Station Number 40201
Prefecture Ibaraki [ Local Portal ]
Location 茨城県水戸市金町 水戸地方気象台 (MITO SHI, IBARAKI KEN)
Months of Observations 476
Number of Observations 347,712
Period of Observations
Period Name Lat. Long. Height Anemometer
1974/11/01 -- 1975/03/02 MITO 36.380N 140.467E 29m 0.0m
1975/03/03 -- 1986/12/31 MITO 36.380N 140.467E 29m 14.0m
1987/01/01 -- 1999/01/12 MITO 36.380N 140.467E 29m 14.0m
1999/01/13 -- 2012/02/08 MITO 36.380N 140.467E 29m 14.0m
2012/02/09 -- 2015/08/99 MITO 36.380N 140.467E 29m 14.7m
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
40900 MITO (Ibaraki) 0.00km 0deg.
40126 NAKANO (Ibaraki) 14.99km 2deg.
40251 MINORI (Ibaraki) 20.36km 218deg.
40191 KASAMA (Ibaraki) 20.43km 274deg.
40246 ATAGOSAN (Ibaraki) 21.49km 242deg.
40311 HOKOTA (Ibaraki) 24.13km 167deg.
40136 HITACHI (Ibaraki) 27.33km 35deg.
40091 HITACHIOMIYA (Ibaraki) 28.22km 333deg.
40241 KAKIOKA (Ibaraki) 29.90km 237deg.

Statistics for the Whole Period

Precipitation

0.0mm - 0.4mm 0.0mm - 0.4mm = 325,625
[325,625 (93.65% / 93.66%)] [325,625 / 347,671 (93.66%)]
0.5mm - 1.4mm 0.5mm - 1.4mm = 11,631
[11,631 (3.35% / 3.35%)] [337,256 / 22,046 (97.00%)]
1.5mm - 2.4mm 1.5mm - 2.4mm = 4,369
[4,369 (1.26% / 1.26%)] [341,625 / 10,415 (98.26%)]
2.5mm - 3.4mm 2.5mm - 3.4mm = 2,181
[2,181 (0.63% / 0.63%)] [343,806 / 6,046 (98.89%)]
3.5mm - 4.4mm 3.5mm - 4.4mm = 1,182
[1,182 (0.34% / 0.34%)] [344,988 / 3,865 (99.23%)]
4.5mm - 5.4mm 4.5mm - 5.4mm = 771
[771 (0.22% / 0.22%)] [345,759 / 2,683 (99.45%)]
5.5mm - 6.4mm 5.5mm - 6.4mm = 450
[450 (0.13% / 0.13%)] [346,209 / 1,912 (99.58%)]
6.5mm - 7.4mm 6.5mm - 7.4mm = 342
[342 (0.10% / 0.10%)] [346,551 / 1,462 (99.68%)]
7.5mm - 8.4mm 7.5mm - 8.4mm = 242
[242 (0.07% / 0.07%)] [346,793 / 1,120 (99.75%)]
8.5mm - 9.4mm 8.5mm - 9.4mm = 161
[161 (0.05% / 0.05%)] [346,954 / 878 (99.79%)]
9.5mm - 10.4mm 9.5mm - 10.4mm = 125
[125 (0.04% / 0.04%)] [347,079 / 717 (99.83%)]
10.5mm - 11.4mm 10.5mm - 11.4mm = 90
[90 (0.03% / 0.03%)] [347,169 / 592 (99.86%)]
11.5mm - 12.4mm 11.5mm - 12.4mm = 82
[82 (0.02% / 0.02%)] [347,251 / 502 (99.88%)]
12.5mm - 13.4mm 12.5mm - 13.4mm = 67
[67 (0.02% / 0.02%)] [347,318 / 420 (99.90%)]
13.5mm - 14.4mm 13.5mm - 14.4mm = 55
[55 (0.02% / 0.02%)] [347,373 / 353 (99.91%)]
14.5mm - 15.4mm 14.5mm - 15.4mm = 46
[46 (0.01% / 0.01%)] [347,419 / 298 (99.93%)]
15.5mm - 16.4mm 15.5mm - 16.4mm = 39
[39 (0.01% / 0.01%)] [347,458 / 252 (99.94%)]
16.5mm - 17.4mm 16.5mm - 17.4mm = 27
[27 (0.01% / 0.01%)] [347,485 / 213 (99.95%)]
17.5mm - 18.4mm 17.5mm - 18.4mm = 21
[21 (0.01% / 0.01%)] [347,506 / 186 (99.95%)]
18.5mm - 19.4mm 18.5mm - 19.4mm = 15
[15 (0.00% / 0.00%)] [347,521 / 165 (99.96%)]
19.5mm - 20.4mm 19.5mm - 20.4mm = 15
[15 (0.00% / 0.00%)] [347,536 / 150 (99.96%)]
20.5mm - 21.4mm 20.5mm - 21.4mm = 12
[12 (0.00% / 0.00%)] [347,548 / 135 (99.96%)]
21.5mm - 22.4mm 21.5mm - 22.4mm = 26
[26 (0.01% / 0.01%)] [347,574 / 123 (99.97%)]
22.5mm - 23.4mm 22.5mm - 23.4mm = 11
[11 (0.00% / 0.00%)] [347,585 / 97 (99.98%)]
23.5mm - 24.4mm 23.5mm - 24.4mm = 13
[13 (0.00% / 0.00%)] [347,598 / 86 (99.98%)]
24.5mm - 25.4mm 24.5mm - 25.4mm = 6
[6 (0.00% / 0.00%)] [347,604 / 73 (99.98%)]
25.5mm - 26.4mm 25.5mm - 26.4mm = 10
[10 (0.00% / 0.00%)] [347,614 / 67 (99.98%)]
26.5mm - 27.4mm 26.5mm - 27.4mm = 6
[6 (0.00% / 0.00%)] [347,620 / 57 (99.99%)]
27.5mm - 28.4mm 27.5mm - 28.4mm = 6
[6 (0.00% / 0.00%)] [347,626 / 51 (99.99%)]
28.5mm - 29.4mm 28.5mm - 29.4mm = 4
[4 (0.00% / 0.00%)] [347,630 / 45 (99.99%)]
29.5mm - 30.4mm 29.5mm - 30.4mm = 7
[7 (0.00% / 0.00%)] [347,637 / 41 (99.99%)]
30.5mm - 31.4mm 30.5mm - 31.4mm = 3
[3 (0.00% / 0.00%)] [347,640 / 34 (99.99%)]
31.5mm - 32.4mm 31.5mm - 32.4mm = 5
[5 (0.00% / 0.00%)] [347,645 / 31 (99.99%)]
32.5mm - 33.4mm 32.5mm - 33.4mm = 2
[2 (0.00% / 0.00%)] [347,647 / 26 (99.99%)]
33.5mm - 34.4mm 33.5mm - 34.4mm = 1
[1 (0.00% / 0.00%)] [347,648 / 24 (99.99%)]
34.5mm - 35.4mm 34.5mm - 35.4mm = 4
[4 (0.00% / 0.00%)] [347,652 / 23 (99.99%)]
35.5mm - 36.4mm 35.5mm - 36.4mm = 2
[2 (0.00% / 0.00%)] [347,654 / 19 (100.00%)]
36.5mm - 37.4mm 36.5mm - 37.4mm = 1
[1 (0.00% / 0.00%)] [347,655 / 17 (100.00%)]
37.5mm - 38.4mm 37.5mm - 38.4mm = 1
[1 (0.00% / 0.00%)] [347,656 / 16 (100.00%)]
38.5mm - 39.4mm 38.5mm - 39.4mm = 1
[1 (0.00% / 0.00%)] [347,657 / 15 (100.00%)]
39.5mm - 40.4mm 39.5mm - 40.4mm = 1
[1 (0.00% / 0.00%)] [347,658 / 14 (100.00%)]
40.5mm - 41.4mm 40.5mm - 41.4mm = 1
[1 (0.00% / 0.00%)] [347,659 / 13 (100.00%)]
42.5mm - 43.4mm 42.5mm - 43.4mm = 4
[4 (0.00% / 0.00%)] [347,663 / 12 (100.00%)]
43.5mm - 44.4mm 43.5mm - 44.4mm = 3
[3 (0.00% / 0.00%)] [347,666 / 8 (100.00%)]
44.5mm - 45.4mm 44.5mm - 45.4mm = 1
[1 (0.00% / 0.00%)] [347,667 / 5 (100.00%)]
46.5mm - 47.4mm 46.5mm - 47.4mm = 1
[1 (0.00% / 0.00%)] [347,668 / 4 (100.00%)]
48.5mm - 49.4mm 48.5mm - 49.4mm = 1
[1 (0.00% / 0.00%)] [347,669 / 3 (100.00%)]
53.5mm - 54.4mm 53.5mm - 54.4mm = 1
[1 (0.00% / 0.00%)] [347,670 / 2 (100.00%)]
60.5mm - 61.4mm 60.5mm - 61.4mm = 1
[1 (0.00% / 0.00%)] [347,671 / 1 (100.00%)]

Missing observations (41 / 0.01%)

Wind Direction

Calm Calm = 18,073
[18,073 (5.20% / 5.21%)] [0 / 0 (NA)]
NNE NNE = 21,280
[21,280 (6.12% / 6.14%)] [0 / 0 (NA)]
NE NE = 23,752
[23,752 (6.83% / 6.85%)] [0 / 0 (NA)]
ENE ENE = 32,155
[32,155 (9.25% / 9.28%)] [0 / 0 (NA)]
E E = 30,200
[30,200 (8.69% / 8.71%)] [0 / 0 (NA)]
ESE ESE = 12,292
[12,292 (3.54% / 3.55%)] [0 / 0 (NA)]
SE SE = 9,674
[9,674 (2.78% / 2.79%)] [0 / 0 (NA)]
SSE SSE = 5,033
[5,033 (1.45% / 1.45%)] [0 / 0 (NA)]
S S = 9,201
[9,201 (2.65% / 2.65%)] [0 / 0 (NA)]
SSW SSW = 18,318
[18,318 (5.27% / 5.28%)] [0 / 0 (NA)]
SW SW = 13,724
[13,724 (3.95% / 3.96%)] [0 / 0 (NA)]
WSW WSW = 9,790
[9,790 (2.82% / 2.82%)] [0 / 0 (NA)]
W W = 9,820
[9,820 (2.82% / 2.83%)] [0 / 0 (NA)]
WNW WNW = 9,322
[9,322 (2.68% / 2.69%)] [0 / 0 (NA)]
NW NW = 21,630
[21,630 (6.22% / 6.24%)] [0 / 0 (NA)]
NNW NNW = 53,414
[53,414 (15.36% / 15.41%)] [0 / 0 (NA)]
N N = 48,957
[48,957 (14.08% / 14.12%)] [0 / 0 (NA)]

Missing observations (1,077 / 0.31%)

Wind Speed

0.0m/s - 0.4m/s 0.0m/s - 0.4m/s = 18,742
[18,742 (5.39% / 5.39%)] [18,742 / 347,599 (5.39%)]
0.5m/s - 1.4m/s 0.5m/s - 1.4m/s = 111,899
[111,899 (32.18% / 32.19%)] [130,641 / 328,857 (37.58%)]
1.5m/s - 2.4m/s 1.5m/s - 2.4m/s = 99,487
[99,487 (28.61% / 28.62%)] [230,128 / 216,958 (66.21%)]
2.5m/s - 3.4m/s 2.5m/s - 3.4m/s = 56,704
[56,704 (16.31% / 16.31%)] [286,832 / 117,471 (82.52%)]
3.5m/s - 4.4m/s 3.5m/s - 4.4m/s = 33,031
[33,031 (9.50% / 9.50%)] [319,863 / 60,767 (92.02%)]
4.5m/s - 5.4m/s 4.5m/s - 5.4m/s = 15,606
[15,606 (4.49% / 4.49%)] [335,469 / 27,736 (96.51%)]
5.5m/s - 6.4m/s 5.5m/s - 6.4m/s = 6,902
[6,902 (1.98% / 1.99%)] [342,371 / 12,130 (98.50%)]
6.5m/s - 7.4m/s 6.5m/s - 7.4m/s = 2,966
[2,966 (0.85% / 0.85%)] [345,337 / 5,228 (99.35%)]
7.5m/s - 8.4m/s 7.5m/s - 8.4m/s = 1,237
[1,237 (0.36% / 0.36%)] [346,574 / 2,262 (99.71%)]
8.5m/s - 9.4m/s 8.5m/s - 9.4m/s = 533
[533 (0.15% / 0.15%)] [347,107 / 1,025 (99.86%)]
9.5m/s - 10.4m/s 9.5m/s - 10.4m/s = 265
[265 (0.08% / 0.08%)] [347,372 / 492 (99.93%)]
10.5m/s - 11.4m/s 10.5m/s - 11.4m/s = 121
[121 (0.03% / 0.03%)] [347,493 / 227 (99.97%)]
11.5m/s - 12.4m/s 11.5m/s - 12.4m/s = 56
[56 (0.02% / 0.02%)] [347,549 / 106 (99.99%)]
12.5m/s - 13.4m/s 12.5m/s - 13.4m/s = 27
[27 (0.01% / 0.01%)] [347,576 / 50 (99.99%)]
13.5m/s - 14.4m/s 13.5m/s - 14.4m/s = 10
[10 (0.00% / 0.00%)] [347,586 / 23 (100.00%)]
14.5m/s - 15.4m/s 14.5m/s - 15.4m/s = 6
[6 (0.00% / 0.00%)] [347,592 / 13 (100.00%)]
15.5m/s - 16.4m/s 15.5m/s - 16.4m/s = 4
[4 (0.00% / 0.00%)] [347,596 / 7 (100.00%)]
16.5m/s - 17.4m/s 16.5m/s - 17.4m/s = 2
[2 (0.00% / 0.00%)] [347,598 / 3 (100.00%)]
17.5m/s - 18.4m/s 17.5m/s - 18.4m/s = 1
[1 (0.00% / 0.00%)] [347,599 / 1 (100.00%)]

Missing observations (113 / 0.03%)

Temperature

-10.5C - -9.6C -10.5C - -9.6C = 1
[1 (0.00% / 0.00%)] [1 / 347,662 (0.00%)]
-9.5C - -8.6C -9.5C - -8.6C = 9
[9 (0.00% / 0.00%)] [10 / 347,661 (0.00%)]
-8.5C - -7.6C -8.5C - -7.6C = 21
[21 (0.01% / 0.01%)] [31 / 347,652 (0.01%)]
-7.5C - -6.6C -7.5C - -6.6C = 84
[84 (0.02% / 0.02%)] [115 / 347,631 (0.03%)]
-6.5C - -5.6C -6.5C - -5.6C = 184
[184 (0.05% / 0.05%)] [299 / 347,547 (0.09%)]
-5.5C - -4.6C -5.5C - -4.6C = 472
[472 (0.14% / 0.14%)] [771 / 347,363 (0.22%)]
-4.5C - -3.6C -4.5C - -3.6C = 936
[936 (0.27% / 0.27%)] [1,707 / 346,891 (0.49%)]
-3.5C - -2.6C -3.5C - -2.6C = 1,642
[1,642 (0.47% / 0.47%)] [3,349 / 345,955 (0.96%)]
-2.5C - -1.6C -2.5C - -1.6C = 2,801
[2,801 (0.81% / 0.81%)] [6,150 / 344,313 (1.77%)]
-1.5C - -0.6C -1.5C - -0.6C = 4,558
[4,558 (1.31% / 1.31%)] [10,708 / 341,512 (3.08%)]
-0.5C - 0.4C -0.5C - 0.4C = 13,187
[13,187 (3.79% / 3.79%)] [23,895 / 336,954 (6.87%)]
0.5C - 1.4C 0.5C - 1.4C = 8,776
[8,776 (2.52% / 2.52%)] [32,671 / 323,767 (9.40%)]
1.5C - 2.4C 1.5C - 2.4C = 9,091
[9,091 (2.61% / 2.61%)] [41,762 / 314,991 (12.01%)]
2.5C - 3.4C 2.5C - 3.4C = 9,883
[9,883 (2.84% / 2.84%)] [51,645 / 305,900 (14.85%)]
3.5C - 4.4C 3.5C - 4.4C = 10,807
[10,807 (3.11% / 3.11%)] [62,452 / 296,017 (17.96%)]
4.5C - 5.4C 4.5C - 5.4C = 11,325
[11,325 (3.26% / 3.26%)] [73,777 / 285,210 (21.22%)]
5.5C - 6.4C 5.5C - 6.4C = 11,592
[11,592 (3.33% / 3.33%)] [85,369 / 273,885 (24.56%)]
6.5C - 7.4C 6.5C - 7.4C = 12,230
[12,230 (3.52% / 3.52%)] [97,599 / 262,293 (28.07%)]
7.5C - 8.4C 7.5C - 8.4C = 11,867
[11,867 (3.41% / 3.41%)] [109,466 / 250,063 (31.49%)]
8.5C - 9.4C 8.5C - 9.4C = 11,697
[11,697 (3.36% / 3.36%)] [121,163 / 238,196 (34.85%)]
9.5C - 10.4C 9.5C - 10.4C = 11,070
[11,070 (3.18% / 3.18%)] [132,233 / 226,499 (38.03%)]
10.5C - 11.4C 10.5C - 11.4C = 11,044
[11,044 (3.18% / 3.18%)] [143,277 / 215,429 (41.21%)]
11.5C - 12.4C 11.5C - 12.4C = 11,058
[11,058 (3.18% / 3.18%)] [154,335 / 204,385 (44.39%)]
12.5C - 13.4C 12.5C - 13.4C = 11,193
[11,193 (3.22% / 3.22%)] [165,528 / 193,327 (47.61%)]
13.5C - 14.4C 13.5C - 14.4C = 10,912
[10,912 (3.14% / 3.14%)] [176,440 / 182,134 (50.75%)]
14.5C - 15.4C 14.5C - 15.4C = 12,047
[12,047 (3.46% / 3.47%)] [188,487 / 171,222 (54.22%)]
15.5C - 16.4C 15.5C - 16.4C = 12,521
[12,521 (3.60% / 3.60%)] [201,008 / 159,175 (57.82%)]
16.5C - 17.4C 16.5C - 17.4C = 13,404
[13,404 (3.85% / 3.86%)] [214,412 / 146,654 (61.67%)]
17.5C - 18.4C 17.5C - 18.4C = 14,277
[14,277 (4.11% / 4.11%)] [228,689 / 133,250 (65.78%)]
18.5C - 19.4C 18.5C - 19.4C = 14,507
[14,507 (4.17% / 4.17%)] [243,196 / 118,973 (69.95%)]
19.5C - 20.4C 19.5C - 20.4C = 13,685
[13,685 (3.94% / 3.94%)] [256,881 / 104,466 (73.89%)]
20.5C - 21.4C 20.5C - 21.4C = 13,732
[13,732 (3.95% / 3.95%)] [270,613 / 90,781 (77.84%)]
21.5C - 22.4C 21.5C - 22.4C = 13,113
[13,113 (3.77% / 3.77%)] [283,726 / 77,049 (81.61%)]
22.5C - 23.4C 22.5C - 23.4C = 12,818
[12,818 (3.69% / 3.69%)] [296,544 / 63,936 (85.30%)]
23.5C - 24.4C 23.5C - 24.4C = 11,877
[11,877 (3.42% / 3.42%)] [308,421 / 51,118 (88.71%)]
24.5C - 25.4C 24.5C - 25.4C = 9,968
[9,968 (2.87% / 2.87%)] [318,389 / 39,241 (91.58%)]
25.5C - 26.4C 25.5C - 26.4C = 7,778
[7,778 (2.24% / 2.24%)] [326,167 / 29,273 (93.82%)]
26.5C - 27.4C 26.5C - 27.4C = 5,899
[5,899 (1.70% / 1.70%)] [332,066 / 21,495 (95.51%)]
27.5C - 28.4C 27.5C - 28.4C = 4,447
[4,447 (1.28% / 1.28%)] [336,513 / 15,596 (96.79%)]
28.5C - 29.4C 28.5C - 29.4C = 3,491
[3,491 (1.00% / 1.00%)] [340,004 / 11,149 (97.80%)]
29.5C - 30.4C 29.5C - 30.4C = 2,633
[2,633 (0.76% / 0.76%)] [342,637 / 7,658 (98.55%)]
30.5C - 31.4C 30.5C - 31.4C = 2,108
[2,108 (0.61% / 0.61%)] [344,745 / 5,025 (99.16%)]
31.5C - 32.4C 31.5C - 32.4C = 1,435
[1,435 (0.41% / 0.41%)] [346,180 / 2,917 (99.57%)]
32.5C - 33.4C 32.5C - 33.4C = 875
[875 (0.25% / 0.25%)] [347,055 / 1,482 (99.83%)]
33.5C - 34.4C 33.5C - 34.4C = 428
[428 (0.12% / 0.12%)] [347,483 / 607 (99.95%)]
34.5C - 35.4C 34.5C - 35.4C = 137
[137 (0.04% / 0.04%)] [347,620 / 179 (99.99%)]
35.5C - 36.4C 35.5C - 36.4C = 32
[32 (0.01% / 0.01%)] [347,652 / 42 (100.00%)]
36.5C - 37.4C 36.5C - 37.4C = 5
[5 (0.00% / 0.00%)] [347,657 / 10 (100.00%)]
37.5C - 38.4C 37.5C - 38.4C = 5
[5 (0.00% / 0.00%)] [347,662 / 5 (100.00%)]

Missing observations (50 / 0.01%)

Sunshine Duration

0.0h 0.0h = 238,975
[238,975 (68.73% / 68.79%)] [238,975 / 347,404 (68.79%)]
0.1h 0.1h = 7,640
[7,640 (2.20% / 2.20%)] [246,615 / 108,429 (70.99%)]
0.2h 0.2h = 5,713
[5,713 (1.64% / 1.64%)] [252,328 / 100,789 (72.63%)]
0.3h 0.3h = 5,036
[5,036 (1.45% / 1.45%)] [257,364 / 95,076 (74.08%)]
0.4h 0.4h = 4,908
[4,908 (1.41% / 1.41%)] [262,272 / 90,040 (75.49%)]
0.5h 0.5h = 5,003
[5,003 (1.44% / 1.44%)] [267,275 / 85,132 (76.93%)]
0.6h 0.6h = 5,020
[5,020 (1.44% / 1.45%)] [272,295 / 80,129 (78.38%)]
0.7h 0.7h = 5,515
[5,515 (1.59% / 1.59%)] [277,810 / 75,109 (79.97%)]
0.8h 0.8h = 6,432
[6,432 (1.85% / 1.85%)] [284,242 / 69,594 (81.82%)]
0.9h 0.9h = 8,288
[8,288 (2.38% / 2.39%)] [292,530 / 63,162 (84.20%)]
1.0h 1.0h = 54,874
[54,874 (15.78% / 15.80%)] [347,404 / 54,874 (100.00%)]

Missing observations (308 / 0.09%)

Snow Depth

0cm 0cm = 34,086
[34,086 (9.80% / 99.05%)] [34,086 / 34,414 (99.05%)]
1cm - 5cm 1cm - 5cm = 224
[224 (0.06% / 0.65%)] [34,310 / 328 (99.70%)]
6cm - 10cm 6cm - 10cm = 92
[92 (0.03% / 0.27%)] [34,402 / 104 (99.97%)]
11cm - 15cm 11cm - 15cm = 12
[12 (0.00% / 0.03%)] [34,414 / 12 (100.00%)]

Missing observations (313,298 / 90.10%)