| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.53 | 0.51 | 0.02 |
| Feb | 0.74 | 0.70 | 0.04 |
| Mar | 1.33 | 1.26 | 0.07 |
| Apr | 2.61 | 2.75 | -0.14 |
| May | 3.58 | 3.68 | -0.10 |
| Jun | 4.10 | 4.02 | 0.08 |
| Jul | 3.34 | 3.36 | -0.02 |
| Aug | 3.25 | 3.28 | -0.03 |
| Sep | 2.98 | 3.06 | -0.08 |
| Oct | 2.10 | 2.05 | 0.05 |
| Nov | 0.99 | 0.91 | 0.08 |
| Dec | 0.72 | 0.74 | -0.02 |
26.27 | 26.32 | -0.05 |