| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.80 | 0.78 | 0.02 |
| Feb | 1.25 | 1.21 | 0.04 |
| Mar | 2.26 | 2.25 | 0.01 |
| Apr | 2.84 | 2.82 | 0.02 |
| May | 4.98 | 4.91 | 0.07 |
| Jun | 4.84 | 4.85 | -0.01 |
| Jul | 4.09 | 4.07 | 0.02 |
| Aug | 3.89 | 3.87 | 0.02 |
| Sep | 2.75 | 2.71 | 0.04 |
| Oct | 2.64 | 2.62 | 0.02 |
| Nov | 1.52 | 1.58 | -0.06 |
| Dec | 1.23 | 1.19 | 0.04 |
33.09 | 32.86 | 0.23 |