| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.59 | 3.57 | 0.02 |
| Feb | 2.70 | 2.72 | -0.02 |
| Mar | 2.90 | 2.81 | 0.09 |
| Apr | 3.45 | 3.38 | 0.07 |
| May | 3.71 | 3.68 | 0.03 |
| Jun | 4.02 | 3.94 | 0.08 |
| Jul | 3.74 | 3.68 | 0.06 |
| Aug | 3.84 | 3.88 | -0.04 |
| Sep | 3.76 | 3.65 | 0.11 |
| Oct | 4.70 | 4.73 | -0.03 |
| Nov | 3.81 | 3.78 | 0.03 |
| Dec | 3.79 | 3.82 | -0.03 |
44.01 | 43.64 | 0.37 |