Measurement results by the hour (Chofu) 16 Oct., 2017 - 22 Oct., 2017

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., 22 Oct. 0.0400 0.0339 0.0362
22:01-23:00, Sun., 22 Oct. 0.0399 0.0336 0.0364
21:01-22:00, Sun., 22 Oct. 0.0395 0.0325 0.0358
20:01-21:00, Sun., 22 Oct. 0.0403 0.0354 0.0374
19:01-20:00, Sun., 22 Oct. 0.0428 0.0343 0.0375
18:01-19:00, Sun., 22 Oct. 0.0416 0.0354 0.0385
17:01-18:00, Sun., 22 Oct. 0.0371 0.0322 0.0342
16:01-17:00, Sun., 22 Oct. 0.0360 0.0314 0.0343
15:01-16:00, Sun., 22 Oct. 0.0359 0.0317 0.0336
14:01-15:00, Sun., 22 Oct. 0.0358 0.0306 0.0332
13:01-14:00, Sun., 22 Oct. 0.0350 0.0319 0.0333
12:01-13:00, Sun., 22 Oct. 0.0367 0.0315 0.0342
11:01-12:00, Sun., 22 Oct. 0.0380 0.0334 0.0354
10:01-11:00, Sun., 22 Oct. 0.0412 0.0347 0.0373
09:01-10:00, Sun., 22 Oct. 0.0407 0.0351 0.0372
08:01-09:00, Sun., 22 Oct. 0.0438 0.0364 0.0390
07:01-08:00, Sun., 22 Oct. 0.0432 0.0365 0.0400
06:01-07:00, Sun., 22 Oct. 0.0405 0.0331 0.0360
05:01-06:00, Sun., 22 Oct. 0.0365 0.0311 0.0338
04:01-05:00, Sun., 22 Oct. 0.0347 0.0307 0.0329
03:01-04:00, Sun., 22 Oct. 0.0346 0.0304 0.0324
02:01-03:00, Sun., 22 Oct. 0.0339 0.0299 0.0318
01:01-02:00, Sun., 22 Oct. 0.0329 0.0288 0.0309
00:01-01:00, Sun., 22 Oct. 0.0313 0.0262 0.0293
23:01-24:00, Sat., 21 Oct. 0.0308 0.0262 0.0285
22:01-23:00, Sat., 21 Oct. 0.0315 0.0276 0.0296
21:01-22:00, Sat., 21 Oct. 0.0317 0.0276 0.0295
20:01-21:00, Sat., 21 Oct. 0.0318 0.0270 0.0298
19:01-20:00, Sat., 21 Oct. 0.0335 0.0290 0.0315
18:01-19:00, Sat., 21 Oct. 0.0364 0.0306 0.0330
17:01-18:00, Sat., 21 Oct. 0.0395 0.0336 0.0359
16:01-17:00, Sat., 21 Oct. 0.0418 0.0345 0.0376
15:01-16:00, Sat., 21 Oct. 0.0417 0.0347 0.0383
14:01-15:00, Sat., 21 Oct. 0.0421 0.0340 0.0379
13:01-14:00, Sat., 21 Oct. 0.0434 0.0361 0.0392
12:01-13:00, Sat., 21 Oct. 0.0452 0.0383 0.0415
11:01-12:00, Sat., 21 Oct. 0.0435 0.0367 0.0398
10:01-11:00, Sat., 21 Oct. 0.0453 0.0369 0.0407
09:01-10:00, Sat., 21 Oct. 0.0464 0.0393 0.0427
08:01-09:00, Sat., 21 Oct. 0.0452 0.0357 0.0392
07:01-08:00, Sat., 21 Oct. 0.0409 0.0339 0.0365
06:01-07:00, Sat., 21 Oct. 0.0393 0.0335 0.0361
05:01-06:00, Sat., 21 Oct. 0.0406 0.0337 0.0362
04:01-05:00, Sat., 21 Oct. 0.0365 0.0309 0.0341
03:01-04:00, Sat., 21 Oct. 0.0392 0.0328 0.0357
02:01-03:00, Sat., 21 Oct. 0.0416 0.0337 0.0372
01:01-02:00, Sat., 21 Oct. 0.0366 0.0322 0.0340
00:01-01:00, Sat., 21 Oct. 0.0356 0.0304 0.0326
23:01-24:00, Fri., 20 Oct. 0.0333 0.0299 0.0315
22:01-23:00, Fri., 20 Oct. 0.0336 0.0289 0.0310
21:01-22:00, Fri., 20 Oct. 0.0333 0.0291 0.0309
20:01-21:00, Fri., 20 Oct. 0.0342 0.0278 0.0313
19:01-20:00, Fri., 20 Oct. 0.0327 0.0285 0.0306
18:01-19:00, Fri., 20 Oct. 0.0321 0.0283 0.0302
17:01-18:00, Fri., 20 Oct. 0.0321 0.0272 0.0293
16:01-17:00, Fri., 20 Oct. 0.0316 0.0266 0.0288
15:01-16:00, Fri., 20 Oct. 0.0299 0.0257 0.0281
14:01-15:00, Fri., 20 Oct. 0.0307 0.0264 0.0288
13:01-14:00, Fri., 20 Oct. 0.0302 0.0270 0.0286
12:01-13:00, Fri., 20 Oct. 0.0315 0.0269 0.0294
11:01-12:00, Fri., 20 Oct. 0.0326 0.0274 0.0301
10:01-11:00, Fri., 20 Oct. 0.0315 0.0275 0.0295
09:01-10:00, Fri., 20 Oct. 0.0354 0.0287 0.0320
08:01-09:00, Fri., 20 Oct. 0.0446 0.0338 0.0386
07:01-08:00, Fri., 20 Oct. 0.0468 0.0393 0.0428
06:01-07:00, Fri., 20 Oct. 0.0465 0.0359 0.0421
05:01-06:00, Fri., 20 Oct. 0.0421 0.0338 0.0372
04:01-05:00, Fri., 20 Oct. 0.0453 0.0367 0.0402
03:01-04:00, Fri., 20 Oct. 0.0457 0.0393 0.0425
02:01-03:00, Fri., 20 Oct. 0.0433 0.0356 0.0396
01:01-02:00, Fri., 20 Oct. 0.0386 0.0285 0.0334
00:01-01:00, Fri., 20 Oct. 0.0340 0.0291 0.0317
23:01-24:00, Thu., 19 Oct. 0.0336 0.0294 0.0315
22:01-23:00, Thu., 19 Oct. 0.0346 0.0305 0.0325
21:01-22:00, Thu., 19 Oct. 0.0386 0.0326 0.0347
20:01-21:00, Thu., 19 Oct. 0.0425 0.0356 0.0377
19:01-20:00, Thu., 19 Oct. 0.0453 0.0372 0.0417
18:01-19:00, Thu., 19 Oct. 0.0433 0.0360 0.0392
17:01-18:00, Thu., 19 Oct. 0.0424 0.0360 0.0390
16:01-17:00, Thu., 19 Oct. 0.0501 0.0379 0.0441
15:01-16:00, Thu., 19 Oct. 0.0546 0.0453 0.0501
14:01-15:00, Thu., 19 Oct. 0.0548 0.0429 0.0504
13:01-14:00, Thu., 19 Oct. 0.0463 0.0379 0.0426
12:01-13:00, Thu., 19 Oct. 0.0509 0.0373 0.0464
11:01-12:00, Thu., 19 Oct. 0.0409 0.0347 0.0371
10:01-11:00, Thu., 19 Oct. 0.0433 0.0370 0.0407
09:01-10:00, Thu., 19 Oct. 0.0419 0.0360 0.0388
08:01-09:00, Thu., 19 Oct. 0.0439 0.0341 0.0377
07:01-08:00, Thu., 19 Oct. 0.0393 0.0334 0.0359
06:01-07:00, Thu., 19 Oct. 0.0375 0.0339 0.0356
05:01-06:00, Thu., 19 Oct. 0.0400 0.0329 0.0364
04:01-05:00, Thu., 19 Oct. 0.0400 0.0350 0.0371
03:01-04:00, Thu., 19 Oct. 0.0374 0.0336 0.0357
02:01-03:00, Thu., 19 Oct. 0.0393 0.0339 0.0359
01:01-02:00, Thu., 19 Oct. 0.0370 0.0317 0.0345
00:01-01:00, Thu., 19 Oct. 0.0350 0.0297 0.0328
23:01-24:00, Wed., 18 Oct. 0.0339 0.0301 0.0322
22:01-23:00, Wed., 18 Oct. 0.0325 0.0275 0.0296
21:01-22:00, Wed., 18 Oct. 0.0303 0.0262 0.0281
20:01-21:00, Wed., 18 Oct. 0.0306 0.0260 0.0282
19:01-20:00, Wed., 18 Oct. 0.0300 0.0264 0.0284
18:01-19:00, Wed., 18 Oct. 0.0308 0.0267 0.0284
17:01-18:00, Wed., 18 Oct. 0.0306 0.0266 0.0286
16:01-17:00, Wed., 18 Oct. 0.0304 0.0264 0.0283
15:01-16:00, Wed., 18 Oct. 0.0299 0.0267 0.0282
14:01-15:00, Wed., 18 Oct. 0.0298 0.0258 0.0281
13:01-14:00, Wed., 18 Oct. 0.0305 0.0258 0.0280
12:01-13:00, Wed., 18 Oct. 0.0308 0.0262 0.0283
11:01-12:00, Wed., 18 Oct. 0.0299 0.0268 0.0283
10:01-11:00, Wed., 18 Oct. 0.0309 0.0273 0.0285
09:01-10:00, Wed., 18 Oct. 0.0303 0.0273 0.0287
08:01-09:00, Wed., 18 Oct. 0.0311 0.0274 0.0291
07:01-08:00, Wed., 18 Oct. 0.0322 0.0268 0.0293
06:01-07:00, Wed., 18 Oct. 0.0315 0.0270 0.0293
05:01-06:00, Wed., 18 Oct. 0.0309 0.0276 0.0291
04:01-05:00, Wed., 18 Oct. 0.0314 0.0269 0.0293
03:01-04:00, Wed., 18 Oct. 0.0318 0.0276 0.0292
02:01-03:00, Wed., 18 Oct. 0.0305 0.0264 0.0288
01:01-02:00, Wed., 18 Oct. 0.0304 0.0264 0.0287
00:01-01:00, Wed., 18 Oct. 0.0302 0.0264 0.0284
23:01-24:00, Tue., 17 Oct. 0.0303 0.0267 0.0284
22:01-23:00, Tue., 17 Oct. 0.0304 0.0262 0.0286
21:01-22:00, Tue., 17 Oct. 0.0297 0.0264 0.0282
20:01-21:00, Tue., 17 Oct. 0.0300 0.0260 0.0282
19:01-20:00, Tue., 17 Oct. 0.0301 0.0262 0.0280
18:01-19:00, Tue., 17 Oct. 0.0302 0.0260 0.0279
17:01-18:00, Tue., 17 Oct. 0.0300 0.0258 0.0276
16:01-17:00, Tue., 17 Oct. 0.0294 0.0258 0.0278
15:01-16:00, Tue., 17 Oct. 0.0297 0.0260 0.0279
14:01-15:00, Tue., 17 Oct. 0.0299 0.0262 0.0282
13:01-14:00, Tue., 17 Oct. 0.0313 0.0265 0.0289
12:01-13:00, Tue., 17 Oct. 0.0352 0.0294 0.0320
11:01-12:00, Tue., 17 Oct. 0.0368 0.0315 0.0338
10:01-11:00, Tue., 17 Oct. 0.0360 0.0322 0.0342
09:01-10:00, Tue., 17 Oct. 0.0346 0.0297 0.0323
08:01-09:00, Tue., 17 Oct. 0.0353 0.0308 0.0325
07:01-08:00, Tue., 17 Oct. 0.0357 0.0315 0.0339
06:01-07:00, Tue., 17 Oct. 0.0394 0.0321 0.0352
05:01-06:00, Tue., 17 Oct. 0.0410 0.0345 0.0370
04:01-05:00, Tue., 17 Oct. 0.0376 0.0327 0.0348
03:01-04:00, Tue., 17 Oct. 0.0418 0.0342 0.0376
02:01-03:00, Tue., 17 Oct. 0.0418 0.0348 0.0382
01:01-02:00, Tue., 17 Oct. 0.0399 0.0322 0.0352
00:01-01:00, Tue., 17 Oct. 0.0403 0.0329 0.0360
23:01-24:00, Mon., 16 Oct. 0.0381 0.0329 0.0348
22:01-23:00, Mon., 16 Oct. 0.0412 0.0341 0.0369
21:01-22:00, Mon., 16 Oct. 0.0425 0.0355 0.0383
20:01-21:00, Mon., 16 Oct. 0.0386 0.0321 0.0351
19:01-20:00, Mon., 16 Oct. 0.0429 0.0337 0.0379
18:01-19:00, Mon., 16 Oct. 0.0498 0.0394 0.0441
17:01-18:00, Mon., 16 Oct. 0.0565 0.0452 0.0508
16:01-17:00, Mon., 16 Oct. 0.0549 0.0477 0.0518
15:01-16:00, Mon., 16 Oct. 0.0532 0.0422 0.0481
14:01-15:00, Mon., 16 Oct. 0.0517 0.0404 0.0462
13:01-14:00, Mon., 16 Oct. 0.0493 0.0432 0.0464
12:01-13:00, Mon., 16 Oct. 0.0531 0.0381 0.0459
11:01-12:00, Mon., 16 Oct. 0.0494 0.0397 0.0446
10:01-11:00, Mon., 16 Oct. 0.0533 0.0431 0.0479
09:01-10:00, Mon., 16 Oct. 0.0568 0.0491 0.0526
08:01-09:00, Mon., 16 Oct. 0.0581 0.0497 0.0542
07:01-08:00, Mon., 16 Oct. 0.0506 0.0414 0.0460
06:01-07:00, Mon., 16 Oct. 0.0554 0.0455 0.0491
05:01-06:00, Mon., 16 Oct. 0.0512 0.0453 0.0481
04:01-05:00, Mon., 16 Oct. 0.0534 0.0419 0.0467
03:01-04:00, Mon., 16 Oct. 0.0485 0.0417 0.0446
02:01-03:00, Mon., 16 Oct. 0.0484 0.0384 0.0436
01:01-02:00, Mon., 16 Oct. 0.0492 0.0390 0.0439
00:01-01:00, Mon., 16 Oct. 0.0442 0.0334 0.0370