Measurement results by the hour (Chofu) 17 Mar., 2014 - 23 Mar., 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., 23 Mar. 0.0354 0.0313 0.0331
22:01-23:00, Sun., 23 Mar. 0.0349 0.0293 0.0325
21:01-22:00, Sun., 23 Mar. 0.0337 0.0304 0.0321
20:01-21:00, Sun., 23 Mar. 0.0344 0.0303 0.0323
19:01-20:00, Sun., 23 Mar. 0.0342 0.0290 0.0318
18:01-19:00, Sun., 23 Mar. 0.0338 0.0305 0.0321
17:01-18:00, Sun., 23 Mar. 0.0334 0.0298 0.0318
16:01-17:00, Sun., 23 Mar. 0.0353 0.0300 0.0319
15:01-16:00, Sun., 23 Mar. 0.0348 0.0296 0.0319
14:01-15:00, Sun., 23 Mar. 0.0336 0.0300 0.0318
13:01-14:00, Sun., 23 Mar. 0.0337 0.0306 0.0318
12:01-13:00, Sun., 23 Mar. 0.0342 0.0298 0.0321
11:01-12:00, Sun., 23 Mar. 0.0335 0.0306 0.0321
10:01-11:00, Sun., 23 Mar. 0.0349 0.0304 0.0323
09:01-10:00, Sun., 23 Mar. 0.0339 0.0305 0.0323
08:01-09:00, Sun., 23 Mar. 0.0347 0.0305 0.0327
07:01-08:00, Sun., 23 Mar. 0.0348 0.0316 0.0331
06:01-07:00, Sun., 23 Mar. 0.0352 0.0308 0.0333
05:01-06:00, Sun., 23 Mar. 0.0346 0.0306 0.0323
04:01-05:00, Sun., 23 Mar. 0.0346 0.0297 0.0321
03:01-04:00, Sun., 23 Mar. 0.0339 0.0303 0.0322
02:01-03:00, Sun., 23 Mar. 0.0342 0.0302 0.0321
01:01-02:00, Sun., 23 Mar. 0.0342 0.0299 0.0321
00:01-01:00, Sun., 23 Mar. 0.0341 0.0302 0.0321
23:01-24:00, Sat., 22 Mar. 0.0342 0.0300 0.0320
22:01-23:00, Sat., 22 Mar. 0.0336 0.0296 0.0318
21:01-22:00, Sat., 22 Mar. 0.0335 0.0297 0.0317
20:01-21:00, Sat., 22 Mar. 0.0344 0.0290 0.0317
19:01-20:00, Sat., 22 Mar. 0.0340 0.0297 0.0316
18:01-19:00, Sat., 22 Mar. 0.0336 0.0297 0.0319
17:01-18:00, Sat., 22 Mar. 0.0337 0.0290 0.0318
16:01-17:00, Sat., 22 Mar. 0.0333 0.0293 0.0316
15:01-16:00, Sat., 22 Mar. 0.0336 0.0297 0.0314
14:01-15:00, Sat., 22 Mar. 0.0336 0.0301 0.0320
13:01-14:00, Sat., 22 Mar. 0.0340 0.0292 0.0321
12:01-13:00, Sat., 22 Mar. 0.0334 0.0303 0.0319
11:01-12:00, Sat., 22 Mar. 0.0341 0.0298 0.0319
10:01-11:00, Sat., 22 Mar. 0.0343 0.0298 0.0321
09:01-10:00, Sat., 22 Mar. 0.0354 0.0303 0.0323
08:01-09:00, Sat., 22 Mar. 0.0341 0.0297 0.0321
07:01-08:00, Sat., 22 Mar. 0.0353 0.0308 0.0323
06:01-07:00, Sat., 22 Mar. 0.0342 0.0304 0.0319
05:01-06:00, Sat., 22 Mar. 0.0348 0.0303 0.0324
04:01-05:00, Sat., 22 Mar. 0.0340 0.0299 0.0319
03:01-04:00, Sat., 22 Mar. 0.0344 0.0298 0.0320
02:01-03:00, Sat., 22 Mar. 0.0340 0.0300 0.0321
01:01-02:00, Sat., 22 Mar. 0.0339 0.0296 0.0320
00:01-01:00, Sat., 22 Mar. 0.0344 0.0305 0.0321
23:01-24:00, Fri., 21 Mar. 0.0337 0.0293 0.0316
22:01-23:00, Fri., 21 Mar. 0.0343 0.0304 0.0321
21:01-22:00, Fri., 21 Mar. 0.0339 0.0301 0.0321
20:01-21:00, Fri., 21 Mar. 0.0339 0.0300 0.0321
19:01-20:00, Fri., 21 Mar. 0.0347 0.0301 0.0318
18:01-19:00, Fri., 21 Mar. 0.0336 0.0297 0.0317
17:01-18:00, Fri., 21 Mar. 0.0337 0.0302 0.0318
16:01-17:00, Fri., 21 Mar. 0.0340 0.0299 0.0319
15:01-16:00, Fri., 21 Mar. 0.0341 0.0305 0.0320
14:01-15:00, Fri., 21 Mar. 0.0344 0.0304 0.0321
13:01-14:00, Fri., 21 Mar. 0.0348 0.0297 0.0326
12:01-13:00, Fri., 21 Mar. 0.0349 0.0300 0.0328
11:01-12:00, Fri., 21 Mar. 0.0341 0.0308 0.0322
10:01-11:00, Fri., 21 Mar. 0.0339 0.0298 0.0322
09:01-10:00, Fri., 21 Mar. 0.0342 0.0300 0.0324
08:01-09:00, Fri., 21 Mar. 0.0345 0.0307 0.0324
07:01-08:00, Fri., 21 Mar. 0.0342 0.0304 0.0321
06:01-07:00, Fri., 21 Mar. 0.0337 0.0304 0.0323
05:01-06:00, Fri., 21 Mar. 0.0341 0.0298 0.0322
04:01-05:00, Fri., 21 Mar. 0.0352 0.0309 0.0332
03:01-04:00, Fri., 21 Mar. 0.0374 0.0322 0.0349
02:01-03:00, Fri., 21 Mar. 0.0385 0.0319 0.0344
01:01-02:00, Fri., 21 Mar. 0.0376 0.0299 0.0325
00:01-01:00, Fri., 21 Mar. 0.0335 0.0297 0.0318
23:01-24:00, Thu., 20 Mar. 0.0339 0.0299 0.0320
22:01-23:00, Thu., 20 Mar. 0.0332 0.0298 0.0314
21:01-22:00, Thu., 20 Mar. 0.0346 0.0291 0.0317
20:01-21:00, Thu., 20 Mar. 0.0345 0.0298 0.0322
19:01-20:00, Thu., 20 Mar. 0.0346 0.0301 0.0327
18:01-19:00, Thu., 20 Mar. 0.0357 0.0320 0.0333
17:01-18:00, Thu., 20 Mar. 0.0398 0.0325 0.0359
16:01-17:00, Thu., 20 Mar. 0.0473 0.0366 0.0413
15:01-16:00, Thu., 20 Mar. 0.0525 0.0452 0.0486
14:01-15:00, Thu., 20 Mar. 0.0525 0.0440 0.0479
13:01-14:00, Thu., 20 Mar. 0.0501 0.0424 0.0464
12:01-13:00, Thu., 20 Mar. 0.0485 0.0413 0.0439
11:01-12:00, Thu., 20 Mar. 0.0512 0.0408 0.0463
10:01-11:00, Thu., 20 Mar. 0.0558 0.0490 0.0525
09:01-10:00, Thu., 20 Mar. 0.0526 0.0467 0.0497
08:01-09:00, Thu., 20 Mar. 0.0510 0.0432 0.0474
07:01-08:00, Thu., 20 Mar. 0.0465 0.0367 0.0401
06:01-07:00, Thu., 20 Mar. 0.0397 0.0311 0.0354
05:01-06:00, Thu., 20 Mar. 0.0356 0.0306 0.0327
04:01-05:00, Thu., 20 Mar. 0.0346 0.0313 0.0328
03:01-04:00, Thu., 20 Mar. 0.0360 0.0309 0.0332
02:01-03:00, Thu., 20 Mar. 0.0357 0.0303 0.0323
01:01-02:00, Thu., 20 Mar. 0.0334 0.0300 0.0320
00:01-01:00, Thu., 20 Mar. 0.0342 0.0298 0.0320
23:01-24:00, Wed., 19 Mar. 0.0337 0.0301 0.0321
22:01-23:00, Wed., 19 Mar. 0.0338 0.0302 0.0321
21:01-22:00, Wed., 19 Mar. 0.0348 0.0299 0.0319
20:01-21:00, Wed., 19 Mar. 0.0344 0.0303 0.0319
19:01-20:00, Wed., 19 Mar. 0.0340 0.0300 0.0322
18:01-19:00, Wed., 19 Mar. 0.0335 0.0300 0.0319
17:01-18:00, Wed., 19 Mar. 0.0347 0.0300 0.0321
16:01-17:00, Wed., 19 Mar. 0.0342 0.0299 0.0321
15:01-16:00, Wed., 19 Mar. 0.0341 0.0301 0.0321
14:01-15:00, Wed., 19 Mar. 0.0340 0.0304 0.0321
13:01-14:00, Wed., 19 Mar. 0.0345 0.0303 0.0323
12:01-13:00, Wed., 19 Mar. 0.0354 0.0300 0.0325
11:01-12:00, Wed., 19 Mar. 0.0342 0.0302 0.0326
10:01-11:00, Wed., 19 Mar. 0.0340 0.0306 0.0323
09:01-10:00, Wed., 19 Mar. 0.0348 0.0306 0.0323
08:01-09:00, Wed., 19 Mar. 0.0348 0.0309 0.0327
07:01-08:00, Wed., 19 Mar. 0.0349 0.0306 0.0327
06:01-07:00, Wed., 19 Mar. 0.0344 0.0307 0.0326
05:01-06:00, Wed., 19 Mar. 0.0348 0.0310 0.0327
04:01-05:00, Wed., 19 Mar. 0.0345 0.0314 0.0328
03:01-04:00, Wed., 19 Mar. 0.0351 0.0303 0.0328
02:01-03:00, Wed., 19 Mar. 0.0349 0.0310 0.0330
01:01-02:00, Wed., 19 Mar. 0.0354 0.0308 0.0331
00:01-01:00, Wed., 19 Mar. 0.0354 0.0312 0.0329
23:01-24:00, Tue., 18 Mar. 0.0351 0.0306 0.0329
22:01-23:00, Tue., 18 Mar. 0.0346 0.0309 0.0328
21:01-22:00, Tue., 18 Mar. 0.0344 0.0309 0.0325
20:01-21:00, Tue., 18 Mar. 0.0342 0.0304 0.0322
19:01-20:00, Tue., 18 Mar. 0.0338 0.0305 0.0320
18:01-19:00, Tue., 18 Mar. 0.0335 0.0304 0.0318
17:01-18:00, Tue., 18 Mar. 0.0340 0.0299 0.0320
16:01-17:00, Tue., 18 Mar. 0.0334 0.0294 0.0316
15:01-16:00, Tue., 18 Mar. 0.0330 0.0298 0.0315
14:01-15:00, Tue., 18 Mar. 0.0337 0.0292 0.0319
13:01-14:00, Tue., 18 Mar. 0.0337 0.0300 0.0319
12:01-13:00, Tue., 18 Mar. 0.0334 0.0294 0.0318
11:01-12:00, Tue., 18 Mar. 0.0343 0.0297 0.0319
10:01-11:00, Tue., 18 Mar. 0.0340 0.0301 0.0320
09:01-10:00, Tue., 18 Mar. 0.0345 0.0309 0.0324
08:01-09:00, Tue., 18 Mar. 0.0363 0.0316 0.0338
07:01-08:00, Tue., 18 Mar. 0.0368 0.0326 0.0346
06:01-07:00, Tue., 18 Mar. 0.0370 0.0320 0.0342
05:01-06:00, Tue., 18 Mar. 0.0367 0.0317 0.0345
04:01-05:00, Tue., 18 Mar. 0.0363 0.0315 0.0341
03:01-04:00, Tue., 18 Mar. 0.0360 0.0313 0.0336
02:01-03:00, Tue., 18 Mar. 0.0358 0.0314 0.0336
01:01-02:00, Tue., 18 Mar. 0.0354 0.0320 0.0334
00:01-01:00, Tue., 18 Mar. 0.0356 0.0311 0.0326
23:01-24:00, Mon., 17 Mar. 0.0342 0.0299 0.0320
22:01-23:00, Mon., 17 Mar. 0.0337 0.0297 0.0323
21:01-22:00, Mon., 17 Mar. 0.0341 0.0301 0.0320
20:01-21:00, Mon., 17 Mar. 0.0340 0.0303 0.0322
19:01-20:00, Mon., 17 Mar. 0.0339 0.0301 0.0323
18:01-19:00, Mon., 17 Mar. 0.0334 0.0300 0.0319
17:01-18:00, Mon., 17 Mar. 0.0350 0.0303 0.0323
16:01-17:00, Mon., 17 Mar. 0.0343 0.0308 0.0322
15:01-16:00, Mon., 17 Mar. 0.0340 0.0303 0.0321
14:01-15:00, Mon., 17 Mar. 0.0342 0.0304 0.0322
13:01-14:00, Mon., 17 Mar. 0.0339 0.0304 0.0322
12:01-13:00, Mon., 17 Mar. 0.0343 0.0303 0.0323
11:01-12:00, Mon., 17 Mar. 0.0338 0.0306 0.0324
10:01-11:00, Mon., 17 Mar. 0.0351 0.0305 0.0325
09:01-10:00, Mon., 17 Mar. 0.0351 0.0296 0.0328
08:01-09:00, Mon., 17 Mar. 0.0367 0.0323 0.0340
07:01-08:00, Mon., 17 Mar. 0.0371 0.0322 0.0344
06:01-07:00, Mon., 17 Mar. 0.0364 0.0328 0.0345
05:01-06:00, Mon., 17 Mar. 0.0357 0.0317 0.0341
04:01-05:00, Mon., 17 Mar. 0.0362 0.0315 0.0337
03:01-04:00, Mon., 17 Mar. 0.0354 0.0314 0.0333
02:01-03:00, Mon., 17 Mar. 0.0352 0.0305 0.0331
01:01-02:00, Mon., 17 Mar. 0.0342 0.0302 0.0324
00:01-01:00, Mon., 17 Mar. 0.0356 0.0310 0.0327