| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.34 | 1.50 | -0.16 |
| Feb | 1.25 | 1.43 | -0.18 |
| Mar | 1.95 | 2.04 | -0.09 |
| Apr | 3.59 | 3.62 | -0.03 |
| May | 3.99 | 4.05 | -0.06 |
| Jun | 4.83 | 4.98 | -0.15 |
| Jul | 3.83 | 4.08 | -0.25 |
| Aug | 4.27 | 3.91 | 0.36 |
| Sep | 3.27 | 3.27 | 0.00 |
| Oct | 2.88 | 2.91 | -0.03 |
| Nov | 2.07 | 2.10 | -0.03 |
| Dec | 1.58 | 1.70 | -0.12 |
34.85 | 35.59 | -0.74 |