Measurement results by the hour (Chofu) 15 Aug., 2016 - 21 Aug., 2016

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 Aug. 0.0300 0.0266 0.0283
22:01-23:00, Sun., 21 Aug. 0.0299 0.0261 0.0282
21:01-22:00, Sun., 21 Aug. 0.0306 0.0265 0.0284
20:01-21:00, Sun., 21 Aug. 0.0302 0.0257 0.0281
19:01-20:00, Sun., 21 Aug. 0.0306 0.0263 0.0281
18:01-19:00, Sun., 21 Aug. 0.0308 0.0262 0.0283
17:01-18:00, Sun., 21 Aug. 0.0297 0.0262 0.0280
16:01-17:00, Sun., 21 Aug. 0.0304 0.0259 0.0279
15:01-16:00, Sun., 21 Aug. 0.0303 0.0260 0.0281
14:01-15:00, Sun., 21 Aug. 0.0299 0.0252 0.0278
13:01-14:00, Sun., 21 Aug. 0.0297 0.0261 0.0280
12:01-13:00, Sun., 21 Aug. 0.0298 0.0263 0.0281
11:01-12:00, Sun., 21 Aug. 0.0297 0.0255 0.0279
10:01-11:00, Sun., 21 Aug. 0.0302 0.0264 0.0280
09:01-10:00, Sun., 21 Aug. 0.0294 0.0253 0.0276
08:01-09:00, Sun., 21 Aug. 0.0298 0.0261 0.0278
07:01-08:00, Sun., 21 Aug. 0.0300 0.0257 0.0278
06:01-07:00, Sun., 21 Aug. 0.0296 0.0262 0.0279
05:01-06:00, Sun., 21 Aug. 0.0295 0.0266 0.0281
04:01-05:00, Sun., 21 Aug. 0.0303 0.0263 0.0283
03:01-04:00, Sun., 21 Aug. 0.0307 0.0271 0.0285
02:01-03:00, Sun., 21 Aug. 0.0310 0.0264 0.0286
01:01-02:00, Sun., 21 Aug. 0.0305 0.0268 0.0284
00:01-01:00, Sun., 21 Aug. 0.0303 0.0261 0.0283
23:01-24:00, Sat., 20 Aug. 0.0302 0.0263 0.0280
22:01-23:00, Sat., 20 Aug. 0.0303 0.0258 0.0279
21:01-22:00, Sat., 20 Aug. 0.0293 0.0260 0.0277
20:01-21:00, Sat., 20 Aug. 0.0299 0.0260 0.0276
19:01-20:00, Sat., 20 Aug. 0.0301 0.0260 0.0277
18:01-19:00, Sat., 20 Aug. 0.0292 0.0254 0.0276
17:01-18:00, Sat., 20 Aug. 0.0297 0.0259 0.0280
16:01-17:00, Sat., 20 Aug. 0.0296 0.0257 0.0277
15:01-16:00, Sat., 20 Aug. 0.0293 0.0253 0.0277
14:01-15:00, Sat., 20 Aug. 0.0293 0.0265 0.0278
13:01-14:00, Sat., 20 Aug. 0.0315 0.0268 0.0289
12:01-13:00, Sat., 20 Aug. 0.0361 0.0283 0.0320
11:01-12:00, Sat., 20 Aug. 0.0388 0.0327 0.0354
10:01-11:00, Sat., 20 Aug. 0.0355 0.0279 0.0309
09:01-10:00, Sat., 20 Aug. 0.0314 0.0271 0.0294
08:01-09:00, Sat., 20 Aug. 0.0339 0.0289 0.0309
07:01-08:00, Sat., 20 Aug. 0.0339 0.0289 0.0313
06:01-07:00, Sat., 20 Aug. 0.0319 0.0283 0.0303
05:01-06:00, Sat., 20 Aug. 0.0313 0.0271 0.0290
04:01-05:00, Sat., 20 Aug. 0.0306 0.0269 0.0286
03:01-04:00, Sat., 20 Aug. 0.0307 0.0272 0.0287
02:01-03:00, Sat., 20 Aug. 0.0302 0.0270 0.0286
01:01-02:00, Sat., 20 Aug. 0.0311 0.0254 0.0285
00:01-01:00, Sat., 20 Aug. 0.0309 0.0263 0.0284
23:01-24:00, Fri., 19 Aug. 0.0302 0.0262 0.0284
22:01-23:00, Fri., 19 Aug. 0.0303 0.0262 0.0283
21:01-22:00, Fri., 19 Aug. 0.0299 0.0266 0.0284
20:01-21:00, Fri., 19 Aug. 0.0303 0.0266 0.0283
19:01-20:00, Fri., 19 Aug. 0.0304 0.0262 0.0283
18:01-19:00, Fri., 19 Aug. 0.0305 0.0264 0.0281
17:01-18:00, Fri., 19 Aug. 0.0303 0.0268 0.0283
16:01-17:00, Fri., 19 Aug. 0.0302 0.0262 0.0281
15:01-16:00, Fri., 19 Aug. 0.0303 0.0262 0.0281
14:01-15:00, Fri., 19 Aug. 0.0308 0.0262 0.0282
13:01-14:00, Fri., 19 Aug. 0.0304 0.0265 0.0281
12:01-13:00, Fri., 19 Aug. 0.0305 0.0261 0.0281
11:01-12:00, Fri., 19 Aug. 0.0302 0.0264 0.0280
10:01-11:00, Fri., 19 Aug. 0.0308 0.0263 0.0281
09:01-10:00, Fri., 19 Aug. 0.0297 0.0262 0.0279
08:01-09:00, Fri., 19 Aug. 0.0297 0.0258 0.0278
07:01-08:00, Fri., 19 Aug. 0.0299 0.0258 0.0278
06:01-07:00, Fri., 19 Aug. 0.0302 0.0266 0.0285
05:01-06:00, Fri., 19 Aug. 0.0316 0.0271 0.0297
04:01-05:00, Fri., 19 Aug. 0.0317 0.0275 0.0296
03:01-04:00, Fri., 19 Aug. 0.0321 0.0270 0.0292
02:01-03:00, Fri., 19 Aug. 0.0311 0.0268 0.0293
01:01-02:00, Fri., 19 Aug. 0.0344 0.0276 0.0310
00:01-01:00, Fri., 19 Aug. 0.0351 0.0290 0.0323
23:01-24:00, Thu., 18 Aug. 0.0327 0.0273 0.0297
22:01-23:00, Thu., 18 Aug. 0.0311 0.0269 0.0288
21:01-22:00, Thu., 18 Aug. 0.0304 0.0271 0.0287
20:01-21:00, Thu., 18 Aug. 0.0313 0.0257 0.0290
19:01-20:00, Thu., 18 Aug. 0.0319 0.0280 0.0298
18:01-19:00, Thu., 18 Aug. 0.0309 0.0269 0.0292
17:01-18:00, Thu., 18 Aug. 0.0360 0.0289 0.0322
16:01-17:00, Thu., 18 Aug. 0.0443 0.0345 0.0392
15:01-16:00, Thu., 18 Aug. 0.0399 0.0306 0.0351
14:01-15:00, Thu., 18 Aug. 0.0321 0.0274 0.0294
13:01-14:00, Thu., 18 Aug. 0.0308 0.0268 0.0288
12:01-13:00, Thu., 18 Aug. 0.0304 0.0264 0.0285
11:01-12:00, Thu., 18 Aug. 0.0312 0.0266 0.0293
10:01-11:00, Thu., 18 Aug. 0.0323 0.0274 0.0302
09:01-10:00, Thu., 18 Aug. 0.0314 0.0273 0.0289
08:01-09:00, Thu., 18 Aug. 0.0316 0.0274 0.0296
07:01-08:00, Thu., 18 Aug. 0.0367 0.0300 0.0327
06:01-07:00, Thu., 18 Aug. 0.0433 0.0340 0.0376
05:01-06:00, Thu., 18 Aug. 0.0354 0.0274 0.0302
04:01-05:00, Thu., 18 Aug. 0.0322 0.0274 0.0296
03:01-04:00, Thu., 18 Aug. 0.0317 0.0274 0.0296
02:01-03:00, Thu., 18 Aug. 0.0319 0.0273 0.0297
01:01-02:00, Thu., 18 Aug. 0.0315 0.0277 0.0298
00:01-01:00, Thu., 18 Aug. 0.0317 0.0282 0.0298
23:01-24:00, Wed., 17 Aug. 0.0311 0.0279 0.0293
22:01-23:00, Wed., 17 Aug. 0.0312 0.0276 0.0292
21:01-22:00, Wed., 17 Aug. 0.0305 0.0278 0.0291
20:01-21:00, Wed., 17 Aug. 0.0312 0.0279 0.0293
19:01-20:00, Wed., 17 Aug. 0.0321 0.0279 0.0295
18:01-19:00, Wed., 17 Aug. 0.0311 0.0272 0.0290
17:01-18:00, Wed., 17 Aug. 0.0310 0.0280 0.0293
16:01-17:00, Wed., 17 Aug. 0.0308 0.0278 0.0294
15:01-16:00, Wed., 17 Aug. 0.0312 0.0276 0.0295
14:01-15:00, Wed., 17 Aug. 0.0316 0.0279 0.0294
13:01-14:00, Wed., 17 Aug. 0.0320 0.0273 0.0297
12:01-13:00, Wed., 17 Aug. 0.0314 0.0280 0.0297
11:01-12:00, Wed., 17 Aug. 0.0320 0.0280 0.0299
10:01-11:00, Wed., 17 Aug. 0.0320 0.0278 0.0298
09:01-10:00, Wed., 17 Aug. 0.0307 0.0274 0.0289
08:01-09:00, Wed., 17 Aug. 0.0306 0.0272 0.0290
07:01-08:00, Wed., 17 Aug. 0.0311 0.0267 0.0289
06:01-07:00, Wed., 17 Aug. 0.0307 0.0273 0.0289
05:01-06:00, Wed., 17 Aug. 0.0309 0.0271 0.0290
04:01-05:00, Wed., 17 Aug. 0.0311 0.0276 0.0292
03:01-04:00, Wed., 17 Aug. 0.0307 0.0271 0.0286
02:01-03:00, Wed., 17 Aug. 0.0308 0.0272 0.0290
01:01-02:00, Wed., 17 Aug. 0.0321 0.0280 0.0301
00:01-01:00, Wed., 17 Aug. 0.0345 0.0296 0.0318
23:01-24:00, Tue., 16 Aug. 0.0363 0.0314 0.0337
22:01-23:00, Tue., 16 Aug. 0.0369 0.0308 0.0341
21:01-22:00, Tue., 16 Aug. 0.0347 0.0299 0.0320
20:01-21:00, Tue., 16 Aug. 0.0333 0.0295 0.0315
19:01-20:00, Tue., 16 Aug. 0.0321 0.0278 0.0298
18:01-19:00, Tue., 16 Aug. 0.0308 0.0274 0.0294
17:01-18:00, Tue., 16 Aug. 0.0318 0.0272 0.0295
16:01-17:00, Tue., 16 Aug. 0.0329 0.0286 0.0306
15:01-16:00, Tue., 16 Aug. 0.0323 0.0284 0.0306
14:01-15:00, Tue., 16 Aug. 0.0321 0.0280 0.0306
13:01-14:00, Tue., 16 Aug. 0.0321 0.0284 0.0302
12:01-13:00, Tue., 16 Aug. 0.0322 0.0280 0.0302
11:01-12:00, Tue., 16 Aug. 0.0332 0.0288 0.0303
10:01-11:00, Tue., 16 Aug. 0.0322 0.0281 0.0304
09:01-10:00, Tue., 16 Aug. 0.0323 0.0285 0.0306
08:01-09:00, Tue., 16 Aug. 0.0324 0.0294 0.0309
07:01-08:00, Tue., 16 Aug. 0.0336 0.0295 0.0314
06:01-07:00, Tue., 16 Aug. 0.0340 0.0293 0.0314
05:01-06:00, Tue., 16 Aug. 0.0331 0.0286 0.0311
04:01-05:00, Tue., 16 Aug. 0.0330 0.0288 0.0306
03:01-04:00, Tue., 16 Aug. 0.0317 0.0286 0.0304
02:01-03:00, Tue., 16 Aug. 0.0321 0.0284 0.0305
01:01-02:00, Tue., 16 Aug. 0.0324 0.0268 0.0303
00:01-01:00, Tue., 16 Aug. 0.0325 0.0288 0.0307
23:01-24:00, Mon., 15 Aug. 0.0330 0.0281 0.0304
22:01-23:00, Mon., 15 Aug. 0.0324 0.0279 0.0304
21:01-22:00, Mon., 15 Aug. 0.0342 0.0286 0.0309
20:01-21:00, Mon., 15 Aug. 0.0351 0.0300 0.0324
19:01-20:00, Mon., 15 Aug. 0.0346 0.0293 0.0316
18:01-19:00, Mon., 15 Aug. 0.0322 0.0285 0.0307
17:01-18:00, Mon., 15 Aug. 0.0326 0.0283 0.0305
16:01-17:00, Mon., 15 Aug. 0.0331 0.0283 0.0310
15:01-16:00, Mon., 15 Aug. 0.0327 0.0284 0.0306
14:01-15:00, Mon., 15 Aug. 0.0325 0.0288 0.0307
13:01-14:00, Mon., 15 Aug. 0.0330 0.0288 0.0306
12:01-13:00, Mon., 15 Aug. 0.0324 0.0285 0.0305
11:01-12:00, Mon., 15 Aug. 0.0335 0.0290 0.0306
10:01-11:00, Mon., 15 Aug. 0.0335 0.0289 0.0306
09:01-10:00, Mon., 15 Aug. 0.0331 0.0289 0.0307
08:01-09:00, Mon., 15 Aug. 0.0332 0.0284 0.0309
07:01-08:00, Mon., 15 Aug. 0.0330 0.0284 0.0308
06:01-07:00, Mon., 15 Aug. 0.0333 0.0289 0.0308
05:01-06:00, Mon., 15 Aug. 0.0323 0.0291 0.0306
04:01-05:00, Mon., 15 Aug. 0.0321 0.0286 0.0305
03:01-04:00, Mon., 15 Aug. 0.0322 0.0290 0.0306
02:01-03:00, Mon., 15 Aug. 0.0329 0.0285 0.0302
01:01-02:00, Mon., 15 Aug. 0.0321 0.0286 0.0305
00:01-01:00, Mon., 15 Aug. 0.0332 0.0288 0.0307