| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.70 | 2.55 | 0.15 |
| Feb | 2.43 | 2.34 | 0.09 |
| Mar | 3.05 | 2.94 | 0.11 |
| Apr | 3.29 | 3.19 | 0.10 |
| May | 3.50 | 3.32 | 0.18 |
| Jun | 4.22 | 4.35 | -0.13 |
| Jul | 3.99 | 4.17 | -0.18 |
| Aug | 3.87 | 3.98 | -0.11 |
| Sep | 3.78 | 3.62 | 0.16 |
| Oct | 4.03 | 4.04 | -0.01 |
| Nov | 2.89 | 2.82 | 0.07 |
| Dec | 3.28 | 3.34 | -0.06 |
41.03 | 40.66 | 0.37 |