| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.90 | 3.95 | -0.05 |
| Feb | 3.62 | 3.63 | -0.01 |
| Mar | 4.07 | 4.15 | -0.08 |
| Apr | 3.22 | 3.17 | 0.05 |
| May | 3.26 | 3.40 | -0.14 |
| Jun | 4.94 | 4.88 | 0.06 |
| Jul | 4.41 | 4.74 | -0.33 |
| Aug | 4.60 | 4.89 | -0.29 |
| Sep | 3.96 | 4.07 | -0.11 |
| Oct | 3.27 | 3.25 | 0.02 |
| Nov | 3.14 | 3.23 | -0.09 |
| Dec | 4.08 | 3.98 | 0.10 |
46.47 | 47.34 | -0.87 |