| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.71 | 0.67 | 0.04 |
| Feb | 0.68 | 0.61 | 0.07 |
| Mar | 1.11 | 1.09 | 0.02 |
| Apr | 1.85 | 1.96 | -0.11 |
| May | 3.25 | 3.47 | -0.22 |
| Jun | 4.33 | 4.40 | -0.07 |
| Jul | 3.88 | 3.98 | -0.10 |
| Aug | 3.10 | 3.21 | -0.11 |
| Sep | 2.84 | 3.05 | -0.21 |
| Oct | 2.47 | 2.50 | -0.03 |
| Nov | 0.90 | 0.93 | -0.03 |
| Dec | 0.80 | 0.83 | -0.03 |
25.92 | 26.70 | -0.78 |