| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.34 | 3.64 | -0.30 |
| Feb | 2.93 | 3.03 | -0.10 |
| Mar | 3.64 | 3.81 | -0.17 |
| Apr | 3.57 | 3.58 | -0.01 |
| May | 3.65 | 3.50 | 0.15 |
| Jun | 4.45 | 4.49 | -0.04 |
| Jul | 4.14 | 4.36 | -0.22 |
| Aug | 4.28 | 4.27 | 0.01 |
| Sep | 4.22 | 4.14 | 0.08 |
| Oct | 4.79 | 4.74 | 0.05 |
| Nov | 3.50 | 3.58 | -0.08 |
| Dec | 3.94 | 3.80 | 0.14 |
46.45 | 46.94 | -0.49 |