Station Number 31336
Prefecture Aomori [ Local Portal ]
Location 青森県上北郡六ヶ所村倉内字笹崎 (KAMIKITA GUN ROKKASHO MURA, AOMORI KEN)
Months of Observations 396
Number of Observations 288,753
Period of Observations
Period Name Lat. Long. Height Anemometer
1982/09/22 -- 1987/05/24 ROKKASHO 40.888N 141.280E 85m 6.5m
1987/05/25 -- 1994/10/31 ROKKASHO 40.888N 141.280E 85m 6.5m
1994/11/01 -- 2006/10/16 ROKKASHO 40.885N 141.272E 80m 8.3m
2006/10/17 -- 2015/08/99 ROKKASHO 40.885N 141.272E 80m 8.3m
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
31281 ROKKASHO (Aomori) 8.45km 26deg.
31332 NOHEJI (Aomori) 9.44km 270deg.
31916 (Aomori) 9.44km 270deg.
31331 NOHEJI (Aomori) 14.61km 254deg.
31915 NOHEJI (Aomori) 14.61km 254deg.
31411 SHICHINOHE (Aomori) 23.11km 211deg.
31321 YAMATOYAMA (Aomori) 24.54km 260deg.
31506 MISAWA (Aomori) 24.89km 159deg.

Statistics for the Whole Period

Precipitation

0.0mm - 0.4mm 0.0mm - 0.4mm = 263,621
[263,621 (91.30% / 91.67%)] [263,621 / 287,566 (91.67%)]
0.5mm - 1.4mm 0.5mm - 1.4mm = 15,546
[15,546 (5.38% / 5.41%)] [279,167 / 23,945 (97.08%)]
1.5mm - 2.4mm 1.5mm - 2.4mm = 4,249
[4,249 (1.47% / 1.48%)] [283,416 / 8,399 (98.56%)]
2.5mm - 3.4mm 2.5mm - 3.4mm = 1,762
[1,762 (0.61% / 0.61%)] [285,178 / 4,150 (99.17%)]
3.5mm - 4.4mm 3.5mm - 4.4mm = 855
[855 (0.30% / 0.30%)] [286,033 / 2,388 (99.47%)]
4.5mm - 5.4mm 4.5mm - 5.4mm = 515
[515 (0.18% / 0.18%)] [286,548 / 1,533 (99.65%)]
5.5mm - 6.4mm 5.5mm - 6.4mm = 296
[296 (0.10% / 0.10%)] [286,844 / 1,018 (99.75%)]
6.5mm - 7.4mm 6.5mm - 7.4mm = 196
[196 (0.07% / 0.07%)] [287,040 / 722 (99.82%)]
7.5mm - 8.4mm 7.5mm - 8.4mm = 158
[158 (0.05% / 0.05%)] [287,198 / 526 (99.87%)]
8.5mm - 9.4mm 8.5mm - 9.4mm = 85
[85 (0.03% / 0.03%)] [287,283 / 368 (99.90%)]
9.5mm - 10.4mm 9.5mm - 10.4mm = 75
[75 (0.03% / 0.03%)] [287,358 / 283 (99.93%)]
10.5mm - 11.4mm 10.5mm - 11.4mm = 50
[50 (0.02% / 0.02%)] [287,408 / 208 (99.95%)]
11.5mm - 12.4mm 11.5mm - 12.4mm = 18
[18 (0.01% / 0.01%)] [287,426 / 158 (99.95%)]
12.5mm - 13.4mm 12.5mm - 13.4mm = 28
[28 (0.01% / 0.01%)] [287,454 / 140 (99.96%)]
13.5mm - 14.4mm 13.5mm - 14.4mm = 24
[24 (0.01% / 0.01%)] [287,478 / 112 (99.97%)]
14.5mm - 15.4mm 14.5mm - 15.4mm = 22
[22 (0.01% / 0.01%)] [287,500 / 88 (99.98%)]
15.5mm - 16.4mm 15.5mm - 16.4mm = 7
[7 (0.00% / 0.00%)] [287,507 / 66 (99.98%)]
16.5mm - 17.4mm 16.5mm - 17.4mm = 11
[11 (0.00% / 0.00%)] [287,518 / 59 (99.98%)]
17.5mm - 18.4mm 17.5mm - 18.4mm = 9
[9 (0.00% / 0.00%)] [287,527 / 48 (99.99%)]
18.5mm - 19.4mm 18.5mm - 19.4mm = 6
[6 (0.00% / 0.00%)] [287,533 / 39 (99.99%)]
19.5mm - 20.4mm 19.5mm - 20.4mm = 5
[5 (0.00% / 0.00%)] [287,538 / 33 (99.99%)]
20.5mm - 21.4mm 20.5mm - 21.4mm = 2
[2 (0.00% / 0.00%)] [287,540 / 28 (99.99%)]
21.5mm - 22.4mm 21.5mm - 22.4mm = 4
[4 (0.00% / 0.00%)] [287,544 / 26 (99.99%)]
22.5mm - 23.4mm 22.5mm - 23.4mm = 2
[2 (0.00% / 0.00%)] [287,546 / 22 (99.99%)]
23.5mm - 24.4mm 23.5mm - 24.4mm = 5
[5 (0.00% / 0.00%)] [287,551 / 20 (99.99%)]
24.5mm - 25.4mm 24.5mm - 25.4mm = 2
[2 (0.00% / 0.00%)] [287,553 / 15 (100.00%)]
25.5mm - 26.4mm 25.5mm - 26.4mm = 2
[2 (0.00% / 0.00%)] [287,555 / 13 (100.00%)]
26.5mm - 27.4mm 26.5mm - 27.4mm = 2
[2 (0.00% / 0.00%)] [287,557 / 11 (100.00%)]
30.5mm - 31.4mm 30.5mm - 31.4mm = 1
[1 (0.00% / 0.00%)] [287,558 / 9 (100.00%)]
32.5mm - 33.4mm 32.5mm - 33.4mm = 1
[1 (0.00% / 0.00%)] [287,559 / 8 (100.00%)]
33.5mm - 34.4mm 33.5mm - 34.4mm = 1
[1 (0.00% / 0.00%)] [287,560 / 7 (100.00%)]
34.5mm - 35.4mm 34.5mm - 35.4mm = 1
[1 (0.00% / 0.00%)] [287,561 / 6 (100.00%)]
38.5mm - 39.4mm 38.5mm - 39.4mm = 2
[2 (0.00% / 0.00%)] [287,563 / 5 (100.00%)]
41.5mm - 42.4mm 41.5mm - 42.4mm = 2
[2 (0.00% / 0.00%)] [287,565 / 3 (100.00%)]
45.5mm - 46.4mm 45.5mm - 46.4mm = 1
[1 (0.00% / 0.00%)] [287,566 / 1 (100.00%)]

Missing observations (1,187 / 0.41%)

Wind Direction

Calm Calm = 23,545
[23,545 (8.15% / 8.18%)] [0 / 0 (NA)]
NNE NNE = 2,457
[2,457 (0.85% / 0.85%)] [0 / 0 (NA)]
NE NE = 4,191
[4,191 (1.45% / 1.46%)] [0 / 0 (NA)]
ENE ENE = 11,852
[11,852 (4.10% / 4.12%)] [0 / 0 (NA)]
E E = 24,457
[24,457 (8.47% / 8.50%)] [0 / 0 (NA)]
ESE ESE = 27,657
[27,657 (9.58% / 9.61%)] [0 / 0 (NA)]
SE SE = 16,306
[16,306 (5.65% / 5.67%)] [0 / 0 (NA)]
SSE SSE = 9,571
[9,571 (3.31% / 3.33%)] [0 / 0 (NA)]
S S = 9,101
[9,101 (3.15% / 3.16%)] [0 / 0 (NA)]
SSW SSW = 6,664
[6,664 (2.31% / 2.32%)] [0 / 0 (NA)]
SW SW = 10,255
[10,255 (3.55% / 3.56%)] [0 / 0 (NA)]
WSW WSW = 20,885
[20,885 (7.23% / 7.26%)] [0 / 0 (NA)]
W W = 46,782
[46,782 (16.20% / 16.25%)] [0 / 0 (NA)]
WNW WNW = 47,881
[47,881 (16.58% / 16.64%)] [0 / 0 (NA)]
NW NW = 17,513
[17,513 (6.07% / 6.09%)] [0 / 0 (NA)]
NNW NNW = 5,753
[5,753 (1.99% / 2.00%)] [0 / 0 (NA)]
N N = 2,931
[2,931 (1.02% / 1.02%)] [0 / 0 (NA)]

Missing observations (952 / 0.33%)

Wind Speed

0.0m/s - 0.4m/s 0.0m/s - 0.4m/s = 27,067
[27,067 (9.37% / 9.39%)] [27,067 / 288,207 (9.39%)]
0.5m/s - 1.4m/s 0.5m/s - 1.4m/s = 67,146
[67,146 (23.25% / 23.30%)] [94,213 / 261,140 (32.69%)]
1.5m/s - 2.4m/s 1.5m/s - 2.4m/s = 64,584
[64,584 (22.37% / 22.41%)] [158,797 / 193,994 (55.10%)]
2.5m/s - 3.4m/s 2.5m/s - 3.4m/s = 49,805
[49,805 (17.25% / 17.28%)] [208,602 / 129,410 (72.38%)]
3.5m/s - 4.4m/s 3.5m/s - 4.4m/s = 33,510
[33,510 (11.61% / 11.63%)] [242,112 / 79,605 (84.01%)]
4.5m/s - 5.4m/s 4.5m/s - 5.4m/s = 21,017
[21,017 (7.28% / 7.29%)] [263,129 / 46,095 (91.30%)]
5.5m/s - 6.4m/s 5.5m/s - 6.4m/s = 12,612
[12,612 (4.37% / 4.38%)] [275,741 / 25,078 (95.67%)]
6.5m/s - 7.4m/s 6.5m/s - 7.4m/s = 6,830
[6,830 (2.37% / 2.37%)] [282,571 / 12,466 (98.04%)]
7.5m/s - 8.4m/s 7.5m/s - 8.4m/s = 3,282
[3,282 (1.14% / 1.14%)] [285,853 / 5,636 (99.18%)]
8.5m/s - 9.4m/s 8.5m/s - 9.4m/s = 1,413
[1,413 (0.49% / 0.49%)] [287,266 / 2,354 (99.67%)]
9.5m/s - 10.4m/s 9.5m/s - 10.4m/s = 588
[588 (0.20% / 0.20%)] [287,854 / 941 (99.88%)]
10.5m/s - 11.4m/s 10.5m/s - 11.4m/s = 255
[255 (0.09% / 0.09%)] [288,109 / 353 (99.97%)]
11.5m/s - 12.4m/s 11.5m/s - 12.4m/s = 71
[71 (0.02% / 0.02%)] [288,180 / 98 (99.99%)]
12.5m/s - 13.4m/s 12.5m/s - 13.4m/s = 21
[21 (0.01% / 0.01%)] [288,201 / 27 (100.00%)]
13.5m/s - 14.4m/s 13.5m/s - 14.4m/s = 4
[4 (0.00% / 0.00%)] [288,205 / 6 (100.00%)]
14.5m/s - 15.4m/s 14.5m/s - 15.4m/s = 1
[1 (0.00% / 0.00%)] [288,206 / 2 (100.00%)]
17.5m/s - 18.4m/s 17.5m/s - 18.4m/s = 1
[1 (0.00% / 0.00%)] [288,207 / 1 (100.00%)]

Missing observations (546 / 0.19%)

Temperature

-11.5C - -10.6C -11.5C - -10.6C = 5
[5 (0.00% / 0.00%)] [5 / 288,245 (0.00%)]
-10.5C - -9.6C -10.5C - -9.6C = 37
[37 (0.01% / 0.01%)] [42 / 288,240 (0.01%)]
-9.5C - -8.6C -9.5C - -8.6C = 124
[124 (0.04% / 0.04%)] [166 / 288,203 (0.06%)]
-8.5C - -7.6C -8.5C - -7.6C = 281
[281 (0.10% / 0.10%)] [447 / 288,079 (0.16%)]
-7.5C - -6.6C -7.5C - -6.6C = 805
[805 (0.28% / 0.28%)] [1,252 / 287,798 (0.43%)]
-6.5C - -5.6C -6.5C - -5.6C = 1,769
[1,769 (0.61% / 0.61%)] [3,021 / 286,993 (1.05%)]
-5.5C - -4.6C -5.5C - -4.6C = 3,280
[3,280 (1.14% / 1.14%)] [6,301 / 285,224 (2.19%)]
-4.5C - -3.6C -4.5C - -3.6C = 4,959
[4,959 (1.72% / 1.72%)] [11,260 / 281,944 (3.91%)]
-3.5C - -2.6C -3.5C - -2.6C = 6,715
[6,715 (2.33% / 2.33%)] [17,975 / 276,985 (6.24%)]
-2.5C - -1.6C -2.5C - -1.6C = 8,553
[8,553 (2.96% / 2.97%)] [26,528 / 270,270 (9.20%)]
-1.5C - -0.6C -1.5C - -0.6C = 10,637
[10,637 (3.68% / 3.69%)] [37,165 / 261,717 (12.89%)]
-0.5C - 0.4C -0.5C - 0.4C = 22,630
[22,630 (7.84% / 7.85%)] [59,795 / 251,080 (20.74%)]
0.5C - 1.4C 0.5C - 1.4C = 11,512
[11,512 (3.99% / 3.99%)] [71,307 / 228,450 (24.74%)]
1.5C - 2.4C 1.5C - 2.4C = 10,938
[10,938 (3.79% / 3.79%)] [82,245 / 216,938 (28.53%)]
2.5C - 3.4C 2.5C - 3.4C = 9,633
[9,633 (3.34% / 3.34%)] [91,878 / 206,000 (31.87%)]
3.5C - 4.4C 3.5C - 4.4C = 9,303
[9,303 (3.22% / 3.23%)] [101,181 / 196,367 (35.10%)]
4.5C - 5.4C 4.5C - 5.4C = 8,642
[8,642 (2.99% / 3.00%)] [109,823 / 187,064 (38.10%)]
5.5C - 6.4C 5.5C - 6.4C = 8,449
[8,449 (2.93% / 2.93%)] [118,272 / 178,422 (41.03%)]
6.5C - 7.4C 6.5C - 7.4C = 8,222
[8,222 (2.85% / 2.85%)] [126,494 / 169,973 (43.88%)]
7.5C - 8.4C 7.5C - 8.4C = 8,331
[8,331 (2.89% / 2.89%)] [134,825 / 161,751 (46.77%)]
8.5C - 9.4C 8.5C - 9.4C = 8,791
[8,791 (3.04% / 3.05%)] [143,616 / 153,420 (49.82%)]
9.5C - 10.4C 9.5C - 10.4C = 9,160
[9,160 (3.17% / 3.18%)] [152,776 / 144,629 (53.00%)]
10.5C - 11.4C 10.5C - 11.4C = 9,852
[9,852 (3.41% / 3.42%)] [162,628 / 135,469 (56.42%)]
11.5C - 12.4C 11.5C - 12.4C = 9,896
[9,896 (3.43% / 3.43%)] [172,524 / 125,617 (59.85%)]
12.5C - 13.4C 12.5C - 13.4C = 10,278
[10,278 (3.56% / 3.57%)] [182,802 / 115,721 (63.42%)]
13.5C - 14.4C 13.5C - 14.4C = 10,585
[10,585 (3.67% / 3.67%)] [193,387 / 105,443 (67.09%)]
14.5C - 15.4C 14.5C - 15.4C = 10,683
[10,683 (3.70% / 3.71%)] [204,070 / 94,858 (70.80%)]
15.5C - 16.4C 15.5C - 16.4C = 11,016
[11,016 (3.82% / 3.82%)] [215,086 / 84,175 (74.62%)]
16.5C - 17.4C 16.5C - 17.4C = 11,005
[11,005 (3.81% / 3.82%)] [226,091 / 73,159 (78.44%)]
17.5C - 18.4C 17.5C - 18.4C = 10,586
[10,586 (3.67% / 3.67%)] [236,677 / 62,154 (82.11%)]
18.5C - 19.4C 18.5C - 19.4C = 10,245
[10,245 (3.55% / 3.55%)] [246,922 / 51,568 (85.66%)]
19.5C - 20.4C 19.5C - 20.4C = 9,226
[9,226 (3.20% / 3.20%)] [256,148 / 41,323 (88.86%)]
20.5C - 21.4C 20.5C - 21.4C = 7,708
[7,708 (2.67% / 2.67%)] [263,856 / 32,097 (91.54%)]
21.5C - 22.4C 21.5C - 22.4C = 6,495
[6,495 (2.25% / 2.25%)] [270,351 / 24,389 (93.79%)]
22.5C - 23.4C 22.5C - 23.4C = 5,355
[5,355 (1.85% / 1.86%)] [275,706 / 17,894 (95.65%)]
23.5C - 24.4C 23.5C - 24.4C = 3,837
[3,837 (1.33% / 1.33%)] [279,543 / 12,539 (96.98%)]
24.5C - 25.4C 24.5C - 25.4C = 2,746
[2,746 (0.95% / 0.95%)] [282,289 / 8,702 (97.93%)]
25.5C - 26.4C 25.5C - 26.4C = 1,937
[1,937 (0.67% / 0.67%)] [284,226 / 5,956 (98.61%)]
26.5C - 27.4C 26.5C - 27.4C = 1,415
[1,415 (0.49% / 0.49%)] [285,641 / 4,019 (99.10%)]
27.5C - 28.4C 27.5C - 28.4C = 1,035
[1,035 (0.36% / 0.36%)] [286,676 / 2,604 (99.46%)]
28.5C - 29.4C 28.5C - 29.4C = 689
[689 (0.24% / 0.24%)] [287,365 / 1,569 (99.69%)]
29.5C - 30.4C 29.5C - 30.4C = 462
[462 (0.16% / 0.16%)] [287,827 / 880 (99.85%)]
30.5C - 31.4C 30.5C - 31.4C = 264
[264 (0.09% / 0.09%)] [288,091 / 418 (99.95%)]
31.5C - 32.4C 31.5C - 32.4C = 89
[89 (0.03% / 0.03%)] [288,180 / 154 (99.98%)]
32.5C - 33.4C 32.5C - 33.4C = 51
[51 (0.02% / 0.02%)] [288,231 / 65 (100.00%)]
33.5C - 34.4C 33.5C - 34.4C = 14
[14 (0.00% / 0.00%)] [288,245 / 14 (100.00%)]

Missing observations (508 / 0.18%)

Sunshine Duration

0.0h 0.0h = 211,443
[211,443 (73.23% / 73.33%)] [211,443 / 288,342 (73.33%)]
0.1h 0.1h = 7,929
[7,929 (2.75% / 2.75%)] [219,372 / 76,899 (76.08%)]
0.2h 0.2h = 5,974
[5,974 (2.07% / 2.07%)] [225,346 / 68,970 (78.15%)]
0.3h 0.3h = 5,190
[5,190 (1.80% / 1.80%)] [230,536 / 62,996 (79.95%)]
0.4h 0.4h = 4,862
[4,862 (1.68% / 1.69%)] [235,398 / 57,806 (81.64%)]
0.5h 0.5h = 4,664
[4,664 (1.62% / 1.62%)] [240,062 / 52,944 (83.26%)]
0.6h 0.6h = 4,462
[4,462 (1.55% / 1.55%)] [244,524 / 48,280 (84.80%)]
0.7h 0.7h = 4,688
[4,688 (1.62% / 1.63%)] [249,212 / 43,818 (86.43%)]
0.8h 0.8h = 4,872
[4,872 (1.69% / 1.69%)] [254,084 / 39,130 (88.12%)]
0.9h 0.9h = 6,038
[6,038 (2.09% / 2.09%)] [260,122 / 34,258 (90.21%)]
1.0h 1.0h = 28,220
[28,220 (9.77% / 9.79%)] [288,342 / 28,220 (100.00%)]

Missing observations (411 / 0.14%)