Measurement results by the hour (Chofu) 14 Jan., 2013 - 20 Jan., 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., 20 Jan. 0.0354 0.0320 0.0338
22:01-23:00, Sun., 20 Jan. 0.0361 0.0321 0.0337
21:01-22:00, Sun., 20 Jan. 0.0355 0.0312 0.0334
20:01-21:00, Sun., 20 Jan. 0.0353 0.0312 0.0335
19:01-20:00, Sun., 20 Jan. 0.0363 0.0311 0.0333
18:01-19:00, Sun., 20 Jan. 0.0354 0.0319 0.0336
17:01-18:00, Sun., 20 Jan. 0.0364 0.0314 0.0335
16:01-17:00, Sun., 20 Jan. 0.0353 0.0313 0.0334
15:01-16:00, Sun., 20 Jan. 0.0352 0.0312 0.0332
14:01-15:00, Sun., 20 Jan. 0.0360 0.0316 0.0331
13:01-14:00, Sun., 20 Jan. 0.0351 0.0312 0.0331
12:01-13:00, Sun., 20 Jan. 0.0353 0.0306 0.0332
11:01-12:00, Sun., 20 Jan. 0.0355 0.0315 0.0332
10:01-11:00, Sun., 20 Jan. 0.0352 0.0312 0.0330
09:01-10:00, Sun., 20 Jan. 0.0348 0.0315 0.0330
08:01-09:00, Sun., 20 Jan. 0.0360 0.0319 0.0337
07:01-08:00, Sun., 20 Jan. 0.0358 0.0314 0.0336
06:01-07:00, Sun., 20 Jan. 0.0352 0.0310 0.0339
05:01-06:00, Sun., 20 Jan. 0.0360 0.0321 0.0340
04:01-05:00, Sun., 20 Jan. 0.0365 0.0320 0.0342
03:01-04:00, Sun., 20 Jan. 0.0366 0.0308 0.0336
02:01-03:00, Sun., 20 Jan. 0.0363 0.0319 0.0337
01:01-02:00, Sun., 20 Jan. 0.0360 0.0315 0.0339
00:01-01:00, Sun., 20 Jan. 0.0348 0.0312 0.0333
23:01-24:00, Sat., 19 Jan. 0.0341 0.0308 0.0325
22:01-23:00, Sat., 19 Jan. 0.0346 0.0310 0.0323
21:01-22:00, Sat., 19 Jan. 0.0345 0.0308 0.0323
20:01-21:00, Sat., 19 Jan. 0.0349 0.0299 0.0325
19:01-20:00, Sat., 19 Jan. 0.0351 0.0303 0.0321
18:01-19:00, Sat., 19 Jan. 0.0342 0.0300 0.0320
17:01-18:00, Sat., 19 Jan. 0.0340 0.0302 0.0319
16:01-17:00, Sat., 19 Jan. 0.0333 0.0296 0.0315
15:01-16:00, Sat., 19 Jan. 0.0331 0.0298 0.0315
14:01-15:00, Sat., 19 Jan. 0.0332 0.0298 0.0316
13:01-14:00, Sat., 19 Jan. 0.0332 0.0294 0.0311
12:01-13:00, Sat., 19 Jan. 0.0330 0.0292 0.0308
11:01-12:00, Sat., 19 Jan. 0.0326 0.0291 0.0309
10:01-11:00, Sat., 19 Jan. 0.0341 0.0293 0.0315
09:01-10:00, Sat., 19 Jan. 0.0338 0.0301 0.0322
08:01-09:00, Sat., 19 Jan. 0.0346 0.0306 0.0325
07:01-08:00, Sat., 19 Jan. 0.0347 0.0309 0.0328
06:01-07:00, Sat., 19 Jan. 0.0355 0.0299 0.0327
05:01-06:00, Sat., 19 Jan. 0.0344 0.0309 0.0327
04:01-05:00, Sat., 19 Jan. 0.0345 0.0309 0.0329
03:01-04:00, Sat., 19 Jan. 0.0343 0.0304 0.0328
02:01-03:00, Sat., 19 Jan. 0.0353 0.0308 0.0327
01:01-02:00, Sat., 19 Jan. 0.0343 0.0309 0.0323
00:01-01:00, Sat., 19 Jan. 0.0349 0.0300 0.0322
23:01-24:00, Fri., 18 Jan. 0.0337 0.0303 0.0319
22:01-23:00, Fri., 18 Jan. 0.0332 0.0296 0.0314
21:01-22:00, Fri., 18 Jan. 0.0329 0.0294 0.0310
20:01-21:00, Fri., 18 Jan. 0.0330 0.0292 0.0311
19:01-20:00, Fri., 18 Jan. 0.0326 0.0286 0.0305
18:01-19:00, Fri., 18 Jan. 0.0324 0.0283 0.0307
17:01-18:00, Fri., 18 Jan. 0.0321 0.0286 0.0307
16:01-17:00, Fri., 18 Jan. 0.0328 0.0290 0.0305
15:01-16:00, Fri., 18 Jan. 0.0325 0.0281 0.0304
14:01-15:00, Fri., 18 Jan. 0.0320 0.0281 0.0304
13:01-14:00, Fri., 18 Jan. 0.0320 0.0282 0.0301
12:01-13:00, Fri., 18 Jan. 0.0325 0.0285 0.0301
11:01-12:00, Fri., 18 Jan. 0.0321 0.0278 0.0300
10:01-11:00, Fri., 18 Jan. 0.0313 0.0275 0.0295
09:01-10:00, Fri., 18 Jan. 0.0326 0.0278 0.0300
08:01-09:00, Fri., 18 Jan. 0.0326 0.0283 0.0298
07:01-08:00, Fri., 18 Jan. 0.0316 0.0277 0.0296
06:01-07:00, Fri., 18 Jan. 0.0315 0.0276 0.0297
05:01-06:00, Fri., 18 Jan. 0.0315 0.0280 0.0299
04:01-05:00, Fri., 18 Jan. 0.0319 0.0277 0.0298
03:01-04:00, Fri., 18 Jan. 0.0317 0.0276 0.0299
02:01-03:00, Fri., 18 Jan. 0.0324 0.0285 0.0299
01:01-02:00, Fri., 18 Jan. 0.0316 0.0279 0.0296
00:01-01:00, Fri., 18 Jan. 0.0316 0.0277 0.0298
23:01-24:00, Thu., 17 Jan. 0.0318 0.0274 0.0298
22:01-23:00, Thu., 17 Jan. 0.0327 0.0279 0.0296
21:01-22:00, Thu., 17 Jan. 0.0317 0.0284 0.0300
20:01-21:00, Thu., 17 Jan. 0.0329 0.0286 0.0300
19:01-20:00, Thu., 17 Jan. 0.0320 0.0274 0.0297
18:01-19:00, Thu., 17 Jan. 0.0318 0.0279 0.0296
17:01-18:00, Thu., 17 Jan. 0.0314 0.0280 0.0296
16:01-17:00, Thu., 17 Jan. 0.0316 0.0265 0.0292
15:01-16:00, Thu., 17 Jan. 0.0313 0.0276 0.0295
14:01-15:00, Thu., 17 Jan. 0.0317 0.0274 0.0294
13:01-14:00, Thu., 17 Jan. 0.0307 0.0267 0.0290
12:01-13:00, Thu., 17 Jan. 0.0306 0.0274 0.0289
11:01-12:00, Thu., 17 Jan. 0.0309 0.0274 0.0290
10:01-11:00, Thu., 17 Jan. 0.0314 0.0276 0.0298
09:01-10:00, Thu., 17 Jan. 0.0328 0.0284 0.0310
08:01-09:00, Thu., 17 Jan. 0.0342 0.0298 0.0319
07:01-08:00, Thu., 17 Jan. 0.0342 0.0311 0.0328
06:01-07:00, Thu., 17 Jan. 0.0343 0.0304 0.0324
05:01-06:00, Thu., 17 Jan. 0.0345 0.0304 0.0323
04:01-05:00, Thu., 17 Jan. 0.0336 0.0298 0.0320
03:01-04:00, Thu., 17 Jan. 0.0342 0.0295 0.0317
02:01-03:00, Thu., 17 Jan. 0.0324 0.0289 0.0308
01:01-02:00, Thu., 17 Jan. 0.0327 0.0285 0.0304
00:01-01:00, Thu., 17 Jan. 0.0316 0.0287 0.0303
23:01-24:00, Wed., 16 Jan. 0.0323 0.0288 0.0303
22:01-23:00, Wed., 16 Jan. 0.0312 0.0282 0.0296
21:01-22:00, Wed., 16 Jan. 0.0312 0.0274 0.0292
20:01-21:00, Wed., 16 Jan. 0.0316 0.0266 0.0291
19:01-20:00, Wed., 16 Jan. 0.0305 0.0267 0.0285
18:01-19:00, Wed., 16 Jan. 0.0304 0.0260 0.0284
17:01-18:00, Wed., 16 Jan. 0.0308 0.0269 0.0284
16:01-17:00, Wed., 16 Jan. 0.0301 0.0264 0.0281
15:01-16:00, Wed., 16 Jan. 0.0306 0.0260 0.0282
14:01-15:00, Wed., 16 Jan. 0.0293 0.0267 0.0282
13:01-14:00, Wed., 16 Jan. 0.0304 0.0260 0.0278
12:01-13:00, Wed., 16 Jan. 0.0306 0.0260 0.0279
11:01-12:00, Wed., 16 Jan. 0.0297 0.0263 0.0281
10:01-11:00, Wed., 16 Jan. 0.0309 0.0266 0.0284
09:01-10:00, Wed., 16 Jan. 0.0302 0.0262 0.0283
08:01-09:00, Wed., 16 Jan. 0.0296 0.0254 0.0279
07:01-08:00, Wed., 16 Jan. 0.0298 0.0259 0.0277
06:01-07:00, Wed., 16 Jan. 0.0304 0.0258 0.0280
05:01-06:00, Wed., 16 Jan. 0.0295 0.0263 0.0277
04:01-05:00, Wed., 16 Jan. 0.0290 0.0262 0.0277
03:01-04:00, Wed., 16 Jan. 0.0303 0.0261 0.0279
02:01-03:00, Wed., 16 Jan. 0.0298 0.0260 0.0277
01:01-02:00, Wed., 16 Jan. 0.0293 0.0263 0.0278
00:01-01:00, Wed., 16 Jan. 0.0293 0.0252 0.0276
23:01-24:00, Tue., 15 Jan. 0.0290 0.0257 0.0275
22:01-23:00, Tue., 15 Jan. 0.0287 0.0257 0.0272
21:01-22:00, Tue., 15 Jan. 0.0297 0.0252 0.0273
20:01-21:00, Tue., 15 Jan. 0.0287 0.0252 0.0271
19:01-20:00, Tue., 15 Jan. 0.0286 0.0248 0.0272
18:01-19:00, Tue., 15 Jan. 0.0288 0.0250 0.0268
17:01-18:00, Tue., 15 Jan. 0.0286 0.0249 0.0268
16:01-17:00, Tue., 15 Jan. 0.0292 0.0255 0.0268
15:01-16:00, Tue., 15 Jan. 0.0279 0.0246 0.0266
14:01-15:00, Tue., 15 Jan. 0.0280 0.0242 0.0266
13:01-14:00, Tue., 15 Jan. 0.0280 0.0240 0.0262
12:01-13:00, Tue., 15 Jan. 0.0278 0.0243 0.0262
11:01-12:00, Tue., 15 Jan. 0.0290 0.0240 0.0260
10:01-11:00, Tue., 15 Jan. 0.0272 0.0241 0.0256
09:01-10:00, Tue., 15 Jan. 0.0266 0.0236 0.0251
08:01-09:00, Tue., 15 Jan. 0.0262 0.0236 0.0248
07:01-08:00, Tue., 15 Jan. 0.0274 0.0230 0.0245
06:01-07:00, Tue., 15 Jan. 0.0269 0.0229 0.0246
05:01-06:00, Tue., 15 Jan. 0.0262 0.0232 0.0248
04:01-05:00, Tue., 15 Jan. 0.0265 0.0227 0.0248
03:01-04:00, Tue., 15 Jan. 0.0264 0.0227 0.0248
02:01-03:00, Tue., 15 Jan. 0.0272 0.0224 0.0245
01:01-02:00, Tue., 15 Jan. 0.0264 0.0230 0.0246
00:01-01:00, Tue., 15 Jan. 0.0266 0.0225 0.0242
23:01-24:00, Mon., 14 Jan. 0.0263 0.0230 0.0243
22:01-23:00, Mon., 14 Jan. 0.0262 0.0224 0.0242
21:01-22:00, Mon., 14 Jan. 0.0262 0.0225 0.0246
20:01-21:00, Mon., 14 Jan. 0.0286 0.0239 0.0261
19:01-20:00, Mon., 14 Jan. 0.0386 0.0270 0.0322
18:01-19:00, Mon., 14 Jan. 0.0425 0.0351 0.0382
17:01-18:00, Mon., 14 Jan. 0.0450 0.0382 0.0408
16:01-17:00, Mon., 14 Jan. 0.0488 0.0385 0.0438
15:01-16:00, Mon., 14 Jan. 0.0540 0.0438 0.0500
14:01-15:00, Mon., 14 Jan. 0.0568 0.0504 0.0533
13:01-14:00, Mon., 14 Jan. 0.0597 0.0507 0.0545
12:01-13:00, Mon., 14 Jan. 0.0585 0.0515 0.0553
11:01-12:00, Mon., 14 Jan. 0.0620 0.0543 0.0575
10:01-11:00, Mon., 14 Jan. 0.0615 0.0517 0.0567
09:01-10:00, Mon., 14 Jan. 0.0580 0.0505 0.0535
08:01-09:00, Mon., 14 Jan. 0.0569 0.0497 0.0527
07:01-08:00, Mon., 14 Jan. 0.0553 0.0465 0.0511
06:01-07:00, Mon., 14 Jan. 0.0533 0.0461 0.0501
05:01-06:00, Mon., 14 Jan. 0.0570 0.0497 0.0529
04:01-05:00, Mon., 14 Jan. 0.0565 0.0436 0.0511
03:01-04:00, Mon., 14 Jan. 0.0460 0.0359 0.0394
02:01-03:00, Mon., 14 Jan. 0.0401 0.0346 0.0369
01:01-02:00, Mon., 14 Jan. 0.0398 0.0349 0.0370
00:01-01:00, Mon., 14 Jan. 0.0399 0.0351 0.0371