Station Number 40251
Prefecture Ibaraki [ Local Portal ]
Location 茨城県小美玉市部室 (OMITAMA SHI, IBARAKI KEN)
Months of Observations 432
Number of Observations 315,600
Period of Observations
Period Name Lat. Long. Height Anemometer
1975/05/20 -- 2015/08/99 MINORI 36.237N 140.325E 25m 0.0m
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
40246 ATAGOSAN (Ibaraki) 8.61km 313deg.
40241 KAKIOKA (Ibaraki) 12.32km 267deg.
40341 TSUCHIURA (Ibaraki) 17.62km 212deg.
40191 KASAMA (Ibaraki) 19.12km 336deg.
40311 HOKOTA (Ibaraki) 19.71km 112deg.
40201 MITO (Ibaraki) 20.36km 38deg.
40900 MITO (Ibaraki) 20.36km 38deg.
40242 TSUKUBASAN (Ibaraki) 20.45km 266deg.
40243 TSUKUBASAN (Ibaraki) 20.45km 266deg.
40336 TSUKUBA (Ibaraki) 26.89km 222deg.
40905 (Ibaraki) 26.89km 222deg.
40181 KADOI (Ibaraki) 28.31km 292deg.

Statistics for the Whole Period

Precipitation

0.0mm - 0.4mm 0.0mm - 0.4mm = 293,933
[293,933 (93.13% / 93.41%)] [293,933 / 314,667 (93.41%)]
0.5mm - 1.4mm 0.5mm - 1.4mm = 11,366
[11,366 (3.60% / 3.61%)] [305,299 / 20,734 (97.02%)]
1.5mm - 2.4mm 1.5mm - 2.4mm = 4,069
[4,069 (1.29% / 1.29%)] [309,368 / 9,368 (98.32%)]
2.5mm - 3.4mm 2.5mm - 3.4mm = 1,977
[1,977 (0.63% / 0.63%)] [311,345 / 5,299 (98.94%)]
3.5mm - 4.4mm 3.5mm - 4.4mm = 1,064
[1,064 (0.34% / 0.34%)] [312,409 / 3,322 (99.28%)]
4.5mm - 5.4mm 4.5mm - 5.4mm = 618
[618 (0.20% / 0.20%)] [313,027 / 2,258 (99.48%)]
5.5mm - 6.4mm 5.5mm - 6.4mm = 431
[431 (0.14% / 0.14%)] [313,458 / 1,640 (99.62%)]
6.5mm - 7.4mm 6.5mm - 7.4mm = 276
[276 (0.09% / 0.09%)] [313,734 / 1,209 (99.70%)]
7.5mm - 8.4mm 7.5mm - 8.4mm = 192
[192 (0.06% / 0.06%)] [313,926 / 933 (99.76%)]
8.5mm - 9.4mm 8.5mm - 9.4mm = 158
[158 (0.05% / 0.05%)] [314,084 / 741 (99.81%)]
9.5mm - 10.4mm 9.5mm - 10.4mm = 100
[100 (0.03% / 0.03%)] [314,184 / 583 (99.85%)]
10.5mm - 11.4mm 10.5mm - 11.4mm = 93
[93 (0.03% / 0.03%)] [314,277 / 483 (99.88%)]
11.5mm - 12.4mm 11.5mm - 12.4mm = 63
[63 (0.02% / 0.02%)] [314,340 / 390 (99.90%)]
12.5mm - 13.4mm 12.5mm - 13.4mm = 48
[48 (0.02% / 0.02%)] [314,388 / 327 (99.91%)]
13.5mm - 14.4mm 13.5mm - 14.4mm = 50
[50 (0.02% / 0.02%)] [314,438 / 279 (99.93%)]
14.5mm - 15.4mm 14.5mm - 15.4mm = 40
[40 (0.01% / 0.01%)] [314,478 / 229 (99.94%)]
15.5mm - 16.4mm 15.5mm - 16.4mm = 33
[33 (0.01% / 0.01%)] [314,511 / 189 (99.95%)]
16.5mm - 17.4mm 16.5mm - 17.4mm = 19
[19 (0.01% / 0.01%)] [314,530 / 156 (99.96%)]
17.5mm - 18.4mm 17.5mm - 18.4mm = 15
[15 (0.00% / 0.00%)] [314,545 / 137 (99.96%)]
18.5mm - 19.4mm 18.5mm - 19.4mm = 18
[18 (0.01% / 0.01%)] [314,563 / 122 (99.97%)]
19.5mm - 20.4mm 19.5mm - 20.4mm = 18
[18 (0.01% / 0.01%)] [314,581 / 104 (99.97%)]
20.5mm - 21.4mm 20.5mm - 21.4mm = 18
[18 (0.01% / 0.01%)] [314,599 / 86 (99.98%)]
21.5mm - 22.4mm 21.5mm - 22.4mm = 12
[12 (0.00% / 0.00%)] [314,611 / 68 (99.98%)]
22.5mm - 23.4mm 22.5mm - 23.4mm = 4
[4 (0.00% / 0.00%)] [314,615 / 56 (99.98%)]
23.5mm - 24.4mm 23.5mm - 24.4mm = 6
[6 (0.00% / 0.00%)] [314,621 / 52 (99.99%)]
24.5mm - 25.4mm 24.5mm - 25.4mm = 7
[7 (0.00% / 0.00%)] [314,628 / 46 (99.99%)]
25.5mm - 26.4mm 25.5mm - 26.4mm = 1
[1 (0.00% / 0.00%)] [314,629 / 39 (99.99%)]
26.5mm - 27.4mm 26.5mm - 27.4mm = 8
[8 (0.00% / 0.00%)] [314,637 / 38 (99.99%)]
27.5mm - 28.4mm 27.5mm - 28.4mm = 5
[5 (0.00% / 0.00%)] [314,642 / 30 (99.99%)]
28.5mm - 29.4mm 28.5mm - 29.4mm = 3
[3 (0.00% / 0.00%)] [314,645 / 25 (99.99%)]
29.5mm - 30.4mm 29.5mm - 30.4mm = 3
[3 (0.00% / 0.00%)] [314,648 / 22 (99.99%)]
30.5mm - 31.4mm 30.5mm - 31.4mm = 1
[1 (0.00% / 0.00%)] [314,649 / 19 (99.99%)]
31.5mm - 32.4mm 31.5mm - 32.4mm = 1
[1 (0.00% / 0.00%)] [314,650 / 18 (99.99%)]
33.5mm - 34.4mm 33.5mm - 34.4mm = 4
[4 (0.00% / 0.00%)] [314,654 / 17 (100.00%)]
34.5mm - 35.4mm 34.5mm - 35.4mm = 1
[1 (0.00% / 0.00%)] [314,655 / 13 (100.00%)]
35.5mm - 36.4mm 35.5mm - 36.4mm = 1
[1 (0.00% / 0.00%)] [314,656 / 12 (100.00%)]
37.5mm - 38.4mm 37.5mm - 38.4mm = 3
[3 (0.00% / 0.00%)] [314,659 / 11 (100.00%)]
39.5mm - 40.4mm 39.5mm - 40.4mm = 1
[1 (0.00% / 0.00%)] [314,660 / 8 (100.00%)]
40.5mm - 41.4mm 40.5mm - 41.4mm = 1
[1 (0.00% / 0.00%)] [314,661 / 7 (100.00%)]
41.5mm - 42.4mm 41.5mm - 42.4mm = 1
[1 (0.00% / 0.00%)] [314,662 / 6 (100.00%)]
42.5mm - 43.4mm 42.5mm - 43.4mm = 2
[2 (0.00% / 0.00%)] [314,664 / 5 (100.00%)]
45.5mm - 46.4mm 45.5mm - 46.4mm = 1
[1 (0.00% / 0.00%)] [314,665 / 3 (100.00%)]
49.5mm - 50.4mm 49.5mm - 50.4mm = 1
[1 (0.00% / 0.00%)] [314,666 / 2 (100.00%)]
57.5mm - 58.4mm 57.5mm - 58.4mm = 1
[1 (0.00% / 0.00%)] [314,667 / 1 (100.00%)]

Missing observations (933 / 0.30%)