Measurement results by the hour (Chofu) 2 Dec., 2019 - 8 Dec., 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., 08 Dec. 0.0310 0.0270 0.0282
22:01-23:00, Sun., 08 Dec. 0.0301 0.0262 0.0283
21:01-22:00, Sun., 08 Dec. 0.0299 0.0263 0.0282
20:01-21:00, Sun., 08 Dec. 0.0300 0.0260 0.0282
19:01-20:00, Sun., 08 Dec. 0.0304 0.0258 0.0283
18:01-19:00, Sun., 08 Dec. 0.0302 0.0265 0.0285
17:01-18:00, Sun., 08 Dec. 0.0300 0.0260 0.0283
16:01-17:00, Sun., 08 Dec. 0.0303 0.0266 0.0284
15:01-16:00, Sun., 08 Dec. 0.0305 0.0268 0.0287
14:01-15:00, Sun., 08 Dec. 0.0305 0.0264 0.0286
13:01-14:00, Sun., 08 Dec. 0.0305 0.0272 0.0290
12:01-13:00, Sun., 08 Dec. 0.0313 0.0267 0.0287
11:01-12:00, Sun., 08 Dec. 0.0316 0.0280 0.0297
10:01-11:00, Sun., 08 Dec. 0.0326 0.0287 0.0305
09:01-10:00, Sun., 08 Dec. 0.0327 0.0288 0.0308
08:01-09:00, Sun., 08 Dec. 0.0340 0.0294 0.0316
07:01-08:00, Sun., 08 Dec. 0.0335 0.0300 0.0317
06:01-07:00, Sun., 08 Dec. 0.0342 0.0299 0.0317
05:01-06:00, Sun., 08 Dec. 0.0342 0.0307 0.0324
04:01-05:00, Sun., 08 Dec. 0.0338 0.0287 0.0316
03:01-04:00, Sun., 08 Dec. 0.0338 0.0296 0.0315
02:01-03:00, Sun., 08 Dec. 0.0322 0.0276 0.0306
01:01-02:00, Sun., 08 Dec. 0.0330 0.0272 0.0300
00:01-01:00, Sun., 08 Dec. 0.0316 0.0283 0.0299
23:01-24:00, Sat., 07 Dec. 0.0311 0.0277 0.0298
22:01-23:00, Sat., 07 Dec. 0.0305 0.0278 0.0293
21:01-22:00, Sat., 07 Dec. 0.0325 0.0270 0.0295
20:01-21:00, Sat., 07 Dec. 0.0305 0.0270 0.0290
19:01-20:00, Sat., 07 Dec. 0.0308 0.0271 0.0292
18:01-19:00, Sat., 07 Dec. 0.0307 0.0266 0.0288
17:01-18:00, Sat., 07 Dec. 0.0303 0.0272 0.0284
16:01-17:00, Sat., 07 Dec. 0.0302 0.0263 0.0283
15:01-16:00, Sat., 07 Dec. 0.0302 0.0261 0.0284
14:01-15:00, Sat., 07 Dec. 0.0309 0.0267 0.0286
13:01-14:00, Sat., 07 Dec. 0.0310 0.0275 0.0292
12:01-13:00, Sat., 07 Dec. 0.0318 0.0277 0.0293
11:01-12:00, Sat., 07 Dec. 0.0327 0.0272 0.0296
10:01-11:00, Sat., 07 Dec. 0.0333 0.0279 0.0304
09:01-10:00, Sat., 07 Dec. 0.0338 0.0283 0.0307
08:01-09:00, Sat., 07 Dec. 0.0315 0.0271 0.0297
07:01-08:00, Sat., 07 Dec. 0.0307 0.0263 0.0285
06:01-07:00, Sat., 07 Dec. 0.0318 0.0265 0.0285
05:01-06:00, Sat., 07 Dec. 0.0299 0.0266 0.0284
04:01-05:00, Sat., 07 Dec. 0.0301 0.0263 0.0283
03:01-04:00, Sat., 07 Dec. 0.0301 0.0256 0.0281
02:01-03:00, Sat., 07 Dec. 0.0302 0.0266 0.0283
01:01-02:00, Sat., 07 Dec. 0.0302 0.0260 0.0283
00:01-01:00, Sat., 07 Dec. 0.0298 0.0263 0.0281
23:01-24:00, Fri., 06 Dec. 0.0296 0.0264 0.0281
22:01-23:00, Fri., 06 Dec. 0.0300 0.0262 0.0281
21:01-22:00, Fri., 06 Dec. 0.0301 0.0262 0.0280
20:01-21:00, Fri., 06 Dec. 0.0306 0.0254 0.0280
19:01-20:00, Fri., 06 Dec. 0.0304 0.0266 0.0282
18:01-19:00, Fri., 06 Dec. 0.0298 0.0263 0.0280
17:01-18:00, Fri., 06 Dec. 0.0315 0.0262 0.0282
16:01-17:00, Fri., 06 Dec. 0.0303 0.0261 0.0282
15:01-16:00, Fri., 06 Dec. 0.0298 0.0267 0.0280
14:01-15:00, Fri., 06 Dec. 0.0303 0.0263 0.0285
13:01-14:00, Fri., 06 Dec. 0.0304 0.0262 0.0284
12:01-13:00, Fri., 06 Dec. 0.0301 0.0264 0.0284
11:01-12:00, Fri., 06 Dec. 0.0303 0.0271 0.0285
10:01-11:00, Fri., 06 Dec. 0.0312 0.0270 0.0289
09:01-10:00, Fri., 06 Dec. 0.0317 0.0273 0.0288
08:01-09:00, Fri., 06 Dec. 0.0314 0.0275 0.0290
07:01-08:00, Fri., 06 Dec. 0.0307 0.0273 0.0289
06:01-07:00, Fri., 06 Dec. 0.0308 0.0269 0.0288
05:01-06:00, Fri., 06 Dec. 0.0315 0.0268 0.0287
04:01-05:00, Fri., 06 Dec. 0.0304 0.0259 0.0284
03:01-04:00, Fri., 06 Dec. 0.0310 0.0261 0.0284
02:01-03:00, Fri., 06 Dec. 0.0306 0.0262 0.0283
01:01-02:00, Fri., 06 Dec. 0.0300 0.0268 0.0284
00:01-01:00, Fri., 06 Dec. 0.0300 0.0263 0.0281
23:01-24:00, Thu., 05 Dec. 0.0305 0.0258 0.0282
22:01-23:00, Thu., 05 Dec. 0.0303 0.0261 0.0282
21:01-22:00, Thu., 05 Dec. 0.0297 0.0264 0.0280
20:01-21:00, Thu., 05 Dec. 0.0300 0.0261 0.0281
19:01-20:00, Thu., 05 Dec. 0.0300 0.0264 0.0282
18:01-19:00, Thu., 05 Dec. 0.0313 0.0264 0.0285
17:01-18:00, Thu., 05 Dec. 0.0302 0.0259 0.0284
16:01-17:00, Thu., 05 Dec. 0.0294 0.0258 0.0279
15:01-16:00, Thu., 05 Dec. 0.0305 0.0266 0.0283
14:01-15:00, Thu., 05 Dec. 0.0300 0.0263 0.0284
13:01-14:00, Thu., 05 Dec. 0.0299 0.0268 0.0284
12:01-13:00, Thu., 05 Dec. 0.0306 0.0260 0.0285
11:01-12:00, Thu., 05 Dec. 0.0301 0.0271 0.0286
10:01-11:00, Thu., 05 Dec. 0.0304 0.0269 0.0288
09:01-10:00, Thu., 05 Dec. 0.0306 0.0272 0.0292
08:01-09:00, Thu., 05 Dec. 0.0315 0.0279 0.0298
07:01-08:00, Thu., 05 Dec. 0.0330 0.0288 0.0304
06:01-07:00, Thu., 05 Dec. 0.0325 0.0286 0.0305
05:01-06:00, Thu., 05 Dec. 0.0331 0.0278 0.0305
04:01-05:00, Thu., 05 Dec. 0.0327 0.0286 0.0306
03:01-04:00, Thu., 05 Dec. 0.0323 0.0289 0.0304
02:01-03:00, Thu., 05 Dec. 0.0320 0.0281 0.0300
01:01-02:00, Thu., 05 Dec. 0.0318 0.0285 0.0302
00:01-01:00, Thu., 05 Dec. 0.0312 0.0269 0.0294
23:01-24:00, Wed., 04 Dec. 0.0316 0.0266 0.0285
22:01-23:00, Wed., 04 Dec. 0.0303 0.0260 0.0285
21:01-22:00, Wed., 04 Dec. 0.0304 0.0259 0.0284
20:01-21:00, Wed., 04 Dec. 0.0298 0.0263 0.0281
19:01-20:00, Wed., 04 Dec. 0.0298 0.0258 0.0281
18:01-19:00, Wed., 04 Dec. 0.0299 0.0258 0.0280
17:01-18:00, Wed., 04 Dec. 0.0296 0.0261 0.0278
16:01-17:00, Wed., 04 Dec. 0.0293 0.0260 0.0278
15:01-16:00, Wed., 04 Dec. 0.0304 0.0259 0.0280
14:01-15:00, Wed., 04 Dec. 0.0300 0.0256 0.0278
13:01-14:00, Wed., 04 Dec. 0.0302 0.0260 0.0280
12:01-13:00, Wed., 04 Dec. 0.0295 0.0262 0.0280
11:01-12:00, Wed., 04 Dec. 0.0309 0.0268 0.0286
10:01-11:00, Wed., 04 Dec. 0.0308 0.0271 0.0291
09:01-10:00, Wed., 04 Dec. 0.0326 0.0280 0.0302
08:01-09:00, Wed., 04 Dec. 0.0322 0.0284 0.0304
07:01-08:00, Wed., 04 Dec. 0.0328 0.0282 0.0303
06:01-07:00, Wed., 04 Dec. 0.0321 0.0285 0.0306
05:01-06:00, Wed., 04 Dec. 0.0328 0.0285 0.0303
04:01-05:00, Wed., 04 Dec. 0.0326 0.0288 0.0304
03:01-04:00, Wed., 04 Dec. 0.0318 0.0283 0.0301
02:01-03:00, Wed., 04 Dec. 0.0307 0.0267 0.0292
01:01-02:00, Wed., 04 Dec. 0.0303 0.0270 0.0284
00:01-01:00, Wed., 04 Dec. 0.0305 0.0267 0.0283
23:01-24:00, Tue., 03 Dec. 0.0298 0.0256 0.0280
22:01-23:00, Tue., 03 Dec. 0.0297 0.0256 0.0280
21:01-22:00, Tue., 03 Dec. 0.0295 0.0261 0.0280
20:01-21:00, Tue., 03 Dec. 0.0294 0.0260 0.0277
19:01-20:00, Tue., 03 Dec. 0.0300 0.0260 0.0278
18:01-19:00, Tue., 03 Dec. 0.0298 0.0261 0.0277
17:01-18:00, Tue., 03 Dec. 0.0297 0.0255 0.0277
16:01-17:00, Tue., 03 Dec. 0.0298 0.0261 0.0278
15:01-16:00, Tue., 03 Dec. 0.0305 0.0255 0.0278
14:01-15:00, Tue., 03 Dec. 0.0308 0.0261 0.0278
13:01-14:00, Tue., 03 Dec. 0.0302 0.0264 0.0280
12:01-13:00, Tue., 03 Dec. 0.0302 0.0264 0.0282
11:01-12:00, Tue., 03 Dec. 0.0300 0.0263 0.0281
10:01-11:00, Tue., 03 Dec. 0.0304 0.0264 0.0284
09:01-10:00, Tue., 03 Dec. 0.0301 0.0257 0.0281
08:01-09:00, Tue., 03 Dec. 0.0300 0.0258 0.0281
07:01-08:00, Tue., 03 Dec. 0.0303 0.0257 0.0281
06:01-07:00, Tue., 03 Dec. 0.0299 0.0265 0.0281
05:01-06:00, Tue., 03 Dec. 0.0306 0.0258 0.0281
04:01-05:00, Tue., 03 Dec. 0.0300 0.0259 0.0282
03:01-04:00, Tue., 03 Dec. 0.0298 0.0260 0.0280
02:01-03:00, Tue., 03 Dec. 0.0305 0.0270 0.0283
01:01-02:00, Tue., 03 Dec. 0.0305 0.0263 0.0283
00:01-01:00, Tue., 03 Dec. 0.0303 0.0259 0.0285
23:01-24:00, Mon., 02 Dec. 0.0308 0.0260 0.0285
22:01-23:00, Mon., 02 Dec. 0.0305 0.0272 0.0287
21:01-22:00, Mon., 02 Dec. 0.0311 0.0272 0.0290
20:01-21:00, Mon., 02 Dec. 0.0314 0.0271 0.0289
19:01-20:00, Mon., 02 Dec. 0.0312 0.0269 0.0288
18:01-19:00, Mon., 02 Dec. 0.0305 0.0269 0.0287
17:01-18:00, Mon., 02 Dec. 0.0309 0.0272 0.0292
16:01-17:00, Mon., 02 Dec. 0.0316 0.0272 0.0296
15:01-16:00, Mon., 02 Dec. 0.0342 0.0292 0.0318
14:01-15:00, Mon., 02 Dec. 0.0405 0.0329 0.0358
13:01-14:00, Mon., 02 Dec. 0.0411 0.0350 0.0368
12:01-13:00, Mon., 02 Dec. 0.0381 0.0320 0.0349
11:01-12:00, Mon., 02 Dec. 0.0337 0.0287 0.0314
10:01-11:00, Mon., 02 Dec. 0.0327 0.0285 0.0303
09:01-10:00, Mon., 02 Dec. 0.0330 0.0283 0.0306
08:01-09:00, Mon., 02 Dec. 0.0346 0.0291 0.0315
07:01-08:00, Mon., 02 Dec. 0.0346 0.0291 0.0321
06:01-07:00, Mon., 02 Dec. 0.0324 0.0286 0.0305
05:01-06:00, Mon., 02 Dec. 0.0323 0.0277 0.0299
04:01-05:00, Mon., 02 Dec. 0.0312 0.0270 0.0297
03:01-04:00, Mon., 02 Dec. 0.0317 0.0278 0.0298
02:01-03:00, Mon., 02 Dec. 0.0316 0.0278 0.0296
01:01-02:00, Mon., 02 Dec. 0.0315 0.0273 0.0295
00:01-01:00, Mon., 02 Dec. 0.0318 0.0281 0.0298