| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.63 | 3.52 | 0.11 |
| Feb | 3.08 | 3.08 | 0.00 |
| Mar | 3.90 | 3.72 | 0.18 |
| Apr | 3.98 | 4.00 | -0.02 |
| May | 4.00 | 3.89 | 0.11 |
| Jun | 4.01 | 4.00 | 0.01 |
| Jul | 4.72 | 4.29 | 0.43 |
| Aug | 4.31 | 4.06 | 0.25 |
| Sep | 3.83 | 4.09 | -0.26 |
| Oct | 3.11 | 2.95 | 0.16 |
| Nov | 3.30 | 3.04 | 0.26 |
| Dec | 3.65 | 3.66 | -0.01 |
45.52 | 44.30 | 1.22 |