Measurement results by the hour (Chofu) 23 Dec., 2019 - 29 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., 29 Dec. 0.0304 0.0273 0.0286
22:01-23:00, Sun., 29 Dec. 0.0297 0.0266 0.0282
21:01-22:00, Sun., 29 Dec. 0.0311 0.0253 0.0280
20:01-21:00, Sun., 29 Dec. 0.0303 0.0261 0.0282
19:01-20:00, Sun., 29 Dec. 0.0296 0.0256 0.0276
18:01-19:00, Sun., 29 Dec. 0.0299 0.0265 0.0278
17:01-18:00, Sun., 29 Dec. 0.0293 0.0263 0.0277
16:01-17:00, Sun., 29 Dec. 0.0296 0.0254 0.0275
15:01-16:00, Sun., 29 Dec. 0.0295 0.0262 0.0277
14:01-15:00, Sun., 29 Dec. 0.0296 0.0254 0.0278
13:01-14:00, Sun., 29 Dec. 0.0298 0.0253 0.0278
12:01-13:00, Sun., 29 Dec. 0.0297 0.0264 0.0280
11:01-12:00, Sun., 29 Dec. 0.0305 0.0263 0.0282
10:01-11:00, Sun., 29 Dec. 0.0306 0.0266 0.0284
09:01-10:00, Sun., 29 Dec. 0.0302 0.0272 0.0286
08:01-09:00, Sun., 29 Dec. 0.0312 0.0278 0.0297
07:01-08:00, Sun., 29 Dec. 0.0318 0.0284 0.0302
06:01-07:00, Sun., 29 Dec. 0.0323 0.0284 0.0301
05:01-06:00, Sun., 29 Dec. 0.0318 0.0281 0.0296
04:01-05:00, Sun., 29 Dec. 0.0307 0.0273 0.0289
03:01-04:00, Sun., 29 Dec. 0.0312 0.0260 0.0284
02:01-03:00, Sun., 29 Dec. 0.0299 0.0258 0.0279
01:01-02:00, Sun., 29 Dec. 0.0307 0.0260 0.0278
00:01-01:00, Sun., 29 Dec. 0.0298 0.0259 0.0278
23:01-24:00, Sat., 28 Dec. 0.0295 0.0253 0.0278
22:01-23:00, Sat., 28 Dec. 0.0296 0.0257 0.0276
21:01-22:00, Sat., 28 Dec. 0.0295 0.0261 0.0275
20:01-21:00, Sat., 28 Dec. 0.0299 0.0252 0.0276
19:01-20:00, Sat., 28 Dec. 0.0297 0.0260 0.0276
18:01-19:00, Sat., 28 Dec. 0.0293 0.0263 0.0275
17:01-18:00, Sat., 28 Dec. 0.0287 0.0259 0.0273
16:01-17:00, Sat., 28 Dec. 0.0292 0.0252 0.0276
15:01-16:00, Sat., 28 Dec. 0.0288 0.0256 0.0275
14:01-15:00, Sat., 28 Dec. 0.0291 0.0251 0.0275
13:01-14:00, Sat., 28 Dec. 0.0296 0.0255 0.0277
12:01-13:00, Sat., 28 Dec. 0.0293 0.0259 0.0277
11:01-12:00, Sat., 28 Dec. 0.0309 0.0254 0.0276
10:01-11:00, Sat., 28 Dec. 0.0299 0.0255 0.0278
09:01-10:00, Sat., 28 Dec. 0.0297 0.0257 0.0274
08:01-09:00, Sat., 28 Dec. 0.0295 0.0255 0.0275
07:01-08:00, Sat., 28 Dec. 0.0293 0.0255 0.0277
06:01-07:00, Sat., 28 Dec. 0.0300 0.0249 0.0276
05:01-06:00, Sat., 28 Dec. 0.0296 0.0255 0.0278
04:01-05:00, Sat., 28 Dec. 0.0297 0.0266 0.0278
03:01-04:00, Sat., 28 Dec. 0.0300 0.0263 0.0281
02:01-03:00, Sat., 28 Dec. 0.0304 0.0257 0.0281
01:01-02:00, Sat., 28 Dec. 0.0301 0.0267 0.0282
00:01-01:00, Sat., 28 Dec. 0.0297 0.0262 0.0279
23:01-24:00, Fri., 27 Dec. 0.0302 0.0266 0.0281
22:01-23:00, Fri., 27 Dec. 0.0299 0.0261 0.0281
21:01-22:00, Fri., 27 Dec. 0.0317 0.0258 0.0280
20:01-21:00, Fri., 27 Dec. 0.0297 0.0256 0.0282
19:01-20:00, Fri., 27 Dec. 0.0300 0.0257 0.0281
18:01-19:00, Fri., 27 Dec. 0.0303 0.0266 0.0282
17:01-18:00, Fri., 27 Dec. 0.0310 0.0264 0.0285
16:01-17:00, Fri., 27 Dec. 0.0298 0.0266 0.0285
15:01-16:00, Fri., 27 Dec. 0.0299 0.0266 0.0282
14:01-15:00, Fri., 27 Dec. 0.0307 0.0260 0.0282
13:01-14:00, Fri., 27 Dec. 0.0308 0.0271 0.0287
12:01-13:00, Fri., 27 Dec. 0.0295 0.0263 0.0281
11:01-12:00, Fri., 27 Dec. 0.0307 0.0258 0.0281
10:01-11:00, Fri., 27 Dec. 0.0309 0.0277 0.0292
09:01-10:00, Fri., 27 Dec. 0.0307 0.0273 0.0289
08:01-09:00, Fri., 27 Dec. 0.0301 0.0271 0.0285
07:01-08:00, Fri., 27 Dec. 0.0306 0.0272 0.0286
06:01-07:00, Fri., 27 Dec. 0.0327 0.0278 0.0298
05:01-06:00, Fri., 27 Dec. 0.0357 0.0294 0.0329
04:01-05:00, Fri., 27 Dec. 0.0414 0.0334 0.0376
03:01-04:00, Fri., 27 Dec. 0.0393 0.0313 0.0349
02:01-03:00, Fri., 27 Dec. 0.0322 0.0275 0.0296
01:01-02:00, Fri., 27 Dec. 0.0313 0.0273 0.0291
00:01-01:00, Fri., 27 Dec. 0.0315 0.0270 0.0293
23:01-24:00, Thu., 26 Dec. 0.0310 0.0274 0.0291
22:01-23:00, Thu., 26 Dec. 0.0305 0.0263 0.0288
21:01-22:00, Thu., 26 Dec. 0.0306 0.0266 0.0289
20:01-21:00, Thu., 26 Dec. 0.0307 0.0272 0.0288
19:01-20:00, Thu., 26 Dec. 0.0310 0.0265 0.0288
18:01-19:00, Thu., 26 Dec. 0.0309 0.0267 0.0286
17:01-18:00, Thu., 26 Dec. 0.0306 0.0268 0.0286
16:01-17:00, Thu., 26 Dec. 0.0304 0.0266 0.0285
15:01-16:00, Thu., 26 Dec. 0.0307 0.0271 0.0291
14:01-15:00, Thu., 26 Dec. 0.0305 0.0271 0.0289
13:01-14:00, Thu., 26 Dec. 0.0301 0.0273 0.0287
12:01-13:00, Thu., 26 Dec. 0.0306 0.0268 0.0289
11:01-12:00, Thu., 26 Dec. 0.0319 0.0272 0.0293
10:01-11:00, Thu., 26 Dec. 0.0325 0.0279 0.0300
09:01-10:00, Thu., 26 Dec. 0.0334 0.0281 0.0311
08:01-09:00, Thu., 26 Dec. 0.0327 0.0281 0.0298
07:01-08:00, Thu., 26 Dec. 0.0308 0.0264 0.0291
06:01-07:00, Thu., 26 Dec. 0.0314 0.0271 0.0291
05:01-06:00, Thu., 26 Dec. 0.0316 0.0275 0.0291
04:01-05:00, Thu., 26 Dec. 0.0314 0.0273 0.0291
03:01-04:00, Thu., 26 Dec. 0.0315 0.0277 0.0296
02:01-03:00, Thu., 26 Dec. 0.0316 0.0274 0.0299
01:01-02:00, Thu., 26 Dec. 0.0316 0.0283 0.0298
00:01-01:00, Thu., 26 Dec. 0.0317 0.0284 0.0300
23:01-24:00, Wed., 25 Dec. 0.0312 0.0272 0.0292
22:01-23:00, Wed., 25 Dec. 0.0305 0.0271 0.0288
21:01-22:00, Wed., 25 Dec. 0.0310 0.0266 0.0284
20:01-21:00, Wed., 25 Dec. 0.0304 0.0264 0.0284
19:01-20:00, Wed., 25 Dec. 0.0304 0.0254 0.0280
18:01-19:00, Wed., 25 Dec. 0.0299 0.0257 0.0277
17:01-18:00, Wed., 25 Dec. 0.0307 0.0257 0.0278
16:01-17:00, Wed., 25 Dec. 0.0301 0.0259 0.0277
15:01-16:00, Wed., 25 Dec. 0.0296 0.0260 0.0279
14:01-15:00, Wed., 25 Dec. 0.0299 0.0259 0.0278
13:01-14:00, Wed., 25 Dec. 0.0296 0.0262 0.0277
12:01-13:00, Wed., 25 Dec. 0.0301 0.0262 0.0282
11:01-12:00, Wed., 25 Dec. 0.0306 0.0258 0.0280
10:01-11:00, Wed., 25 Dec. 0.0304 0.0258 0.0281
09:01-10:00, Wed., 25 Dec. 0.0300 0.0259 0.0283
08:01-09:00, Wed., 25 Dec. 0.0302 0.0271 0.0286
07:01-08:00, Wed., 25 Dec. 0.0300 0.0258 0.0283
06:01-07:00, Wed., 25 Dec. 0.0302 0.0264 0.0283
05:01-06:00, Wed., 25 Dec. 0.0296 0.0264 0.0279
04:01-05:00, Wed., 25 Dec. 0.0298 0.0261 0.0279
03:01-04:00, Wed., 25 Dec. 0.0297 0.0254 0.0277
02:01-03:00, Wed., 25 Dec. 0.0293 0.0248 0.0278
01:01-02:00, Wed., 25 Dec. 0.0292 0.0260 0.0276
00:01-01:00, Wed., 25 Dec. 0.0296 0.0262 0.0277
23:01-24:00, Tue., 24 Dec. 0.0301 0.0258 0.0277
22:01-23:00, Tue., 24 Dec. 0.0297 0.0256 0.0277
21:01-22:00, Tue., 24 Dec. 0.0297 0.0255 0.0274
20:01-21:00, Tue., 24 Dec. 0.0295 0.0256 0.0276
19:01-20:00, Tue., 24 Dec. 0.0297 0.0258 0.0275
18:01-19:00, Tue., 24 Dec. 0.0294 0.0260 0.0279
17:01-18:00, Tue., 24 Dec. 0.0296 0.0258 0.0275
16:01-17:00, Tue., 24 Dec. 0.0295 0.0253 0.0275
15:01-16:00, Tue., 24 Dec. 0.0293 0.0249 0.0273
14:01-15:00, Tue., 24 Dec. 0.0297 0.0255 0.0275
13:01-14:00, Tue., 24 Dec. 0.0288 0.0256 0.0273
12:01-13:00, Tue., 24 Dec. 0.0295 0.0262 0.0276
11:01-12:00, Tue., 24 Dec. 0.0295 0.0254 0.0278
10:01-11:00, Tue., 24 Dec. 0.0298 0.0264 0.0280
09:01-10:00, Tue., 24 Dec. 0.0298 0.0263 0.0280
08:01-09:00, Tue., 24 Dec. 0.0291 0.0259 0.0277
07:01-08:00, Tue., 24 Dec. 0.0298 0.0260 0.0278
06:01-07:00, Tue., 24 Dec. 0.0296 0.0257 0.0278
05:01-06:00, Tue., 24 Dec. 0.0302 0.0262 0.0279
04:01-05:00, Tue., 24 Dec. 0.0302 0.0264 0.0279
03:01-04:00, Tue., 24 Dec. 0.0317 0.0270 0.0286
02:01-03:00, Tue., 24 Dec. 0.0320 0.0267 0.0296
01:01-02:00, Tue., 24 Dec. 0.0316 0.0276 0.0295
00:01-01:00, Tue., 24 Dec. 0.0318 0.0268 0.0293
23:01-24:00, Mon., 23 Dec. 0.0313 0.0272 0.0292
22:01-23:00, Mon., 23 Dec. 0.0305 0.0263 0.0283
21:01-22:00, Mon., 23 Dec. 0.0305 0.0261 0.0278
20:01-21:00, Mon., 23 Dec. 0.0297 0.0256 0.0275
19:01-20:00, Mon., 23 Dec. 0.0290 0.0246 0.0271
18:01-19:00, Mon., 23 Dec. 0.0290 0.0256 0.0272
17:01-18:00, Mon., 23 Dec. 0.0295 0.0255 0.0271
16:01-17:00, Mon., 23 Dec. 0.0290 0.0254 0.0268
15:01-16:00, Mon., 23 Dec. 0.0287 0.0257 0.0272
14:01-15:00, Mon., 23 Dec. 0.0287 0.0257 0.0273
13:01-14:00, Mon., 23 Dec. 0.0293 0.0252 0.0274
12:01-13:00, Mon., 23 Dec. 0.0290 0.0253 0.0273
11:01-12:00, Mon., 23 Dec. 0.0301 0.0265 0.0279
10:01-11:00, Mon., 23 Dec. 0.0305 0.0260 0.0283
09:01-10:00, Mon., 23 Dec. 0.0302 0.0257 0.0280
08:01-09:00, Mon., 23 Dec. 0.0300 0.0258 0.0280
07:01-08:00, Mon., 23 Dec. 0.0303 0.0263 0.0281
06:01-07:00, Mon., 23 Dec. 0.0337 0.0277 0.0301
05:01-06:00, Mon., 23 Dec. 0.0443 0.0315 0.0366
04:01-05:00, Mon., 23 Dec. 0.0505 0.0414 0.0461
03:01-04:00, Mon., 23 Dec. 0.0584 0.0451 0.0525
02:01-03:00, Mon., 23 Dec. 0.0575 0.0511 0.0548
01:01-02:00, Mon., 23 Dec. 0.0559 0.0454 0.0505
00:01-01:00, Mon., 23 Dec. 0.0511 0.0437 0.0478