| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.50 | 2.45 | 0.05 |
| Feb | 1.95 | 1.86 | 0.09 |
| Mar | 2.79 | 2.75 | 0.04 |
| Apr | 3.22 | 3.18 | 0.04 |
| May | 3.54 | 3.44 | 0.10 |
| Jun | 3.99 | 3.92 | 0.07 |
| Jul | 3.95 | 3.85 | 0.10 |
| Aug | 3.58 | 3.69 | -0.11 |
| Sep | 3.97 | 3.96 | 0.01 |
| Oct | 3.65 | 3.57 | 0.08 |
| Nov | 2.88 | 2.82 | 0.06 |
| Dec | 2.75 | 2.65 | 0.10 |
38.77 | 38.14 | 0.63 |