Station Number 40341
Prefecture Ibaraki [ Local Portal ]
Location 茨城県土浦市木田余東台 (TSUCHIURA SHI, IBARAKI KEN)
Months of Observations 474
Number of Observations 345,922
Period of Observations
Period Name Lat. Long. Height Anemometer
1974/11/01 -- 1978/01/11 TSUCHIURA 36.095N 140.207E 26m 0.0m
1978/01/12 -- 1986/04/15 TSUCHIURA 36.095N 140.207E 26m 6.5m
1986/04/16 -- 2008/01/24 TSUCHIURA 36.095N 140.207E 26m 6.5m
2008/01/25 -- 2009/12/24 TSUCHIURA 36.095N 140.207E 26m 6.5m
2009/12/25 -- 2015/08/99 TSUCHIURA 36.103N 140.220E 26m 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
40336 TSUKUBA (Ibaraki) 9.96km 239deg.
40905 (Ibaraki) 9.96km 239deg.
40241 KAKIOKA (Ibaraki) 14.71km 348deg.
40242 TSUKUBASAN (Ibaraki) 17.43km 320deg.
40243 TSUKUBASAN (Ibaraki) 17.43km 320deg.
40251 MINORI (Ibaraki) 17.62km 32deg.
40391 EDOSAKI (Ibaraki) 18.25km 150deg.
40246 ATAGOSAN (Ibaraki) 20.99km 8deg.
40282 JOSO (Ibaraki) 21.64km 273deg.
40426 RYUGASAKI (Ibaraki) 23.65km 181deg.
40281 SHIMOTSUMA (Ibaraki) 25.78km 286deg.
45061 ABIKO (Chiba) 28.42km 200deg.
40311 HOKOTA (Ibaraki) 28.56km 75deg.
40231 SHIMODATE (Ibaraki) 28.81km 313deg.

Statistics for the Whole Period

Precipitation

0.0mm - 0.4mm 0.0mm - 0.4mm = 324,029
[324,029 (93.67% / 93.88%)] [324,029 / 345,170 (93.88%)]
0.5mm - 1.4mm 0.5mm - 1.4mm = 11,881
[11,881 (3.43% / 3.44%)] [335,910 / 21,141 (97.32%)]
1.5mm - 2.4mm 1.5mm - 2.4mm = 4,170
[4,170 (1.21% / 1.21%)] [340,080 / 9,260 (98.53%)]
2.5mm - 3.4mm 2.5mm - 3.4mm = 1,912
[1,912 (0.55% / 0.55%)] [341,992 / 5,090 (99.08%)]
3.5mm - 4.4mm 3.5mm - 4.4mm = 980
[980 (0.28% / 0.28%)] [342,972 / 3,178 (99.36%)]
4.5mm - 5.4mm 4.5mm - 5.4mm = 618
[618 (0.18% / 0.18%)] [343,590 / 2,198 (99.54%)]
5.5mm - 6.4mm 5.5mm - 6.4mm = 387
[387 (0.11% / 0.11%)] [343,977 / 1,580 (99.65%)]
6.5mm - 7.4mm 6.5mm - 7.4mm = 259
[259 (0.07% / 0.08%)] [344,236 / 1,193 (99.73%)]
7.5mm - 8.4mm 7.5mm - 8.4mm = 201
[201 (0.06% / 0.06%)] [344,437 / 934 (99.79%)]
8.5mm - 9.4mm 8.5mm - 9.4mm = 144
[144 (0.04% / 0.04%)] [344,581 / 733 (99.83%)]
9.5mm - 10.4mm 9.5mm - 10.4mm = 113
[113 (0.03% / 0.03%)] [344,694 / 589 (99.86%)]
10.5mm - 11.4mm 10.5mm - 11.4mm = 104
[104 (0.03% / 0.03%)] [344,798 / 476 (99.89%)]
11.5mm - 12.4mm 11.5mm - 12.4mm = 66
[66 (0.02% / 0.02%)] [344,864 / 372 (99.91%)]
12.5mm - 13.4mm 12.5mm - 13.4mm = 56
[56 (0.02% / 0.02%)] [344,920 / 306 (99.93%)]
13.5mm - 14.4mm 13.5mm - 14.4mm = 39
[39 (0.01% / 0.01%)] [344,959 / 250 (99.94%)]
14.5mm - 15.4mm 14.5mm - 15.4mm = 26
[26 (0.01% / 0.01%)] [344,985 / 211 (99.95%)]
15.5mm - 16.4mm 15.5mm - 16.4mm = 26
[26 (0.01% / 0.01%)] [345,011 / 185 (99.95%)]
16.5mm - 17.4mm 16.5mm - 17.4mm = 19
[19 (0.01% / 0.01%)] [345,030 / 159 (99.96%)]
17.5mm - 18.4mm 17.5mm - 18.4mm = 21
[21 (0.01% / 0.01%)] [345,051 / 140 (99.97%)]
18.5mm - 19.4mm 18.5mm - 19.4mm = 13
[13 (0.00% / 0.00%)] [345,064 / 119 (99.97%)]
19.5mm - 20.4mm 19.5mm - 20.4mm = 12
[12 (0.00% / 0.00%)] [345,076 / 106 (99.97%)]
20.5mm - 21.4mm 20.5mm - 21.4mm = 20
[20 (0.01% / 0.01%)] [345,096 / 94 (99.98%)]
21.5mm - 22.4mm 21.5mm - 22.4mm = 8
[8 (0.00% / 0.00%)] [345,104 / 74 (99.98%)]
22.5mm - 23.4mm 22.5mm - 23.4mm = 11
[11 (0.00% / 0.00%)] [345,115 / 66 (99.98%)]
23.5mm - 24.4mm 23.5mm - 24.4mm = 11
[11 (0.00% / 0.00%)] [345,126 / 55 (99.99%)]
24.5mm - 25.4mm 24.5mm - 25.4mm = 5
[5 (0.00% / 0.00%)] [345,131 / 44 (99.99%)]
25.5mm - 26.4mm 25.5mm - 26.4mm = 5
[5 (0.00% / 0.00%)] [345,136 / 39 (99.99%)]
26.5mm - 27.4mm 26.5mm - 27.4mm = 1
[1 (0.00% / 0.00%)] [345,137 / 34 (99.99%)]
27.5mm - 28.4mm 27.5mm - 28.4mm = 3
[3 (0.00% / 0.00%)] [345,140 / 33 (99.99%)]
28.5mm - 29.4mm 28.5mm - 29.4mm = 5
[5 (0.00% / 0.00%)] [345,145 / 30 (99.99%)]
29.5mm - 30.4mm 29.5mm - 30.4mm = 4
[4 (0.00% / 0.00%)] [345,149 / 25 (99.99%)]
30.5mm - 31.4mm 30.5mm - 31.4mm = 1
[1 (0.00% / 0.00%)] [345,150 / 21 (99.99%)]
31.5mm - 32.4mm 31.5mm - 32.4mm = 5
[5 (0.00% / 0.00%)] [345,155 / 20 (100.00%)]
32.5mm - 33.4mm 32.5mm - 33.4mm = 3
[3 (0.00% / 0.00%)] [345,158 / 15 (100.00%)]
33.5mm - 34.4mm 33.5mm - 34.4mm = 3
[3 (0.00% / 0.00%)] [345,161 / 12 (100.00%)]
34.5mm - 35.4mm 34.5mm - 35.4mm = 1
[1 (0.00% / 0.00%)] [345,162 / 9 (100.00%)]
35.5mm - 36.4mm 35.5mm - 36.4mm = 1
[1 (0.00% / 0.00%)] [345,163 / 8 (100.00%)]
36.5mm - 37.4mm 36.5mm - 37.4mm = 4
[4 (0.00% / 0.00%)] [345,167 / 7 (100.00%)]
37.5mm - 38.4mm 37.5mm - 38.4mm = 1
[1 (0.00% / 0.00%)] [345,168 / 3 (100.00%)]
40.5mm - 41.4mm 40.5mm - 41.4mm = 1
[1 (0.00% / 0.00%)] [345,169 / 2 (100.00%)]
51.5mm - 52.4mm 51.5mm - 52.4mm = 1
[1 (0.00% / 0.00%)] [345,170 / 1 (100.00%)]

Missing observations (752 / 0.22%)

Wind Direction

Calm Calm = 64,779
[64,779 (18.73% / 19.66%)] [0 / 0 (NA)]
NNE NNE = 12,657
[12,657 (3.66% / 3.84%)] [0 / 0 (NA)]
NE NE = 11,382
[11,382 (3.29% / 3.46%)] [0 / 0 (NA)]
ENE ENE = 62,280
[62,280 (18.00% / 18.91%)] [0 / 0 (NA)]
E E = 44,182
[44,182 (12.77% / 13.41%)] [0 / 0 (NA)]
ESE ESE = 10,867
[10,867 (3.14% / 3.30%)] [0 / 0 (NA)]
SE SE = 6,315
[6,315 (1.83% / 1.92%)] [0 / 0 (NA)]
SSE SSE = 6,383
[6,383 (1.85% / 1.94%)] [0 / 0 (NA)]
S S = 15,854
[15,854 (4.58% / 4.81%)] [0 / 0 (NA)]
SSW SSW = 8,639
[8,639 (2.50% / 2.62%)] [0 / 0 (NA)]
SW SW = 4,470
[4,470 (1.29% / 1.36%)] [0 / 0 (NA)]
WSW WSW = 9,585
[9,585 (2.77% / 2.91%)] [0 / 0 (NA)]
W W = 38,414
[38,414 (11.10% / 11.66%)] [0 / 0 (NA)]
WNW WNW = 15,858
[15,858 (4.58% / 4.81%)] [0 / 0 (NA)]
NW NW = 4,346
[4,346 (1.26% / 1.32%)] [0 / 0 (NA)]
NNW NNW = 5,165
[5,165 (1.49% / 1.57%)] [0 / 0 (NA)]
N N = 8,250
[8,250 (2.38% / 2.50%)] [0 / 0 (NA)]

Missing observations (16,496 / 4.77%)

Wind Speed

0.0m/s - 0.4m/s 0.0m/s - 0.4m/s = 66,665
[66,665 (19.27% / 20.24%)] [66,665 / 329,427 (20.24%)]
0.5m/s - 1.4m/s 0.5m/s - 1.4m/s = 126,123
[126,123 (36.46% / 38.29%)] [192,788 / 262,762 (58.52%)]
1.5m/s - 2.4m/s 1.5m/s - 2.4m/s = 78,084
[78,084 (22.57% / 23.70%)] [270,872 / 136,639 (82.23%)]
2.5m/s - 3.4m/s 2.5m/s - 3.4m/s = 35,908
[35,908 (10.38% / 10.90%)] [306,780 / 58,555 (93.13%)]
3.5m/s - 4.4m/s 3.5m/s - 4.4m/s = 14,408
[14,408 (4.17% / 4.37%)] [321,188 / 22,647 (97.50%)]
4.5m/s - 5.4m/s 4.5m/s - 5.4m/s = 5,407
[5,407 (1.56% / 1.64%)] [326,595 / 8,239 (99.14%)]
5.5m/s - 6.4m/s 5.5m/s - 6.4m/s = 1,879
[1,879 (0.54% / 0.57%)] [328,474 / 2,832 (99.71%)]
6.5m/s - 7.4m/s 6.5m/s - 7.4m/s = 650
[650 (0.19% / 0.20%)] [329,124 / 953 (99.91%)]
7.5m/s - 8.4m/s 7.5m/s - 8.4m/s = 215
[215 (0.06% / 0.07%)] [329,339 / 303 (99.97%)]
8.5m/s - 9.4m/s 8.5m/s - 9.4m/s = 64
[64 (0.02% / 0.02%)] [329,403 / 88 (99.99%)]
9.5m/s - 10.4m/s 9.5m/s - 10.4m/s = 13
[13 (0.00% / 0.00%)] [329,416 / 24 (100.00%)]
10.5m/s - 11.4m/s 10.5m/s - 11.4m/s = 9
[9 (0.00% / 0.00%)] [329,425 / 11 (100.00%)]
11.5m/s - 12.4m/s 11.5m/s - 12.4m/s = 1
[1 (0.00% / 0.00%)] [329,426 / 2 (100.00%)]
12.5m/s - 13.4m/s 12.5m/s - 13.4m/s = 1
[1 (0.00% / 0.00%)] [329,427 / 1 (100.00%)]

Missing observations (16,495 / 4.77%)

Temperature

-7.5C - -6.6C -7.5C - -6.6C = 1
[1 (0.00% / 0.00%)] [1 / 329,547 (0.00%)]
-6.5C - -5.6C -6.5C - -5.6C = 29
[29 (0.01% / 0.01%)] [30 / 329,546 (0.01%)]
-5.5C - -4.6C -5.5C - -4.6C = 98
[98 (0.03% / 0.03%)] [128 / 329,517 (0.04%)]
-4.5C - -3.6C -4.5C - -3.6C = 306
[306 (0.09% / 0.09%)] [434 / 329,419 (0.13%)]
-3.5C - -2.6C -3.5C - -2.6C = 703
[703 (0.20% / 0.21%)] [1,137 / 329,113 (0.35%)]
-2.5C - -1.6C -2.5C - -1.6C = 1,508
[1,508 (0.44% / 0.46%)] [2,645 / 328,410 (0.80%)]
-1.5C - -0.6C -1.5C - -0.6C = 2,703
[2,703 (0.78% / 0.82%)] [5,348 / 326,902 (1.62%)]
-0.5C - 0.4C -0.5C - 0.4C = 9,517
[9,517 (2.75% / 2.89%)] [14,865 / 324,199 (4.51%)]
0.5C - 1.4C 0.5C - 1.4C = 7,038
[7,038 (2.03% / 2.14%)] [21,903 / 314,682 (6.65%)]
1.5C - 2.4C 1.5C - 2.4C = 8,006
[8,006 (2.31% / 2.43%)] [29,909 / 307,644 (9.08%)]
2.5C - 3.4C 2.5C - 3.4C = 9,095
[9,095 (2.63% / 2.76%)] [39,004 / 299,638 (11.84%)]
3.5C - 4.4C 3.5C - 4.4C = 10,524
[10,524 (3.04% / 3.19%)] [49,528 / 290,543 (15.03%)]
4.5C - 5.4C 4.5C - 5.4C = 10,868
[10,868 (3.14% / 3.30%)] [60,396 / 280,019 (18.33%)]
5.5C - 6.4C 5.5C - 6.4C = 11,729
[11,729 (3.39% / 3.56%)] [72,125 / 269,151 (21.89%)]
6.5C - 7.4C 6.5C - 7.4C = 11,671
[11,671 (3.37% / 3.54%)] [83,796 / 257,422 (25.43%)]
7.5C - 8.4C 7.5C - 8.4C = 11,765
[11,765 (3.40% / 3.57%)] [95,561 / 245,751 (29.00%)]
8.5C - 9.4C 8.5C - 9.4C = 11,177
[11,177 (3.23% / 3.39%)] [106,738 / 233,986 (32.39%)]
9.5C - 10.4C 9.5C - 10.4C = 10,776
[10,776 (3.12% / 3.27%)] [117,514 / 222,809 (35.66%)]
10.5C - 11.4C 10.5C - 11.4C = 10,700
[10,700 (3.09% / 3.25%)] [128,214 / 212,033 (38.91%)]
11.5C - 12.4C 11.5C - 12.4C = 10,121
[10,121 (2.93% / 3.07%)] [138,335 / 201,333 (41.98%)]
12.5C - 13.4C 12.5C - 13.4C = 10,464
[10,464 (3.02% / 3.18%)] [148,799 / 191,212 (45.15%)]
13.5C - 14.4C 13.5C - 14.4C = 10,492
[10,492 (3.03% / 3.18%)] [159,291 / 180,748 (48.34%)]
14.5C - 15.4C 14.5C - 15.4C = 10,884
[10,884 (3.15% / 3.30%)] [170,175 / 170,256 (51.64%)]
15.5C - 16.4C 15.5C - 16.4C = 12,109
[12,109 (3.50% / 3.67%)] [182,284 / 159,372 (55.31%)]
16.5C - 17.4C 16.5C - 17.4C = 12,508
[12,508 (3.62% / 3.80%)] [194,792 / 147,263 (59.11%)]
17.5C - 18.4C 17.5C - 18.4C = 13,512
[13,512 (3.91% / 4.10%)] [208,304 / 134,755 (63.21%)]
18.5C - 19.4C 18.5C - 19.4C = 13,787
[13,787 (3.99% / 4.18%)] [222,091 / 121,243 (67.39%)]
19.5C - 20.4C 19.5C - 20.4C = 13,640
[13,640 (3.94% / 4.14%)] [235,731 / 107,456 (71.53%)]
20.5C - 21.4C 20.5C - 21.4C = 12,792
[12,792 (3.70% / 3.88%)] [248,523 / 93,816 (75.41%)]
21.5C - 22.4C 21.5C - 22.4C = 12,397
[12,397 (3.58% / 3.76%)] [260,920 / 81,024 (79.18%)]
22.5C - 23.4C 22.5C - 23.4C = 11,724
[11,724 (3.39% / 3.56%)] [272,644 / 68,627 (82.73%)]
23.5C - 24.4C 23.5C - 24.4C = 11,450
[11,450 (3.31% / 3.47%)] [284,094 / 56,903 (86.21%)]
24.5C - 25.4C 24.5C - 25.4C = 10,780
[10,780 (3.12% / 3.27%)] [294,874 / 45,453 (89.48%)]
25.5C - 26.4C 25.5C - 26.4C = 8,755
[8,755 (2.53% / 2.66%)] [303,629 / 34,673 (92.14%)]
26.5C - 27.4C 26.5C - 27.4C = 6,473
[6,473 (1.87% / 1.96%)] [310,102 / 25,918 (94.10%)]
27.5C - 28.4C 27.5C - 28.4C = 5,003
[5,003 (1.45% / 1.52%)] [315,105 / 19,445 (95.62%)]
28.5C - 29.4C 28.5C - 29.4C = 3,950
[3,950 (1.14% / 1.20%)] [319,055 / 14,442 (96.82%)]
29.5C - 30.4C 29.5C - 30.4C = 3,084
[3,084 (0.89% / 0.94%)] [322,139 / 10,492 (97.75%)]
30.5C - 31.4C 30.5C - 31.4C = 2,530
[2,530 (0.73% / 0.77%)] [324,669 / 7,408 (98.52%)]
31.5C - 32.4C 31.5C - 32.4C = 2,087
[2,087 (0.60% / 0.63%)] [326,756 / 4,878 (99.15%)]
32.5C - 33.4C 32.5C - 33.4C = 1,453
[1,453 (0.42% / 0.44%)] [328,209 / 2,791 (99.59%)]
33.5C - 34.4C 33.5C - 34.4C = 865
[865 (0.25% / 0.26%)] [329,074 / 1,338 (99.86%)]
34.5C - 35.4C 34.5C - 35.4C = 357
[357 (0.10% / 0.11%)] [329,431 / 473 (99.96%)]
35.5C - 36.4C 35.5C - 36.4C = 88
[88 (0.03% / 0.03%)] [329,519 / 116 (99.99%)]
36.5C - 37.4C 36.5C - 37.4C = 23
[23 (0.01% / 0.01%)] [329,542 / 28 (100.00%)]
37.5C - 38.4C 37.5C - 38.4C = 5
[5 (0.00% / 0.00%)] [329,547 / 5 (100.00%)]

Missing observations (16,375 / 4.73%)

Sunshine Duration

0.0h 0.0h = 234,482
[234,482 (67.78% / 71.14%)] [234,482 / 329,617 (71.14%)]
0.1h 0.1h = 6,774
[6,774 (1.96% / 2.06%)] [241,256 / 95,135 (73.19%)]
0.2h 0.2h = 5,068
[5,068 (1.47% / 1.54%)] [246,324 / 88,361 (74.73%)]
0.3h 0.3h = 4,639
[4,639 (1.34% / 1.41%)] [250,963 / 83,293 (76.14%)]
0.4h 0.4h = 4,521
[4,521 (1.31% / 1.37%)] [255,484 / 78,654 (77.51%)]
0.5h 0.5h = 4,518
[4,518 (1.31% / 1.37%)] [260,002 / 74,133 (78.88%)]
0.6h 0.6h = 4,432
[4,432 (1.28% / 1.34%)] [264,434 / 69,615 (80.22%)]
0.7h 0.7h = 4,594
[4,594 (1.33% / 1.39%)] [269,028 / 65,183 (81.62%)]
0.8h 0.8h = 5,084
[5,084 (1.47% / 1.54%)] [274,112 / 60,589 (83.16%)]
0.9h 0.9h = 6,787
[6,787 (1.96% / 2.06%)] [280,899 / 55,505 (85.22%)]
1.0h 1.0h = 48,718
[48,718 (14.08% / 14.78%)] [329,617 / 48,718 (100.00%)]

Missing observations (16,305 / 4.71%)