Measurement results by the hour (Hachioji) 26 Jan., 2015 - 1 Feb., 2015

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., 01 Feb. 0.0336 0.0298 0.0318
22:01-23:00, Sun., 01 Feb. 0.0330 0.0301 0.0317
21:01-22:00, Sun., 01 Feb. 0.0336 0.0298 0.0316
20:01-21:00, Sun., 01 Feb. 0.0331 0.0297 0.0315
19:01-20:00, Sun., 01 Feb. 0.0336 0.0296 0.0315
18:01-19:00, Sun., 01 Feb. 0.0330 0.0289 0.0311
17:01-18:00, Sun., 01 Feb. 0.0344 0.0291 0.0313
16:01-17:00, Sun., 01 Feb. 0.0337 0.0297 0.0315
15:01-16:00, Sun., 01 Feb. 0.0332 0.0294 0.0313
14:01-15:00, Sun., 01 Feb. 0.0337 0.0284 0.0313
13:01-14:00, Sun., 01 Feb. 0.0333 0.0291 0.0311
12:01-13:00, Sun., 01 Feb. 0.0330 0.0289 0.0310
11:01-12:00, Sun., 01 Feb. 0.0333 0.0281 0.0307
10:01-11:00, Sun., 01 Feb. 0.0330 0.0288 0.0308
09:01-10:00, Sun., 01 Feb. 0.0330 0.0286 0.0310
08:01-09:00, Sun., 01 Feb. 0.0325 0.0290 0.0307
07:01-08:00, Sun., 01 Feb. 0.0331 0.0290 0.0311
06:01-07:00, Sun., 01 Feb. 0.0335 0.0289 0.0311
05:01-06:00, Sun., 01 Feb. 0.0324 0.0291 0.0311
04:01-05:00, Sun., 01 Feb. 0.0332 0.0283 0.0313
03:01-04:00, Sun., 01 Feb. 0.0333 0.0294 0.0314
02:01-03:00, Sun., 01 Feb. 0.0335 0.0296 0.0315
01:01-02:00, Sun., 01 Feb. 0.0336 0.0294 0.0313
00:01-01:00, Sun., 01 Feb. 0.0331 0.0299 0.0312
23:01-24:00, Sat., 31 Jan. 0.0334 0.0288 0.0314
22:01-23:00, Sat., 31 Jan. 0.0336 0.0286 0.0316
21:01-22:00, Sat., 31 Jan. 0.0339 0.0292 0.0313
20:01-21:00, Sat., 31 Jan. 0.0339 0.0295 0.0313
19:01-20:00, Sat., 31 Jan. 0.0341 0.0293 0.0315
18:01-19:00, Sat., 31 Jan. 0.0338 0.0291 0.0311
17:01-18:00, Sat., 31 Jan. 0.0339 0.0296 0.0313
16:01-17:00, Sat., 31 Jan. 0.0341 0.0292 0.0309
15:01-16:00, Sat., 31 Jan. 0.0321 0.0282 0.0305
14:01-15:00, Sat., 31 Jan. 0.0331 0.0290 0.0307
13:01-14:00, Sat., 31 Jan. 0.0322 0.0286 0.0304
12:01-13:00, Sat., 31 Jan. 0.0323 0.0286 0.0301
11:01-12:00, Sat., 31 Jan. 0.0326 0.0285 0.0306
10:01-11:00, Sat., 31 Jan. 0.0320 0.0282 0.0300
09:01-10:00, Sat., 31 Jan. 0.0328 0.0285 0.0305
08:01-09:00, Sat., 31 Jan. 0.0327 0.0281 0.0307
07:01-08:00, Sat., 31 Jan. 0.0326 0.0284 0.0307
06:01-07:00, Sat., 31 Jan. 0.0326 0.0289 0.0308
05:01-06:00, Sat., 31 Jan. 0.0327 0.0286 0.0308
04:01-05:00, Sat., 31 Jan. 0.0330 0.0289 0.0308
03:01-04:00, Sat., 31 Jan. 0.0332 0.0281 0.0309
02:01-03:00, Sat., 31 Jan. 0.0329 0.0284 0.0305
01:01-02:00, Sat., 31 Jan. 0.0326 0.0285 0.0303
00:01-01:00, Sat., 31 Jan. 0.0331 0.0286 0.0305
23:01-24:00, Fri., 30 Jan. 0.0329 0.0294 0.0310
22:01-23:00, Fri., 30 Jan. 0.0334 0.0274 0.0305
21:01-22:00, Fri., 30 Jan. 0.0318 0.0277 0.0298
20:01-21:00, Fri., 30 Jan. 0.0318 0.0281 0.0298
19:01-20:00, Fri., 30 Jan. 0.0311 0.0273 0.0294
18:01-19:00, Fri., 30 Jan. 0.0310 0.0266 0.0291
17:01-18:00, Fri., 30 Jan. 0.0333 0.0283 0.0306
16:01-17:00, Fri., 30 Jan. 0.0382 0.0313 0.0353
15:01-16:00, Fri., 30 Jan. 0.0404 0.0351 0.0368
14:01-15:00, Fri., 30 Jan. 0.0392 0.0320 0.0358
13:01-14:00, Fri., 30 Jan. 0.0403 0.0332 0.0359
12:01-13:00, Fri., 30 Jan. 0.0492 0.0363 0.0430
11:01-12:00, Fri., 30 Jan. 0.0510 0.0397 0.0459
10:01-11:00, Fri., 30 Jan. 0.0463 0.0393 0.0420
09:01-10:00, Fri., 30 Jan. 0.0434 0.0364 0.0395
08:01-09:00, Fri., 30 Jan. 0.0423 0.0353 0.0390
07:01-08:00, Fri., 30 Jan. 0.0413 0.0359 0.0387
06:01-07:00, Fri., 30 Jan. 0.0404 0.0355 0.0377
05:01-06:00, Fri., 30 Jan. 0.0421 0.0346 0.0378
04:01-05:00, Fri., 30 Jan. 0.0379 0.0337 0.0358
03:01-04:00, Fri., 30 Jan. 0.0374 0.0323 0.0350
02:01-03:00, Fri., 30 Jan. 0.0360 0.0329 0.0344
01:01-02:00, Fri., 30 Jan. 0.0353 0.0320 0.0341
00:01-01:00, Fri., 30 Jan. 0.0361 0.0322 0.0340
23:01-24:00, Thu., 29 Jan. 0.0355 0.0312 0.0336
22:01-23:00, Thu., 29 Jan. 0.0352 0.0317 0.0335
21:01-22:00, Thu., 29 Jan. 0.0354 0.0308 0.0328
20:01-21:00, Thu., 29 Jan. 0.0351 0.0301 0.0327
19:01-20:00, Thu., 29 Jan. 0.0349 0.0312 0.0327
18:01-19:00, Thu., 29 Jan. 0.0343 0.0302 0.0325
17:01-18:00, Thu., 29 Jan. 0.0352 0.0307 0.0326
16:01-17:00, Thu., 29 Jan. 0.0353 0.0299 0.0326
15:01-16:00, Thu., 29 Jan. 0.0344 0.0306 0.0325
14:01-15:00, Thu., 29 Jan. 0.0348 0.0307 0.0327
13:01-14:00, Thu., 29 Jan. 0.0345 0.0303 0.0326
12:01-13:00, Thu., 29 Jan. 0.0347 0.0302 0.0325
11:01-12:00, Thu., 29 Jan. 0.0354 0.0304 0.0329
10:01-11:00, Thu., 29 Jan. 0.0354 0.0305 0.0327
09:01-10:00, Thu., 29 Jan. 0.0348 0.0313 0.0331
08:01-09:00, Thu., 29 Jan. 0.0363 0.0314 0.0343
07:01-08:00, Thu., 29 Jan. 0.0360 0.0326 0.0345
06:01-07:00, Thu., 29 Jan. 0.0365 0.0325 0.0345
05:01-06:00, Thu., 29 Jan. 0.0366 0.0326 0.0343
04:01-05:00, Thu., 29 Jan. 0.0363 0.0314 0.0336
03:01-04:00, Thu., 29 Jan. 0.0355 0.0314 0.0334
02:01-03:00, Thu., 29 Jan. 0.0354 0.0314 0.0331
01:01-02:00, Thu., 29 Jan. 0.0346 0.0313 0.0329
00:01-01:00, Thu., 29 Jan. 0.0346 0.0309 0.0326
23:01-24:00, Wed., 28 Jan. 0.0355 0.0308 0.0325
22:01-23:00, Wed., 28 Jan. 0.0343 0.0305 0.0324
21:01-22:00, Wed., 28 Jan. 0.0340 0.0304 0.0324
20:01-21:00, Wed., 28 Jan. 0.0342 0.0305 0.0324
19:01-20:00, Wed., 28 Jan. 0.0347 0.0297 0.0323
18:01-19:00, Wed., 28 Jan. 0.0355 0.0304 0.0327
17:01-18:00, Wed., 28 Jan. 0.0340 0.0308 0.0325
16:01-17:00, Wed., 28 Jan. 0.0351 0.0306 0.0325
15:01-16:00, Wed., 28 Jan. 0.0349 0.0303 0.0324
14:01-15:00, Wed., 28 Jan. 0.0342 0.0300 0.0323
13:01-14:00, Wed., 28 Jan. 0.0343 0.0304 0.0323
12:01-13:00, Wed., 28 Jan. 0.0344 0.0300 0.0323
11:01-12:00, Wed., 28 Jan. 0.0343 0.0309 0.0326
10:01-11:00, Wed., 28 Jan. 0.0339 0.0309 0.0323
09:01-10:00, Wed., 28 Jan. 0.0350 0.0304 0.0327
08:01-09:00, Wed., 28 Jan. 0.0348 0.0307 0.0330
07:01-08:00, Wed., 28 Jan. 0.0429 0.0331 0.0363
06:01-07:00, Wed., 28 Jan. 0.0602 0.0393 0.0486
05:01-06:00, Wed., 28 Jan. 0.0956 0.0586 0.0753
04:01-05:00, Wed., 28 Jan. 0.0967 0.0491 0.0815
03:01-04:00, Wed., 28 Jan. 0.0502 0.0324 0.0383
02:01-03:00, Wed., 28 Jan. 0.0364 0.0317 0.0344
01:01-02:00, Wed., 28 Jan. 0.0370 0.0327 0.0350
00:01-01:00, Wed., 28 Jan. 0.0383 0.0335 0.0356
23:01-24:00, Tue., 27 Jan. 0.0420 0.0354 0.0378
22:01-23:00, Tue., 27 Jan. 0.0499 0.0391 0.0447
21:01-22:00, Tue., 27 Jan. 0.0527 0.0349 0.0452
20:01-21:00, Tue., 27 Jan. 0.0376 0.0318 0.0341
19:01-20:00, Tue., 27 Jan. 0.0364 0.0319 0.0341
18:01-19:00, Tue., 27 Jan. 0.0354 0.0314 0.0337
17:01-18:00, Tue., 27 Jan. 0.0354 0.0315 0.0335
16:01-17:00, Tue., 27 Jan. 0.0351 0.0319 0.0334
15:01-16:00, Tue., 27 Jan. 0.0354 0.0310 0.0329
14:01-15:00, Tue., 27 Jan. 0.0348 0.0309 0.0325
13:01-14:00, Tue., 27 Jan. 0.0342 0.0302 0.0324
12:01-13:00, Tue., 27 Jan. 0.0350 0.0306 0.0326
11:01-12:00, Tue., 27 Jan. 0.0360 0.0308 0.0336
10:01-11:00, Tue., 27 Jan. 0.0357 0.0321 0.0343
09:01-10:00, Tue., 27 Jan. 0.0372 0.0333 0.0352
08:01-09:00, Tue., 27 Jan. 0.0431 0.0338 0.0372
07:01-08:00, Tue., 27 Jan. 0.0545 0.0382 0.0458
06:01-07:00, Tue., 27 Jan. 0.0537 0.0446 0.0489
05:01-06:00, Tue., 27 Jan. 0.0488 0.0391 0.0442
04:01-05:00, Tue., 27 Jan. 0.0441 0.0364 0.0403
03:01-04:00, Tue., 27 Jan. 0.0406 0.0357 0.0380
02:01-03:00, Tue., 27 Jan. 0.0418 0.0357 0.0386
01:01-02:00, Tue., 27 Jan. 0.0432 0.0361 0.0396
00:01-01:00, Tue., 27 Jan. 0.0419 0.0351 0.0381
23:01-24:00, Mon., 26 Jan. 0.0383 0.0347 0.0364
22:01-23:00, Mon., 26 Jan. 0.0376 0.0341 0.0358
21:01-22:00, Mon., 26 Jan. 0.0369 0.0341 0.0357
20:01-21:00, Mon., 26 Jan. 0.0363 0.0319 0.0342
19:01-20:00, Mon., 26 Jan. 0.0359 0.0314 0.0337
18:01-19:00, Mon., 26 Jan. 0.0358 0.0315 0.0333
17:01-18:00, Mon., 26 Jan. 0.0359 0.0315 0.0335
16:01-17:00, Mon., 26 Jan. 0.0353 0.0312 0.0335
15:01-16:00, Mon., 26 Jan. 0.0351 0.0313 0.0331
14:01-15:00, Mon., 26 Jan. 0.0357 0.0312 0.0332
13:01-14:00, Mon., 26 Jan. 0.0351 0.0301 0.0331
12:01-13:00, Mon., 26 Jan. 0.0360 0.0306 0.0331
11:01-12:00, Mon., 26 Jan. 0.0362 0.0316 0.0335
10:01-11:00, Mon., 26 Jan. 0.0361 0.0319 0.0337
09:01-10:00, Mon., 26 Jan. 0.0372 0.0321 0.0342
08:01-09:00, Mon., 26 Jan. 0.0367 0.0328 0.0349
07:01-08:00, Mon., 26 Jan. 0.0372 0.0323 0.0346
06:01-07:00, Mon., 26 Jan. 0.0362 0.0319 0.0342
05:01-06:00, Mon., 26 Jan. 0.0358 0.0321 0.0342
04:01-05:00, Mon., 26 Jan. 0.0367 0.0319 0.0342
03:01-04:00, Mon., 26 Jan. 0.0360 0.0315 0.0339
02:01-03:00, Mon., 26 Jan. 0.0363 0.0317 0.0338
01:01-02:00, Mon., 26 Jan. 0.0360 0.0315 0.0343
00:01-01:00, Mon., 26 Jan. 0.0371 0.0321 0.0347