| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.50 | 3.52 | -0.02 |
| Feb | 2.83 | 2.86 | -0.03 |
| Mar | 4.02 | 3.74 | 0.28 |
| Apr | 4.00 | 3.72 | 0.28 |
| May | 3.95 | 3.74 | 0.21 |
| Jun | 4.56 | 4.73 | -0.17 |
| Jul | 4.62 | 4.55 | 0.07 |
| Aug | 4.46 | 4.41 | 0.05 |
| Sep | 4.47 | 4.43 | 0.04 |
| Oct | 4.56 | 4.39 | 0.17 |
| Nov | 3.69 | 3.69 | 0.00 |
| Dec | 4.09 | 4.15 | -0.06 |
48.75 | 47.93 | 0.82 |