| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.47 | 3.30 | 0.17 |
| Feb | 3.19 | 3.06 | 0.13 |
| Mar | 3.89 | 3.64 | 0.25 |
| Apr | 3.99 | 3.94 | 0.05 |
| May | 3.90 | 3.93 | -0.03 |
| Jun | 4.46 | 4.41 | 0.05 |
| Jul | 4.38 | 4.40 | -0.02 |
| Aug | 3.96 | 4.08 | -0.12 |
| Sep | 3.92 | 3.87 | 0.05 |
| Oct | 5.33 | 5.17 | 0.16 |
| Nov | 4.06 | 3.91 | 0.15 |
| Dec | 4.38 | 4.29 | 0.09 |
48.93 | 48.00 | 0.93 |