| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.35 | 3.17 | 0.18 |
| Feb | 2.72 | 2.58 | 0.14 |
| Mar | 3.34 | 3.28 | 0.06 |
| Apr | 3.86 | 3.81 | 0.05 |
| May | 3.65 | 3.55 | 0.10 |
| Jun | 4.58 | 4.52 | 0.06 |
| Jul | 4.26 | 3.98 | 0.28 |
| Aug | 3.97 | 3.87 | 0.10 |
| Sep | 3.73 | 3.50 | 0.23 |
| Oct | 5.18 | 4.99 | 0.19 |
| Nov | 4.25 | 4.00 | 0.25 |
| Dec | 4.17 | 4.02 | 0.15 |
47.06 | 45.27 | 1.79 |