| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.98 | 6.05 | -0.07 |
| Feb | 4.34 | 4.32 | 0.02 |
| Mar | 4.60 | 4.55 | 0.05 |
| Apr | 3.48 | 3.52 | -0.04 |
| May | 2.71 | 2.74 | -0.03 |
| Jun | 1.83 | 1.84 | -0.01 |
| Jul | 0.50 | 0.51 | -0.01 |
| Aug | 0.65 | 0.59 | 0.06 |
| Sep | 1.65 | 1.63 | 0.02 |
| Oct | 3.81 | 3.89 | -0.08 |
| Nov | 6.28 | 6.28 | 0.00 |
| Dec | 6.85 | 6.99 | -0.14 |
42.68 | 42.91 | -0.23 |