Measurement results by the hour (Chofu) 13 Apr., 2015 - 19 Apr., 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., 19 Apr. 0.0329 0.0288 0.0310
22:01-23:00, Sun., 19 Apr. 0.0327 0.0292 0.0308
21:01-22:00, Sun., 19 Apr. 0.0329 0.0284 0.0309
20:01-21:00, Sun., 19 Apr. 0.0328 0.0294 0.0310
19:01-20:00, Sun., 19 Apr. 0.0330 0.0290 0.0310
18:01-19:00, Sun., 19 Apr. 0.0331 0.0290 0.0313
17:01-18:00, Sun., 19 Apr. 0.0336 0.0281 0.0310
16:01-17:00, Sun., 19 Apr. 0.0337 0.0295 0.0315
15:01-16:00, Sun., 19 Apr. 0.0344 0.0293 0.0315
14:01-15:00, Sun., 19 Apr. 0.0350 0.0306 0.0322
13:01-14:00, Sun., 19 Apr. 0.0336 0.0302 0.0318
12:01-13:00, Sun., 19 Apr. 0.0334 0.0295 0.0315
11:01-12:00, Sun., 19 Apr. 0.0335 0.0293 0.0315
10:01-11:00, Sun., 19 Apr. 0.0336 0.0293 0.0316
09:01-10:00, Sun., 19 Apr. 0.0338 0.0303 0.0319
08:01-09:00, Sun., 19 Apr. 0.0339 0.0298 0.0318
07:01-08:00, Sun., 19 Apr. 0.0340 0.0297 0.0319
06:01-07:00, Sun., 19 Apr. 0.0346 0.0303 0.0321
05:01-06:00, Sun., 19 Apr. 0.0346 0.0299 0.0320
04:01-05:00, Sun., 19 Apr. 0.0342 0.0291 0.0320
03:01-04:00, Sun., 19 Apr. 0.0338 0.0292 0.0315
02:01-03:00, Sun., 19 Apr. 0.0340 0.0290 0.0315
01:01-02:00, Sun., 19 Apr. 0.0331 0.0296 0.0315
00:01-01:00, Sun., 19 Apr. 0.0336 0.0295 0.0311
23:01-24:00, Sat., 18 Apr. 0.0333 0.0294 0.0313
22:01-23:00, Sat., 18 Apr. 0.0325 0.0292 0.0308
21:01-22:00, Sat., 18 Apr. 0.0330 0.0284 0.0307
20:01-21:00, Sat., 18 Apr. 0.0321 0.0287 0.0307
19:01-20:00, Sat., 18 Apr. 0.0330 0.0283 0.0307
18:01-19:00, Sat., 18 Apr. 0.0326 0.0286 0.0305
17:01-18:00, Sat., 18 Apr. 0.0331 0.0284 0.0305
16:01-17:00, Sat., 18 Apr. 0.0330 0.0287 0.0307
15:01-16:00, Sat., 18 Apr. 0.0330 0.0287 0.0308
14:01-15:00, Sat., 18 Apr. 0.0326 0.0288 0.0308
13:01-14:00, Sat., 18 Apr. 0.0324 0.0284 0.0308
12:01-13:00, Sat., 18 Apr. 0.0329 0.0289 0.0307
11:01-12:00, Sat., 18 Apr. 0.0322 0.0285 0.0307
10:01-11:00, Sat., 18 Apr. 0.0322 0.0290 0.0306
09:01-10:00, Sat., 18 Apr. 0.0329 0.0289 0.0307
08:01-09:00, Sat., 18 Apr. 0.0332 0.0283 0.0309
07:01-08:00, Sat., 18 Apr. 0.0327 0.0288 0.0309
06:01-07:00, Sat., 18 Apr. 0.0333 0.0288 0.0311
05:01-06:00, Sat., 18 Apr. 0.0337 0.0291 0.0311
04:01-05:00, Sat., 18 Apr. 0.0331 0.0291 0.0309
03:01-04:00, Sat., 18 Apr. 0.0321 0.0289 0.0306
02:01-03:00, Sat., 18 Apr. 0.0319 0.0278 0.0306
01:01-02:00, Sat., 18 Apr. 0.0327 0.0282 0.0306
00:01-01:00, Sat., 18 Apr. 0.0320 0.0288 0.0304
23:01-24:00, Fri., 17 Apr. 0.0327 0.0284 0.0304
22:01-23:00, Fri., 17 Apr. 0.0323 0.0278 0.0306
21:01-22:00, Fri., 17 Apr. 0.0331 0.0279 0.0305
20:01-21:00, Fri., 17 Apr. 0.0332 0.0288 0.0308
19:01-20:00, Fri., 17 Apr. 0.0331 0.0281 0.0308
18:01-19:00, Fri., 17 Apr. 0.0333 0.0290 0.0311
17:01-18:00, Fri., 17 Apr. 0.0345 0.0305 0.0321
16:01-17:00, Fri., 17 Apr. 0.0332 0.0292 0.0309
15:01-16:00, Fri., 17 Apr. 0.0334 0.0288 0.0311
14:01-15:00, Fri., 17 Apr. 0.0329 0.0293 0.0311
13:01-14:00, Fri., 17 Apr. 0.0326 0.0270 0.0304
12:01-13:00, Fri., 17 Apr. 0.0324 0.0282 0.0301
11:01-12:00, Fri., 17 Apr. 0.0322 0.0286 0.0301
10:01-11:00, Fri., 17 Apr. 0.0332 0.0291 0.0307
09:01-10:00, Fri., 17 Apr. 0.0341 0.0294 0.0312
08:01-09:00, Fri., 17 Apr. 0.0336 0.0293 0.0314
07:01-08:00, Fri., 17 Apr. 0.0343 0.0298 0.0321
06:01-07:00, Fri., 17 Apr. 0.0344 0.0307 0.0325
05:01-06:00, Fri., 17 Apr. 0.0352 0.0307 0.0326
04:01-05:00, Fri., 17 Apr. 0.0339 0.0297 0.0320
03:01-04:00, Fri., 17 Apr. 0.0348 0.0300 0.0315
02:01-03:00, Fri., 17 Apr. 0.0331 0.0288 0.0312
01:01-02:00, Fri., 17 Apr. 0.0329 0.0284 0.0310
00:01-01:00, Fri., 17 Apr. 0.0323 0.0286 0.0307
23:01-24:00, Thu., 16 Apr. 0.0331 0.0289 0.0310
22:01-23:00, Thu., 16 Apr. 0.0326 0.0289 0.0307
21:01-22:00, Thu., 16 Apr. 0.0328 0.0296 0.0307
20:01-21:00, Thu., 16 Apr. 0.0328 0.0291 0.0309
19:01-20:00, Thu., 16 Apr. 0.0332 0.0281 0.0305
18:01-19:00, Thu., 16 Apr. 0.0321 0.0291 0.0310
17:01-18:00, Thu., 16 Apr. 0.0325 0.0285 0.0305
16:01-17:00, Thu., 16 Apr. 0.0324 0.0284 0.0303
15:01-16:00, Thu., 16 Apr. 0.0321 0.0282 0.0302
14:01-15:00, Thu., 16 Apr. 0.0320 0.0283 0.0304
13:01-14:00, Thu., 16 Apr. 0.0330 0.0289 0.0306
12:01-13:00, Thu., 16 Apr. 0.0330 0.0276 0.0305
11:01-12:00, Thu., 16 Apr. 0.0323 0.0290 0.0307
10:01-11:00, Thu., 16 Apr. 0.0333 0.0286 0.0307
09:01-10:00, Thu., 16 Apr. 0.0339 0.0286 0.0310
08:01-09:00, Thu., 16 Apr. 0.0330 0.0293 0.0313
07:01-08:00, Thu., 16 Apr. 0.0348 0.0306 0.0321
06:01-07:00, Thu., 16 Apr. 0.0339 0.0292 0.0321
05:01-06:00, Thu., 16 Apr. 0.0336 0.0293 0.0315
04:01-05:00, Thu., 16 Apr. 0.0331 0.0302 0.0316
03:01-04:00, Thu., 16 Apr. 0.0329 0.0285 0.0308
02:01-03:00, Thu., 16 Apr. 0.0337 0.0290 0.0308
01:01-02:00, Thu., 16 Apr. 0.0323 0.0284 0.0305
00:01-01:00, Thu., 16 Apr. 0.0319 0.0287 0.0304
23:01-24:00, Wed., 15 Apr. 0.0327 0.0285 0.0304
22:01-23:00, Wed., 15 Apr. 0.0324 0.0285 0.0304
21:01-22:00, Wed., 15 Apr. 0.0318 0.0276 0.0301
20:01-21:00, Wed., 15 Apr. 0.0326 0.0284 0.0303
19:01-20:00, Wed., 15 Apr. 0.0320 0.0290 0.0305
18:01-19:00, Wed., 15 Apr. 0.0323 0.0287 0.0303
17:01-18:00, Wed., 15 Apr. 0.0324 0.0284 0.0305
16:01-17:00, Wed., 15 Apr. 0.0340 0.0293 0.0315
15:01-16:00, Wed., 15 Apr. 0.0320 0.0287 0.0306
14:01-15:00, Wed., 15 Apr. 0.0323 0.0286 0.0304
13:01-14:00, Wed., 15 Apr. 0.0316 0.0284 0.0302
12:01-13:00, Wed., 15 Apr. 0.0319 0.0286 0.0305
11:01-12:00, Wed., 15 Apr. 0.0327 0.0284 0.0304
10:01-11:00, Wed., 15 Apr. 0.0328 0.0283 0.0301
09:01-10:00, Wed., 15 Apr. 0.0330 0.0270 0.0297
08:01-09:00, Wed., 15 Apr. 0.0322 0.0280 0.0299
07:01-08:00, Wed., 15 Apr. 0.0319 0.0286 0.0299
06:01-07:00, Wed., 15 Apr. 0.0321 0.0279 0.0300
05:01-06:00, Wed., 15 Apr. 0.0324 0.0281 0.0304
04:01-05:00, Wed., 15 Apr. 0.0357 0.0290 0.0325
03:01-04:00, Wed., 15 Apr. 0.0367 0.0323 0.0346
02:01-03:00, Wed., 15 Apr. 0.0351 0.0292 0.0315
01:01-02:00, Wed., 15 Apr. 0.0385 0.0316 0.0341
00:01-01:00, Wed., 15 Apr. 0.0382 0.0339 0.0361
23:01-24:00, Tue., 14 Apr. 0.0405 0.0346 0.0369
22:01-23:00, Tue., 14 Apr. 0.0367 0.0287 0.0318
21:01-22:00, Tue., 14 Apr. 0.0356 0.0305 0.0332
20:01-21:00, Tue., 14 Apr. 0.0358 0.0320 0.0337
19:01-20:00, Tue., 14 Apr. 0.0407 0.0341 0.0364
18:01-19:00, Tue., 14 Apr. 0.0413 0.0356 0.0379
17:01-18:00, Tue., 14 Apr. 0.0404 0.0299 0.0346
16:01-17:00, Tue., 14 Apr. 0.0335 0.0294 0.0318
15:01-16:00, Tue., 14 Apr. 0.0335 0.0297 0.0315
14:01-15:00, Tue., 14 Apr. 0.0335 0.0287 0.0314
13:01-14:00, Tue., 14 Apr. 0.0330 0.0281 0.0307
12:01-13:00, Tue., 14 Apr. 0.0340 0.0296 0.0319
11:01-12:00, Tue., 14 Apr. 0.0360 0.0297 0.0323
10:01-11:00, Tue., 14 Apr. 0.0358 0.0316 0.0335
09:01-10:00, Tue., 14 Apr. 0.0344 0.0296 0.0316
08:01-09:00, Tue., 14 Apr. 0.0323 0.0287 0.0304
07:01-08:00, Tue., 14 Apr. 0.0317 0.0281 0.0298
06:01-07:00, Tue., 14 Apr. 0.0318 0.0280 0.0300
05:01-06:00, Tue., 14 Apr. 0.0321 0.0281 0.0299
04:01-05:00, Tue., 14 Apr. 0.0318 0.0283 0.0300
03:01-04:00, Tue., 14 Apr. 0.0339 0.0283 0.0310
02:01-03:00, Tue., 14 Apr. 0.0341 0.0305 0.0321
01:01-02:00, Tue., 14 Apr. 0.0341 0.0296 0.0316
00:01-01:00, Tue., 14 Apr. 0.0350 0.0299 0.0326
23:01-24:00, Mon., 13 Apr. 0.0367 0.0309 0.0336
22:01-23:00, Mon., 13 Apr. 0.0370 0.0326 0.0346
21:01-22:00, Mon., 13 Apr. 0.0385 0.0336 0.0356
20:01-21:00, Mon., 13 Apr. 0.0395 0.0344 0.0361
19:01-20:00, Mon., 13 Apr. 0.0388 0.0337 0.0359
18:01-19:00, Mon., 13 Apr. 0.0389 0.0329 0.0354
17:01-18:00, Mon., 13 Apr. 0.0369 0.0335 0.0353
16:01-17:00, Mon., 13 Apr. 0.0367 0.0329 0.0349
15:01-16:00, Mon., 13 Apr. 0.0391 0.0337 0.0356
14:01-15:00, Mon., 13 Apr. 0.0377 0.0330 0.0350
13:01-14:00, Mon., 13 Apr. 0.0375 0.0326 0.0350
12:01-13:00, Mon., 13 Apr. 0.0366 0.0321 0.0345
11:01-12:00, Mon., 13 Apr. 0.0364 0.0319 0.0342
10:01-11:00, Mon., 13 Apr. 0.0366 0.0314 0.0340
09:01-10:00, Mon., 13 Apr. 0.0353 0.0278 0.0320
08:01-09:00, Mon., 13 Apr. 0.0319 0.0289 0.0303
07:01-08:00, Mon., 13 Apr. 0.0324 0.0285 0.0304
06:01-07:00, Mon., 13 Apr. 0.0322 0.0290 0.0305
05:01-06:00, Mon., 13 Apr. 0.0316 0.0281 0.0303
04:01-05:00, Mon., 13 Apr. 0.0331 0.0287 0.0305
03:01-04:00, Mon., 13 Apr. 0.0316 0.0282 0.0300
02:01-03:00, Mon., 13 Apr. 0.0328 0.0279 0.0302
01:01-02:00, Mon., 13 Apr. 0.0315 0.0286 0.0302
00:01-01:00, Mon., 13 Apr. 0.0316 0.0284 0.0300