| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.43 | 1.39 | 0.04 |
| Feb | 1.62 | 1.65 | -0.03 |
| Mar | 2.74 | 2.66 | 0.08 |
| Apr | 3.67 | 3.62 | 0.05 |
| May | 5.36 | 5.27 | 0.09 |
| Jun | 4.53 | 4.50 | 0.03 |
| Jul | 3.25 | 3.28 | -0.03 |
| Aug | 3.16 | 3.18 | -0.02 |
| Sep | 3.72 | 3.76 | -0.04 |
| Oct | 3.45 | 3.34 | 0.11 |
| Nov | 2.13 | 2.10 | 0.03 |
| Dec | 2.09 | 2.02 | 0.07 |
37.15 | 36.77 | 0.38 |