| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.25 | 1.27 | -0.02 |
| Feb | 1.46 | 1.47 | -0.01 |
| Mar | 2.12 | 2.06 | 0.06 |
| Apr | 3.80 | 3.78 | 0.02 |
| May | 4.19 | 4.35 | -0.16 |
| Jun | 5.50 | 5.45 | 0.05 |
| Jul | 4.72 | 5.01 | -0.29 |
| Aug | 3.95 | 3.82 | 0.13 |
| Sep | 3.60 | 3.59 | 0.01 |
| Oct | 2.94 | 2.85 | 0.09 |
| Nov | 2.25 | 2.22 | 0.03 |
| Dec | 1.66 | 1.70 | -0.04 |
37.44 | 37.57 | -0.13 |