| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.72 | 3.58 | 0.14 |
| Feb | 3.33 | 3.26 | 0.07 |
| Mar | 4.33 | 4.27 | 0.06 |
| Apr | 4.31 | 4.23 | 0.08 |
| May | 3.64 | 3.58 | 0.06 |
| Jun | 4.33 | 4.13 | 0.20 |
| Jul | 3.74 | 3.70 | 0.04 |
| Aug | 4.17 | 4.08 | 0.09 |
| Sep | 4.08 | 3.90 | 0.18 |
| Oct | 4.94 | 4.92 | 0.02 |
| Nov | 3.95 | 3.70 | 0.25 |
| Dec | 4.45 | 4.53 | -0.08 |
48.99 | 47.88 | 1.11 |