Measurement results by the hour (Chofu) 30 Sep., 2013 - 6 Oct., 2013

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., 06 Oct. 0.0336 0.0303 0.0320
22:01-23:00, Sun., 06 Oct. 0.0350 0.0301 0.0320
21:01-22:00, Sun., 06 Oct. 0.0336 0.0295 0.0319
20:01-21:00, Sun., 06 Oct. 0.0336 0.0301 0.0320
19:01-20:00, Sun., 06 Oct. 0.0346 0.0299 0.0319
18:01-19:00, Sun., 06 Oct. 0.0342 0.0300 0.0320
17:01-18:00, Sun., 06 Oct. 0.0346 0.0298 0.0320
16:01-17:00, Sun., 06 Oct. 0.0341 0.0301 0.0324
15:01-16:00, Sun., 06 Oct. 0.0343 0.0307 0.0322
14:01-15:00, Sun., 06 Oct. 0.0348 0.0302 0.0323
13:01-14:00, Sun., 06 Oct. 0.0344 0.0301 0.0323
12:01-13:00, Sun., 06 Oct. 0.0341 0.0304 0.0323
11:01-12:00, Sun., 06 Oct. 0.0338 0.0299 0.0320
10:01-11:00, Sun., 06 Oct. 0.0344 0.0301 0.0323
09:01-10:00, Sun., 06 Oct. 0.0342 0.0308 0.0323
08:01-09:00, Sun., 06 Oct. 0.0343 0.0305 0.0324
07:01-08:00, Sun., 06 Oct. 0.0348 0.0295 0.0327
06:01-07:00, Sun., 06 Oct. 0.0350 0.0309 0.0326
05:01-06:00, Sun., 06 Oct. 0.0343 0.0311 0.0326
04:01-05:00, Sun., 06 Oct. 0.0344 0.0306 0.0325
03:01-04:00, Sun., 06 Oct. 0.0351 0.0307 0.0322
02:01-03:00, Sun., 06 Oct. 0.0356 0.0313 0.0330
01:01-02:00, Sun., 06 Oct. 0.0359 0.0315 0.0340
00:01-01:00, Sun., 06 Oct. 0.0393 0.0335 0.0355
23:01-24:00, Sat., 05 Oct. 0.0376 0.0330 0.0351
22:01-23:00, Sat., 05 Oct. 0.0367 0.0329 0.0347
21:01-22:00, Sat., 05 Oct. 0.0367 0.0327 0.0349
20:01-21:00, Sat., 05 Oct. 0.0373 0.0333 0.0352
19:01-20:00, Sat., 05 Oct. 0.0355 0.0318 0.0337
18:01-19:00, Sat., 05 Oct. 0.0367 0.0328 0.0347
17:01-18:00, Sat., 05 Oct. 0.0410 0.0349 0.0376
16:01-17:00, Sat., 05 Oct. 0.0412 0.0362 0.0382
15:01-16:00, Sat., 05 Oct. 0.0432 0.0362 0.0396
14:01-15:00, Sat., 05 Oct. 0.0442 0.0385 0.0414
13:01-14:00, Sat., 05 Oct. 0.0450 0.0387 0.0411
12:01-13:00, Sat., 05 Oct. 0.0440 0.0367 0.0398
11:01-12:00, Sat., 05 Oct. 0.0458 0.0371 0.0405
10:01-11:00, Sat., 05 Oct. 0.0522 0.0400 0.0450
09:01-10:00, Sat., 05 Oct. 0.0518 0.0433 0.0485
08:01-09:00, Sat., 05 Oct. 0.0501 0.0413 0.0449
07:01-08:00, Sat., 05 Oct. 0.0432 0.0353 0.0395
06:01-07:00, Sat., 05 Oct. 0.0434 0.0365 0.0398
05:01-06:00, Sat., 05 Oct. 0.0424 0.0361 0.0391
04:01-05:00, Sat., 05 Oct. 0.0407 0.0336 0.0363
03:01-04:00, Sat., 05 Oct. 0.0384 0.0336 0.0360
02:01-03:00, Sat., 05 Oct. 0.0421 0.0354 0.0378
01:01-02:00, Sat., 05 Oct. 0.0395 0.0341 0.0367
00:01-01:00, Sat., 05 Oct. 0.0455 0.0366 0.0406
23:01-24:00, Fri., 04 Oct. 0.0451 0.0387 0.0417
22:01-23:00, Fri., 04 Oct. 0.0430 0.0367 0.0395
21:01-22:00, Fri., 04 Oct. 0.0394 0.0337 0.0366
20:01-21:00, Fri., 04 Oct. 0.0400 0.0331 0.0364
19:01-20:00, Fri., 04 Oct. 0.0356 0.0319 0.0337
18:01-19:00, Fri., 04 Oct. 0.0353 0.0317 0.0335
17:01-18:00, Fri., 04 Oct. 0.0363 0.0317 0.0340
16:01-17:00, Fri., 04 Oct. 0.0362 0.0327 0.0343
15:01-16:00, Fri., 04 Oct. 0.0361 0.0316 0.0341
14:01-15:00, Fri., 04 Oct. 0.0381 0.0336 0.0355
13:01-14:00, Fri., 04 Oct. 0.0379 0.0319 0.0346
12:01-13:00, Fri., 04 Oct. 0.0362 0.0319 0.0341
11:01-12:00, Fri., 04 Oct. 0.0353 0.0308 0.0337
10:01-11:00, Fri., 04 Oct. 0.0366 0.0320 0.0342
09:01-10:00, Fri., 04 Oct. 0.0354 0.0320 0.0336
08:01-09:00, Fri., 04 Oct. 0.0359 0.0309 0.0337
07:01-08:00, Fri., 04 Oct. 0.0354 0.0321 0.0337
06:01-07:00, Fri., 04 Oct. 0.0353 0.0314 0.0335
05:01-06:00, Fri., 04 Oct. 0.0362 0.0318 0.0337
04:01-05:00, Fri., 04 Oct. 0.0365 0.0327 0.0345
03:01-04:00, Fri., 04 Oct. 0.0356 0.0309 0.0339
02:01-03:00, Fri., 04 Oct. 0.0357 0.0323 0.0338
01:01-02:00, Fri., 04 Oct. 0.0359 0.0309 0.0335
00:01-01:00, Fri., 04 Oct. 0.0357 0.0314 0.0333
23:01-24:00, Thu., 03 Oct. 0.0356 0.0314 0.0334
22:01-23:00, Thu., 03 Oct. 0.0357 0.0309 0.0333
21:01-22:00, Thu., 03 Oct. 0.0340 0.0305 0.0325
20:01-21:00, Thu., 03 Oct. 0.0344 0.0304 0.0326
19:01-20:00, Thu., 03 Oct. 0.0351 0.0310 0.0328
18:01-19:00, Thu., 03 Oct. 0.0356 0.0304 0.0324
17:01-18:00, Thu., 03 Oct. 0.0352 0.0309 0.0327
16:01-17:00, Thu., 03 Oct. 0.0352 0.0306 0.0326
15:01-16:00, Thu., 03 Oct. 0.0350 0.0310 0.0329
14:01-15:00, Thu., 03 Oct. 0.0351 0.0310 0.0328
13:01-14:00, Thu., 03 Oct. 0.0345 0.0311 0.0328
12:01-13:00, Thu., 03 Oct. 0.0347 0.0309 0.0329
11:01-12:00, Thu., 03 Oct. 0.0348 0.0317 0.0331
10:01-11:00, Thu., 03 Oct. 0.0354 0.0311 0.0335
09:01-10:00, Thu., 03 Oct. 0.0350 0.0312 0.0334
08:01-09:00, Thu., 03 Oct. 0.0359 0.0316 0.0337
07:01-08:00, Thu., 03 Oct. 0.0358 0.0310 0.0335
06:01-07:00, Thu., 03 Oct. 0.0368 0.0325 0.0347
05:01-06:00, Thu., 03 Oct. 0.0367 0.0333 0.0350
04:01-05:00, Thu., 03 Oct. 0.0372 0.0335 0.0349
03:01-04:00, Thu., 03 Oct. 0.0358 0.0322 0.0340
02:01-03:00, Thu., 03 Oct. 0.0356 0.0312 0.0335
01:01-02:00, Thu., 03 Oct. 0.0352 0.0316 0.0333
00:01-01:00, Thu., 03 Oct. 0.0348 0.0313 0.0330
23:01-24:00, Wed., 02 Oct. 0.0341 0.0298 0.0326
22:01-23:00, Wed., 02 Oct. 0.0353 0.0309 0.0328
21:01-22:00, Wed., 02 Oct. 0.0348 0.0308 0.0328
20:01-21:00, Wed., 02 Oct. 0.0344 0.0304 0.0328
19:01-20:00, Wed., 02 Oct. 0.0346 0.0301 0.0325
18:01-19:00, Wed., 02 Oct. 0.0340 0.0299 0.0322
17:01-18:00, Wed., 02 Oct. 0.0341 0.0307 0.0323
16:01-17:00, Wed., 02 Oct. 0.0336 0.0299 0.0322
15:01-16:00, Wed., 02 Oct. 0.0341 0.0305 0.0323
14:01-15:00, Wed., 02 Oct. 0.0343 0.0310 0.0323
13:01-14:00, Wed., 02 Oct. 0.0352 0.0304 0.0327
12:01-13:00, Wed., 02 Oct. 0.0362 0.0316 0.0337
11:01-12:00, Wed., 02 Oct. 0.0369 0.0322 0.0344
10:01-11:00, Wed., 02 Oct. 0.0370 0.0330 0.0353
09:01-10:00, Wed., 02 Oct. 0.0409 0.0335 0.0361
08:01-09:00, Wed., 02 Oct. 0.0396 0.0349 0.0368
07:01-08:00, Wed., 02 Oct. 0.0387 0.0320 0.0348
06:01-07:00, Wed., 02 Oct. 0.0362 0.0320 0.0340
05:01-06:00, Wed., 02 Oct. 0.0367 0.0324 0.0344
04:01-05:00, Wed., 02 Oct. 0.0364 0.0329 0.0346
03:01-04:00, Wed., 02 Oct. 0.0361 0.0323 0.0341
02:01-03:00, Wed., 02 Oct. 0.0366 0.0322 0.0343
01:01-02:00, Wed., 02 Oct. 0.0370 0.0321 0.0344
00:01-01:00, Wed., 02 Oct. 0.0363 0.0319 0.0339
23:01-24:00, Tue., 01 Oct. 0.0356 0.0318 0.0333
22:01-23:00, Tue., 01 Oct. 0.0353 0.0306 0.0331
21:01-22:00, Tue., 01 Oct. 0.0361 0.0307 0.0329
20:01-21:00, Tue., 01 Oct. 0.0345 0.0303 0.0327
19:01-20:00, Tue., 01 Oct. 0.0343 0.0314 0.0329
18:01-19:00, Tue., 01 Oct. 0.0362 0.0312 0.0330
17:01-18:00, Tue., 01 Oct. 0.0352 0.0317 0.0332
16:01-17:00, Tue., 01 Oct. 0.0353 0.0305 0.0336
15:01-16:00, Tue., 01 Oct. 0.0369 0.0315 0.0344
14:01-15:00, Tue., 01 Oct. 0.0363 0.0329 0.0348
13:01-14:00, Tue., 01 Oct. 0.0364 0.0317 0.0341
12:01-13:00, Tue., 01 Oct. 0.0357 0.0319 0.0336
11:01-12:00, Tue., 01 Oct. 0.0359 0.0316 0.0336
10:01-11:00, Tue., 01 Oct. 0.0367 0.0318 0.0340
09:01-10:00, Tue., 01 Oct. 0.0371 0.0320 0.0337
08:01-09:00, Tue., 01 Oct. 0.0370 0.0320 0.0341
07:01-08:00, Tue., 01 Oct. 0.0364 0.0326 0.0345
06:01-07:00, Tue., 01 Oct. 0.0357 0.0318 0.0339
05:01-06:00, Tue., 01 Oct. 0.0361 0.0322 0.0340
04:01-05:00, Tue., 01 Oct. 0.0364 0.0320 0.0337
03:01-04:00, Tue., 01 Oct. 0.0363 0.0312 0.0340
02:01-03:00, Tue., 01 Oct. 0.0356 0.0318 0.0340
01:01-02:00, Tue., 01 Oct. 0.0357 0.0316 0.0339
00:01-01:00, Tue., 01 Oct. 0.0355 0.0320 0.0337
23:01-24:00, Mon., 30 Sep. 0.0348 0.0315 0.0332
22:01-23:00, Mon., 30 Sep. 0.0352 0.0309 0.0332
21:01-22:00, Mon., 30 Sep. 0.0354 0.0305 0.0331
20:01-21:00, Mon., 30 Sep. 0.0347 0.0312 0.0330
19:01-20:00, Mon., 30 Sep. 0.0356 0.0314 0.0331
18:01-19:00, Mon., 30 Sep. 0.0349 0.0310 0.0330
17:01-18:00, Mon., 30 Sep. 0.0350 0.0303 0.0332
16:01-17:00, Mon., 30 Sep. 0.0354 0.0308 0.0330
15:01-16:00, Mon., 30 Sep. 0.0349 0.0316 0.0331
14:01-15:00, Mon., 30 Sep. 0.0347 0.0312 0.0329
13:01-14:00, Mon., 30 Sep. 0.0350 0.0310 0.0332
12:01-13:00, Mon., 30 Sep. 0.0353 0.0318 0.0336
11:01-12:00, Mon., 30 Sep. 0.0350 0.0313 0.0333
10:01-11:00, Mon., 30 Sep. 0.0353 0.0313 0.0329
09:01-10:00, Mon., 30 Sep. 0.0355 0.0315 0.0332
08:01-09:00, Mon., 30 Sep. 0.0365 0.0319 0.0338
07:01-08:00, Mon., 30 Sep. 0.0355 0.0318 0.0336
06:01-07:00, Mon., 30 Sep. 0.0356 0.0321 0.0335
05:01-06:00, Mon., 30 Sep. 0.0351 0.0316 0.0336
04:01-05:00, Mon., 30 Sep. 0.0359 0.0315 0.0335
03:01-04:00, Mon., 30 Sep. 0.0360 0.0315 0.0338
02:01-03:00, Mon., 30 Sep. 0.0355 0.0315 0.0335
01:01-02:00, Mon., 30 Sep. 0.0348 0.0312 0.0334
00:01-01:00, Mon., 30 Sep. 0.0363 0.0314 0.0332