| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.07 | 5.08 | -0.01 |
| Feb | 5.16 | 5.23 | -0.07 |
| Mar | 5.56 | 5.65 | -0.09 |
| Apr | 5.08 | 5.27 | -0.19 |
| May | 4.90 | 4.73 | 0.17 |
| Jun | 4.91 | 5.08 | -0.17 |
| Jul | 4.72 | 5.00 | -0.28 |
| Aug | 4.11 | 3.83 | 0.28 |
| Sep | 4.30 | 4.11 | 0.19 |
| Oct | 3.66 | 3.45 | 0.21 |
| Nov | 4.34 | 4.21 | 0.13 |
| Dec | 6.04 | 6.15 | -0.11 |
57.85 | 57.79 | 0.06 |