Station Number 21126
Prefecture Hokkaido (Iburi Subprefecture) [ Local Portal ]
Location 北海道勇払郡むかわ町穂別 (YUFUTSU GUN MUKAWA CHO, HOKKAIDO)
Months of Observations 524
Number of Observations 382,584
Period of Observations
Period Name Lat. Long. Height Anemometer
1974/11/01 -- 1977/10/04 HOBETSU 42.762N 142.143E 56m 0.0m
1977/10/05 -- 1983/09/29 HOBETSU 42.762N 142.143E 56m 8.0m
1983/09/30 -- 1986/05/07 HOBETSU 42.762N 142.143E 56m 8.0m
1986/05/08 -- 2006/10/05 HOBETSU 42.762N 142.143E 56m 8.0m
2006/10/06 -- 2009/10/14 HOBETSU 42.762N 142.143E 56m 8.0m
2009/10/15 -- 2019/12/99 HOBETSU 42.762N 142.143E 56m 10.0m
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
21905 HOBETSU (Hokkaido) 0.00km 0deg.
21121 ATSUMA-HORONAI (Hokkaido) 12.32km 255deg.
22071 NISEU (Hokkaido) 15.96km 89deg.
22905 BIRATORI (Hokkaido) 17.22km 178deg.
22072 NISEU (Hokkaido) 17.63km 86deg.
15496 NOBORIKAWAYAMA (Hokkaido) 18.31km 347deg.
21111 ATSUMA (Hokkaido) 21.18km 260deg.
15491 NUMANOSAWA (Hokkaido) 24.18km 335deg.
22106 ASAHI (Hokkaido) 25.32km 125deg.
22906 ASAHI (Hokkaido) 25.32km 125deg.
21276 MUKAWA (Hokkaido) 25.72km 222deg.
21031 ABIRA (Hokkaido) 26.39km 282deg.
21900 ABIRA (Hokkaido) 26.39km 282deg.
22161 NUMOTORUYAMA (Hokkaido) 27.39km 130deg.
22036 HIDAKA (Hokkaido) 27.59km 62deg.
22900 HIDAKA (Hokkaido) 27.59km 62deg.
22156 SHINWA (Hokkaido) 28.89km 147deg.

Statistics for the Whole Period

Precipitation

0.0mm - 0.4mm 0.0mm - 0.4mm = 351,524
[351,524 (91.88% / 93.22%)] [351,524 / 377,101 (93.22)]
0.5mm - 1.4mm 0.5mm - 1.4mm = 15,776
[15,776 (4.12% / 4.18%)] [367,300 / 25,577 (97.40)]
1.5mm - 2.4mm 1.5mm - 2.4mm = 4,445
[4,445 (1.16% / 1.18%)] [371,745 / 9,801 (98.58)]
2.5mm - 3.4mm 2.5mm - 3.4mm = 2,068
[2,068 (0.54% / 0.55%)] [373,813 / 5,356 (99.13)]
3.5mm - 4.4mm 3.5mm - 4.4mm = 1,151
[1,151 (0.30% / 0.31%)] [374,964 / 3,288 (99.43)]
4.5mm - 5.4mm 4.5mm - 5.4mm = 681
[681 (0.18% / 0.18%)] [375,645 / 2,137 (99.61)]
5.5mm - 6.4mm 5.5mm - 6.4mm = 425
[425 (0.11% / 0.11%)] [376,070 / 1,456 (99.73)]
6.5mm - 7.4mm 6.5mm - 7.4mm = 291
[291 (0.08% / 0.08%)] [376,361 / 1,031 (99.80)]
7.5mm - 8.4mm 7.5mm - 8.4mm = 181
[181 (0.05% / 0.05%)] [376,542 / 740 (99.85)]
8.5mm - 9.4mm 8.5mm - 9.4mm = 135
[135 (0.04% / 0.04%)] [376,677 / 559 (99.89)]
9.5mm - 10.4mm 9.5mm - 10.4mm = 102
[102 (0.03% / 0.03%)] [376,779 / 424 (99.91)]
10.5mm - 11.4mm 10.5mm - 11.4mm = 57
[57 (0.01% / 0.02%)] [376,836 / 322 (99.93)]
11.5mm - 12.4mm 11.5mm - 12.4mm = 37
[37 (0.01% / 0.01%)] [376,873 / 265 (99.94)]
12.5mm - 13.4mm 12.5mm - 13.4mm = 40
[40 (0.01% / 0.01%)] [376,913 / 228 (99.95)]
13.5mm - 14.4mm 13.5mm - 14.4mm = 29
[29 (0.01% / 0.01%)] [376,942 / 188 (99.96)]
14.5mm - 15.4mm 14.5mm - 15.4mm = 22
[22 (0.01% / 0.01%)] [376,964 / 159 (99.96)]
15.5mm - 16.4mm 15.5mm - 16.4mm = 21
[21 (0.01% / 0.01%)] [376,985 / 137 (99.97)]
16.5mm - 17.4mm 16.5mm - 17.4mm = 13
[13 (0.00% / 0.00%)] [376,998 / 116 (99.97)]
17.5mm - 18.4mm 17.5mm - 18.4mm = 17
[17 (0.00% / 0.00%)] [377,015 / 103 (99.98)]
18.5mm - 19.4mm 18.5mm - 19.4mm = 12
[12 (0.00% / 0.00%)] [377,027 / 86 (99.98)]
19.5mm - 20.4mm 19.5mm - 20.4mm = 10
[10 (0.00% / 0.00%)] [377,037 / 74 (99.98)]
20.5mm - 21.4mm 20.5mm - 21.4mm = 11
[11 (0.00% / 0.00%)] [377,048 / 64 (99.99)]
21.5mm - 22.4mm 21.5mm - 22.4mm = 9
[9 (0.00% / 0.00%)] [377,057 / 53 (99.99)]
22.5mm - 23.4mm 22.5mm - 23.4mm = 9
[9 (0.00% / 0.00%)] [377,066 / 44 (99.99)]
23.5mm - 24.4mm 23.5mm - 24.4mm = 7
[7 (0.00% / 0.00%)] [377,073 / 35 (99.99)]
24.5mm - 25.4mm 24.5mm - 25.4mm = 6
[6 (0.00% / 0.00%)] [377,079 / 28 (99.99)]
25.5mm - 26.4mm 25.5mm - 26.4mm = 7
[7 (0.00% / 0.00%)] [377,086 / 22 (100.00)]
26.5mm - 27.4mm 26.5mm - 27.4mm = 2
[2 (0.00% / 0.00%)] [377,088 / 15 (100.00)]
27.5mm - 28.4mm 27.5mm - 28.4mm = 2
[2 (0.00% / 0.00%)] [377,090 / 13 (100.00)]
28.5mm - 29.4mm 28.5mm - 29.4mm = 1
[1 (0.00% / 0.00%)] [377,091 / 11 (100.00)]
29.5mm - 30.4mm 29.5mm - 30.4mm = 2
[2 (0.00% / 0.00%)] [377,093 / 10 (100.00)]
30.5mm - 31.4mm 30.5mm - 31.4mm = 1
[1 (0.00% / 0.00%)] [377,094 / 8 (100.00)]
35.5mm - 36.4mm 35.5mm - 36.4mm = 2
[2 (0.00% / 0.00%)] [377,096 / 7 (100.00)]
37.5mm - 38.4mm 37.5mm - 38.4mm = 2
[2 (0.00% / 0.00%)] [377,098 / 5 (100.00)]
39.5mm - 40.4mm 39.5mm - 40.4mm = 1
[1 (0.00% / 0.00%)] [377,099 / 3 (100.00)]
44.5mm - 45.4mm 44.5mm - 45.4mm = 1
[1 (0.00% / 0.00%)] [377,100 / 2 (100.00)]
46.5mm - 47.4mm 46.5mm - 47.4mm = 1
[1 (0.00% / 0.00%)] [377,101 / 1 (100.00)]

Missing observations (5,483 / 1.43%)

Wind Direction

Calm Calm = 78,986
[78,986 (20.65% / 21.38%)]
NNE NNE = 35,828
[35,828 (9.36% / 9.70%)]
NE NE = 17,705
[17,705 (4.63% / 4.79%)]
ENE ENE = 11,969
[11,969 (3.13% / 3.24%)]
E E = 12,014
[12,014 (3.14% / 3.25%)]
ESE ESE = 9,155
[9,155 (2.39% / 2.48%)]
SE SE = 8,148
[8,148 (2.13% / 2.21%)]
SSE SSE = 9,404
[9,404 (2.46% / 2.55%)]
S S = 13,497
[13,497 (3.53% / 3.65%)]
SSW SSW = 33,433
[33,433 (8.74% / 9.05%)]
SW SW = 39,911
[39,911 (10.43% / 10.80%)]
WSW WSW = 11,453
[11,453 (2.99% / 3.10%)]
W W = 7,566
[7,566 (1.98% / 2.05%)]
WNW WNW = 13,071
[13,071 (3.42% / 3.54%)]
NW NW = 15,945
[15,945 (4.17% / 4.32%)]
NNW NNW = 14,580
[14,580 (3.81% / 3.95%)]
N N = 36,753
[36,753 (9.61% / 9.95%)]

Missing observations (13,166 / 3.44%)

Wind Speed

0.0m/s - 0.4m/s 0.0m/s - 0.4m/s = 86,252
[86,252 (22.54% / 23.34%)] [86,252 / 369,518 (23.34)]
0.5m/s - 1.4m/s 0.5m/s - 1.4m/s = 124,243
[124,243 (32.47% / 33.62%)] [210,495 / 283,266 (56.96)]
1.5m/s - 2.4m/s 1.5m/s - 2.4m/s = 68,754
[68,754 (17.97% / 18.61%)] [279,249 / 159,023 (75.57)]
2.5m/s - 3.4m/s 2.5m/s - 3.4m/s = 41,109
[41,109 (10.75% / 11.13%)] [320,358 / 90,269 (86.70)]
3.5m/s - 4.4m/s 3.5m/s - 4.4m/s = 25,643
[25,643 (6.70% / 6.94%)] [346,001 / 49,160 (93.64)]
4.5m/s - 5.4m/s 4.5m/s - 5.4m/s = 14,057
[14,057 (3.67% / 3.80%)] [360,058 / 23,517 (97.44)]
5.5m/s - 6.4m/s 5.5m/s - 6.4m/s = 5,941
[5,941 (1.55% / 1.61%)] [365,999 / 9,460 (99.05)]
6.5m/s - 7.4m/s 6.5m/s - 7.4m/s = 2,321
[2,321 (0.61% / 0.63%)] [368,320 / 3,519 (99.68)]
7.5m/s - 8.4m/s 7.5m/s - 8.4m/s = 765
[765 (0.20% / 0.21%)] [369,085 / 1,198 (99.88)]
8.5m/s - 9.4m/s 8.5m/s - 9.4m/s = 277
[277 (0.07% / 0.07%)] [369,362 / 433 (99.96)]
9.5m/s - 10.4m/s 9.5m/s - 10.4m/s = 103
[103 (0.03% / 0.03%)] [369,465 / 156 (99.99)]
10.5m/s - 11.4m/s 10.5m/s - 11.4m/s = 36
[36 (0.01% / 0.01%)] [369,501 / 53 (100.00)]
11.5m/s - 12.4m/s 11.5m/s - 12.4m/s = 8
[8 (0.00% / 0.00%)] [369,509 / 17 (100.00)]
12.5m/s - 13.4m/s 12.5m/s - 13.4m/s = 7
[7 (0.00% / 0.00%)] [369,516 / 9 (100.00)]
13.5m/s - 14.4m/s 13.5m/s - 14.4m/s = 2
[2 (0.00% / 0.00%)] [369,518 / 2 (100.00)]

Missing observations (13,066 / 3.42%)

Temperature

-29.5C - -28.6C -29.5C - -28.6C = 6
[6 (0.00% / 0.00%)] [6 / 369,626 (0.00)]
-28.5C - -27.6C -28.5C - -27.6C = 22
[22 (0.01% / 0.01%)] [28 / 369,620 (0.01)]
-27.5C - -26.6C -27.5C - -26.6C = 33
[33 (0.01% / 0.01%)] [61 / 369,598 (0.02)]
-26.5C - -25.6C -26.5C - -25.6C = 86
[86 (0.02% / 0.02%)] [147 / 369,565 (0.04)]
-25.5C - -24.6C -25.5C - -24.6C = 130
[130 (0.03% / 0.04%)] [277 / 369,479 (0.07)]
-24.5C - -23.6C -24.5C - -23.6C = 208
[208 (0.05% / 0.06%)] [485 / 369,349 (0.13)]
-23.5C - -22.6C -23.5C - -22.6C = 313
[313 (0.08% / 0.08%)] [798 / 369,141 (0.22)]
-22.5C - -21.6C -22.5C - -21.6C = 450
[450 (0.12% / 0.12%)] [1,248 / 368,828 (0.34)]
-21.5C - -20.6C -21.5C - -20.6C = 642
[642 (0.17% / 0.17%)] [1,890 / 368,378 (0.51)]
-20.5C - -19.6C -20.5C - -19.6C = 868
[868 (0.23% / 0.23%)] [2,758 / 367,736 (0.75)]
-19.5C - -18.6C -19.5C - -18.6C = 1,158
[1,158 (0.30% / 0.31%)] [3,916 / 366,868 (1.06)]
-18.5C - -17.6C -18.5C - -17.6C = 1,323
[1,323 (0.35% / 0.36%)] [5,239 / 365,710 (1.42)]
-17.5C - -16.6C -17.5C - -16.6C = 1,732
[1,732 (0.45% / 0.47%)] [6,971 / 364,387 (1.89)]
-16.5C - -15.6C -16.5C - -15.6C = 1,990
[1,990 (0.52% / 0.54%)] [8,961 / 362,655 (2.42)]
-15.5C - -14.6C -15.5C - -14.6C = 2,276
[2,276 (0.59% / 0.62%)] [11,237 / 360,665 (3.04)]
-14.5C - -13.6C -14.5C - -13.6C = 2,589
[2,589 (0.68% / 0.70%)] [13,826 / 358,389 (3.74)]
-13.5C - -12.6C -13.5C - -12.6C = 3,119
[3,119 (0.82% / 0.84%)] [16,945 / 355,800 (4.58)]
-12.5C - -11.6C -12.5C - -11.6C = 3,444
[3,444 (0.90% / 0.93%)] [20,389 / 352,681 (5.52)]
-11.5C - -10.6C -11.5C - -10.6C = 3,837
[3,837 (1.00% / 1.04%)] [24,226 / 349,237 (6.55)]
-10.5C - -9.6C -10.5C - -9.6C = 4,223
[4,223 (1.10% / 1.14%)] [28,449 / 345,400 (7.70)]
-9.5C - -8.6C -9.5C - -8.6C = 4,711
[4,711 (1.23% / 1.27%)] [33,160 / 341,177 (8.97)]
-8.5C - -7.6C -8.5C - -7.6C = 5,055
[5,055 (1.32% / 1.37%)] [38,215 / 336,466 (10.34)]
-7.5C - -6.6C -7.5C - -6.6C = 5,665
[5,665 (1.48% / 1.53%)] [43,880 / 331,411 (11.87)]
-6.5C - -5.6C -6.5C - -5.6C = 6,354
[6,354 (1.66% / 1.72%)] [50,234 / 325,746 (13.59)]
-5.5C - -4.6C -5.5C - -4.6C = 7,072
[7,072 (1.85% / 1.91%)] [57,306 / 319,392 (15.50)]
-4.5C - -3.6C -4.5C - -3.6C = 8,343
[8,343 (2.18% / 2.26%)] [65,649 / 312,320 (17.76)]
-3.5C - -2.6C -3.5C - -2.6C = 9,533
[9,533 (2.49% / 2.58%)] [75,182 / 303,977 (20.34)]
-2.5C - -1.6C -2.5C - -1.6C = 11,052
[11,052 (2.89% / 2.99%)] [86,234 / 294,444 (23.33)]
-1.5C - -0.6C -1.5C - -0.6C = 12,213
[12,213 (3.19% / 3.30%)] [98,447 / 283,392 (26.63)]
-0.5C - 0.4C -0.5C - 0.4C = 25,608
[25,608 (6.69% / 6.93%)] [124,055 / 271,179 (33.56)]
0.5C - 1.4C 0.5C - 1.4C = 12,466
[12,466 (3.26% / 3.37%)] [136,521 / 245,571 (36.93)]
1.5C - 2.4C 1.5C - 2.4C = 10,370
[10,370 (2.71% / 2.81%)] [146,891 / 233,105 (39.74)]
2.5C - 3.4C 2.5C - 3.4C = 9,693
[9,693 (2.53% / 2.62%)] [156,584 / 222,735 (42.36)]
3.5C - 4.4C 3.5C - 4.4C = 9,133
[9,133 (2.39% / 2.47%)] [165,717 / 213,042 (44.83)]
4.5C - 5.4C 4.5C - 5.4C = 8,664
[8,664 (2.26% / 2.34%)] [174,381 / 203,909 (47.18)]
5.5C - 6.4C 5.5C - 6.4C = 8,602
[8,602 (2.25% / 2.33%)] [182,983 / 195,245 (49.50)]
6.5C - 7.4C 6.5C - 7.4C = 8,439
[8,439 (2.21% / 2.28%)] [191,422 / 186,643 (51.79)]
7.5C - 8.4C 7.5C - 8.4C = 9,150
[9,150 (2.39% / 2.48%)] [200,572 / 178,204 (54.26)]
8.5C - 9.4C 8.5C - 9.4C = 9,097
[9,097 (2.38% / 2.46%)] [209,669 / 169,054 (56.72)]
9.5C - 10.4C 9.5C - 10.4C = 9,528
[9,528 (2.49% / 2.58%)] [219,197 / 159,957 (59.30)]
10.5C - 11.4C 10.5C - 11.4C = 9,808
[9,808 (2.56% / 2.65%)] [229,005 / 150,429 (61.96)]
11.5C - 12.4C 11.5C - 12.4C = 10,378
[10,378 (2.71% / 2.81%)] [239,383 / 140,621 (64.76)]
12.5C - 13.4C 12.5C - 13.4C = 10,856
[10,856 (2.84% / 2.94%)] [250,239 / 130,243 (67.70)]
13.5C - 14.4C 13.5C - 14.4C = 11,109
[11,109 (2.90% / 3.01%)] [261,348 / 119,387 (70.71)]
14.5C - 15.4C 14.5C - 15.4C = 11,921
[11,921 (3.12% / 3.23%)] [273,269 / 108,278 (73.93)]
15.5C - 16.4C 15.5C - 16.4C = 11,861
[11,861 (3.10% / 3.21%)] [285,130 / 96,357 (77.14)]
16.5C - 17.4C 16.5C - 17.4C = 12,385
[12,385 (3.24% / 3.35%)] [297,515 / 84,496 (80.49)]
17.5C - 18.4C 17.5C - 18.4C = 12,109
[12,109 (3.17% / 3.28%)] [309,624 / 72,111 (83.77)]
18.5C - 19.4C 18.5C - 19.4C = 11,269
[11,269 (2.95% / 3.05%)] [320,893 / 60,002 (86.82)]
19.5C - 20.4C 19.5C - 20.4C = 10,518
[10,518 (2.75% / 2.85%)] [331,411 / 48,733 (89.66)]
20.5C - 21.4C 20.5C - 21.4C = 9,379
[9,379 (2.45% / 2.54%)] [340,790 / 38,215 (92.20)]
21.5C - 22.4C 21.5C - 22.4C = 7,790
[7,790 (2.04% / 2.11%)] [348,580 / 28,836 (94.31)]
22.5C - 23.4C 22.5C - 23.4C = 6,028
[6,028 (1.58% / 1.63%)] [354,608 / 21,046 (95.94)]
23.5C - 24.4C 23.5C - 24.4C = 4,713
[4,713 (1.23% / 1.28%)] [359,321 / 15,018 (97.21)]
24.5C - 25.4C 24.5C - 25.4C = 3,401
[3,401 (0.89% / 0.92%)] [362,722 / 10,305 (98.13)]
25.5C - 26.4C 25.5C - 26.4C = 2,451
[2,451 (0.64% / 0.66%)] [365,173 / 6,904 (98.80)]
26.5C - 27.4C 26.5C - 27.4C = 1,750
[1,750 (0.46% / 0.47%)] [366,923 / 4,453 (99.27)]
27.5C - 28.4C 27.5C - 28.4C = 1,181
[1,181 (0.31% / 0.32%)] [368,104 / 2,703 (99.59)]
28.5C - 29.4C 28.5C - 29.4C = 780
[780 (0.20% / 0.21%)] [368,884 / 1,522 (99.80)]
29.5C - 30.4C 29.5C - 30.4C = 422
[422 (0.11% / 0.11%)] [369,306 / 742 (99.91)]
30.5C - 31.4C 30.5C - 31.4C = 213
[213 (0.06% / 0.06%)] [369,519 / 320 (99.97)]
31.5C - 32.4C 31.5C - 32.4C = 58
[58 (0.02% / 0.02%)] [369,577 / 107 (99.99)]
32.5C - 33.4C 32.5C - 33.4C = 40
[40 (0.01% / 0.01%)] [369,617 / 49 (100.00)]
33.5C - 34.4C 33.5C - 34.4C = 9
[9 (0.00% / 0.00%)] [369,626 / 9 (100.00)]

Missing observations (12,958 / 3.39%)

Sunshine Duration

0.0h 0.0h = 266,333
[266,333 (69.61% / 72.05%)] [266,333 / 369,660 (72.05)]
0.1h 0.1h = 9,097
[9,097 (2.38% / 2.46%)] [275,430 / 103,327 (74.51)]
0.2h 0.2h = 7,260
[7,260 (1.90% / 1.96%)] [282,690 / 94,230 (76.47)]
0.3h 0.3h = 6,515
[6,515 (1.70% / 1.76%)] [289,205 / 86,970 (78.24)]
0.4h 0.4h = 6,248
[6,248 (1.63% / 1.69%)] [295,453 / 80,455 (79.93)]
0.5h 0.5h = 6,123
[6,123 (1.60% / 1.66%)] [301,576 / 74,207 (81.58)]
0.6h 0.6h = 5,947
[5,947 (1.55% / 1.61%)] [307,523 / 68,084 (83.19)]
0.7h 0.7h = 5,977
[5,977 (1.56% / 1.62%)] [313,500 / 62,137 (84.81)]
0.8h 0.8h = 6,572
[6,572 (1.72% / 1.78%)] [320,072 / 56,160 (86.59)]
0.9h 0.9h = 8,021
[8,021 (2.10% / 2.17%)] [328,093 / 49,588 (88.76)]
1.0h 1.0h = 41,567
[41,567 (10.86% / 11.24%)] [369,660 / 41,567 (100.00)]

Missing observations (12,924 / 3.38%)

Snow Depth

0cm 0cm = 64,420
[64,420 (16.84% / 39.46%)] [64,420 / 163,274 (39.46)]
1cm - 5cm 1cm - 5cm = 9,741
[9,741 (2.55% / 5.97%)] [74,161 / 98,854 (45.42)]
6cm - 10cm 6cm - 10cm = 8,091
[8,091 (2.11% / 4.96%)] [82,252 / 89,113 (50.38)]
11cm - 15cm 11cm - 15cm = 9,294
[9,294 (2.43% / 5.69%)] [91,546 / 81,022 (56.07)]
16cm - 20cm 16cm - 20cm = 7,662
[7,662 (2.00% / 4.69%)] [99,208 / 71,728 (60.76)]
21cm - 25cm 21cm - 25cm = 9,818
[9,818 (2.57% / 6.01%)] [109,026 / 64,066 (66.77)]
26cm - 30cm 26cm - 30cm = 8,077
[8,077 (2.11% / 4.95%)] [117,103 / 54,248 (71.72)]
31cm - 35cm 31cm - 35cm = 8,959
[8,959 (2.34% / 5.49%)] [126,062 / 46,171 (77.21)]
36cm - 40cm 36cm - 40cm = 11,632
[11,632 (3.04% / 7.12%)] [137,694 / 37,212 (84.33)]
41cm - 45cm 41cm - 45cm = 10,382
[10,382 (2.71% / 6.36%)] [148,076 / 25,580 (90.69)]
46cm - 50cm 46cm - 50cm = 6,172
[6,172 (1.61% / 3.78%)] [154,248 / 15,198 (94.47)]
51cm - 55cm 51cm - 55cm = 4,770
[4,770 (1.25% / 2.92%)] [159,018 / 9,026 (97.39)]
56cm - 60cm 56cm - 60cm = 2,522
[2,522 (0.66% / 1.54%)] [161,540 / 4,256 (98.94)]
61cm - 65cm 61cm - 65cm = 1,204
[1,204 (0.31% / 0.74%)] [162,744 / 1,734 (99.68)]
66cm - 70cm 66cm - 70cm = 433
[433 (0.11% / 0.27%)] [163,177 / 530 (99.94)]
71cm - 75cm 71cm - 75cm = 92
[92 (0.02% / 0.06%)] [163,269 / 97 (100.00)]
76cm - 80cm 76cm - 80cm = 5
[5 (0.00% / 0.00%)] [163,274 / 5 (100.00)]

Missing observations (219,310 / 57.32%)