| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.89 | 0.88 | 0.01 |
| Feb | 1.25 | 1.26 | -0.01 |
| Mar | 2.35 | 2.34 | 0.01 |
| Apr | 3.02 | 3.05 | -0.03 |
| May | 4.89 | 4.99 | -0.10 |
| Jun | 4.72 | 4.80 | -0.08 |
| Jul | 3.91 | 3.84 | 0.07 |
| Aug | 3.64 | 3.84 | -0.20 |
| Sep | 2.77 | 2.66 | 0.11 |
| Oct | 3.03 | 2.91 | 0.12 |
| Nov | 1.58 | 1.50 | 0.08 |
| Dec | 1.25 | 1.25 | 0.00 |
33.30 | 33.32 | -0.02 |