAGE (Okayama) 29.14km 255deg.
66251 AKAIWA (Okayama) 29.57km 29deg.

Statistics for the Whole Period

Precipitation

0.0mm - 0.4mm 0.0mm - 0.4mm = 160,671
[160,671 (94.31% / 94.33%)] [160,671 / 170,337 (94.33%)]
0.5mm - 1.4mm 0.5mm - 1.4mm = 5,169
[5,169 (3.03% / 3.03%)] [165,840 / 9,666 (97.36%)]
1.5mm - 2.4mm 1.5mm - 2.4mm = 1,928
[1,928 (1.13% / 1.13%)] [167,768 / 4,497 (98.49%)]
2.5mm - 3.4mm 2.5mm - 3.4mm = 964
[964 (0.57% / 0.57%)] [168,732 / 2,569 (99.06%)]
3.5mm - 4.4mm 3.5mm - 4.4mm = 512
[512 (0.30% / 0.30%)] [169,244 / 1,605 (99.36%)]
4.5mm - 5.4mm 4.5mm - 5.4mm = 334
[334 (0.20% / 0.20%)] [169,578 / 1,093 (99.55%)]
5.5mm - 6.4mm 5.5mm - 6.4mm = 204
[204 (0.12% / 0.12%)] [169,782 / 759 (99.67%)]
6.5mm - 7.4mm 6.5mm - 7.4mm = 120
[120 (0.07% / 0.07%)] [169,902 / 555 (99.74%)]
7.5mm - 8.4mm 7.5mm - 8.4mm = 105
[105 (0.06% / 0.06%)] [170,007 / 435 (99.81%)]
8.5mm - 9.4mm 8.5mm - 9.4mm = 69
[69 (0.04% / 0.04%)] [170,076 / 330 (99.85%)]
9.5mm - 10.4mm 9.5mm - 10.4mm = 55
[55 (0.03% / 0.03%)] [170,131 / 261 (99.88%)]
10.5mm - 11.4mm 10.5mm - 11.4mm = 39
[39 (0.02% / 0.02%)] [170,170 / 206 (99.90%)]
11.5mm - 12.4mm 11.5mm - 12.4mm = 36
[36 (0.02% / 0.02%)] [170,206 / 167 (99.92%)]
12.5mm - 13.4mm 12.5mm - 13.4mm = 22
[22 (0.01% / 0.01%)] [170,228 / 131 (99.94%)]
13.5mm - 14.4mm 13.5mm - 14.4mm = 18
[18 (0.01% / 0.01%)] [170,246 / 109 (99.95%)]
14.5mm - 15.4mm 14.5mm - 15.4mm = 15
[15 (0.01% / 0.01%)] [170,261 / 91 (99.96%)]
15.5mm - 16.4mm 15.5mm - 16.4mm = 16
[16 (0.01% / 0.01%)] [170,277 / 76 (99.96%)]
16.5mm - 17.4mm 16.5mm - 17.4mm = 7
[7 (0.00% / 0.00%)] [170,284 / 60 (99.97%)]
17.5mm - 18.4mm 17.5mm - 18.4mm = 7
[7 (0.00% / 0.00%)] [170,291 / 53 (99.97%)]
18.5mm - 19.4mm 18.5mm - 19.4mm = 10
[10 (0.01% / 0.01%)] [170,301 / 46 (99.98%)]
19.5mm - 20.4mm 19.5mm - 20.4mm = 6
[6 (0.00% / 0.00%)] [170,307 / 36 (99.98%)]
20.5mm - 21.4mm 20.5mm - 21.4mm = 4
[4 (0.00% / 0.00%)] [170,311 / 30 (99.98%)]
21.5mm - 22.4mm 21.5mm - 22.4mm = 3
[3 (0.00% / 0.00%)] [170,314 / 26 (99.99%)]
22.5mm - 23.4mm 22.5mm - 23.4mm = 3
[3 (0.00% / 0.00%)] [170,317 / 23 (99.99%)]
23.5mm - 24.4mm 23.5mm - 24.4mm = 4
[4 (0.00% / 0.00%)] [170,321 / 20 (99.99%)]
24.5mm - 25.4mm 24.5mm - 25.4mm = 1
[1 (0.00% / 0.00%)] [170,322 / 16 (99.99%)]
25.5mm - 26.4mm 25.5mm - 26.4mm = 2
[2 (0.00% / 0.00%)] [170,324 / 15 (99.99%)]
26.5mm - 27.4mm 26.5mm - 27.4mm = 5
[5 (0.00% / 0.00%)] [170,329 / 13 (100.00%)]
28.5mm - 29.4mm 28.5mm - 29.4mm = 1
[1 (0.00% / 0.00%)] [170,330 / 8 (100.00%)]
30.5mm - 31.4mm 30.5mm - 31.4mm = 1
[1 (0.00% / 0.00%)] [170,331 / 7 (100.00%)]
33.5mm - 34.4mm 33.5mm - 34.4mm = 1
[1 (0.00% / 0.00%)] [170,332 / 6 (100.00%)]
35.5mm - 36.4mm 35.5mm - 36.4mm = 1
[1 (0.00% / 0.00%)] [170,333 / 5 (100.00%)]
36.5mm - 37.4mm 36.5mm - 37.4mm = 1
[1 (0.00% / 0.00%)] [170,334 / 4 (100.00%)]
43.5mm - 44.4mm 43.5mm - 44.4mm = 1
[1 (0.00% / 0.00%)] [170,335 / 3 (100.00%)]
45.5mm - 46.4mm 45.5mm - 46.4mm = 1
[1 (0.00% / 0.00%)] [170,336 / 2 (100.00%)]
46.5mm - 47.4mm 46.5mm - 47.4mm = 1
[1 (0.00% / 0.00%)] [170,337 / 1 (100.00%)]

Missing observations (26 / 0.02%)

Wind Direction

Calm Calm = 2,224
[2,224 (1.31% / 1.31%)] [0 / 0 (NA)]
NNE NNE = 12,070
[12,070 (7.08% / 7.09%)] [0 / 0 (NA)]
NE NE = 16,772
[16,772 (9.84% / 9.85%)] [0 / 0 (NA)]
ENE ENE = 16,333
[16,333 (9.59% / 9.59%)] [0 / 0 (NA)]
E E = 10,670
[10,670 (6.26% / 6.27%)] [0 / 0 (NA)]
ESE ESE = 8,422
[8,422 (4.94% / 4.95%)] [0 / 0 (NA)]
SE SE = 7,123
[7,123 (4.18% / 4.18%)] [0 / 0 (NA)]
SSE SSE = 3,609
[3,609 (2.12% / 2.12%)] [0 / 0 (NA)]
S S = 4,002
[4,002 (2.35% / 2.35%)] [0 / 0 (NA)]
SSW SSW = 4,851
[4,851 (2.85% / 2.85%)] [0 / 0 (NA)]
SW SW = 9,548
[9,548 (5.60% / 5.61%)] [0 / 0 (NA)]
WSW WSW = 11,576
[11,576 (6.79% / 6.80%)] [0 / 0 (NA)]
W W = 14,193
[14,193 (8.33% / 8.34%)] [0 / 0 (NA)]
WNW WNW = 9,922
[9,922 (5.82% / 5.83%)] [0 / 0 (NA)]
NW NW = 9,966
[9,966 (5.85% / 5.85%)] [0 / 0 (NA)]
NNW NNW = 13,317
[13,317 (7.82% / 7.82%)] [0 / 0 (NA)]
N N = 15,675
[15,675 (9.20% / 9.21%)] [0 / 0 (NA)]

Missing observations (90 / 0.05%)

Wind Speed

0.0m/s - 0.4m/s 0.0m/s - 0.4m/s = 2,893
[2,893 (1.70% / 1.70%)] [2,893 / 170,276 (1.70%)]
0.5m/s - 1.4m/s 0.5m/s - 1.4m/s = 35,425
[35,425 (20.79% / 20.80%)] [38,318 / 167,383 (22.50%)]
1.5m/s - 2.4m/s 1.5m/s - 2.4m/s = 43,872
[43,872 (25.75% / 25.77%)] [82,190 / 131,958 (48.27%)]
2.5m/s - 3.4m/s 2.5m/s - 3.4m/s = 31,504
[31,504 (18.49% / 18.50%)] [113,694 / 88,086 (66.77%)]
3.5m/s - 4.4m/s 3.5m/s - 4.4m/s = 21,914
[21,914 (12.86% / 12.87%)] [135,608 / 56,582 (79.64%)]
4.5m/s - 5.4m/s 4.5m/s - 5.4m/s = 14,134
[14,134 (8.30% / 8.30%)] [149,742 / 34,668 (87.94%)]
5.5m/s - 6.4m/s 5.5m/s - 6.4m/s = 8,199
[8,199 (4.81% / 4.82%)] [157,941 / 20,534 (92.76%)]
6.5m/s - 7.4m/s 6.5m/s - 7.4m/s = 4,966
[4,966 (2.91% / 2.92%)] [162,907 / 12,335 (95.67%)]
7.5m/s - 8.4m/s 7.5m/s - 8.4m/s = 3,087
[3,087 (1.81% / 1.81%)] [165,994 / 7,369 (97.49%)]
8.5m/s - 9.4m/s 8.5m/s - 9.4m/s = 1,902
[1,902 (1.12% / 1.12%)] [167,896 / 4,282 (98.60%)]
9.5m/s - 10.4m/s 9.5m/s - 10.4m/s = 1,113
[1,113 (0.65% / 0.65%)] [169,009 / 2,380 (99.26%)]
10.5m/s - 11.4m/s 10.5m/s - 11.4m/s = 659
[659 (0.39% / 0.39%)] [169,668 / 1,267 (99.64%)]
11.5m/s - 12.4m/s 11.5m/s - 12.4m/s = 287
[287 (0.17% / 0.17%)] [169,955 / 608 (99.81%)]
12.5m/s - 13.4m/s 12.5m/s - 13.4m/s = 159
[159 (0.09% / 0.09%)] [170,114 / 321 (99.90%)]
13.5m/s - 14.4m/s 13.5m/s - 14.4m/s = 74
[74 (0.04% / 0.04%)] [170,188 / 162 (99.95%)]
14.5m/s - 15.4m/s 14.5m/s - 15.4m/s = 34
[34 (0.02% / 0.02%)] [170,222 / 88 (99.97%)]
15.5m/s - 16.4m/s 15.5m/s - 16.4m/s = 30
[30 (0.02% / 0.02%)] [170,252 / 54 (99.99%)]
16.5m/s - 17.4m/s 16.5m/s - 17.4m/s = 13
[13 (0.01% / 0.01%)] [170,265 / 24 (99.99%)]
17.5m/s - 18.4m/s 17.5m/s - 18.4m/s = 5
[5 (0.00% / 0.00%)] [170,270 / 11 (100.00%)]
18.5m/s - 19.4m/s 18.5m/s - 19.4m/s = 1
[1 (0.00% / 0.00%)] [170,271 / 6 (100.00%)]
19.5m/s - 20.4m/s 19.5m/s - 20.4m/s = 4
[4 (0.00% / 0.00%)] [170,275 / 5 (100.00%)]
20.5m/s - 21.4m/s 20.5m/s - 21.4m/s = 1
[1 (0.00% / 0.00%)] [170,276 / 1 (100.00%)]

Missing observations (87 / 0.05%)

Temperature

-4.5C - -3.6C -4.5C - -3.6C = 1
[1 (0.00% / 0.00%)] [1 / 170,337 (0.00%)]
-3.5C - -2.6C -3.5C - -2.6C = 52
[52 (0.03% / 0.03%)] [53 / 170,336 (0.03%)]
-2.5C - -1.6C -2.5C - -1.6C = 89
[89 (0.05% / 0.05%)] [142 / 170,284 (0.08%)]
-1.5C - -0.6C -1.5C - -0.6C = 277
[277 (0.16% / 0.16%)] [419 / 170,195 (0.25%)]
-0.5C - 0.4C -0.5C - 0.4C = 2,269
[2,269 (1.33% / 1.33%)] [2,688 / 169,918 (1.58%)]
0.5C - 1.4C 0.5C - 1.4C = 2,607
[2,607 (1.53% / 1.53%)] [5,295 / 167,649 (3.11%)]
1.5C - 2.4C 1.5C - 2.4C = 3,350
[3,350 (1.97% / 1.97%)] [8,645 / 165,042 (5.08%)]
2.5C - 3.4C 2.5C - 3.4C = 3,862
[3,862 (2.27% / 2.27%)] [12,507 / 161,692 (7.34%)]
3.5C - 4.4C 3.5C - 4.4C = 4,642
[4,642 (2.72% / 2.73%)] [17,149 / 157,830 (10.07%)]
4.5C - 5.4C 4.5C - 5.4C = 5,208
[5,208 (3.06% / 3.06%)] [22,357 / 153,188 (13.13%)]
5.5C - 6.4C 5.5C - 6.4C = 5,960
[5,960 (3.50% / 3.50%)] [28,317 / 147,980 (16.62%)]
6.5C - 7.4C 6.5C - 7.4C = 6,023
[6,023 (3.54% / 3.54%)] [34,340 / 142,020 (20.16%)]
7.5C - 8.4C 7.5C - 8.4C = 6,294
[6,294 (3.69% / 3.70%)] [40,634 / 135,997 (23.86%)]
8.5C - 9.4C 8.5C - 9.4C = 5,794
[5,794 (3.40% / 3.40%)] [46,428 / 129,703 (27.26%)]
9.5C - 10.4C 9.5C - 10.4C = 5,621
[5,621 (3.30% / 3.30%)] [52,049 / 123,909 (30.56%)]
10.5C - 11.4C 10.5C - 11.4C = 5,448
[5,448 (3.20% / 3.20%)] [57,497 / 118,288 (33.75%)]
11.5C - 12.4C 11.5C - 12.4C = 5,061
[5,061 (2.97% / 2.97%)] [62,558 / 112,840 (36.73%)]
12.5C - 13.4C 12.5C - 13.4C = 4,928
[4,928 (2.89% / 2.89%)] [67,486 / 107,779 (39.62%)]
13.5C - 14.4C 13.5C - 14.4C = 5,001
[5,001 (2.94% / 2.94%)] [72,487 / 102,851 (42.56%)]
14.5C - 15.4C 14.5C - 15.4C = 4,918
[4,918 (2.89% / 2.89%)] [77,405 / 97,850 (45.44%)]
15.5C - 16.4C 15.5C - 16.4C = 5,156
[5,156 (3.03% / 3.03%)] [82,561 / 92,932 (48.47%)]
16.5C - 17.4C 16.5C - 17.4C = 4,877
[4,877 (2.86% / 2.86%)] [87,438 / 87,776 (51.33%)]
17.5C - 18.4C 17.5C - 18.4C = 5,050
[5,050 (2.96% / 2.96%)] [92,488 / 82,899 (54.30%)]
18.5C - 19.4C 18.5C - 19.4C = 5,694
[5,694 (3.34% / 3.34%)] [98,182 / 77,849 (57.64%)]
19.5C - 20.4C 19.5C - 20.4C = 5,594
[5,594 (3.28% / 3.28%)] [103,776 / 72,155 (60.92%)]
20.5C - 21.4C 20.5C - 21.4C = 5,862
[5,862 (3.44% / 3.44%)] [109,638 / 66,561 (64.37%)]
21.5C - 22.4C 21.5C - 22.4C = 5,920
[5,920 (3.47% / 3.48%)] [115,558 / 60,699 (67.84%)]
22.5C - 23.4C 22.5C - 23.4C = 6,163
[6,163 (3.62% / 3.62%)] [121,721 / 54,779 (71.46%)]
23.5C - 24.4C 23.5C - 24.4C = 6,166
[6,166 (3.62% / 3.62%)] [127,887 / 48,616 (75.08%)]
24.5C - 25.4C 24.5C - 25.4C = 6,677
[6,677 (3.92% / 3.92%)] [134,564 / 42,450 (79.00%)]
25.5C - 26.4C 25.5C - 26.4C = 7,271
[7,271 (4.27% / 4.27%)] [141,835 / 35,773 (83.27%)]
26.5C - 27.4C 26.5C - 27.4C = 6,670
[6,670 (3.92% / 3.92%)] [148,505 / 28,502 (87.18%)]
27.5C - 28.4C 27.5C - 28.4C = 5,545
[5,545 (3.25% / 3.26%)] [154,050 / 21,832 (90.44%)]
28.5C - 29.4C 28.5C - 29.4C = 4,387
[4,387 (2.58% / 2.58%)] [158,437 / 16,287 (93.01%)]
29.5C - 30.4C 29.5C - 30.4C = 3,510
[3,510 (2.06% / 2.06%)] [161,947 / 11,900 (95.07%)]
30.5C - 31.4C 30.5C - 31.4C = 2,834
[2,834 (1.66% / 1.66%)] [164,781 / 8,390 (96.74%)]
31.5C - 32.4C 31.5C - 32.4C = 2,251
[2,251 (1.32% / 1.32%)] [167,032 / 5,556 (98.06%)]
32.5C - 33.4C 32.5C - 33.4C = 1,641
[1,641 (0.96% / 0.96%)] [168,673 / 3,305 (99.02%)]
33.5C - 34.4C 33.5C - 34.4C = 1,054
[1,054 (0.62% / 0.62%)] [169,727 / 1,664 (99.64%)]
34.5C - 35.4C 34.5C - 35.4C = 441
[441 (0.26% / 0.26%)] [170,168 / 610 (99.90%)]
35.5C - 36.4C 35.5C - 36.4C = 140
[140 (0.08% / 0.08%)] [170,308 / 169 (99.98%)]
36.5C - 37.4C 36.5C - 37.4C = 29
[29 (0.02% / 0.02%)] [170,337 / 29 (100.00%)]

Missing observations (26 / 0.02%)

Sunshine Duration

0.0h 0.0h = 113,678
[113,678 (66.73% / 66.78%)] [113,678 / 170,217 (66.78%)]
0.1h 0.1h = 4,447
[4,447 (2.61% / 2.61%)] [118,125 / 56,539 (69.40%)]
0.2h 0.2h = 3,722
[3,722 (2.18% / 2.19%)] [121,847 / 52,092 (71.58%)]
0.3h 0.3h = 3,355
[3,355 (1.97% / 1.97%)] [125,202 / 48,370 (73.55%)]
0.4h 0.4h = 3,434
[3,434 (2.02% / 2.02%)] [128,636 / 45,015 (75.57%)]
0.5h 0.5h = 3,452
[3,452 (2.03% / 2.03%)] [132,088 / 41,581 (77.60%)]
0.6h 0.6h = 3,482
[3,482 (2.04% / 2.05%)] [135,570 / 38,129 (79.65%)]
0.7h 0.7h = 3,688
[3,688 (2.16% / 2.17%)] [139,258 / 34,647 (81.81%)]
0.8h 0.8h = 3,908
[3,908 (2.29% / 2.30%)] [143,166 / 30,959 (84.11%)]
0.9h 0.9h = 4,961
[4,961 (2.91% / 2.91%)] [148,127 / 27,051 (87.02%)]
1.0h 1.0h = 22,090
[22,090 (12.97% / 12.98%)] [170,217 / 22,090 (100.00%)]

Missing observations (146 / 0.09%)

Snow Depth

0cm 0cm = 14,346
[14,346 (8.42% / 99.72%)] [14,346 / 14,386 (99.72%)]
1cm - 5cm 1cm - 5cm = 32
[32 (0.02% / 0.22%)] [14,378 / 40 (99.94%)]
6cm - 10cm 6cm - 10cm = 8
[8 (0.00% / 0.06%)] [14,386 / 8 (100.00%)]

Missing observations (155,977 / 91.56%)