| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.62 | 3.55 | 0.07 |
| Feb | 2.72 | 2.61 | 0.11 |
| Mar | 3.22 | 3.11 | 0.11 |
| Apr | 2.38 | 2.30 | 0.08 |
| May | 1.98 | 1.89 | 0.09 |
| Jun | 1.57 | 1.58 | -0.01 |
| Jul | 0.79 | 0.80 | -0.01 |
| Aug | 0.92 | 0.82 | 0.10 |
| Sep | 1.49 | 1.43 | 0.06 |
| Oct | 2.99 | 2.66 | 0.33 |
| Nov | 4.15 | 4.22 | -0.07 |
| Dec | 3.93 | 3.94 | -0.01 |
29.76 | 28.91 | 0.85 |