Measurement results by the hour (Chofu) 15 Dec., 2014 - 21 Dec., 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., 21 Dec. 0.0352 0.0308 0.0329
22:01-23:00, Sun., 21 Dec. 0.0348 0.0311 0.0326
21:01-22:00, Sun., 21 Dec. 0.0350 0.0304 0.0326
20:01-21:00, Sun., 21 Dec. 0.0342 0.0306 0.0324
19:01-20:00, Sun., 21 Dec. 0.0340 0.0296 0.0319
18:01-19:00, Sun., 21 Dec. 0.0341 0.0291 0.0313
17:01-18:00, Sun., 21 Dec. 0.0326 0.0294 0.0311
16:01-17:00, Sun., 21 Dec. 0.0328 0.0293 0.0311
15:01-16:00, Sun., 21 Dec. 0.0330 0.0294 0.0316
14:01-15:00, Sun., 21 Dec. 0.0332 0.0295 0.0312
13:01-14:00, Sun., 21 Dec. 0.0336 0.0296 0.0316
12:01-13:00, Sun., 21 Dec. 0.0331 0.0292 0.0312
11:01-12:00, Sun., 21 Dec. 0.0343 0.0295 0.0316
10:01-11:00, Sun., 21 Dec. 0.0346 0.0298 0.0324
09:01-10:00, Sun., 21 Dec. 0.0355 0.0308 0.0331
08:01-09:00, Sun., 21 Dec. 0.0356 0.0310 0.0334
07:01-08:00, Sun., 21 Dec. 0.0351 0.0315 0.0333
06:01-07:00, Sun., 21 Dec. 0.0356 0.0311 0.0338
05:01-06:00, Sun., 21 Dec. 0.0348 0.0314 0.0333
04:01-05:00, Sun., 21 Dec. 0.0352 0.0308 0.0332
03:01-04:00, Sun., 21 Dec. 0.0370 0.0316 0.0333
02:01-03:00, Sun., 21 Dec. 0.0351 0.0307 0.0327
01:01-02:00, Sun., 21 Dec. 0.0340 0.0306 0.0325
00:01-01:00, Sun., 21 Dec. 0.0354 0.0303 0.0322
23:01-24:00, Sat., 20 Dec. 0.0342 0.0303 0.0324
22:01-23:00, Sat., 20 Dec. 0.0369 0.0306 0.0335
21:01-22:00, Sat., 20 Dec. 0.0419 0.0351 0.0376
20:01-21:00, Sat., 20 Dec. 0.0456 0.0353 0.0394
19:01-20:00, Sat., 20 Dec. 0.0498 0.0417 0.0456
18:01-19:00, Sat., 20 Dec. 0.0509 0.0428 0.0462
17:01-18:00, Sat., 20 Dec. 0.0512 0.0431 0.0470
16:01-17:00, Sat., 20 Dec. 0.0498 0.0383 0.0432
15:01-16:00, Sat., 20 Dec. 0.0429 0.0352 0.0374
14:01-15:00, Sat., 20 Dec. 0.0384 0.0333 0.0361
13:01-14:00, Sat., 20 Dec. 0.0372 0.0331 0.0354
12:01-13:00, Sat., 20 Dec. 0.0372 0.0332 0.0355
11:01-12:00, Sat., 20 Dec. 0.0366 0.0322 0.0343
10:01-11:00, Sat., 20 Dec. 0.0350 0.0314 0.0333
09:01-10:00, Sat., 20 Dec. 0.0361 0.0314 0.0330
08:01-09:00, Sat., 20 Dec. 0.0353 0.0316 0.0331
07:01-08:00, Sat., 20 Dec. 0.0342 0.0312 0.0328
06:01-07:00, Sat., 20 Dec. 0.0352 0.0311 0.0330
05:01-06:00, Sat., 20 Dec. 0.0343 0.0308 0.0329
04:01-05:00, Sat., 20 Dec. 0.0347 0.0312 0.0329
03:01-04:00, Sat., 20 Dec. 0.0342 0.0308 0.0326
02:01-03:00, Sat., 20 Dec. 0.0347 0.0302 0.0324
01:01-02:00, Sat., 20 Dec. 0.0341 0.0307 0.0323
00:01-01:00, Sat., 20 Dec. 0.0342 0.0309 0.0324
23:01-24:00, Fri., 19 Dec. 0.0351 0.0298 0.0324
22:01-23:00, Fri., 19 Dec. 0.0345 0.0309 0.0329
21:01-22:00, Fri., 19 Dec. 0.0355 0.0308 0.0326
20:01-21:00, Fri., 19 Dec. 0.0338 0.0301 0.0318
19:01-20:00, Fri., 19 Dec. 0.0343 0.0289 0.0311
18:01-19:00, Fri., 19 Dec. 0.0345 0.0298 0.0315
17:01-18:00, Fri., 19 Dec. 0.0331 0.0291 0.0312
16:01-17:00, Fri., 19 Dec. 0.0336 0.0297 0.0315
15:01-16:00, Fri., 19 Dec. 0.0330 0.0295 0.0312
14:01-15:00, Fri., 19 Dec. 0.0333 0.0295 0.0313
13:01-14:00, Fri., 19 Dec. 0.0345 0.0294 0.0315
12:01-13:00, Fri., 19 Dec. 0.0342 0.0291 0.0316
11:01-12:00, Fri., 19 Dec. 0.0343 0.0303 0.0322
10:01-11:00, Fri., 19 Dec. 0.0343 0.0296 0.0324
09:01-10:00, Fri., 19 Dec. 0.0349 0.0300 0.0326
08:01-09:00, Fri., 19 Dec. 0.0354 0.0307 0.0336
07:01-08:00, Fri., 19 Dec. 0.0350 0.0308 0.0331
06:01-07:00, Fri., 19 Dec. 0.0354 0.0305 0.0331
05:01-06:00, Fri., 19 Dec. 0.0351 0.0308 0.0329
04:01-05:00, Fri., 19 Dec. 0.0350 0.0311 0.0331
03:01-04:00, Fri., 19 Dec. 0.0353 0.0307 0.0330
02:01-03:00, Fri., 19 Dec. 0.0338 0.0305 0.0324
01:01-02:00, Fri., 19 Dec. 0.0343 0.0306 0.0323
00:01-01:00, Fri., 19 Dec. 0.0348 0.0294 0.0322
23:01-24:00, Thu., 18 Dec. 0.0339 0.0293 0.0319
22:01-23:00, Thu., 18 Dec. 0.0337 0.0299 0.0320
21:01-22:00, Thu., 18 Dec. 0.0342 0.0303 0.0319
20:01-21:00, Thu., 18 Dec. 0.0348 0.0305 0.0321
19:01-20:00, Thu., 18 Dec. 0.0338 0.0298 0.0322
18:01-19:00, Thu., 18 Dec. 0.0342 0.0304 0.0323
17:01-18:00, Thu., 18 Dec. 0.0342 0.0297 0.0322
16:01-17:00, Thu., 18 Dec. 0.0341 0.0304 0.0321
15:01-16:00, Thu., 18 Dec. 0.0336 0.0304 0.0323
14:01-15:00, Thu., 18 Dec. 0.0346 0.0294 0.0324
13:01-14:00, Thu., 18 Dec. 0.0338 0.0297 0.0320
12:01-13:00, Thu., 18 Dec. 0.0341 0.0304 0.0320
11:01-12:00, Thu., 18 Dec. 0.0337 0.0301 0.0321
10:01-11:00, Thu., 18 Dec. 0.0340 0.0301 0.0318
09:01-10:00, Thu., 18 Dec. 0.0347 0.0298 0.0320
08:01-09:00, Thu., 18 Dec. 0.0341 0.0299 0.0324
07:01-08:00, Thu., 18 Dec. 0.0352 0.0301 0.0321
06:01-07:00, Thu., 18 Dec. 0.0335 0.0303 0.0321
05:01-06:00, Thu., 18 Dec. 0.0333 0.0301 0.0318
04:01-05:00, Thu., 18 Dec. 0.0335 0.0297 0.0317
03:01-04:00, Thu., 18 Dec. 0.0339 0.0293 0.0316
02:01-03:00, Thu., 18 Dec. 0.0337 0.0298 0.0317
01:01-02:00, Thu., 18 Dec. 0.0328 0.0285 0.0313
00:01-01:00, Thu., 18 Dec. 0.0332 0.0294 0.0312
23:01-24:00, Wed., 17 Dec. 0.0332 0.0292 0.0314
22:01-23:00, Wed., 17 Dec. 0.0327 0.0303 0.0313
21:01-22:00, Wed., 17 Dec. 0.0331 0.0290 0.0315
20:01-21:00, Wed., 17 Dec. 0.0331 0.0293 0.0312
19:01-20:00, Wed., 17 Dec. 0.0342 0.0291 0.0311
18:01-19:00, Wed., 17 Dec. 0.0328 0.0286 0.0309
17:01-18:00, Wed., 17 Dec. 0.0334 0.0293 0.0311
16:01-17:00, Wed., 17 Dec. 0.0336 0.0297 0.0313
15:01-16:00, Wed., 17 Dec. 0.0330 0.0295 0.0313
14:01-15:00, Wed., 17 Dec. 0.0332 0.0291 0.0313
13:01-14:00, Wed., 17 Dec. 0.0331 0.0291 0.0314
12:01-13:00, Wed., 17 Dec. 0.0333 0.0288 0.0313
11:01-12:00, Wed., 17 Dec. 0.0333 0.0284 0.0311
10:01-11:00, Wed., 17 Dec. 0.0338 0.0296 0.0315
09:01-10:00, Wed., 17 Dec. 0.0335 0.0296 0.0314
08:01-09:00, Wed., 17 Dec. 0.0333 0.0298 0.0314
07:01-08:00, Wed., 17 Dec. 0.0340 0.0294 0.0315
06:01-07:00, Wed., 17 Dec. 0.0343 0.0293 0.0316
05:01-06:00, Wed., 17 Dec. 0.0339 0.0298 0.0314
04:01-05:00, Wed., 17 Dec. 0.0339 0.0289 0.0314
03:01-04:00, Wed., 17 Dec. 0.0334 0.0293 0.0315
02:01-03:00, Wed., 17 Dec. 0.0350 0.0297 0.0317
01:01-02:00, Wed., 17 Dec. 0.0330 0.0292 0.0314
00:01-01:00, Wed., 17 Dec. 0.0356 0.0297 0.0321
23:01-24:00, Tue., 16 Dec. 0.0344 0.0301 0.0318
22:01-23:00, Tue., 16 Dec. 0.0344 0.0297 0.0319
21:01-22:00, Tue., 16 Dec. 0.0349 0.0298 0.0323
20:01-21:00, Tue., 16 Dec. 0.0399 0.0317 0.0347
19:01-20:00, Tue., 16 Dec. 0.0477 0.0361 0.0415
18:01-19:00, Tue., 16 Dec. 0.0490 0.0428 0.0462
17:01-18:00, Tue., 16 Dec. 0.0488 0.0411 0.0442
16:01-17:00, Tue., 16 Dec. 0.0479 0.0398 0.0428
15:01-16:00, Tue., 16 Dec. 0.0469 0.0395 0.0424
14:01-15:00, Tue., 16 Dec. 0.0432 0.0365 0.0393
13:01-14:00, Tue., 16 Dec. 0.0404 0.0354 0.0372
12:01-13:00, Tue., 16 Dec. 0.0405 0.0346 0.0367
11:01-12:00, Tue., 16 Dec. 0.0413 0.0344 0.0371
10:01-11:00, Tue., 16 Dec. 0.0390 0.0328 0.0352
09:01-10:00, Tue., 16 Dec. 0.0350 0.0306 0.0329
08:01-09:00, Tue., 16 Dec. 0.0351 0.0308 0.0327
07:01-08:00, Tue., 16 Dec. 0.0344 0.0303 0.0325
06:01-07:00, Tue., 16 Dec. 0.0345 0.0295 0.0325
05:01-06:00, Tue., 16 Dec. 0.0339 0.0294 0.0322
04:01-05:00, Tue., 16 Dec. 0.0345 0.0292 0.0320
03:01-04:00, Tue., 16 Dec. 0.0338 0.0302 0.0320
02:01-03:00, Tue., 16 Dec. 0.0345 0.0303 0.0323
01:01-02:00, Tue., 16 Dec. 0.0345 0.0305 0.0323
00:01-01:00, Tue., 16 Dec. 0.0356 0.0303 0.0325
23:01-24:00, Mon., 15 Dec. 0.0344 0.0304 0.0323
22:01-23:00, Mon., 15 Dec. 0.0342 0.0309 0.0325
21:01-22:00, Mon., 15 Dec. 0.0335 0.0303 0.0323
20:01-21:00, Mon., 15 Dec. 0.0346 0.0306 0.0322
19:01-20:00, Mon., 15 Dec. 0.0340 0.0304 0.0321
18:01-19:00, Mon., 15 Dec. 0.0339 0.0297 0.0319
17:01-18:00, Mon., 15 Dec. 0.0335 0.0304 0.0319
16:01-17:00, Mon., 15 Dec. 0.0337 0.0308 0.0322
15:01-16:00, Mon., 15 Dec. 0.0338 0.0302 0.0322
14:01-15:00, Mon., 15 Dec. 0.0348 0.0305 0.0322
13:01-14:00, Mon., 15 Dec. 0.0354 0.0307 0.0324
12:01-13:00, Mon., 15 Dec. 0.0348 0.0303 0.0332
11:01-12:00, Mon., 15 Dec. 0.0355 0.0309 0.0335
10:01-11:00, Mon., 15 Dec. 0.0363 0.0316 0.0341
09:01-10:00, Mon., 15 Dec. 0.0366 0.0329 0.0351
08:01-09:00, Mon., 15 Dec. 0.0375 0.0339 0.0357
07:01-08:00, Mon., 15 Dec. 0.0377 0.0334 0.0356
06:01-07:00, Mon., 15 Dec. 0.0374 0.0334 0.0354
05:01-06:00, Mon., 15 Dec. 0.0377 0.0329 0.0351
04:01-05:00, Mon., 15 Dec. 0.0385 0.0334 0.0351
03:01-04:00, Mon., 15 Dec. 0.0374 0.0332 0.0350
02:01-03:00, Mon., 15 Dec. 0.0376 0.0320 0.0339
01:01-02:00, Mon., 15 Dec. 0.0365 0.0318 0.0337
00:01-01:00, Mon., 15 Dec. 0.0348 0.0311 0.0334