Measurement results by the hour (Hachioji) 25 Feb., 2019 - 3 Mar., 2019

Shown in µGy/h (microgray per hour)

Gray indicates an amount of energy (absorbed dose) when radiation hits a material object, and 1 gray (Gy) of radiation doses in the air can be converted to 1 sievert (Sv).

Measurement time Dose rate
μGy/h (microgray per hour)
Maximum value Minimum value Average value
23:01-24:00, Sun., 03 Mar. 0.0458 0.0384 0.0424
22:01-23:00, Sun., 03 Mar. 0.0442 0.0364 0.0399
21:01-22:00, Sun., 03 Mar. 0.0418 0.0349 0.0373
20:01-21:00, Sun., 03 Mar. 0.0394 0.0338 0.0365
19:01-20:00, Sun., 03 Mar. 0.0383 0.0334 0.0357
18:01-19:00, Sun., 03 Mar. 0.0417 0.0348 0.0374
17:01-18:00, Sun., 03 Mar. 0.0441 0.0368 0.0408
16:01-17:00, Sun., 03 Mar. 0.0448 0.0368 0.0399
15:01-16:00, Sun., 03 Mar. 0.0432 0.0354 0.0387
14:01-15:00, Sun., 03 Mar. 0.0416 0.0355 0.0381
13:01-14:00, Sun., 03 Mar. 0.0417 0.0348 0.0368
12:01-13:00, Sun., 03 Mar. 0.0407 0.0348 0.0378
11:01-12:00, Sun., 03 Mar. 0.0399 0.0354 0.0373
10:01-11:00, Sun., 03 Mar. 0.0413 0.0356 0.0376
09:01-10:00, Sun., 03 Mar. 0.0423 0.0361 0.0381
08:01-09:00, Sun., 03 Mar. 0.0413 0.0358 0.0379
07:01-08:00, Sun., 03 Mar. 0.0391 0.0323 0.0357
06:01-07:00, Sun., 03 Mar. 0.0340 0.0295 0.0323
05:01-06:00, Sun., 03 Mar. 0.0344 0.0297 0.0321
04:01-05:00, Sun., 03 Mar. 0.0336 0.0298 0.0319
03:01-04:00, Sun., 03 Mar. 0.0339 0.0302 0.0320
02:01-03:00, Sun., 03 Mar. 0.0334 0.0297 0.0317
01:01-02:00, Sun., 03 Mar. 0.0337 0.0303 0.0319
00:01-01:00, Sun., 03 Mar. 0.0351 0.0305 0.0324
23:01-24:00, Sat., 02 Mar. 0.0343 0.0298 0.0318
22:01-23:00, Sat., 02 Mar. 0.0331 0.0285 0.0309
21:01-22:00, Sat., 02 Mar. 0.0332 0.0288 0.0313
20:01-21:00, Sat., 02 Mar. 0.0331 0.0297 0.0313
19:01-20:00, Sat., 02 Mar. 0.0338 0.0282 0.0310
18:01-19:00, Sat., 02 Mar. 0.0337 0.0292 0.0311
17:01-18:00, Sat., 02 Mar. 0.0327 0.0293 0.0310
16:01-17:00, Sat., 02 Mar. 0.0333 0.0292 0.0313
15:01-16:00, Sat., 02 Mar. 0.0335 0.0293 0.0314
14:01-15:00, Sat., 02 Mar. 0.0337 0.0293 0.0311
13:01-14:00, Sat., 02 Mar. 0.0336 0.0294 0.0311
12:01-13:00, Sat., 02 Mar. 0.0337 0.0293 0.0314
11:01-12:00, Sat., 02 Mar. 0.0345 0.0295 0.0314
10:01-11:00, Sat., 02 Mar. 0.0333 0.0295 0.0317
09:01-10:00, Sat., 02 Mar. 0.0351 0.0291 0.0316
08:01-09:00, Sat., 02 Mar. 0.0350 0.0302 0.0323
07:01-08:00, Sat., 02 Mar. 0.0345 0.0305 0.0323
06:01-07:00, Sat., 02 Mar. 0.0340 0.0303 0.0320
05:01-06:00, Sat., 02 Mar. 0.0338 0.0296 0.0320
04:01-05:00, Sat., 02 Mar. 0.0347 0.0295 0.0318
03:01-04:00, Sat., 02 Mar. 0.0349 0.0295 0.0316
02:01-03:00, Sat., 02 Mar. 0.0334 0.0293 0.0313
01:01-02:00, Sat., 02 Mar. 0.0333 0.0289 0.0309
00:01-01:00, Sat., 02 Mar. 0.0333 0.0292 0.0310
23:01-24:00, Fri., 01 Mar. 0.0328 0.0290 0.0308
22:01-23:00, Fri., 01 Mar. 0.0334 0.0294 0.0310
21:01-22:00, Fri., 01 Mar. 0.0340 0.0303 0.0318
20:01-21:00, Fri., 01 Mar. 0.0337 0.0295 0.0314
19:01-20:00, Fri., 01 Mar. 0.0333 0.0290 0.0315
18:01-19:00, Fri., 01 Mar. 0.0334 0.0295 0.0316
17:01-18:00, Fri., 01 Mar. 0.0326 0.0291 0.0310
16:01-17:00, Fri., 01 Mar. 0.0333 0.0295 0.0314
15:01-16:00, Fri., 01 Mar. 0.0329 0.0287 0.0310
14:01-15:00, Fri., 01 Mar. 0.0336 0.0288 0.0311
13:01-14:00, Fri., 01 Mar. 0.0339 0.0293 0.0311
12:01-13:00, Fri., 01 Mar. 0.0328 0.0290 0.0311
11:01-12:00, Fri., 01 Mar. 0.0337 0.0292 0.0313
10:01-11:00, Fri., 01 Mar. 0.0339 0.0301 0.0319
09:01-10:00, Fri., 01 Mar. 0.0347 0.0305 0.0325
08:01-09:00, Fri., 01 Mar. 0.0406 0.0312 0.0357
07:01-08:00, Fri., 01 Mar. 0.0460 0.0367 0.0413
06:01-07:00, Fri., 01 Mar. 0.0410 0.0319 0.0360
05:01-06:00, Fri., 01 Mar. 0.0417 0.0347 0.0369
04:01-05:00, Fri., 01 Mar. 0.0416 0.0336 0.0369
03:01-04:00, Fri., 01 Mar. 0.0363 0.0325 0.0344
02:01-03:00, Fri., 01 Mar. 0.0363 0.0321 0.0342
01:01-02:00, Fri., 01 Mar. 0.0383 0.0335 0.0355
00:01-01:00, Fri., 01 Mar. 0.0404 0.0310 0.0345
23:01-24:00, Thu., 28 Feb. 0.0357 0.0308 0.0332
22:01-23:00, Thu., 28 Feb. 0.0343 0.0306 0.0325
21:01-22:00, Thu., 28 Feb. 0.0383 0.0308 0.0350
20:01-21:00, Thu., 28 Feb. 0.0429 0.0358 0.0387
19:01-20:00, Thu., 28 Feb. 0.0464 0.0391 0.0427
18:01-19:00, Thu., 28 Feb. 0.0516 0.0425 0.0473
17:01-18:00, Thu., 28 Feb. 0.0505 0.0400 0.0447
16:01-17:00, Thu., 28 Feb. 0.0501 0.0418 0.0462
15:01-16:00, Thu., 28 Feb. 0.0534 0.0455 0.0487
14:01-15:00, Thu., 28 Feb. 0.0521 0.0454 0.0492
13:01-14:00, Thu., 28 Feb. 0.0522 0.0425 0.0464
12:01-13:00, Thu., 28 Feb. 0.0466 0.0389 0.0427
11:01-12:00, Thu., 28 Feb. 0.0455 0.0384 0.0412
10:01-11:00, Thu., 28 Feb. 0.0477 0.0399 0.0434
09:01-10:00, Thu., 28 Feb. 0.0486 0.0389 0.0438
08:01-09:00, Thu., 28 Feb. 0.0425 0.0360 0.0385
07:01-08:00, Thu., 28 Feb. 0.0427 0.0359 0.0385
06:01-07:00, Thu., 28 Feb. 0.0434 0.0335 0.0375
05:01-06:00, Thu., 28 Feb. 0.0354 0.0317 0.0335
04:01-05:00, Thu., 28 Feb. 0.0353 0.0311 0.0331
03:01-04:00, Thu., 28 Feb. 0.0340 0.0303 0.0323
02:01-03:00, Thu., 28 Feb. 0.0350 0.0302 0.0325
01:01-02:00, Thu., 28 Feb. 0.0340 0.0298 0.0322
00:01-01:00, Thu., 28 Feb. 0.0351 0.0308 0.0328
23:01-24:00, Wed., 27 Feb. 0.0361 0.0308 0.0341
22:01-23:00, Wed., 27 Feb. 0.0392 0.0330 0.0358
21:01-22:00, Wed., 27 Feb. 0.0401 0.0345 0.0365
20:01-21:00, Wed., 27 Feb. 0.0388 0.0308 0.0346
19:01-20:00, Wed., 27 Feb. 0.0341 0.0303 0.0320
18:01-19:00, Wed., 27 Feb. 0.0340 0.0300 0.0319
17:01-18:00, Wed., 27 Feb. 0.0340 0.0297 0.0320
16:01-17:00, Wed., 27 Feb. 0.0342 0.0300 0.0321
15:01-16:00, Wed., 27 Feb. 0.0348 0.0302 0.0323
14:01-15:00, Wed., 27 Feb. 0.0352 0.0299 0.0319
13:01-14:00, Wed., 27 Feb. 0.0343 0.0308 0.0322
12:01-13:00, Wed., 27 Feb. 0.0348 0.0297 0.0328
11:01-12:00, Wed., 27 Feb. 0.0343 0.0306 0.0324
10:01-11:00, Wed., 27 Feb. 0.0346 0.0303 0.0323
09:01-10:00, Wed., 27 Feb. 0.0351 0.0302 0.0325
08:01-09:00, Wed., 27 Feb. 0.0350 0.0303 0.0329
07:01-08:00, Wed., 27 Feb. 0.0358 0.0316 0.0334
06:01-07:00, Wed., 27 Feb. 0.0352 0.0312 0.0331
05:01-06:00, Wed., 27 Feb. 0.0357 0.0304 0.0329
04:01-05:00, Wed., 27 Feb. 0.0348 0.0308 0.0328
03:01-04:00, Wed., 27 Feb. 0.0341 0.0304 0.0325
02:01-03:00, Wed., 27 Feb. 0.0346 0.0294 0.0325
01:01-02:00, Wed., 27 Feb. 0.0341 0.0303 0.0320
00:01-01:00, Wed., 27 Feb. 0.0337 0.0297 0.0318
23:01-24:00, Tue., 26 Feb. 0.0332 0.0301 0.0316
22:01-23:00, Tue., 26 Feb. 0.0342 0.0300 0.0322
21:01-22:00, Tue., 26 Feb. 0.0345 0.0296 0.0319
20:01-21:00, Tue., 26 Feb. 0.0342 0.0299 0.0324
19:01-20:00, Tue., 26 Feb. 0.0352 0.0299 0.0324
18:01-19:00, Tue., 26 Feb. 0.0340 0.0302 0.0324
17:01-18:00, Tue., 26 Feb. 0.0349 0.0297 0.0324
16:01-17:00, Tue., 26 Feb. 0.0346 0.0298 0.0323
15:01-16:00, Tue., 26 Feb. 0.0346 0.0293 0.0325
14:01-15:00, Tue., 26 Feb. 0.0348 0.0304 0.0326
13:01-14:00, Tue., 26 Feb. 0.0346 0.0307 0.0326
12:01-13:00, Tue., 26 Feb. 0.0356 0.0304 0.0328
11:01-12:00, Tue., 26 Feb. 0.0348 0.0301 0.0327
10:01-11:00, Tue., 26 Feb. 0.0349 0.0306 0.0325
09:01-10:00, Tue., 26 Feb. 0.0342 0.0308 0.0326
08:01-09:00, Tue., 26 Feb. 0.0346 0.0312 0.0327
07:01-08:00, Tue., 26 Feb. 0.0351 0.0304 0.0326
06:01-07:00, Tue., 26 Feb. 0.0350 0.0309 0.0327
05:01-06:00, Tue., 26 Feb. 0.0347 0.0298 0.0325
04:01-05:00, Tue., 26 Feb. 0.0345 0.0304 0.0325
03:01-04:00, Tue., 26 Feb. 0.0353 0.0309 0.0328
02:01-03:00, Tue., 26 Feb. 0.0357 0.0308 0.0328
01:01-02:00, Tue., 26 Feb. 0.0341 0.0305 0.0323
00:01-01:00, Tue., 26 Feb. 0.0348 0.0307 0.0324
23:01-24:00, Mon., 25 Feb. 0.0344 0.0304 0.0325
22:01-23:00, Mon., 25 Feb. 0.0353 0.0306 0.0324
21:01-22:00, Mon., 25 Feb. 0.0350 0.0312 0.0329
20:01-21:00, Mon., 25 Feb. 0.0360 0.0311 0.0331
19:01-20:00, Mon., 25 Feb. 0.0348 0.0302 0.0324
18:01-19:00, Mon., 25 Feb. 0.0351 0.0304 0.0322
17:01-18:00, Mon., 25 Feb. 0.0350 0.0301 0.0326
16:01-17:00, Mon., 25 Feb. 0.0346 0.0306 0.0326
15:01-16:00, Mon., 25 Feb. 0.0343 0.0301 0.0325
14:01-15:00, Mon., 25 Feb. 0.0354 0.0304 0.0329
13:01-14:00, Mon., 25 Feb. 0.0348 0.0305 0.0330
12:01-13:00, Mon., 25 Feb. 0.0364 0.0314 0.0340
11:01-12:00, Mon., 25 Feb. 0.0365 0.0322 0.0339
10:01-11:00, Mon., 25 Feb. 0.0367 0.0324 0.0341
09:01-10:00, Mon., 25 Feb. 0.0361 0.0313 0.0341
08:01-09:00, Mon., 25 Feb. 0.0369 0.0328 0.0344
07:01-08:00, Mon., 25 Feb. 0.0367 0.0321 0.0347
06:01-07:00, Mon., 25 Feb. 0.0363 0.0322 0.0341
05:01-06:00, Mon., 25 Feb. 0.0360 0.0320 0.0340
04:01-05:00, Mon., 25 Feb. 0.0365 0.0319 0.0340
03:01-04:00, Mon., 25 Feb. 0.0361 0.0317 0.0339
02:01-03:00, Mon., 25 Feb. 0.0358 0.0315 0.0334
01:01-02:00, Mon., 25 Feb. 0.0355 0.0307 0.0334
00:01-01:00, Mon., 25 Feb. 0.0355 0.0313 0.0330