| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.53 | 1.62 | -0.09 |
| Feb | 1.74 | 1.84 | -0.10 |
| Mar | 2.44 | 2.60 | -0.16 |
| Apr | 3.75 | 3.92 | -0.17 |
| May | 5.01 | 4.99 | 0.02 |
| Jun | 4.81 | 4.74 | 0.07 |
| Jul | 3.93 | 4.09 | -0.16 |
| Aug | 3.67 | 3.68 | -0.01 |
| Sep | 3.59 | 3.66 | -0.07 |
| Oct | 2.97 | 3.03 | -0.06 |
| Nov | 2.40 | 2.56 | -0.16 |
| Dec | 1.85 | 1.96 | -0.11 |
37.69 | 38.69 | -1.00 |