| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.83 | 2.90 | -0.07 |
| Feb | 2.35 | 2.13 | 0.22 |
| Mar | 3.25 | 3.14 | 0.11 |
| Apr | 3.86 | 3.78 | 0.08 |
| May | 3.99 | 3.92 | 0.07 |
| Jun | 4.65 | 4.54 | 0.11 |
| Jul | 4.12 | 4.05 | 0.07 |
| Aug | 3.72 | 3.74 | -0.02 |
| Sep | 3.15 | 3.09 | 0.06 |
| Oct | 2.97 | 2.93 | 0.04 |
| Nov | 2.80 | 2.79 | 0.01 |
| Dec | 2.94 | 2.90 | 0.04 |
40.63 | 39.91 | 0.72 |