| McNary Dam forebay on Columbia R. (MCNA) | McNary Dam tailwater on Columbia R. (MCPW) | John Day Dam forebay (JDY) | John Day Dam tailwater (JHAW) | The Dalles Dam forebay on Columbia R. (TDA) | The Dalles tailwater Downstream (TDDO) | Bonneville Dam forebay (BON) | Cascade Island (CCIW) | Warrendale (WRNO) | Camas / Washougal (CWMW) | |||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Date | Min | Avg | Max | >68 | Min | Avg | Max | >68 | Min | Avg | Max | >68 | Min | Avg | Max | >68 | Min | Avg | Max | >68 | Min | Avg | Max | >68 | Min | Avg | Max | >68 | Min | Avg | Max | >68 | Min | Avg | Max | >68 | Min | Avg | Max | >68 |
| Aug 1 | 66.8 | 67.0 | 67.4 | 0/24 | 67.0 | 67.3 | 67.6 | 0/24 | 67.8 | 67.9 | 68.1 | 7/24 | 67.9 | 68.0 | 68.1 | 14/24 | 67.8 | 68.2 | 68.6 | 16/24 | 67.8 | 68.2 | 68.6 | 15/24 | 67.2 | 67.4 | 67.7 | 0/24 | 67.3 | 67.4 | 67.8 | 0/24 | --- | --- | --- | 0/0 | 67.5 | 67.9 | 68.8 | 9/24 |
| Aug 2 | 67.0 | 67.2 | 67.4 | 0/24 | 67.0 | 67.4 | 67.6 | 0/24 | 67.8 | 68.0 | 68.2 | 11/24 | 67.9 | 68.0 | 68.1 | 14/24 | 67.8 | 68.0 | 68.4 | 13/24 | 67.9 | 68.1 | 68.4 | 16/24 | 67.1 | 67.3 | 67.4 | 0/24 | 67.1 | 67.3 | 67.4 | 0/24 | --- | --- | --- | 0/0 | 66.7 | 67.2 | 67.8 | 0/24 |
| Aug 3 | 67.4 | 67.6 | 67.7 | 0/24 | 67.4 | 67.8 | 68.3 | 10/24 | 67.8 | 68.1 | 68.7 | 12/24 | 67.9 | 68.1 | 68.4 | 14/24 | 67.4 | 67.7 | 68.1 | 2/24 | 67.5 | 67.8 | 68.1 | 7/24 | 67.0 | 67.3 | 67.7 | 0/24 | 67.1 | 67.3 | 67.8 | 0/24 | --- | --- | --- | 0/0 | 66.5 | 67.2 | 68.2 | 4/24 |
| Aug 4 | 67.5 | 67.9 | 68.4 | 8/24 | 67.7 | 68.2 | 68.5 | 16/24 | 68.2 | 68.4 | 68.8 | 24/24 | 68.2 | 68.4 | 68.6 | 24/24 | 67.7 | 68.2 | 68.9 | 15/24 | 67.7 | 68.3 | 68.9 | 13/24 | 67.3 | 67.7 | 68.1 | 4/24 | 67.4 | 67.7 | 68.2 | 4/24 | --- | --- | --- | 0/0 | 67.2 | 68.1 | 69.2 | 9/24 |
| Aug 5 | 67.9 | 68.6 | 70.0 | 23/24 | 68.3 | 68.6 | 69.0 | 24/24 | 68.7 | 69.4 | 70.5 | 24/24 | 68.7 | 69.0 | 69.4 | 24/24 | 68.4 | 68.8 | 69.2 | 24/24 | 68.5 | 68.9 | 69.5 | 24/24 | 68.0 | 68.3 | 68.7 | 21/24 | 68.0 | 68.3 | 68.7 | 23/24 | --- | --- | --- | 0/0 | 67.9 | 68.9 | 69.8 | 23/24 |
| Aug 6 | 68.4 | 68.6 | 68.8 | 24/24 | 68.5 | 68.7 | 68.9 | 24/24 | 69.0 | 69.5 | 70.4 | 24/24 | 68.8 | 69.1 | 69.4 | 24/24 | 68.7 | 69.1 | 69.3 | 24/24 | 68.8 | 69.1 | 69.5 | 24/24 | 68.3 | 68.5 | 68.8 | 24/24 | 68.4 | 68.6 | 68.9 | 24/24 | --- | --- | --- | 0/0 | 68.7 | 69.2 | 69.8 | 24/24 |
| Aug 7 | 68.5 | 68.8 | 69.1 | 24/24 | 68.6 | 68.8 | 69.0 | 24/24 | 69.1 | 69.4 | 69.6 | 24/24 | 69.0 | 69.1 | 69.2 | 24/24 | 69.0 | 69.1 | 69.3 | 24/24 | 69.1 | 69.3 | 69.5 | 24/24 | 68.7 | 69.0 | 69.4 | 24/24 | 68.8 | 69.0 | 69.5 | 24/24 | --- | --- | --- | 0/0 | 68.3 | 69.2 | 70.2 | 24/24 |
| Aug 8 | 68.7 | 69.0 | 69.3 | 24/24 | 68.9 | 69.1 | 69.5 | 24/24 | 68.9 | 69.1 | 69.3 | 24/24 | 68.9 | 69.0 | 69.0 | 24/24 | 69.0 | 69.3 | 69.7 | 24/24 | 69.1 | 69.4 | 69.7 | 24/24 | 68.8 | 69.1 | 69.4 | 24/24 | 68.9 | 69.1 | 69.4 | 24/24 | --- | --- | --- | 0/0 | 68.7 | 69.3 | 69.9 | 24/24 |
| Aug 9 | 68.7 | 68.9 | 69.0 | 24/24 | 68.7 | 68.9 | 69.0 | 24/24 | 68.7 | 68.9 | 69.0 | 24/24 | 68.8 | 68.9 | 69.0 | 24/24 | 68.8 | 69.1 | 69.4 | 24/24 | 69.1 | 69.3 | 69.4 | 24/24 | 68.9 | 69.1 | 69.4 | 24/24 | 69.0 | 69.1 | 69.4 | 24/24 | --- | --- | --- | 0/0 | 68.7 | 69.2 | 69.6 | 24/24 |
| Aug 10 | 68.8 | 69.0 | 69.1 | 24/24 | 68.8 | 69.0 | 69.3 | 24/24 | 68.7 | 68.8 | 69.0 | 24/24 | 68.8 | 68.9 | 69.0 | 24/24 | 68.5 | 68.7 | 69.1 | 24/24 | 68.5 | 68.8 | 69.0 | 24/24 | 68.5 | 68.8 | 69.1 | 24/24 | 68.6 | 68.8 | 69.1 | 24/24 | --- | --- | --- | 0/0 | 68.6 | 69.3 | 69.9 | 24/24 |
| Aug 11 | 68.7 | 68.9 | 69.1 | 24/24 | 68.8 | 69.0 | 69.3 | 24/24 | 68.8 | 69.0 | 69.2 | 24/24 | 68.9 | 69.0 | 69.2 | 24/24 | 68.5 | 68.8 | 69.4 | 24/24 | 68.5 | 68.9 | 69.3 | 24/24 | 68.6 | 68.9 | 69.4 | 24/24 | 68.6 | 69.0 | 69.5 | 24/24 | --- | --- | --- | 0/0 | 69.1 | 69.7 | 70.3 | 24/24 |
| Aug 12 | 68.7 | 68.8 | 69.3 | 24/24 | 68.9 | 69.1 | 69.3 | 24/24 | 69.2 | 69.3 | 69.6 | 24/24 | 69.1 | 69.3 | 69.5 | 24/24 | 69.0 | 69.4 | 69.9 | 24/24 | 69.0 | 69.4 | 69.8 | 24/24 | 69.0 | 69.3 | 69.5 | 24/24 | 69.1 | 69.3 | 69.5 | 24/24 | --- | --- | --- | 0/0 | 69.3 | 70.0 | 70.7 | 24/24 |
| Aug 13 | 68.6 | 68.9 | 69.3 | 24/24 | 68.9 | 69.2 | 69.5 | 24/24 | 69.2 | 69.5 | 69.9 | 24/24 | 69.4 | 69.6 | 69.9 | 24/24 | 69.3 | 69.6 | 69.9 | 24/24 | 69.3 | 69.7 | 70.0 | 24/24 | 68.9 | 69.2 | 69.7 | 24/24 | 69.0 | 69.3 | 69.7 | 24/24 | --- | --- | --- | 0/0 | 69.6 | 70.2 | 70.9 | 24/24 |
| Aug 14 | 68.9 | 69.4 | 69.8 | 24/24 | 69.4 | 69.7 | 70.1 | 24/24 | 69.7 | 70.3 | 72.4 | 24/24 | 69.7 | 70.1 | 70.9 | 24/24 | 69.5 | 70.0 | 70.5 | 24/24 | 69.6 | 70.1 | 70.7 | 24/24 | 69.3 | 69.6 | 70.1 | 24/24 | 69.3 | 69.7 | 70.2 | 24/24 | --- | --- | --- | 0/0 | 69.6 | 70.4 | 71.1 | 24/24 |
| Aug 15 | 69.2 | 69.7 | 70.1 | 24/24 | 69.6 | 70.0 | 70.3 | 24/24 | 70.7 | 71.4 | 72.3 | 24/24 | 70.5 | 70.7 | 71.0 | 24/24 | 70.1 | 70.5 | 71.0 | 24/24 | 70.2 | 70.6 | 71.1 | 24/24 | 70.0 | 70.3 | 70.7 | 24/24 | 70.0 | 70.3 | 70.7 | 24/24 | --- | --- | --- | 0/0 | 70.0 | 70.9 | 71.6 | 24/24 |
| Aug 16 | 69.6 | 70.1 | 70.8 | 24/24 | 70.2 | 70.4 | 70.8 | 24/24 | 71.2 | 71.6 | 72.2 | 24/24 | 70.5 | 70.8 | 71.1 | 24/24 | 70.7 | 71.2 | 71.6 | 24/24 | 70.8 | 71.3 | 71.9 | 24/24 | 70.4 | 70.7 | 71.2 | 24/24 | 70.5 | 70.8 | 71.2 | 24/24 | --- | --- | --- | 0/0 | 70.9 | 71.6 | 72.3 | 24/24 |
| Aug 17 | 70.3 | 70.8 | 71.1 | 24/24 | 70.5 | 70.8 | 71.2 | 24/24 | 71.4 | 72.3 | 73.1 | 24/24 | 70.8 | 71.1 | 71.5 | 24/24 | 71.0 | 71.3 | 71.9 | 24/24 | 71.2 | 71.5 | 71.8 | 24/24 | 71.1 | 71.2 | 71.4 | 24/24 | 71.2 | 71.3 | 71.4 | 24/24 | --- | --- | --- | 0/0 | 71.5 | 71.9 | 72.3 | 24/24 |
| Aug 18 | 70.3 | 70.9 | 71.5 | 24/24 | 70.4 | 70.9 | 71.2 | 24/24 | 70.2 | 70.9 | 71.4 | 24/24 | 70.3 | 70.5 | 70.7 | 24/24 | 71.1 | 71.3 | 71.5 | 24/24 | 71.2 | 71.4 | 71.7 | 24/24 | 70.9 | 71.0 | 71.2 | 24/24 | 70.9 | 71.1 | 71.3 | 24/24 | --- | --- | --- | 0/0 | 70.8 | 71.2 | 71.8 | 24/24 |
| Aug 19 | 70.4 | 70.6 | 70.9 | 24/24 | 70.5 | 70.6 | 70.7 | 24/24 | 71.0 | 71.4 | 71.7 | 24/24 | 70.6 | 70.9 | 71.2 | 24/24 | 70.2 | 70.4 | 71.0 | 24/24 | 70.3 | 70.7 | 71.2 | 24/24 | 70.7 | 70.8 | 70.9 | 24/24 | 70.7 | 70.8 | 70.9 | 24/24 | --- | --- | --- | 0/0 | 70.2 | 70.7 | 71.1 | 24/24 |
| Aug 20 | 70.6 | 70.8 | 70.9 | 24/24 | 70.6 | 70.7 | 70.9 | 24/24 | 71.3 | 71.4 | 71.6 | 24/24 | 71.2 | 71.2 | 71.3 | 24/24 | 70.2 | 70.5 | 70.9 | 24/24 | 70.2 | 70.4 | 70.8 | 24/24 | 70.2 | 70.5 | 70.8 | 24/24 | 70.3 | 70.5 | 70.8 | 24/24 | --- | --- | --- | 0/0 | 70.3 | 70.6 | 71.0 | 24/24 |
| Aug 21 | 70.3 | 70.5 | 70.7 | 24/24 | 70.2 | 70.5 | 70.6 | 24/24 | 70.9 | 71.0 | 71.3 | 24/24 | 71.0 | 71.0 | 71.2 | 24/24 | 70.2 | 70.5 | 70.7 | 24/24 | 70.5 | 70.6 | 70.7 | 24/24 | 69.8 | 70.0 | 70.2 | 24/24 | 69.8 | 70.0 | 70.3 | 24/24 | --- | --- | --- | 0/0 | 69.2 | 69.7 | 70.3 | 24/24 |
| Aug 22 | 69.5 | 69.9 | 70.3 | 24/24 | 69.7 | 70.0 | 70.2 | 24/24 | 70.8 | 71.0 | 71.3 | 24/24 | 70.9 | 71.1 | 71.3 | 24/24 | 69.9 | 70.1 | 70.4 | 24/24 | 69.9 | 70.3 | 70.6 | 24/24 | 69.0 | 69.3 | 69.9 | 24/24 | 69.0 | 69.3 | 69.9 | 24/24 | --- | --- | --- | 0/0 | 68.7 | 69.6 | 70.3 | 24/24 |
| Aug 23 | 69.3 | 69.6 | 70.3 | 24/24 | 69.6 | 69.8 | 70.1 | 24/24 | 71.1 | 71.3 | 71.7 | 24/24 | 71.0 | 71.2 | 71.4 | 24/24 | 70.3 | 70.7 | 71.2 | 24/24 | 70.2 | 70.8 | 71.4 | 24/24 | 69.3 | 69.6 | 70.3 | 24/24 | 69.2 | 69.6 | 70.3 | 24/24 | --- | --- | --- | 0/0 | 68.8 | 69.6 | 70.2 | 24/24 |
| Aug 24 | 68.7 | 69.1 | 69.7 | 24/24 | 68.8 | 69.2 | 69.5 | 24/24 | 70.9 | 71.2 | 71.4 | 24/24 | 71.0 | 71.1 | 71.3 | 24/24 | 70.8 | 71.1 | 71.5 | 24/24 | 70.8 | 71.2 | 71.5 | 24/24 | 70.2 | 70.3 | 70.5 | 24/24 | 70.1 | 70.3 | 70.5 | 24/24 | --- | --- | --- | 0/0 | 69.4 | 70.3 | 71.2 | 24/24 |
| Aug 25 | 68.7 | 69.0 | 69.2 | 24/24 | 68.8 | 68.9 | 69.1 | 24/24 | 70.6 | 70.8 | 70.9 | 24/24 | 70.7 | 70.9 | 71.0 | 24/24 | 70.2 | 70.7 | 70.9 | 24/24 | 70.5 | 70.9 | 71.2 | 24/24 | 70.1 | 70.2 | 70.5 | 24/24 | 70.1 | 70.2 | 70.5 | 24/24 | --- | --- | --- | 0/0 | 69.7 | 70.3 | 71.0 | 24/24 |
| Aug 26 | 68.6 | 68.7 | 69.0 | 24/24 | 68.6 | 68.8 | 69.0 | 24/24 | 70.4 | 70.5 | 70.6 | 24/24 | 70.3 | 70.6 | 70.7 | 24/24 | 69.7 | 69.9 | 70.2 | 24/24 | 69.9 | 70.2 | 70.4 | 24/24 | 69.8 | 70.0 | 70.2 | 24/24 | 69.7 | 69.9 | 70.1 | 24/24 | --- | --- | --- | 0/0 | 69.2 | 70.1 | 70.8 | 24/24 |
| Aug 27 | 68.6 | 68.7 | 68.8 | 24/24 | 68.5 | 68.7 | 68.8 | 24/24 | 69.9 | 70.1 | 70.4 | 24/24 | 69.9 | 70.1 | 70.3 | 24/24 | 69.6 | 69.9 | 70.2 | 24/24 | 69.5 | 69.8 | 70.1 | 24/24 | 69.4 | 69.7 | 70.2 | 24/24 | 69.3 | 69.6 | 70.2 | 24/24 | --- | --- | --- | 0/0 | 69.2 | 69.7 | 70.6 | 24/24 |
| Aug 28 | 67.9 | 68.2 | 68.5 | 18/24 | 68.2 | 68.4 | 68.6 | 24/24 | 69.7 | 69.8 | 69.9 | 24/24 | 69.8 | 69.8 | 69.9 | 24/24 | 69.3 | 69.5 | 69.8 | 24/24 | 69.5 | 69.7 | 69.9 | 24/24 | 69.2 | 69.3 | 69.5 | 24/24 | 69.2 | 69.3 | 69.5 | 24/24 | --- | --- | --- | 0/0 | 69.0 | 69.6 | 70.3 | 24/24 |
| Aug 29 | 67.8 | 68.1 | 68.6 | 11/24 | 68.0 | 68.3 | 68.6 | 24/24 | 69.6 | 69.7 | 69.9 | 24/24 | 69.6 | 69.7 | 69.8 | 24/24 | 69.4 | 69.8 | 70.3 | 24/24 | 69.5 | 69.9 | 70.3 | 24/24 | 69.0 | 69.3 | 69.6 | 24/24 | 69.0 | 69.3 | 69.5 | 24/24 | --- | --- | --- | 0/0 | 69.3 | 70.1 | 70.6 | 24/24 |
| Aug 30 | 67.8 | 68.0 | 68.2 | 7/24 | 67.9 | 68.1 | 68.4 | 17/24 | 69.3 | 69.5 | 69.7 | 24/24 | 69.4 | 69.5 | 69.6 | 24/24 | 68.7 | 69.5 | 69.8 | 24/24 | 69.1 | 69.6 | 70.0 | 24/24 | 68.9 | 69.2 | 69.5 | 24/24 | 68.9 | 69.1 | 69.5 | 24/24 | --- | --- | --- | 0/0 | 68.3 | 69.0 | 70.4 | 24/24 |
| Aug 31 | 68.0 | 68.2 | 68.3 | 24/24 | 67.9 | 68.2 | 68.5 | 21/24 | 68.8 | 69.0 | 69.3 | 24/24 | 68.6 | 69.0 | 69.3 | 24/24 | 67.7 | 68.2 | 68.6 | 21/24 | 68.0 | 68.3 | 69.0 | 23/24 | 67.8 | 68.2 | 68.9 | 16/24 | 67.8 | 68.2 | 68.9 | 12/24 | --- | --- | --- | 0/0 | 67.7 | 68.2 | 68.7 | 14/24 |
| >68 | 23 | 26 | 28 | 619/ 744 |
25 | 28 | 29 | 664/ 744 |
28 | 29 | 31 | 702/ 744 |
28 | 31 | 31 | 714/ 744 |
26 | 30 | 31 | 691/ 744 |
26 | 30 | 31 | 698/ 744 |
25 | 27 | 28 | 641/ 744 |
25 | 27 | 28 | 639/ 744 |
0 | 0 | 0 | 0/ 0 |
25 | 28 | 30 | 659/ 744 |
Temperature in Degrees Fahrenheit
| <32 | 32 | 34 | 36 | 38 | 40 | 42 | 44 | 46 | 48 | 50 | 52 | 54 | 56 | 58 | 60 | 62 | 64 | 66 | 68 | 70 | 72 | 74 | 76 | 78 | 80 | 82 | 84 | 86 | >86 |