Measurement results by the hour (Chofu) 9 Dec., 2019 - 15 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., 15 Dec. 0.0298 0.0258 0.0280
22:01-23:00, Sun., 15 Dec. 0.0307 0.0264 0.0283
21:01-22:00, Sun., 15 Dec. 0.0304 0.0255 0.0281
20:01-21:00, Sun., 15 Dec. 0.0314 0.0259 0.0280
19:01-20:00, Sun., 15 Dec. 0.0298 0.0261 0.0279
18:01-19:00, Sun., 15 Dec. 0.0287 0.0251 0.0274
17:01-18:00, Sun., 15 Dec. 0.0294 0.0257 0.0277
16:01-17:00, Sun., 15 Dec. 0.0294 0.0251 0.0278
15:01-16:00, Sun., 15 Dec. 0.0293 0.0256 0.0274
14:01-15:00, Sun., 15 Dec. 0.0299 0.0259 0.0276
13:01-14:00, Sun., 15 Dec. 0.0296 0.0256 0.0279
12:01-13:00, Sun., 15 Dec. 0.0302 0.0251 0.0278
11:01-12:00, Sun., 15 Dec. 0.0299 0.0261 0.0276
10:01-11:00, Sun., 15 Dec. 0.0303 0.0257 0.0276
09:01-10:00, Sun., 15 Dec. 0.0296 0.0260 0.0279
08:01-09:00, Sun., 15 Dec. 0.0301 0.0258 0.0278
07:01-08:00, Sun., 15 Dec. 0.0302 0.0265 0.0279
06:01-07:00, Sun., 15 Dec. 0.0298 0.0264 0.0281
05:01-06:00, Sun., 15 Dec. 0.0306 0.0260 0.0279
04:01-05:00, Sun., 15 Dec. 0.0301 0.0267 0.0282
03:01-04:00, Sun., 15 Dec. 0.0310 0.0261 0.0281
02:01-03:00, Sun., 15 Dec. 0.0294 0.0266 0.0281
01:01-02:00, Sun., 15 Dec. 0.0300 0.0265 0.0284
00:01-01:00, Sun., 15 Dec. 0.0297 0.0260 0.0284
23:01-24:00, Sat., 14 Dec. 0.0301 0.0266 0.0285
22:01-23:00, Sat., 14 Dec. 0.0300 0.0262 0.0283
21:01-22:00, Sat., 14 Dec. 0.0302 0.0264 0.0284
20:01-21:00, Sat., 14 Dec. 0.0305 0.0264 0.0278
19:01-20:00, Sat., 14 Dec. 0.0301 0.0263 0.0281
18:01-19:00, Sat., 14 Dec. 0.0306 0.0261 0.0282
17:01-18:00, Sat., 14 Dec. 0.0298 0.0262 0.0284
16:01-17:00, Sat., 14 Dec. 0.0306 0.0251 0.0279
15:01-16:00, Sat., 14 Dec. 0.0294 0.0256 0.0273
14:01-15:00, Sat., 14 Dec. 0.0297 0.0260 0.0278
13:01-14:00, Sat., 14 Dec. 0.0296 0.0254 0.0276
12:01-13:00, Sat., 14 Dec. 0.0304 0.0269 0.0289
11:01-12:00, Sat., 14 Dec. 0.0314 0.0276 0.0295
10:01-11:00, Sat., 14 Dec. 0.0318 0.0281 0.0296
09:01-10:00, Sat., 14 Dec. 0.0322 0.0282 0.0302
08:01-09:00, Sat., 14 Dec. 0.0337 0.0287 0.0312
07:01-08:00, Sat., 14 Dec. 0.0330 0.0292 0.0310
06:01-07:00, Sat., 14 Dec. 0.0322 0.0287 0.0308
05:01-06:00, Sat., 14 Dec. 0.0323 0.0277 0.0301
04:01-05:00, Sat., 14 Dec. 0.0313 0.0275 0.0292
03:01-04:00, Sat., 14 Dec. 0.0311 0.0272 0.0291
02:01-03:00, Sat., 14 Dec. 0.0310 0.0271 0.0289
01:01-02:00, Sat., 14 Dec. 0.0301 0.0261 0.0284
00:01-01:00, Sat., 14 Dec. 0.0310 0.0270 0.0285
23:01-24:00, Fri., 13 Dec. 0.0304 0.0260 0.0283
22:01-23:00, Fri., 13 Dec. 0.0305 0.0265 0.0285
21:01-22:00, Fri., 13 Dec. 0.0297 0.0256 0.0281
20:01-21:00, Fri., 13 Dec. 0.0299 0.0262 0.0280
19:01-20:00, Fri., 13 Dec. 0.0308 0.0260 0.0280
18:01-19:00, Fri., 13 Dec. 0.0300 0.0256 0.0279
17:01-18:00, Fri., 13 Dec. 0.0298 0.0257 0.0278
16:01-17:00, Fri., 13 Dec. 0.0292 0.0258 0.0275
15:01-16:00, Fri., 13 Dec. 0.0297 0.0253 0.0278
14:01-15:00, Fri., 13 Dec. 0.0294 0.0261 0.0276
13:01-14:00, Fri., 13 Dec. 0.0298 0.0262 0.0279
12:01-13:00, Fri., 13 Dec. 0.0296 0.0257 0.0278
11:01-12:00, Fri., 13 Dec. 0.0300 0.0248 0.0278
10:01-11:00, Fri., 13 Dec. 0.0295 0.0262 0.0278
09:01-10:00, Fri., 13 Dec. 0.0294 0.0260 0.0278
08:01-09:00, Fri., 13 Dec. 0.0301 0.0256 0.0276
07:01-08:00, Fri., 13 Dec. 0.0300 0.0260 0.0280
06:01-07:00, Fri., 13 Dec. 0.0295 0.0254 0.0279
05:01-06:00, Fri., 13 Dec. 0.0295 0.0263 0.0281
04:01-05:00, Fri., 13 Dec. 0.0296 0.0259 0.0280
03:01-04:00, Fri., 13 Dec. 0.0307 0.0255 0.0283
02:01-03:00, Fri., 13 Dec. 0.0300 0.0264 0.0280
01:01-02:00, Fri., 13 Dec. 0.0301 0.0263 0.0282
00:01-01:00, Fri., 13 Dec. 0.0301 0.0258 0.0282
23:01-24:00, Thu., 12 Dec. 0.0300 0.0262 0.0283
22:01-23:00, Thu., 12 Dec. 0.0309 0.0271 0.0285
21:01-22:00, Thu., 12 Dec. 0.0314 0.0262 0.0287
20:01-21:00, Thu., 12 Dec. 0.0311 0.0268 0.0288
19:01-20:00, Thu., 12 Dec. 0.0311 0.0267 0.0289
18:01-19:00, Thu., 12 Dec. 0.0307 0.0266 0.0286
17:01-18:00, Thu., 12 Dec. 0.0317 0.0269 0.0285
16:01-17:00, Thu., 12 Dec. 0.0298 0.0260 0.0279
15:01-16:00, Thu., 12 Dec. 0.0300 0.0257 0.0278
14:01-15:00, Thu., 12 Dec. 0.0296 0.0255 0.0278
13:01-14:00, Thu., 12 Dec. 0.0298 0.0259 0.0279
12:01-13:00, Thu., 12 Dec. 0.0300 0.0255 0.0280
11:01-12:00, Thu., 12 Dec. 0.0301 0.0266 0.0282
10:01-11:00, Thu., 12 Dec. 0.0307 0.0265 0.0289
09:01-10:00, Thu., 12 Dec. 0.0319 0.0267 0.0296
08:01-09:00, Thu., 12 Dec. 0.0316 0.0278 0.0296
07:01-08:00, Thu., 12 Dec. 0.0312 0.0272 0.0293
06:01-07:00, Thu., 12 Dec. 0.0311 0.0274 0.0294
05:01-06:00, Thu., 12 Dec. 0.0311 0.0277 0.0295
04:01-05:00, Thu., 12 Dec. 0.0314 0.0278 0.0294
03:01-04:00, Thu., 12 Dec. 0.0306 0.0271 0.0293
02:01-03:00, Thu., 12 Dec. 0.0304 0.0267 0.0287
01:01-02:00, Thu., 12 Dec. 0.0310 0.0265 0.0289
00:01-01:00, Thu., 12 Dec. 0.0309 0.0263 0.0284
23:01-24:00, Wed., 11 Dec. 0.0301 0.0265 0.0283
22:01-23:00, Wed., 11 Dec. 0.0297 0.0265 0.0282
21:01-22:00, Wed., 11 Dec. 0.0297 0.0259 0.0278
20:01-21:00, Wed., 11 Dec. 0.0298 0.0258 0.0279
19:01-20:00, Wed., 11 Dec. 0.0305 0.0262 0.0284
18:01-19:00, Wed., 11 Dec. 0.0305 0.0265 0.0289
17:01-18:00, Wed., 11 Dec. 0.0300 0.0260 0.0278
16:01-17:00, Wed., 11 Dec. 0.0303 0.0258 0.0277
15:01-16:00, Wed., 11 Dec. 0.0296 0.0256 0.0275
14:01-15:00, Wed., 11 Dec. 0.0294 0.0254 0.0274
13:01-14:00, Wed., 11 Dec. 0.0296 0.0253 0.0271
12:01-13:00, Wed., 11 Dec. 0.0292 0.0249 0.0274
11:01-12:00, Wed., 11 Dec. 0.0300 0.0259 0.0281
10:01-11:00, Wed., 11 Dec. 0.0302 0.0258 0.0278
09:01-10:00, Wed., 11 Dec. 0.0313 0.0272 0.0293
08:01-09:00, Wed., 11 Dec. 0.0325 0.0264 0.0304
07:01-08:00, Wed., 11 Dec. 0.0337 0.0284 0.0303
06:01-07:00, Wed., 11 Dec. 0.0325 0.0289 0.0302
05:01-06:00, Wed., 11 Dec. 0.0324 0.0288 0.0301
04:01-05:00, Wed., 11 Dec. 0.0315 0.0280 0.0296
03:01-04:00, Wed., 11 Dec. 0.0316 0.0275 0.0298
02:01-03:00, Wed., 11 Dec. 0.0312 0.0273 0.0294
01:01-02:00, Wed., 11 Dec. 0.0315 0.0277 0.0296
00:01-01:00, Wed., 11 Dec. 0.0314 0.0273 0.0295
23:01-24:00, Tue., 10 Dec. 0.0308 0.0275 0.0291
22:01-23:00, Tue., 10 Dec. 0.0301 0.0267 0.0284
21:01-22:00, Tue., 10 Dec. 0.0310 0.0263 0.0277
20:01-21:00, Tue., 10 Dec. 0.0298 0.0261 0.0278
19:01-20:00, Tue., 10 Dec. 0.0301 0.0256 0.0278
18:01-19:00, Tue., 10 Dec. 0.0296 0.0263 0.0278
17:01-18:00, Tue., 10 Dec. 0.0291 0.0254 0.0275
16:01-17:00, Tue., 10 Dec. 0.0298 0.0252 0.0278
15:01-16:00, Tue., 10 Dec. 0.0292 0.0265 0.0278
14:01-15:00, Tue., 10 Dec. 0.0295 0.0258 0.0277
13:01-14:00, Tue., 10 Dec. 0.0296 0.0262 0.0278
12:01-13:00, Tue., 10 Dec. 0.0301 0.0261 0.0279
11:01-12:00, Tue., 10 Dec. 0.0297 0.0261 0.0279
10:01-11:00, Tue., 10 Dec. 0.0300 0.0256 0.0281
09:01-10:00, Tue., 10 Dec. 0.0297 0.0268 0.0283
08:01-09:00, Tue., 10 Dec. 0.0310 0.0265 0.0283
07:01-08:00, Tue., 10 Dec. 0.0299 0.0260 0.0282
06:01-07:00, Tue., 10 Dec. 0.0313 0.0270 0.0291
05:01-06:00, Tue., 10 Dec. 0.0328 0.0273 0.0305
04:01-05:00, Tue., 10 Dec. 0.0367 0.0297 0.0326
03:01-04:00, Tue., 10 Dec. 0.0427 0.0326 0.0373
02:01-03:00, Tue., 10 Dec. 0.0409 0.0350 0.0376
01:01-02:00, Tue., 10 Dec. 0.0422 0.0348 0.0378
00:01-01:00, Tue., 10 Dec. 0.0407 0.0346 0.0367
23:01-24:00, Mon., 09 Dec. 0.0392 0.0330 0.0358
22:01-23:00, Mon., 09 Dec. 0.0409 0.0344 0.0368
21:01-22:00, Mon., 09 Dec. 0.0394 0.0321 0.0346
20:01-21:00, Mon., 09 Dec. 0.0355 0.0299 0.0329
19:01-20:00, Mon., 09 Dec. 0.0314 0.0270 0.0290
18:01-19:00, Mon., 09 Dec. 0.0301 0.0266 0.0282
17:01-18:00, Mon., 09 Dec. 0.0300 0.0263 0.0283
16:01-17:00, Mon., 09 Dec. 0.0305 0.0267 0.0285
15:01-16:00, Mon., 09 Dec. 0.0309 0.0254 0.0285
14:01-15:00, Mon., 09 Dec. 0.0312 0.0273 0.0288
13:01-14:00, Mon., 09 Dec. 0.0314 0.0272 0.0291
12:01-13:00, Mon., 09 Dec. 0.0318 0.0277 0.0295
11:01-12:00, Mon., 09 Dec. 0.0312 0.0271 0.0291
10:01-11:00, Mon., 09 Dec. 0.0317 0.0272 0.0293
09:01-10:00, Mon., 09 Dec. 0.0316 0.0265 0.0294
08:01-09:00, Mon., 09 Dec. 0.0317 0.0278 0.0295
07:01-08:00, Mon., 09 Dec. 0.0311 0.0277 0.0292
06:01-07:00, Mon., 09 Dec. 0.0316 0.0277 0.0295
05:01-06:00, Mon., 09 Dec. 0.0316 0.0277 0.0294
04:01-05:00, Mon., 09 Dec. 0.0308 0.0272 0.0291
03:01-04:00, Mon., 09 Dec. 0.0311 0.0269 0.0289
02:01-03:00, Mon., 09 Dec. 0.0310 0.0269 0.0286
01:01-02:00, Mon., 09 Dec. 0.0310 0.0268 0.0286
00:01-01:00, Mon., 09 Dec. 0.0299 0.0270 0.0284