Measurement results by the hour (Chofu) 19 Jan., 2015 - 25 Jan., 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., 25 Jan. 0.0341 0.0302 0.0326
22:01-23:00, Sun., 25 Jan. 0.0339 0.0312 0.0326
21:01-22:00, Sun., 25 Jan. 0.0341 0.0298 0.0321
20:01-21:00, Sun., 25 Jan. 0.0341 0.0294 0.0317
19:01-20:00, Sun., 25 Jan. 0.0332 0.0290 0.0317
18:01-19:00, Sun., 25 Jan. 0.0336 0.0293 0.0315
17:01-18:00, Sun., 25 Jan. 0.0324 0.0292 0.0311
16:01-17:00, Sun., 25 Jan. 0.0343 0.0300 0.0314
15:01-16:00, Sun., 25 Jan. 0.0335 0.0294 0.0315
14:01-15:00, Sun., 25 Jan. 0.0334 0.0296 0.0314
13:01-14:00, Sun., 25 Jan. 0.0338 0.0294 0.0314
12:01-13:00, Sun., 25 Jan. 0.0335 0.0299 0.0317
11:01-12:00, Sun., 25 Jan. 0.0343 0.0297 0.0316
10:01-11:00, Sun., 25 Jan. 0.0348 0.0301 0.0324
09:01-10:00, Sun., 25 Jan. 0.0349 0.0300 0.0327
08:01-09:00, Sun., 25 Jan. 0.0358 0.0311 0.0335
07:01-08:00, Sun., 25 Jan. 0.0365 0.0317 0.0344
06:01-07:00, Sun., 25 Jan. 0.0352 0.0318 0.0334
05:01-06:00, Sun., 25 Jan. 0.0353 0.0310 0.0330
04:01-05:00, Sun., 25 Jan. 0.0346 0.0299 0.0325
03:01-04:00, Sun., 25 Jan. 0.0341 0.0304 0.0321
02:01-03:00, Sun., 25 Jan. 0.0343 0.0306 0.0326
01:01-02:00, Sun., 25 Jan. 0.0349 0.0306 0.0326
00:01-01:00, Sun., 25 Jan. 0.0345 0.0299 0.0326
23:01-24:00, Sat., 24 Jan. 0.0345 0.0305 0.0323
22:01-23:00, Sat., 24 Jan. 0.0339 0.0302 0.0319
21:01-22:00, Sat., 24 Jan. 0.0336 0.0298 0.0317
20:01-21:00, Sat., 24 Jan. 0.0334 0.0295 0.0315
19:01-20:00, Sat., 24 Jan. 0.0332 0.0294 0.0313
18:01-19:00, Sat., 24 Jan. 0.0333 0.0295 0.0314
17:01-18:00, Sat., 24 Jan. 0.0328 0.0288 0.0313
16:01-17:00, Sat., 24 Jan. 0.0336 0.0292 0.0312
15:01-16:00, Sat., 24 Jan. 0.0332 0.0290 0.0315
14:01-15:00, Sat., 24 Jan. 0.0335 0.0288 0.0314
13:01-14:00, Sat., 24 Jan. 0.0329 0.0291 0.0311
12:01-13:00, Sat., 24 Jan. 0.0335 0.0297 0.0313
11:01-12:00, Sat., 24 Jan. 0.0331 0.0291 0.0312
10:01-11:00, Sat., 24 Jan. 0.0335 0.0294 0.0314
09:01-10:00, Sat., 24 Jan. 0.0343 0.0292 0.0315
08:01-09:00, Sat., 24 Jan. 0.0333 0.0294 0.0310
07:01-08:00, Sat., 24 Jan. 0.0337 0.0288 0.0314
06:01-07:00, Sat., 24 Jan. 0.0332 0.0280 0.0312
05:01-06:00, Sat., 24 Jan. 0.0334 0.0296 0.0313
04:01-05:00, Sat., 24 Jan. 0.0330 0.0290 0.0312
03:01-04:00, Sat., 24 Jan. 0.0331 0.0286 0.0313
02:01-03:00, Sat., 24 Jan. 0.0342 0.0297 0.0313
01:01-02:00, Sat., 24 Jan. 0.0328 0.0292 0.0311
00:01-01:00, Sat., 24 Jan. 0.0331 0.0296 0.0312
23:01-24:00, Fri., 23 Jan. 0.0339 0.0292 0.0313
22:01-23:00, Fri., 23 Jan. 0.0334 0.0288 0.0311
21:01-22:00, Fri., 23 Jan. 0.0334 0.0283 0.0310
20:01-21:00, Fri., 23 Jan. 0.0334 0.0292 0.0312
19:01-20:00, Fri., 23 Jan. 0.0331 0.0287 0.0309
18:01-19:00, Fri., 23 Jan. 0.0332 0.0290 0.0309
17:01-18:00, Fri., 23 Jan. 0.0328 0.0291 0.0310
16:01-17:00, Fri., 23 Jan. 0.0334 0.0294 0.0310
15:01-16:00, Fri., 23 Jan. 0.0327 0.0287 0.0310
14:01-15:00, Fri., 23 Jan. 0.0331 0.0295 0.0311
13:01-14:00, Fri., 23 Jan. 0.0333 0.0292 0.0312
12:01-13:00, Fri., 23 Jan. 0.0335 0.0297 0.0315
11:01-12:00, Fri., 23 Jan. 0.0336 0.0300 0.0316
10:01-11:00, Fri., 23 Jan. 0.0333 0.0297 0.0315
09:01-10:00, Fri., 23 Jan. 0.0343 0.0296 0.0311
08:01-09:00, Fri., 23 Jan. 0.0350 0.0293 0.0318
07:01-08:00, Fri., 23 Jan. 0.0339 0.0300 0.0321
06:01-07:00, Fri., 23 Jan. 0.0349 0.0302 0.0327
05:01-06:00, Fri., 23 Jan. 0.0363 0.0303 0.0341
04:01-05:00, Fri., 23 Jan. 0.0456 0.0347 0.0393
03:01-04:00, Fri., 23 Jan. 0.0584 0.0412 0.0504
02:01-03:00, Fri., 23 Jan. 0.0535 0.0395 0.0458
01:01-02:00, Fri., 23 Jan. 0.0520 0.0430 0.0477
00:01-01:00, Fri., 23 Jan. 0.0496 0.0373 0.0444
23:01-24:00, Thu., 22 Jan. 0.0419 0.0308 0.0373
22:01-23:00, Thu., 22 Jan. 0.0332 0.0296 0.0319
21:01-22:00, Thu., 22 Jan. 0.0353 0.0301 0.0324
20:01-21:00, Thu., 22 Jan. 0.0365 0.0312 0.0345
19:01-20:00, Thu., 22 Jan. 0.0360 0.0311 0.0337
18:01-19:00, Thu., 22 Jan. 0.0367 0.0313 0.0347
17:01-18:00, Thu., 22 Jan. 0.0401 0.0350 0.0371
16:01-17:00, Thu., 22 Jan. 0.0408 0.0349 0.0379
15:01-16:00, Thu., 22 Jan. 0.0446 0.0353 0.0392
14:01-15:00, Thu., 22 Jan. 0.0457 0.0389 0.0428
13:01-14:00, Thu., 22 Jan. 0.0466 0.0397 0.0427
12:01-13:00, Thu., 22 Jan. 0.0470 0.0394 0.0424
11:01-12:00, Thu., 22 Jan. 0.0441 0.0374 0.0409
10:01-11:00, Thu., 22 Jan. 0.0450 0.0367 0.0412
09:01-10:00, Thu., 22 Jan. 0.0417 0.0324 0.0366
08:01-09:00, Thu., 22 Jan. 0.0354 0.0299 0.0327
07:01-08:00, Thu., 22 Jan. 0.0348 0.0306 0.0321
06:01-07:00, Thu., 22 Jan. 0.0344 0.0298 0.0318
05:01-06:00, Thu., 22 Jan. 0.0339 0.0297 0.0317
04:01-05:00, Thu., 22 Jan. 0.0339 0.0292 0.0315
03:01-04:00, Thu., 22 Jan. 0.0332 0.0291 0.0315
02:01-03:00, Thu., 22 Jan. 0.0329 0.0292 0.0314
01:01-02:00, Thu., 22 Jan. 0.0332 0.0297 0.0313
00:01-01:00, Thu., 22 Jan. 0.0334 0.0288 0.0315
23:01-24:00, Wed., 21 Jan. 0.0337 0.0291 0.0317
22:01-23:00, Wed., 21 Jan. 0.0334 0.0287 0.0311
21:01-22:00, Wed., 21 Jan. 0.0328 0.0288 0.0311
20:01-21:00, Wed., 21 Jan. 0.0338 0.0296 0.0320
19:01-20:00, Wed., 21 Jan. 0.0387 0.0313 0.0346
18:01-19:00, Wed., 21 Jan. 0.0423 0.0346 0.0378
17:01-18:00, Wed., 21 Jan. 0.0442 0.0380 0.0406
16:01-17:00, Wed., 21 Jan. 0.0463 0.0378 0.0422
15:01-16:00, Wed., 21 Jan. 0.0454 0.0394 0.0424
14:01-15:00, Wed., 21 Jan. 0.0443 0.0372 0.0408
13:01-14:00, Wed., 21 Jan. 0.0421 0.0358 0.0395
12:01-13:00, Wed., 21 Jan. 0.0403 0.0329 0.0360
11:01-12:00, Wed., 21 Jan. 0.0379 0.0332 0.0355
10:01-11:00, Wed., 21 Jan. 0.0369 0.0323 0.0344
09:01-10:00, Wed., 21 Jan. 0.0369 0.0325 0.0347
08:01-09:00, Wed., 21 Jan. 0.0354 0.0312 0.0331
07:01-08:00, Wed., 21 Jan. 0.0347 0.0295 0.0324
06:01-07:00, Wed., 21 Jan. 0.0343 0.0303 0.0323
05:01-06:00, Wed., 21 Jan. 0.0337 0.0301 0.0320
04:01-05:00, Wed., 21 Jan. 0.0339 0.0298 0.0320
03:01-04:00, Wed., 21 Jan. 0.0337 0.0299 0.0318
02:01-03:00, Wed., 21 Jan. 0.0333 0.0289 0.0318
01:01-02:00, Wed., 21 Jan. 0.0340 0.0294 0.0317
00:01-01:00, Wed., 21 Jan. 0.0344 0.0301 0.0317
23:01-24:00, Tue., 20 Jan. 0.0338 0.0296 0.0317
22:01-23:00, Tue., 20 Jan. 0.0341 0.0296 0.0321
21:01-22:00, Tue., 20 Jan. 0.0341 0.0294 0.0320
20:01-21:00, Tue., 20 Jan. 0.0337 0.0300 0.0318
19:01-20:00, Tue., 20 Jan. 0.0344 0.0302 0.0323
18:01-19:00, Tue., 20 Jan. 0.0336 0.0297 0.0319
17:01-18:00, Tue., 20 Jan. 0.0337 0.0294 0.0320
16:01-17:00, Tue., 20 Jan. 0.0340 0.0299 0.0321
15:01-16:00, Tue., 20 Jan. 0.0348 0.0303 0.0323
14:01-15:00, Tue., 20 Jan. 0.0350 0.0310 0.0327
13:01-14:00, Tue., 20 Jan. 0.0349 0.0305 0.0324
12:01-13:00, Tue., 20 Jan. 0.0344 0.0310 0.0326
11:01-12:00, Tue., 20 Jan. 0.0339 0.0299 0.0323
10:01-11:00, Tue., 20 Jan. 0.0344 0.0302 0.0325
09:01-10:00, Tue., 20 Jan. 0.0344 0.0299 0.0324
08:01-09:00, Tue., 20 Jan. 0.0358 0.0315 0.0334
07:01-08:00, Tue., 20 Jan. 0.0365 0.0318 0.0344
06:01-07:00, Tue., 20 Jan. 0.0353 0.0318 0.0340
05:01-06:00, Tue., 20 Jan. 0.0355 0.0304 0.0331
04:01-05:00, Tue., 20 Jan. 0.0345 0.0302 0.0324
03:01-04:00, Tue., 20 Jan. 0.0349 0.0305 0.0322
02:01-03:00, Tue., 20 Jan. 0.0345 0.0309 0.0324
01:01-02:00, Tue., 20 Jan. 0.0342 0.0307 0.0322
00:01-01:00, Tue., 20 Jan. 0.0342 0.0304 0.0323
23:01-24:00, Mon., 19 Jan. 0.0342 0.0306 0.0323
22:01-23:00, Mon., 19 Jan. 0.0337 0.0301 0.0320
21:01-22:00, Mon., 19 Jan. 0.0346 0.0305 0.0321
20:01-21:00, Mon., 19 Jan. 0.0336 0.0302 0.0321
19:01-20:00, Mon., 19 Jan. 0.0332 0.0298 0.0318
18:01-19:00, Mon., 19 Jan. 0.0335 0.0298 0.0319
17:01-18:00, Mon., 19 Jan. 0.0336 0.0299 0.0317
16:01-17:00, Mon., 19 Jan. 0.0347 0.0300 0.0322
15:01-16:00, Mon., 19 Jan. 0.0336 0.0302 0.0318
14:01-15:00, Mon., 19 Jan. 0.0339 0.0286 0.0320
13:01-14:00, Mon., 19 Jan. 0.0341 0.0301 0.0317
12:01-13:00, Mon., 19 Jan. 0.0344 0.0303 0.0322
11:01-12:00, Mon., 19 Jan. 0.0352 0.0314 0.0330
10:01-11:00, Mon., 19 Jan. 0.0354 0.0312 0.0332
09:01-10:00, Mon., 19 Jan. 0.0357 0.0306 0.0337
08:01-09:00, Mon., 19 Jan. 0.0379 0.0328 0.0348
07:01-08:00, Mon., 19 Jan. 0.0370 0.0328 0.0346
06:01-07:00, Mon., 19 Jan. 0.0348 0.0309 0.0331
05:01-06:00, Mon., 19 Jan. 0.0342 0.0299 0.0323
04:01-05:00, Mon., 19 Jan. 0.0338 0.0299 0.0321
03:01-04:00, Mon., 19 Jan. 0.0333 0.0298 0.0315
02:01-03:00, Mon., 19 Jan. 0.0343 0.0301 0.0318
01:01-02:00, Mon., 19 Jan. 0.0332 0.0299 0.0316
00:01-01:00, Mon., 19 Jan. 0.0341 0.0294 0.0316