| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.55 | 3.58 | -0.03 |
| Feb | 2.89 | 2.89 | 0.00 |
| Mar | 4.08 | 3.98 | 0.10 |
| Apr | 3.68 | 3.76 | -0.08 |
| May | 3.78 | 3.97 | -0.19 |
| Jun | 4.52 | 4.23 | 0.29 |
| Jul | 5.32 | 5.47 | -0.15 |
| Aug | 5.05 | 5.38 | -0.33 |
| Sep | 5.10 | 5.03 | 0.07 |
| Oct | 3.90 | 4.28 | -0.38 |
| Nov | 3.09 | 3.03 | 0.06 |
| Dec | 3.63 | 3.60 | 0.03 |
48.59 | 49.20 | -0.61 |