Measurement results by the hour (Chofu) 8 Apr., 2019 - 14 Apr., 2019

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., 14 Apr. 0.0297 0.0259 0.0277
22:01-23:00, Sun., 14 Apr. 0.0300 0.0262 0.0278
21:01-22:00, Sun., 14 Apr. 0.0297 0.0253 0.0278
20:01-21:00, Sun., 14 Apr. 0.0299 0.0260 0.0278
19:01-20:00, Sun., 14 Apr. 0.0303 0.0260 0.0278
18:01-19:00, Sun., 14 Apr. 0.0297 0.0258 0.0277
17:01-18:00, Sun., 14 Apr. 0.0299 0.0266 0.0278
16:01-17:00, Sun., 14 Apr. 0.0297 0.0259 0.0278
15:01-16:00, Sun., 14 Apr. 0.0296 0.0261 0.0279
14:01-15:00, Sun., 14 Apr. 0.0294 0.0257 0.0277
13:01-14:00, Sun., 14 Apr. 0.0307 0.0255 0.0278
12:01-13:00, Sun., 14 Apr. 0.0294 0.0259 0.0277
11:01-12:00, Sun., 14 Apr. 0.0297 0.0261 0.0279
10:01-11:00, Sun., 14 Apr. 0.0298 0.0258 0.0279
09:01-10:00, Sun., 14 Apr. 0.0306 0.0265 0.0281
08:01-09:00, Sun., 14 Apr. 0.0306 0.0265 0.0285
07:01-08:00, Sun., 14 Apr. 0.0299 0.0260 0.0285
06:01-07:00, Sun., 14 Apr. 0.0302 0.0268 0.0285
05:01-06:00, Sun., 14 Apr. 0.0307 0.0264 0.0284
04:01-05:00, Sun., 14 Apr. 0.0301 0.0266 0.0284
03:01-04:00, Sun., 14 Apr. 0.0301 0.0264 0.0282
02:01-03:00, Sun., 14 Apr. 0.0299 0.0263 0.0281
01:01-02:00, Sun., 14 Apr. 0.0299 0.0261 0.0281
00:01-01:00, Sun., 14 Apr. 0.0299 0.0261 0.0281
23:01-24:00, Sat., 13 Apr. 0.0294 0.0258 0.0278
22:01-23:00, Sat., 13 Apr. 0.0297 0.0261 0.0278
21:01-22:00, Sat., 13 Apr. 0.0295 0.0261 0.0278
20:01-21:00, Sat., 13 Apr. 0.0294 0.0258 0.0275
19:01-20:00, Sat., 13 Apr. 0.0298 0.0257 0.0278
18:01-19:00, Sat., 13 Apr. 0.0294 0.0261 0.0279
17:01-18:00, Sat., 13 Apr. 0.0298 0.0253 0.0276
16:01-17:00, Sat., 13 Apr. 0.0289 0.0253 0.0276
15:01-16:00, Sat., 13 Apr. 0.0291 0.0256 0.0277
14:01-15:00, Sat., 13 Apr. 0.0295 0.0263 0.0277
13:01-14:00, Sat., 13 Apr. 0.0294 0.0253 0.0277
12:01-13:00, Sat., 13 Apr. 0.0302 0.0261 0.0280
11:01-12:00, Sat., 13 Apr. 0.0303 0.0259 0.0281
10:01-11:00, Sat., 13 Apr. 0.0302 0.0251 0.0282
09:01-10:00, Sat., 13 Apr. 0.0296 0.0260 0.0282
08:01-09:00, Sat., 13 Apr. 0.0303 0.0261 0.0284
07:01-08:00, Sat., 13 Apr. 0.0317 0.0268 0.0287
06:01-07:00, Sat., 13 Apr. 0.0314 0.0268 0.0289
05:01-06:00, Sat., 13 Apr. 0.0308 0.0271 0.0289
04:01-05:00, Sat., 13 Apr. 0.0317 0.0268 0.0291
03:01-04:00, Sat., 13 Apr. 0.0310 0.0274 0.0291
02:01-03:00, Sat., 13 Apr. 0.0329 0.0266 0.0297
01:01-02:00, Sat., 13 Apr. 0.0319 0.0278 0.0296
00:01-01:00, Sat., 13 Apr. 0.0311 0.0267 0.0288
23:01-24:00, Fri., 12 Apr. 0.0303 0.0263 0.0281
22:01-23:00, Fri., 12 Apr. 0.0288 0.0259 0.0275
21:01-22:00, Fri., 12 Apr. 0.0301 0.0264 0.0278
20:01-21:00, Fri., 12 Apr. 0.0298 0.0251 0.0276
19:01-20:00, Fri., 12 Apr. 0.0299 0.0262 0.0275
18:01-19:00, Fri., 12 Apr. 0.0311 0.0253 0.0276
17:01-18:00, Fri., 12 Apr. 0.0299 0.0260 0.0276
16:01-17:00, Fri., 12 Apr. 0.0299 0.0260 0.0278
15:01-16:00, Fri., 12 Apr. 0.0300 0.0257 0.0275
14:01-15:00, Fri., 12 Apr. 0.0290 0.0256 0.0275
13:01-14:00, Fri., 12 Apr. 0.0296 0.0255 0.0278
12:01-13:00, Fri., 12 Apr. 0.0304 0.0254 0.0278
11:01-12:00, Fri., 12 Apr. 0.0288 0.0254 0.0275
10:01-11:00, Fri., 12 Apr. 0.0295 0.0255 0.0276
09:01-10:00, Fri., 12 Apr. 0.0300 0.0263 0.0280
08:01-09:00, Fri., 12 Apr. 0.0295 0.0262 0.0278
07:01-08:00, Fri., 12 Apr. 0.0293 0.0261 0.0279
06:01-07:00, Fri., 12 Apr. 0.0307 0.0260 0.0283
05:01-06:00, Fri., 12 Apr. 0.0299 0.0252 0.0279
04:01-05:00, Fri., 12 Apr. 0.0298 0.0263 0.0280
03:01-04:00, Fri., 12 Apr. 0.0300 0.0256 0.0280
02:01-03:00, Fri., 12 Apr. 0.0292 0.0254 0.0277
01:01-02:00, Fri., 12 Apr. 0.0298 0.0261 0.0279
00:01-01:00, Fri., 12 Apr. 0.0292 0.0257 0.0276
23:01-24:00, Thu., 11 Apr. 0.0297 0.0255 0.0276
22:01-23:00, Thu., 11 Apr. 0.0293 0.0260 0.0278
21:01-22:00, Thu., 11 Apr. 0.0294 0.0255 0.0275
20:01-21:00, Thu., 11 Apr. 0.0295 0.0263 0.0277
19:01-20:00, Thu., 11 Apr. 0.0294 0.0250 0.0273
18:01-19:00, Thu., 11 Apr. 0.0300 0.0248 0.0276
17:01-18:00, Thu., 11 Apr. 0.0291 0.0257 0.0275
16:01-17:00, Thu., 11 Apr. 0.0299 0.0254 0.0274
15:01-16:00, Thu., 11 Apr. 0.0297 0.0244 0.0274
14:01-15:00, Thu., 11 Apr. 0.0292 0.0256 0.0272
13:01-14:00, Thu., 11 Apr. 0.0303 0.0255 0.0276
12:01-13:00, Thu., 11 Apr. 0.0298 0.0257 0.0275
11:01-12:00, Thu., 11 Apr. 0.0293 0.0257 0.0277
10:01-11:00, Thu., 11 Apr. 0.0296 0.0260 0.0278
09:01-10:00, Thu., 11 Apr. 0.0301 0.0258 0.0279
08:01-09:00, Thu., 11 Apr. 0.0303 0.0262 0.0280
07:01-08:00, Thu., 11 Apr. 0.0305 0.0251 0.0280
06:01-07:00, Thu., 11 Apr. 0.0304 0.0265 0.0280
05:01-06:00, Thu., 11 Apr. 0.0303 0.0256 0.0281
04:01-05:00, Thu., 11 Apr. 0.0308 0.0261 0.0285
03:01-04:00, Thu., 11 Apr. 0.0318 0.0272 0.0293
02:01-03:00, Thu., 11 Apr. 0.0344 0.0292 0.0314
01:01-02:00, Thu., 11 Apr. 0.0363 0.0321 0.0341
00:01-01:00, Thu., 11 Apr. 0.0350 0.0315 0.0333
23:01-24:00, Wed., 10 Apr. 0.0347 0.0303 0.0321
22:01-23:00, Wed., 10 Apr. 0.0368 0.0306 0.0336
21:01-22:00, Wed., 10 Apr. 0.0394 0.0335 0.0362
20:01-21:00, Wed., 10 Apr. 0.0420 0.0335 0.0367
19:01-20:00, Wed., 10 Apr. 0.0445 0.0377 0.0415
18:01-19:00, Wed., 10 Apr. 0.0475 0.0400 0.0439
17:01-18:00, Wed., 10 Apr. 0.0470 0.0388 0.0431
16:01-17:00, Wed., 10 Apr. 0.0482 0.0388 0.0430
15:01-16:00, Wed., 10 Apr. 0.0479 0.0401 0.0444
14:01-15:00, Wed., 10 Apr. 0.0476 0.0392 0.0437
13:01-14:00, Wed., 10 Apr. 0.0433 0.0369 0.0403
12:01-13:00, Wed., 10 Apr. 0.0449 0.0363 0.0403
11:01-12:00, Wed., 10 Apr. 0.0526 0.0404 0.0458
10:01-11:00, Wed., 10 Apr. 0.0562 0.0459 0.0486
09:01-10:00, Wed., 10 Apr. 0.0495 0.0401 0.0434
08:01-09:00, Wed., 10 Apr. 0.0491 0.0394 0.0448
07:01-08:00, Wed., 10 Apr. 0.0452 0.0372 0.0410
06:01-07:00, Wed., 10 Apr. 0.0408 0.0341 0.0368
05:01-06:00, Wed., 10 Apr. 0.0394 0.0348 0.0370
04:01-05:00, Wed., 10 Apr. 0.0394 0.0286 0.0342
03:01-04:00, Wed., 10 Apr. 0.0314 0.0273 0.0291
02:01-03:00, Wed., 10 Apr. 0.0311 0.0259 0.0286
01:01-02:00, Wed., 10 Apr. 0.0304 0.0265 0.0285
00:01-01:00, Wed., 10 Apr. 0.0308 0.0262 0.0283
23:01-24:00, Tue., 09 Apr. 0.0310 0.0267 0.0284
22:01-23:00, Tue., 09 Apr. 0.0301 0.0259 0.0283
21:01-22:00, Tue., 09 Apr. 0.0300 0.0261 0.0281
20:01-21:00, Tue., 09 Apr. 0.0299 0.0255 0.0280
19:01-20:00, Tue., 09 Apr. 0.0302 0.0260 0.0282
18:01-19:00, Tue., 09 Apr. 0.0299 0.0267 0.0282
17:01-18:00, Tue., 09 Apr. 0.0303 0.0265 0.0282
16:01-17:00, Tue., 09 Apr. 0.0303 0.0270 0.0284
15:01-16:00, Tue., 09 Apr. 0.0298 0.0264 0.0281
14:01-15:00, Tue., 09 Apr. 0.0300 0.0262 0.0281
13:01-14:00, Tue., 09 Apr. 0.0300 0.0257 0.0281
12:01-13:00, Tue., 09 Apr. 0.0303 0.0266 0.0282
11:01-12:00, Tue., 09 Apr. 0.0307 0.0262 0.0284
10:01-11:00, Tue., 09 Apr. 0.0303 0.0262 0.0281
09:01-10:00, Tue., 09 Apr. 0.0300 0.0264 0.0284
08:01-09:00, Tue., 09 Apr. 0.0307 0.0269 0.0285
07:01-08:00, Tue., 09 Apr. 0.0304 0.0268 0.0286
06:01-07:00, Tue., 09 Apr. 0.0308 0.0266 0.0286
05:01-06:00, Tue., 09 Apr. 0.0303 0.0261 0.0285
04:01-05:00, Tue., 09 Apr. 0.0310 0.0264 0.0285
03:01-04:00, Tue., 09 Apr. 0.0302 0.0268 0.0284
02:01-03:00, Tue., 09 Apr. 0.0299 0.0262 0.0284
01:01-02:00, Tue., 09 Apr. 0.0304 0.0265 0.0286
00:01-01:00, Tue., 09 Apr. 0.0310 0.0268 0.0284
23:01-24:00, Mon., 08 Apr. 0.0313 0.0270 0.0287
22:01-23:00, Mon., 08 Apr. 0.0331 0.0272 0.0305
21:01-22:00, Mon., 08 Apr. 0.0401 0.0304 0.0348
20:01-21:00, Mon., 08 Apr. 0.0388 0.0328 0.0357
19:01-20:00, Mon., 08 Apr. 0.0402 0.0320 0.0352
18:01-19:00, Mon., 08 Apr. 0.0462 0.0352 0.0413
17:01-18:00, Mon., 08 Apr. 0.0370 0.0268 0.0297
16:01-17:00, Mon., 08 Apr. 0.0302 0.0259 0.0283
15:01-16:00, Mon., 08 Apr. 0.0295 0.0267 0.0282
14:01-15:00, Mon., 08 Apr. 0.0306 0.0265 0.0284
13:01-14:00, Mon., 08 Apr. 0.0302 0.0271 0.0284
12:01-13:00, Mon., 08 Apr. 0.0306 0.0267 0.0285
11:01-12:00, Mon., 08 Apr. 0.0310 0.0269 0.0290
10:01-11:00, Mon., 08 Apr. 0.0334 0.0280 0.0302
09:01-10:00, Mon., 08 Apr. 0.0409 0.0310 0.0356
08:01-09:00, Mon., 08 Apr. 0.0542 0.0377 0.0459
07:01-08:00, Mon., 08 Apr. 0.0589 0.0479 0.0538
06:01-07:00, Mon., 08 Apr. 0.0507 0.0372 0.0441
05:01-06:00, Mon., 08 Apr. 0.0377 0.0276 0.0334
04:01-05:00, Mon., 08 Apr. 0.0312 0.0271 0.0292
03:01-04:00, Mon., 08 Apr. 0.0318 0.0278 0.0293
02:01-03:00, Mon., 08 Apr. 0.0315 0.0272 0.0294
01:01-02:00, Mon., 08 Apr. 0.0309 0.0273 0.0294
00:01-01:00, Mon., 08 Apr. 0.0317 0.0274 0.0294