| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.83 | 2.73 | 0.10 |
| Feb | 2.09 | 2.05 | 0.04 |
| Mar | 3.10 | 2.90 | 0.20 |
| Apr | 2.58 | 2.81 | -0.23 |
| May | 4.14 | 4.35 | -0.21 |
| Jun | 4.25 | 4.36 | -0.11 |
| Jul | 3.27 | 3.43 | -0.16 |
| Aug | 3.29 | 3.27 | 0.02 |
| Sep | 4.80 | 4.74 | 0.06 |
| Oct | 3.86 | 3.86 | 0.00 |
| Nov | 2.97 | 3.04 | -0.07 |
| Dec | 2.50 | 2.57 | -0.07 |
39.68 | 40.11 | -0.43 |