| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.55 | 3.74 | -0.19 |
| Feb | 3.43 | 3.65 | -0.22 |
| Mar | 3.63 | 3.71 | -0.08 |
| Apr | 3.27 | 3.35 | -0.08 |
| May | 3.64 | 3.77 | -0.13 |
| Jun | 5.26 | 5.26 | 0.00 |
| Jul | 5.31 | 5.56 | -0.25 |
| Aug | 5.36 | 5.53 | -0.17 |
| Sep | 4.79 | 4.80 | -0.01 |
| Oct | 3.85 | 3.85 | 0.00 |
| Nov | 2.86 | 2.86 | 0.00 |
| Dec | 3.66 | 3.57 | 0.09 |
48.61 | 49.65 | -1.04 |