| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 6.51 | 6.05 | 0.46 |
| Feb | 4.97 | 4.25 | 0.72 |
| Mar | 5.36 | 4.94 | 0.42 |
| Apr | 4.27 | 3.74 | 0.53 |
| May | 2.96 | 2.74 | 0.22 |
| Jun | 1.90 | 1.76 | 0.14 |
| Jul | 0.42 | 0.39 | 0.03 |
| Aug | 0.52 | 0.44 | 0.08 |
| Sep | 1.70 | 1.56 | 0.14 |
| Oct | 3.99 | 3.52 | 0.47 |
| Nov | 6.70 | 5.81 | 0.89 |
| Dec | 7.59 | 7.03 | 0.56 |
46.89 | 42.23 | 4.66 |