| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.91 | 0.94 | -0.03 |
| Feb | 0.93 | 0.93 | 0.00 |
| Mar | 1.66 | 1.63 | 0.03 |
| Apr | 2.80 | 2.82 | -0.02 |
| May | 3.87 | 3.81 | 0.06 |
| Jun | 4.33 | 4.44 | -0.11 |
| Jul | 4.32 | 4.30 | 0.02 |
| Aug | 4.17 | 4.27 | -0.10 |
| Sep | 3.55 | 3.54 | 0.01 |
| Oct | 3.09 | 3.15 | -0.06 |
| Nov | 1.78 | 1.78 | 0.00 |
| Dec | 1.28 | 1.29 | -0.01 |
32.69 | 32.90 | -0.21 |