Measurement results by the hour (Chofu) 31 Mar., 2014 - 6 Apr., 2014

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 Apr. 0.0340 0.0302 0.0319
22:01-23:00, Sun., 06 Apr. 0.0340 0.0296 0.0319
21:01-22:00, Sun., 06 Apr. 0.0333 0.0297 0.0314
20:01-21:00, Sun., 06 Apr. 0.0331 0.0296 0.0313
19:01-20:00, Sun., 06 Apr. 0.0345 0.0295 0.0315
18:01-19:00, Sun., 06 Apr. 0.0339 0.0297 0.0320
17:01-18:00, Sun., 06 Apr. 0.0357 0.0311 0.0330
16:01-17:00, Sun., 06 Apr. 0.0423 0.0332 0.0366
15:01-16:00, Sun., 06 Apr. 0.0540 0.0388 0.0463
14:01-15:00, Sun., 06 Apr. 0.0553 0.0368 0.0464
13:01-14:00, Sun., 06 Apr. 0.0390 0.0335 0.0360
12:01-13:00, Sun., 06 Apr. 0.0415 0.0301 0.0372
11:01-12:00, Sun., 06 Apr. 0.0331 0.0305 0.0319
10:01-11:00, Sun., 06 Apr. 0.0339 0.0301 0.0319
09:01-10:00, Sun., 06 Apr. 0.0339 0.0299 0.0314
08:01-09:00, Sun., 06 Apr. 0.0339 0.0295 0.0314
07:01-08:00, Sun., 06 Apr. 0.0345 0.0303 0.0323
06:01-07:00, Sun., 06 Apr. 0.0358 0.0302 0.0333
05:01-06:00, Sun., 06 Apr. 0.0356 0.0301 0.0326
04:01-05:00, Sun., 06 Apr. 0.0353 0.0303 0.0325
03:01-04:00, Sun., 06 Apr. 0.0406 0.0326 0.0358
02:01-03:00, Sun., 06 Apr. 0.0527 0.0365 0.0443
01:01-02:00, Sun., 06 Apr. 0.0536 0.0461 0.0500
00:01-01:00, Sun., 06 Apr. 0.0505 0.0388 0.0457
23:01-24:00, Sat., 05 Apr. 0.0399 0.0309 0.0339
22:01-23:00, Sat., 05 Apr. 0.0339 0.0293 0.0319
21:01-22:00, Sat., 05 Apr. 0.0336 0.0299 0.0318
20:01-21:00, Sat., 05 Apr. 0.0333 0.0293 0.0313
19:01-20:00, Sat., 05 Apr. 0.0334 0.0289 0.0314
18:01-19:00, Sat., 05 Apr. 0.0346 0.0298 0.0313
17:01-18:00, Sat., 05 Apr. 0.0332 0.0294 0.0313
16:01-17:00, Sat., 05 Apr. 0.0338 0.0298 0.0317
15:01-16:00, Sat., 05 Apr. 0.0336 0.0289 0.0319
14:01-15:00, Sat., 05 Apr. 0.0352 0.0299 0.0325
13:01-14:00, Sat., 05 Apr. 0.0365 0.0315 0.0340
12:01-13:00, Sat., 05 Apr. 0.0368 0.0296 0.0326
11:01-12:00, Sat., 05 Apr. 0.0334 0.0293 0.0316
10:01-11:00, Sat., 05 Apr. 0.0342 0.0295 0.0316
09:01-10:00, Sat., 05 Apr. 0.0341 0.0296 0.0316
08:01-09:00, Sat., 05 Apr. 0.0336 0.0292 0.0317
07:01-08:00, Sat., 05 Apr. 0.0335 0.0294 0.0321
06:01-07:00, Sat., 05 Apr. 0.0337 0.0299 0.0318
05:01-06:00, Sat., 05 Apr. 0.0334 0.0304 0.0318
04:01-05:00, Sat., 05 Apr. 0.0333 0.0300 0.0317
03:01-04:00, Sat., 05 Apr. 0.0332 0.0294 0.0315
02:01-03:00, Sat., 05 Apr. 0.0337 0.0293 0.0311
01:01-02:00, Sat., 05 Apr. 0.0342 0.0293 0.0316
00:01-01:00, Sat., 05 Apr. 0.0329 0.0289 0.0311
23:01-24:00, Fri., 04 Apr. 0.0332 0.0289 0.0313
22:01-23:00, Fri., 04 Apr. 0.0336 0.0285 0.0311
21:01-22:00, Fri., 04 Apr. 0.0330 0.0297 0.0313
20:01-21:00, Fri., 04 Apr. 0.0348 0.0293 0.0322
19:01-20:00, Fri., 04 Apr. 0.0358 0.0312 0.0335
18:01-19:00, Fri., 04 Apr. 0.0429 0.0345 0.0386
17:01-18:00, Fri., 04 Apr. 0.0447 0.0290 0.0342
16:01-17:00, Fri., 04 Apr. 0.0334 0.0287 0.0312
15:01-16:00, Fri., 04 Apr. 0.0334 0.0293 0.0310
14:01-15:00, Fri., 04 Apr. 0.0332 0.0295 0.0312
13:01-14:00, Fri., 04 Apr. 0.0330 0.0292 0.0313
12:01-13:00, Fri., 04 Apr. 0.0328 0.0286 0.0311
11:01-12:00, Fri., 04 Apr. 0.0333 0.0291 0.0314
10:01-11:00, Fri., 04 Apr. 0.0329 0.0296 0.0312
09:01-10:00, Fri., 04 Apr. 0.0345 0.0292 0.0313
08:01-09:00, Fri., 04 Apr. 0.0340 0.0300 0.0317
07:01-08:00, Fri., 04 Apr. 0.0343 0.0297 0.0318
06:01-07:00, Fri., 04 Apr. 0.0345 0.0304 0.0325
05:01-06:00, Fri., 04 Apr. 0.0366 0.0315 0.0340
04:01-05:00, Fri., 04 Apr. 0.0398 0.0331 0.0361
03:01-04:00, Fri., 04 Apr. 0.0429 0.0357 0.0395
02:01-03:00, Fri., 04 Apr. 0.0451 0.0396 0.0420
01:01-02:00, Fri., 04 Apr. 0.0446 0.0379 0.0415
00:01-01:00, Fri., 04 Apr. 0.0437 0.0360 0.0400
23:01-24:00, Thu., 03 Apr. 0.0453 0.0381 0.0410
22:01-23:00, Thu., 03 Apr. 0.0434 0.0373 0.0405
21:01-22:00, Thu., 03 Apr. 0.0423 0.0362 0.0392
20:01-21:00, Thu., 03 Apr. 0.0409 0.0353 0.0374
19:01-20:00, Thu., 03 Apr. 0.0391 0.0344 0.0364
18:01-19:00, Thu., 03 Apr. 0.0404 0.0354 0.0374
17:01-18:00, Thu., 03 Apr. 0.0415 0.0352 0.0377
16:01-17:00, Thu., 03 Apr. 0.0425 0.0362 0.0386
15:01-16:00, Thu., 03 Apr. 0.0430 0.0361 0.0387
14:01-15:00, Thu., 03 Apr. 0.0408 0.0354 0.0381
13:01-14:00, Thu., 03 Apr. 0.0411 0.0362 0.0385
12:01-13:00, Thu., 03 Apr. 0.0430 0.0359 0.0385
11:01-12:00, Thu., 03 Apr. 0.0411 0.0353 0.0376
10:01-11:00, Thu., 03 Apr. 0.0368 0.0334 0.0354
09:01-10:00, Thu., 03 Apr. 0.0368 0.0320 0.0344
08:01-09:00, Thu., 03 Apr. 0.0360 0.0322 0.0341
07:01-08:00, Thu., 03 Apr. 0.0360 0.0328 0.0342
06:01-07:00, Thu., 03 Apr. 0.0374 0.0323 0.0345
05:01-06:00, Thu., 03 Apr. 0.0370 0.0324 0.0352
04:01-05:00, Thu., 03 Apr. 0.0370 0.0317 0.0342
03:01-04:00, Thu., 03 Apr. 0.0365 0.0320 0.0340
02:01-03:00, Thu., 03 Apr. 0.0364 0.0311 0.0338
01:01-02:00, Thu., 03 Apr. 0.0361 0.0303 0.0329
00:01-01:00, Thu., 03 Apr. 0.0343 0.0293 0.0319
23:01-24:00, Wed., 02 Apr. 0.0348 0.0305 0.0327
22:01-23:00, Wed., 02 Apr. 0.0359 0.0320 0.0338
21:01-22:00, Wed., 02 Apr. 0.0350 0.0307 0.0333
20:01-21:00, Wed., 02 Apr. 0.0352 0.0307 0.0325
19:01-20:00, Wed., 02 Apr. 0.0347 0.0307 0.0324
18:01-19:00, Wed., 02 Apr. 0.0346 0.0304 0.0326
17:01-18:00, Wed., 02 Apr. 0.0336 0.0298 0.0313
16:01-17:00, Wed., 02 Apr. 0.0330 0.0297 0.0314
15:01-16:00, Wed., 02 Apr. 0.0333 0.0297 0.0314
14:01-15:00, Wed., 02 Apr. 0.0330 0.0298 0.0314
13:01-14:00, Wed., 02 Apr. 0.0336 0.0296 0.0314
12:01-13:00, Wed., 02 Apr. 0.0331 0.0288 0.0314
11:01-12:00, Wed., 02 Apr. 0.0340 0.0304 0.0320
10:01-11:00, Wed., 02 Apr. 0.0336 0.0296 0.0320
09:01-10:00, Wed., 02 Apr. 0.0341 0.0305 0.0323
08:01-09:00, Wed., 02 Apr. 0.0343 0.0303 0.0323
07:01-08:00, Wed., 02 Apr. 0.0344 0.0301 0.0326
06:01-07:00, Wed., 02 Apr. 0.0345 0.0301 0.0325
05:01-06:00, Wed., 02 Apr. 0.0355 0.0311 0.0326
04:01-05:00, Wed., 02 Apr. 0.0349 0.0308 0.0325
03:01-04:00, Wed., 02 Apr. 0.0350 0.0314 0.0330
02:01-03:00, Wed., 02 Apr. 0.0352 0.0307 0.0328
01:01-02:00, Wed., 02 Apr. 0.0341 0.0304 0.0320
00:01-01:00, Wed., 02 Apr. 0.0338 0.0298 0.0319
23:01-24:00, Tue., 01 Apr. 0.0341 0.0302 0.0318
22:01-23:00, Tue., 01 Apr. 0.0333 0.0304 0.0318
21:01-22:00, Tue., 01 Apr. 0.0332 0.0296 0.0315
20:01-21:00, Tue., 01 Apr. 0.0335 0.0296 0.0313
19:01-20:00, Tue., 01 Apr. 0.0342 0.0291 0.0314
18:01-19:00, Tue., 01 Apr. 0.0340 0.0288 0.0313
17:01-18:00, Tue., 01 Apr. 0.0329 0.0298 0.0313
16:01-17:00, Tue., 01 Apr. 0.0334 0.0299 0.0314
15:01-16:00, Tue., 01 Apr. 0.0339 0.0303 0.0315
14:01-15:00, Tue., 01 Apr. 0.0329 0.0297 0.0313
13:01-14:00, Tue., 01 Apr. 0.0340 0.0298 0.0319
12:01-13:00, Tue., 01 Apr. 0.0341 0.0289 0.0317
11:01-12:00, Tue., 01 Apr. 0.0330 0.0297 0.0316
10:01-11:00, Tue., 01 Apr. 0.0337 0.0300 0.0317
09:01-10:00, Tue., 01 Apr. 0.0343 0.0299 0.0317
08:01-09:00, Tue., 01 Apr. 0.0334 0.0296 0.0316
07:01-08:00, Tue., 01 Apr. 0.0339 0.0300 0.0318
06:01-07:00, Tue., 01 Apr. 0.0331 0.0296 0.0318
05:01-06:00, Tue., 01 Apr. 0.0340 0.0292 0.0318
04:01-05:00, Tue., 01 Apr. 0.0335 0.0295 0.0317
03:01-04:00, Tue., 01 Apr. 0.0345 0.0299 0.0316
02:01-03:00, Tue., 01 Apr. 0.0338 0.0304 0.0318
01:01-02:00, Tue., 01 Apr. 0.0334 0.0298 0.0317
00:01-01:00, Tue., 01 Apr. 0.0338 0.0300 0.0319
23:01-24:00, Mon., 31 Mar. 0.0339 0.0301 0.0317
22:01-23:00, Mon., 31 Mar. 0.0336 0.0299 0.0318
21:01-22:00, Mon., 31 Mar. 0.0336 0.0295 0.0317
20:01-21:00, Mon., 31 Mar. 0.0338 0.0290 0.0315
19:01-20:00, Mon., 31 Mar. 0.0338 0.0293 0.0316
18:01-19:00, Mon., 31 Mar. 0.0338 0.0297 0.0316
17:01-18:00, Mon., 31 Mar. 0.0334 0.0293 0.0315
16:01-17:00, Mon., 31 Mar. 0.0339 0.0293 0.0314
15:01-16:00, Mon., 31 Mar. 0.0332 0.0295 0.0316
14:01-15:00, Mon., 31 Mar. 0.0338 0.0282 0.0314
13:01-14:00, Mon., 31 Mar. 0.0338 0.0295 0.0315
12:01-13:00, Mon., 31 Mar. 0.0336 0.0287 0.0315
11:01-12:00, Mon., 31 Mar. 0.0335 0.0300 0.0318
10:01-11:00, Mon., 31 Mar. 0.0336 0.0292 0.0316
09:01-10:00, Mon., 31 Mar. 0.0336 0.0298 0.0314
08:01-09:00, Mon., 31 Mar. 0.0334 0.0284 0.0316
07:01-08:00, Mon., 31 Mar. 0.0337 0.0302 0.0317
06:01-07:00, Mon., 31 Mar. 0.0337 0.0300 0.0317
05:01-06:00, Mon., 31 Mar. 0.0332 0.0293 0.0316
04:01-05:00, Mon., 31 Mar. 0.0337 0.0301 0.0319
03:01-04:00, Mon., 31 Mar. 0.0341 0.0297 0.0317
02:01-03:00, Mon., 31 Mar. 0.0336 0.0299 0.0319
01:01-02:00, Mon., 31 Mar. 0.0335 0.0299 0.0320
00:01-01:00, Mon., 31 Mar. 0.0336 0.0299 0.0320