Date: 9/29/2011 JST
By KAZUAKI NAGATA
Tokyo Electric Power Co. reported Wednesday that the bottom of all three crippled reactors' pressure vessels at its Fukushima No. 1 nuclear plant were now below 100 degrees — a collective first since the crisis erupted after the March 11 temblor-tsunami catastrophe.
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Editor's Note: I did confirm as below that the trend of the lower reactor (shown as "B" in the charts) temperature is trending down for the last 100 days.
Reactor 1 Snapshot (9/28/2011 3:40 PM CST)
Graph of the temperature of the reactor / Fukushima No. 1 nuclear power plant in the past 100 days
Location: Fukushima No. 1 nuclear power plant Date: March 11, 2011 (Friday) - 01 January 1970 (Thu) Latest value: A: 76 ° C. , B: 78.1 ° C.
Date A B 9 / 28 76 78.1 9 / 27 76.3 78.4 9 / 26 76.2 78.3 9 / 25 76.3 78.3 9 / 24 76.2 78.2 9 / 23 76.4 78.4 9 / 22 76.4 78.4 9 / 21 78.1 80.3 9 / 20 84.2 83 9 / 19 88.6 83.8 9 / 18 89.3 84.4 9 / 17 89.7 84.7 9 / 16 90.5 85.5 9 / 15 90.4 85.5 9 / 14 90.1 85.2 9 / 13 90.2 85.3 9 / 12 90.2 85.3 9 / 11 90.6 85.8 9 / 10 90.9 86 9 / 09 90.7 85.9 9 / 08 90.7 85.9 9 / 07 91.3 86.4 9 / 06 91.1 86.3 9 / 05 90.5 85.8 9 / 04 90.4 85.7 9 / 03 91.4 86.6 9 / 02 92.5 87.7 9 / 01 92.8 88 8 / 31 92.6 87.9 8 / 30 92.6 88 8 / 29 92.5 87.9 8 / 28 92.3 87.9 8 / 27 92.2 87.9 8 / 26 92.3 88.1 8 / 25 92.5 88.2 8 / 24 91.5 87.7 8 / 23 91 87.7 8 / 22 93.2 88.6 8 / 21 97.6 90.4 8 / 20 98.2 91 8 / 19 101.8 92.5 8 / 18 102.4 93 8 / 17 102.5 93.1 8 / 16 102.6 93.2 8 / 15 102.5 93.3 8 / 14 103.1 93.8 8 / 13 103.7 94.2 8 / 12 103.6 94.2 8 / 11 104.5 94.1 8 / 10 105 94.5 8 / 09 104.9 94.4 8 / 08 104.8 94.5 8 / 07 104.7 94.3 8 / 06 104.6 94.2 8 / 05 105 94.4 8 / 04 104.5 93.9 8 / 03 104.4 93.9 8 / 02 104 93.5 8 / 01 104.6 93.9 7 / 31 106 95 7 / 30 107.3 96.3 7 / 29 107.6 96.4 7 / 28 107.8 96.5 7 / 27 108.4 96.8 7 / 26 108.5 96.8 7 / 25 108.6 97 7 / 24 109.1 97.5 7 / 23 108.6 97.2 7 / 22 107.9 96.9 7 / 21 108 96.9 7 / 20 111 99.2 7 / 19 112.5 100.4 7 / 18 113.7 101.2 7 / 17 114.8 101.9 7 / 16 115 101.8 7 / 15 116.1 102.4 7 / 14 117 102.8 7 / 13 117.1 102.8 7 / 12 117 102.8 7 / 11 117.6 103 7 / 10 117.7 103 7 / 09 117.5 102.7 7 / 08 117.3 102.5 7 / 07 117.1 102.4 7 / 06 117.1 102.3 7 / 05 117.5 102.3 7 / 04 118 102.6 7 / 03 117.8 102.4 7 / 02 117.9 102.3 7 / 01 118.2 102.5 6 / 30 117.9 102.3 6 / 29 117.3 101.9 6 / 28 116.3 101.2 6 / 27 116.4 101.4 6 / 26 117.9 102.4 6 / 25 119 103.1 6 / 24 119.2 103.2 6 / 23 118.5 102.6 6 / 22 117.2 101.5 6 / 21 114.9 99.7 
NISA has been announced that the plant parameters (reactor state), the temperature of the reactor has been graphed.
You can check the daily water temperature, pressure and radiation dose of No. 1-5, Fukushima Daiichi nuclear power reactors.
As soon as the data is published and updated as the chart.
All information is automatically graphed the information that is published by CSV. No. 4 is the value of CSV information has not been published, not shown.
Meaning of the terms in the chart below. A reactor feedwater nozzle temperature ... B ... lower temperature pressure vessel design temperature of the reactor ※ (maximum temperature resistance) is indicated by a dotted line at 302.
※ The value of the graph shows the maximum absolute value of the day.
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