| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.63 | 0.60 | 0.03 |
| Feb | 0.77 | 0.75 | 0.02 |
| Mar | 1.34 | 1.35 | -0.01 |
| Apr | 2.47 | 2.45 | 0.02 |
| May | 4.68 | 4.94 | -0.26 |
| Jun | 3.86 | 3.85 | 0.01 |
| Jul | 3.83 | 4.10 | -0.27 |
| Aug | 3.56 | 3.66 | -0.10 |
| Sep | 2.30 | 2.27 | 0.03 |
| Oct | 2.16 | 2.25 | -0.09 |
| Nov | 1.29 | 1.22 | 0.07 |
| Dec | 0.91 | 0.95 | -0.04 |
27.80 | 28.39 | -0.59 |