| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.46 | 2.40 | 0.06 |
| Feb | 1.98 | 2.01 | -0.03 |
| Mar | 2.82 | 2.81 | 0.01 |
| Apr | 2.74 | 2.65 | 0.09 |
| May | 4.16 | 4.09 | 0.07 |
| Jun | 3.32 | 3.27 | 0.05 |
| Jul | 1.92 | 1.92 | 0.00 |
| Aug | 2.49 | 2.35 | 0.14 |
| Sep | 3.35 | 3.27 | 0.08 |
| Oct | 4.04 | 4.15 | -0.11 |
| Nov | 2.62 | 2.65 | -0.03 |
| Dec | 2.76 | 2.73 | 0.03 |
34.66 | 34.30 | 0.36 |