| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.59 | 3.57 | 0.02 |
| Feb | 3.28 | 3.13 | 0.15 |
| Mar | 4.06 | 3.78 | 0.28 |
| Apr | 3.87 | 3.53 | 0.34 |
| May | 3.72 | 3.67 | 0.05 |
| Jun | 4.25 | 4.29 | -0.04 |
| Jul | 3.83 | 3.73 | 0.10 |
| Aug | 4.22 | 4.25 | -0.03 |
| Sep | 3.82 | 3.85 | -0.03 |
| Oct | 3.23 | 3.22 | 0.01 |
| Nov | 3.27 | 2.99 | 0.28 |
| Dec | 3.79 | 3.81 | -0.02 |
44.93 | 43.82 | 1.11 |