Measurement results by the hour (Chofu) 2 Sep., 2013 - 8 Sep., 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., 08 Sep. 0.0359 0.0309 0.0331
22:01-23:00, Sun., 08 Sep. 0.0400 0.0325 0.0359
21:01-22:00, Sun., 08 Sep. 0.0478 0.0363 0.0425
20:01-21:00, Sun., 08 Sep. 0.0593 0.0433 0.0515
19:01-20:00, Sun., 08 Sep. 0.0640 0.0478 0.0542
18:01-19:00, Sun., 08 Sep. 0.0522 0.0356 0.0403
17:01-18:00, Sun., 08 Sep. 0.0430 0.0331 0.0369
16:01-17:00, Sun., 08 Sep. 0.0385 0.0341 0.0357
15:01-16:00, Sun., 08 Sep. 0.0368 0.0316 0.0347
14:01-15:00, Sun., 08 Sep. 0.0364 0.0312 0.0336
13:01-14:00, Sun., 08 Sep. 0.0369 0.0314 0.0341
12:01-13:00, Sun., 08 Sep. 0.0375 0.0336 0.0355
11:01-12:00, Sun., 08 Sep. 0.0359 0.0318 0.0342
10:01-11:00, Sun., 08 Sep. 0.0353 0.0316 0.0332
09:01-10:00, Sun., 08 Sep. 0.0347 0.0311 0.0327
08:01-09:00, Sun., 08 Sep. 0.0340 0.0302 0.0323
07:01-08:00, Sun., 08 Sep. 0.0350 0.0308 0.0327
06:01-07:00, Sun., 08 Sep. 0.0365 0.0322 0.0343
05:01-06:00, Sun., 08 Sep. 0.0369 0.0311 0.0338
04:01-05:00, Sun., 08 Sep. 0.0352 0.0305 0.0325
03:01-04:00, Sun., 08 Sep. 0.0347 0.0300 0.0324
02:01-03:00, Sun., 08 Sep. 0.0349 0.0301 0.0326
01:01-02:00, Sun., 08 Sep. 0.0343 0.0306 0.0324
00:01-01:00, Sun., 08 Sep. 0.0346 0.0292 0.0323
23:01-24:00, Sat., 07 Sep. 0.0343 0.0310 0.0325
22:01-23:00, Sat., 07 Sep. 0.0350 0.0304 0.0326
21:01-22:00, Sat., 07 Sep. 0.0351 0.0312 0.0326
20:01-21:00, Sat., 07 Sep. 0.0346 0.0311 0.0328
19:01-20:00, Sat., 07 Sep. 0.0348 0.0300 0.0328
18:01-19:00, Sat., 07 Sep. 0.0341 0.0304 0.0326
17:01-18:00, Sat., 07 Sep. 0.0342 0.0307 0.0324
16:01-17:00, Sat., 07 Sep. 0.0346 0.0301 0.0325
15:01-16:00, Sat., 07 Sep. 0.0346 0.0312 0.0328
14:01-15:00, Sat., 07 Sep. 0.0344 0.0305 0.0326
13:01-14:00, Sat., 07 Sep. 0.0352 0.0310 0.0326
12:01-13:00, Sat., 07 Sep. 0.0346 0.0308 0.0326
11:01-12:00, Sat., 07 Sep. 0.0345 0.0307 0.0326
10:01-11:00, Sat., 07 Sep. 0.0351 0.0303 0.0326
09:01-10:00, Sat., 07 Sep. 0.0345 0.0307 0.0326
08:01-09:00, Sat., 07 Sep. 0.0350 0.0307 0.0327
07:01-08:00, Sat., 07 Sep. 0.0348 0.0311 0.0326
06:01-07:00, Sat., 07 Sep. 0.0342 0.0308 0.0325
05:01-06:00, Sat., 07 Sep. 0.0347 0.0308 0.0329
04:01-05:00, Sat., 07 Sep. 0.0342 0.0306 0.0324
03:01-04:00, Sat., 07 Sep. 0.0339 0.0305 0.0323
02:01-03:00, Sat., 07 Sep. 0.0344 0.0297 0.0325
01:01-02:00, Sat., 07 Sep. 0.0340 0.0301 0.0322
00:01-01:00, Sat., 07 Sep. 0.0346 0.0308 0.0323
23:01-24:00, Fri., 06 Sep. 0.0338 0.0299 0.0320
22:01-23:00, Fri., 06 Sep. 0.0336 0.0300 0.0319
21:01-22:00, Fri., 06 Sep. 0.0336 0.0303 0.0321
20:01-21:00, Fri., 06 Sep. 0.0348 0.0298 0.0322
19:01-20:00, Fri., 06 Sep. 0.0334 0.0301 0.0318
18:01-19:00, Fri., 06 Sep. 0.0340 0.0291 0.0321
17:01-18:00, Fri., 06 Sep. 0.0340 0.0303 0.0320
16:01-17:00, Fri., 06 Sep. 0.0341 0.0303 0.0320
15:01-16:00, Fri., 06 Sep. 0.0338 0.0301 0.0318
14:01-15:00, Fri., 06 Sep. 0.0339 0.0302 0.0319
13:01-14:00, Fri., 06 Sep. 0.0335 0.0299 0.0317
12:01-13:00, Fri., 06 Sep. 0.0338 0.0296 0.0320
11:01-12:00, Fri., 06 Sep. 0.0340 0.0293 0.0318
10:01-11:00, Fri., 06 Sep. 0.0342 0.0289 0.0313
09:01-10:00, Fri., 06 Sep. 0.0342 0.0300 0.0317
08:01-09:00, Fri., 06 Sep. 0.0341 0.0298 0.0321
07:01-08:00, Fri., 06 Sep. 0.0348 0.0305 0.0325
06:01-07:00, Fri., 06 Sep. 0.0339 0.0304 0.0322
05:01-06:00, Fri., 06 Sep. 0.0340 0.0306 0.0323
04:01-05:00, Fri., 06 Sep. 0.0348 0.0303 0.0326
03:01-04:00, Fri., 06 Sep. 0.0339 0.0308 0.0325
02:01-03:00, Fri., 06 Sep. 0.0341 0.0304 0.0323
01:01-02:00, Fri., 06 Sep. 0.0338 0.0302 0.0321
00:01-01:00, Fri., 06 Sep. 0.0340 0.0304 0.0321
23:01-24:00, Thu., 05 Sep. 0.0332 0.0292 0.0316
22:01-23:00, Thu., 05 Sep. 0.0338 0.0299 0.0316
21:01-22:00, Thu., 05 Sep. 0.0333 0.0292 0.0314
20:01-21:00, Thu., 05 Sep. 0.0333 0.0290 0.0316
19:01-20:00, Thu., 05 Sep. 0.0339 0.0299 0.0313
18:01-19:00, Thu., 05 Sep. 0.0331 0.0298 0.0316
17:01-18:00, Thu., 05 Sep. 0.0331 0.0291 0.0310
16:01-17:00, Thu., 05 Sep. 0.0331 0.0296 0.0312
15:01-16:00, Thu., 05 Sep. 0.0328 0.0293 0.0312
14:01-15:00, Thu., 05 Sep. 0.0335 0.0296 0.0312
13:01-14:00, Thu., 05 Sep. 0.0335 0.0291 0.0313
12:01-13:00, Thu., 05 Sep. 0.0331 0.0295 0.0311
11:01-12:00, Thu., 05 Sep. 0.0349 0.0300 0.0318
10:01-11:00, Thu., 05 Sep. 0.0376 0.0323 0.0348
09:01-10:00, Thu., 05 Sep. 0.0408 0.0332 0.0370
08:01-09:00, Thu., 05 Sep. 0.0359 0.0325 0.0339
07:01-08:00, Thu., 05 Sep. 0.0343 0.0296 0.0317
06:01-07:00, Thu., 05 Sep. 0.0357 0.0303 0.0334
05:01-06:00, Thu., 05 Sep. 0.0362 0.0321 0.0344
04:01-05:00, Thu., 05 Sep. 0.0351 0.0310 0.0331
03:01-04:00, Thu., 05 Sep. 0.0371 0.0312 0.0350
02:01-03:00, Thu., 05 Sep. 0.0376 0.0330 0.0352
01:01-02:00, Thu., 05 Sep. 0.0383 0.0334 0.0363
00:01-01:00, Thu., 05 Sep. 0.0361 0.0326 0.0345
23:01-24:00, Wed., 04 Sep. 0.0359 0.0311 0.0327
22:01-23:00, Wed., 04 Sep. 0.0346 0.0304 0.0321
21:01-22:00, Wed., 04 Sep. 0.0352 0.0301 0.0324
20:01-21:00, Wed., 04 Sep. 0.0343 0.0305 0.0325
19:01-20:00, Wed., 04 Sep. 0.0348 0.0307 0.0323
18:01-19:00, Wed., 04 Sep. 0.0350 0.0303 0.0324
17:01-18:00, Wed., 04 Sep. 0.0341 0.0303 0.0320
16:01-17:00, Wed., 04 Sep. 0.0355 0.0304 0.0324
15:01-16:00, Wed., 04 Sep. 0.0346 0.0302 0.0324
14:01-15:00, Wed., 04 Sep. 0.0349 0.0309 0.0325
13:01-14:00, Wed., 04 Sep. 0.0347 0.0303 0.0323
12:01-13:00, Wed., 04 Sep. 0.0344 0.0309 0.0326
11:01-12:00, Wed., 04 Sep. 0.0362 0.0310 0.0339
10:01-11:00, Wed., 04 Sep. 0.0364 0.0314 0.0344
09:01-10:00, Wed., 04 Sep. 0.0342 0.0304 0.0325
08:01-09:00, Wed., 04 Sep. 0.0350 0.0310 0.0330
07:01-08:00, Wed., 04 Sep. 0.0362 0.0308 0.0329
06:01-07:00, Wed., 04 Sep. 0.0339 0.0307 0.0326
05:01-06:00, Wed., 04 Sep. 0.0346 0.0313 0.0328
04:01-05:00, Wed., 04 Sep. 0.0357 0.0314 0.0332
03:01-04:00, Wed., 04 Sep. 0.0367 0.0323 0.0339
02:01-03:00, Wed., 04 Sep. 0.0352 0.0312 0.0330
01:01-02:00, Wed., 04 Sep. 0.0355 0.0302 0.0326
00:01-01:00, Wed., 04 Sep. 0.0350 0.0304 0.0327
23:01-24:00, Tue., 03 Sep. 0.0339 0.0308 0.0327
22:01-23:00, Tue., 03 Sep. 0.0349 0.0301 0.0327
21:01-22:00, Tue., 03 Sep. 0.0358 0.0317 0.0334
20:01-21:00, Tue., 03 Sep. 0.0360 0.0319 0.0336
19:01-20:00, Tue., 03 Sep. 0.0357 0.0308 0.0333
18:01-19:00, Tue., 03 Sep. 0.0352 0.0314 0.0335
17:01-18:00, Tue., 03 Sep. 0.0360 0.0309 0.0334
16:01-17:00, Tue., 03 Sep. 0.0354 0.0311 0.0331
15:01-16:00, Tue., 03 Sep. 0.0351 0.0309 0.0332
14:01-15:00, Tue., 03 Sep. 0.0353 0.0315 0.0334
13:01-14:00, Tue., 03 Sep. 0.0349 0.0317 0.0332
12:01-13:00, Tue., 03 Sep. 0.0358 0.0311 0.0333
11:01-12:00, Tue., 03 Sep. 0.0355 0.0312 0.0333
10:01-11:00, Tue., 03 Sep. 0.0349 0.0315 0.0332
09:01-10:00, Tue., 03 Sep. 0.0361 0.0314 0.0332
08:01-09:00, Tue., 03 Sep. 0.0357 0.0316 0.0331
07:01-08:00, Tue., 03 Sep. 0.0358 0.0314 0.0330
06:01-07:00, Tue., 03 Sep. 0.0356 0.0315 0.0332
05:01-06:00, Tue., 03 Sep. 0.0359 0.0313 0.0333
04:01-05:00, Tue., 03 Sep. 0.0356 0.0308 0.0333
03:01-04:00, Tue., 03 Sep. 0.0351 0.0313 0.0335
02:01-03:00, Tue., 03 Sep. 0.0353 0.0308 0.0335
01:01-02:00, Tue., 03 Sep. 0.0351 0.0307 0.0331
00:01-01:00, Tue., 03 Sep. 0.0356 0.0314 0.0336
23:01-24:00, Mon., 02 Sep. 0.0351 0.0313 0.0331
22:01-23:00, Mon., 02 Sep. 0.0347 0.0307 0.0333
21:01-22:00, Mon., 02 Sep. 0.0369 0.0320 0.0339
20:01-21:00, Mon., 02 Sep. 0.0368 0.0319 0.0342
19:01-20:00, Mon., 02 Sep. 0.0357 0.0321 0.0341
18:01-19:00, Mon., 02 Sep. 0.0362 0.0320 0.0342
17:01-18:00, Mon., 02 Sep. 0.0364 0.0323 0.0343
16:01-17:00, Mon., 02 Sep. 0.0366 0.0327 0.0345
15:01-16:00, Mon., 02 Sep. 0.0362 0.0323 0.0343
14:01-15:00, Mon., 02 Sep. 0.0354 0.0310 0.0331
13:01-14:00, Mon., 02 Sep. 0.0352 0.0313 0.0330
12:01-13:00, Mon., 02 Sep. 0.0360 0.0310 0.0333
11:01-12:00, Mon., 02 Sep. 0.0353 0.0309 0.0331
10:01-11:00, Mon., 02 Sep. 0.0355 0.0313 0.0334
09:01-10:00, Mon., 02 Sep. 0.0364 0.0316 0.0340
08:01-09:00, Mon., 02 Sep. 0.0367 0.0309 0.0338
07:01-08:00, Mon., 02 Sep. 0.0364 0.0321 0.0344
06:01-07:00, Mon., 02 Sep. 0.0365 0.0321 0.0341
05:01-06:00, Mon., 02 Sep. 0.0364 0.0324 0.0345
04:01-05:00, Mon., 02 Sep. 0.0359 0.0322 0.0339
03:01-04:00, Mon., 02 Sep. 0.0362 0.0322 0.0342
02:01-03:00, Mon., 02 Sep. 0.0362 0.0316 0.0342
01:01-02:00, Mon., 02 Sep. 0.0361 0.0317 0.0340
00:01-01:00, Mon., 02 Sep. 0.0360 0.0319 0.0341