| 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 |
| Jan 1 | 41.2 | 41.5 | 41.6 | 0/24 | 41.5 | 41.7 | 41.8 | 0/24 | --- | --- | --- | 0/0 | --- | --- | --- | 0/0 | --- | --- | --- | 0/0 | --- | --- | --- | 0/0 | 39.9 | 40.0 | 40.1 | 0/24 | --- | --- | --- | 0/0 | 39.9 | 40.0 | 40.0 | 0/24 | --- | --- | --- | 0/0 |
| Jan 2 | 41.1 | 41.2 | 41.3 | 0/24 | 41.3 | 41.4 | 41.5 | 0/24 | --- | --- | --- | 0/0 | --- | --- | --- | 0/0 | --- | --- | --- | 0/0 | --- | --- | --- | 0/0 | 40.0 | 40.1 | 40.2 | 0/24 | --- | --- | --- | 0/0 | 40.0 | 40.1 | 40.2 | 0/24 | --- | --- | --- | 0/0 |
| Jan 3 | 41.1 | 41.2 | 41.5 | 0/24 | 41.3 | 41.3 | 41.5 | 0/24 | --- | --- | --- | 0/0 | --- | --- | --- | 0/0 | --- | --- | --- | 0/0 | --- | --- | --- | 0/0 | 40.2 | 40.3 | 40.3 | 0/24 | --- | --- | --- | 0/0 | 40.2 | 40.2 | 40.2 | 0/24 | --- | --- | --- | 0/0 |
| Jan 4 | 40.6 | 40.9 | 41.1 | 0/24 | 40.7 | 41.0 | 41.3 | 0/24 | --- | --- | --- | 0/0 | --- | --- | --- | 0/0 | --- | --- | --- | 0/0 | --- | --- | --- | 0/0 | 40.3 | 40.5 | 40.6 | 0/24 | --- | --- | --- | 0/0 | 40.2 | 40.4 | 40.6 | 0/24 | --- | --- | --- | 0/0 |
| Jan 5 | 40.4 | 40.5 | 40.6 | 0/24 | 40.5 | 40.6 | 40.7 | 0/24 | --- | --- | --- | 0/0 | --- | --- | --- | 0/0 | --- | --- | --- | 0/0 | --- | --- | --- | 0/0 | 40.6 | 40.7 | 40.8 | 0/24 | --- | --- | --- | 0/0 | 40.6 | 40.6 | 40.7 | 0/24 | --- | --- | --- | 0/0 |
| Jan 6 | 40.3 | 40.4 | 40.5 | 0/24 | 40.5 | 40.5 | 40.6 | 0/24 | --- | --- | --- | 0/0 | --- | --- | --- | 0/0 | --- | --- | --- | 0/0 | --- | --- | --- | 0/0 | 40.8 | 40.9 | 41.0 | 0/24 | --- | --- | --- | 0/0 | 40.7 | 40.8 | 41.0 | 0/24 | --- | --- | --- | 0/0 |
| Jan 7 | 40.4 | 40.5 | 40.6 | 0/24 | 40.5 | 40.6 | 40.7 | 0/24 | --- | --- | --- | 0/0 | --- | --- | --- | 0/0 | --- | --- | --- | 0/0 | --- | --- | --- | 0/0 | 41.1 | 41.2 | 41.4 | 0/24 | --- | --- | --- | 0/0 | 41.0 | 41.2 | 41.3 | 0/24 | --- | --- | --- | 0/0 |
| Jan 8 | 40.5 | 40.6 | 40.6 | 0/24 | 40.6 | 40.7 | 40.8 | 0/24 | --- | --- | --- | 0/0 | --- | --- | --- | 0/0 | --- | --- | --- | 0/0 | --- | --- | --- | 0/0 | 41.4 | 41.5 | 41.6 | 0/24 | --- | --- | --- | 0/0 | 41.3 | 41.4 | 41.5 | 0/24 | --- | --- | --- | 0/0 |
| Jan 9 | 40.4 | 40.5 | 40.6 | 0/24 | 40.6 | 40.7 | 40.7 | 0/24 | --- | --- | --- | 0/0 | --- | --- | --- | 0/0 | --- | --- | --- | 0/0 | --- | --- | --- | 0/0 | 41.5 | 41.5 | 41.6 | 0/24 | --- | --- | --- | 0/0 | 41.5 | 41.5 | 41.6 | 0/24 | --- | --- | --- | 0/0 |
| Jan 10 | 40.5 | 40.7 | 40.8 | 0/24 | 40.6 | 40.8 | 41.0 | 0/24 | --- | --- | --- | 0/0 | --- | --- | --- | 0/0 | --- | --- | --- | 0/0 | --- | --- | --- | 0/0 | 41.6 | 41.9 | 42.1 | 0/24 | --- | --- | --- | 0/0 | 41.6 | 42.0 | 42.2 | 0/24 | --- | --- | --- | 0/0 |
| Jan 11 | 40.9 | 41.2 | 41.3 | 0/24 | 40.7 | 41.0 | 41.1 | 0/24 | --- | --- | --- | 0/0 | --- | --- | --- | 0/0 | --- | --- | --- | 0/0 | --- | --- | --- | 0/0 | 42.0 | 42.1 | 42.2 | 0/24 | --- | --- | --- | 0/0 | 42.0 | 42.2 | 42.2 | 0/24 | --- | --- | --- | 0/0 |
| Jan 12 | 41.1 | 41.2 | 41.3 | 0/24 | 41.0 | 41.0 | 41.2 | 0/24 | --- | --- | --- | 0/0 | --- | --- | --- | 0/0 | --- | --- | --- | 0/0 | --- | --- | --- | 0/0 | 41.6 | 41.8 | 42.0 | 0/24 | --- | --- | --- | 0/0 | 41.6 | 41.8 | 42.0 | 0/24 | --- | --- | --- | 0/0 |
| Jan 13 | 41.3 | 41.6 | 41.8 | 0/24 | 41.2 | 41.4 | 41.6 | 0/24 | --- | --- | --- | 0/0 | --- | --- | --- | 0/0 | --- | --- | --- | 0/0 | --- | --- | --- | 0/0 | 41.5 | 41.5 | 41.6 | 0/24 | --- | --- | --- | 0/0 | 41.5 | 41.5 | 41.6 | 0/24 | --- | --- | --- | 0/0 |
| Jan 14 | 41.6 | 41.7 | 41.8 | 0/24 | 41.4 | 41.5 | 41.5 | 0/24 | --- | --- | --- | 0/0 | --- | --- | --- | 0/0 | --- | --- | --- | 0/0 | --- | --- | --- | 0/0 | 41.3 | 41.3 | 41.5 | 0/24 | --- | --- | --- | 0/0 | 41.2 | 41.4 | 41.5 | 0/24 | --- | --- | --- | 0/0 |
| Jan 15 | 41.1 | 41.3 | 41.6 | 0/24 | 41.1 | 41.2 | 41.5 | 0/24 | --- | --- | --- | 0/0 | --- | --- | --- | 0/0 | --- | --- | --- | 0/0 | --- | --- | --- | 0/0 | 41.1 | 41.1 | 41.3 | 0/24 | --- | --- | --- | 0/0 | 41.0 | 41.1 | 41.2 | 0/24 | --- | --- | --- | 0/0 |
| Jan 16 | 41.0 | 41.2 | 41.3 | 0/24 | 40.9 | 41.1 | 41.2 | 0/24 | --- | --- | --- | 0/0 | --- | --- | --- | 0/0 | --- | --- | --- | 0/0 | --- | --- | --- | 0/0 | 40.9 | 41.0 | 41.1 | 0/24 | --- | --- | --- | 0/0 | 40.8 | 40.9 | 41.0 | 0/24 | --- | --- | --- | 0/0 |
| Jan 17 | 40.9 | 40.9 | 41.0 | 0/13 | 40.8 | 40.8 | 40.9 | 0/17 | --- | --- | --- | 0/0 | --- | --- | --- | 0/0 | --- | --- | --- | 0/0 | --- | --- | --- | 0/0 | 40.7 | 40.8 | 40.8 | 0/19 | --- | --- | --- | 0/0 | 40.8 | 40.8 | 40.9 | 0/19 | --- | --- | --- | 0/0 |
| Jan 18 | 40.6 | 40.7 | 40.9 | 0/16 | 40.5 | 40.6 | 40.7 | 0/20 | --- | --- | --- | 0/0 | --- | --- | --- | 0/0 | --- | --- | --- | 0/0 | --- | --- | --- | 0/0 | 40.7 | 40.9 | 41.1 | 0/24 | --- | --- | --- | 0/0 | 40.7 | 40.9 | 41.0 | 0/20 | --- | --- | --- | 0/0 |
| Jan 19 | 40.5 | 40.6 | 40.7 | 0/24 | 40.3 | 40.4 | 40.5 | 0/24 | --- | --- | --- | 0/0 | --- | --- | --- | 0/0 | --- | --- | --- | 0/0 | --- | --- | --- | 0/0 | 41.1 | 41.2 | 41.3 | 0/24 | --- | --- | --- | 0/0 | 41.0 | 41.1 | 41.3 | 0/24 | --- | --- | --- | 0/0 |
| Jan 20 | 40.3 | 40.4 | 40.4 | 0/24 | 40.3 | 40.3 | 40.4 | 0/24 | --- | --- | --- | 0/0 | --- | --- | --- | 0/0 | --- | --- | --- | 0/0 | --- | --- | --- | 0/0 | 41.2 | 41.3 | 41.3 | 0/24 | --- | --- | --- | 0/0 | 41.2 | 41.3 | 41.4 | 0/24 | --- | --- | --- | 0/0 |
| Jan 21 | 40.2 | 40.3 | 40.4 | 0/24 | 40.1 | 40.2 | 40.3 | 0/24 | --- | --- | --- | 0/0 | --- | --- | --- | 0/0 | --- | --- | --- | 0/0 | --- | --- | --- | 0/0 | 41.3 | 41.4 | 41.4 | 0/24 | --- | --- | --- | 0/0 | 41.4 | 41.4 | 41.5 | 0/24 | --- | --- | --- | 0/0 |
| Jan 22 | 40.0 | 40.1 | 40.2 | 0/24 | 40.0 | 40.1 | 40.1 | 0/24 | --- | --- | --- | 0/0 | --- | --- | --- | 0/0 | --- | --- | --- | 0/0 | --- | --- | --- | 0/0 | 41.3 | 41.4 | 41.4 | 0/24 | --- | --- | --- | 0/0 | 41.4 | 41.4 | 41.6 | 0/24 | --- | --- | --- | 0/0 |
| Jan 23 | 40.1 | 40.2 | 40.4 | 0/24 | 40.1 | 40.1 | 40.2 | 0/24 | --- | --- | --- | 0/0 | --- | --- | --- | 0/0 | --- | --- | --- | 0/0 | --- | --- | --- | 0/0 | 41.1 | 41.2 | 41.4 | 0/24 | --- | --- | --- | 0/0 | 41.2 | 41.3 | 41.5 | 0/24 | --- | --- | --- | 0/0 |
| Jan 24 | 39.6 | 39.9 | 40.2 | 0/24 | 39.9 | 40.0 | 40.1 | 0/24 | --- | --- | --- | 0/0 | --- | --- | --- | 0/0 | 38.7 | 38.7 | 38.7 | 0/1 | --- | --- | --- | 0/0 | 41.1 | 41.1 | 41.2 | 0/24 | --- | --- | --- | 0/0 | 41.1 | 41.2 | 41.3 | 0/24 | 61.5 | 62.1 | 62.5 | 0/13 |
| Jan 25 | 39.2 | 39.4 | 39.7 | 0/24 | 39.6 | 39.8 | 39.9 | 0/24 | --- | --- | --- | 0/0 | --- | --- | --- | 0/0 | --- | --- | --- | 0/0 | --- | --- | --- | 0/0 | 41.0 | 41.1 | 41.1 | 0/24 | --- | --- | --- | 0/0 | 41.0 | 41.1 | 41.3 | 0/24 | 59.9 | 60.7 | 61.7 | 0/10 |
| Jan 26 | 38.9 | 39.1 | 39.2 | 0/24 | 39.3 | 39.4 | 39.6 | 0/24 | --- | --- | --- | 0/0 | --- | --- | --- | 0/0 | --- | --- | --- | 0/0 | --- | --- | --- | 0/0 | 41.0 | 41.0 | 41.1 | 0/24 | --- | --- | --- | 0/0 | 41.0 | 41.1 | 41.3 | 0/24 | --- | --- | --- | 0/0 |
| Jan 27 | 38.8 | 38.9 | 39.0 | 0/24 | 39.1 | 39.2 | 39.3 | 0/24 | --- | --- | --- | 0/0 | --- | --- | --- | 0/0 | --- | --- | --- | 0/0 | --- | --- | --- | 0/0 | 40.9 | 41.0 | 41.0 | 0/24 | --- | --- | --- | 0/0 | 41.0 | 41.0 | 41.2 | 0/24 | --- | --- | --- | 0/0 |
| Jan 28 | 38.6 | 38.7 | 38.8 | 0/24 | 39.0 | 39.1 | 39.2 | 0/24 | --- | --- | --- | 0/0 | --- | --- | --- | 0/0 | --- | --- | --- | 0/0 | --- | --- | --- | 0/0 | 40.9 | 40.9 | 41.0 | 0/24 | --- | --- | --- | 0/0 | 40.9 | 41.0 | 41.4 | 0/24 | --- | --- | --- | 0/0 |
| Jan 29 | 38.7 | 38.7 | 38.8 | 0/24 | 39.0 | 39.1 | 39.1 | 0/24 | --- | --- | --- | 0/0 | --- | --- | --- | 0/0 | --- | --- | --- | 0/0 | --- | --- | --- | 0/0 | 40.9 | 40.9 | 40.9 | 0/24 | --- | --- | --- | 0/0 | 41.0 | 41.0 | 41.2 | 0/24 | --- | --- | --- | 0/0 |
| Jan 30 | 38.8 | 39.1 | 39.4 | 0/24 | 39.2 | 39.4 | 39.6 | 0/24 | --- | --- | --- | 0/0 | --- | --- | --- | 0/0 | --- | --- | --- | 0/0 | --- | --- | --- | 0/0 | 40.9 | 41.0 | 41.1 | 0/24 | --- | --- | --- | 0/0 | 41.1 | 41.2 | 41.3 | 0/24 | 61.8 | 62.4 | 62.8 | 0/14 |
| Jan 31 | 39.3 | 39.4 | 39.5 | 0/24 | 39.6 | 39.7 | 39.8 | 0/24 | --- | --- | --- | 0/0 | --- | --- | --- | 0/0 | --- | --- | --- | 0/0 | --- | --- | --- | 0/0 | 40.9 | 41.0 | 41.1 | 0/24 | --- | --- | --- | 0/0 | 40.9 | 41.0 | 41.1 | 0/24 | 60.5 | 61.1 | 61.8 | 0/8 |
| >68 | 0 | 0 | 0 | 0/ 725 |
0 | 0 | 0 | 0/ 733 |
0 | 0 | 0 | 0/ 0 |
0 | 0 | 0 | 0/ 0 |
0 | 0 | 0 | 0/ 1 |
0 | 0 | 0 | 0/ 0 |
0 | 0 | 0 | 0/ 739 |
0 | 0 | 0 | 0/ 0 |
0 | 0 | 0 | 0/ 735 |
0 | 0 | 0 | 0/ 45 |
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 |