| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.55 | 3.68 | -0.13 |
| Feb | 2.94 | 2.93 | 0.01 |
| Mar | 4.21 | 4.24 | -0.03 |
| Apr | 3.81 | 3.85 | -0.04 |
| May | 3.84 | 3.90 | -0.06 |
| Jun | 4.58 | 4.43 | 0.15 |
| Jul | 4.16 | 4.46 | -0.30 |
| Aug | 4.18 | 4.13 | 0.05 |
| Sep | 4.68 | 4.92 | -0.24 |
| Oct | 3.40 | 3.40 | 0.00 |
| Nov | 3.43 | 3.36 | 0.07 |
| Dec | 3.61 | 3.59 | 0.02 |
46.39 | 46.89 | -0.50 |