| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.59 | 4.51 | 0.08 |
| Feb | 4.92 | 4.64 | 0.28 |
| Mar | 5.32 | 5.13 | 0.19 |
| Apr | 4.89 | 4.78 | 0.11 |
| May | 4.84 | 4.81 | 0.03 |
| Jun | 4.61 | 4.63 | -0.02 |
| Jul | 4.49 | 4.45 | 0.04 |
| Aug | 3.70 | 3.55 | 0.15 |
| Sep | 3.85 | 3.81 | 0.04 |
| Oct | 3.60 | 3.33 | 0.27 |
| Nov | 3.76 | 3.83 | -0.07 |
| Dec | 5.27 | 5.45 | -0.18 |
53.84 | 52.92 | 0.92 |