| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.80 | 0.83 | -0.03 |
| Feb | 1.03 | 1.03 | 0.00 |
| Mar | 1.94 | 1.90 | 0.04 |
| Apr | 3.48 | 3.52 | -0.04 |
| May | 4.91 | 4.77 | 0.14 |
| Jun | 5.13 | 4.91 | 0.22 |
| Jul | 3.96 | 3.84 | 0.12 |
| Aug | 4.61 | 4.33 | 0.28 |
| Sep | 3.40 | 3.47 | -0.07 |
| Oct | 2.53 | 2.66 | -0.13 |
| Nov | 1.46 | 1.43 | 0.03 |
| Dec | 1.25 | 1.26 | -0.01 |
34.50 | 33.95 | 0.55 |