| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.58 | 0.51 | 0.07 |
| Feb | 0.68 | 0.59 | 0.09 |
| Mar | 1.26 | 1.20 | 0.06 |
| Apr | 2.43 | 2.35 | 0.08 |
| May | 3.48 | 3.43 | 0.05 |
| Jun | 4.13 | 4.22 | -0.09 |
| Jul | 3.67 | 3.50 | 0.17 |
| Aug | 3.26 | 3.13 | 0.13 |
| Sep | 2.90 | 2.96 | -0.06 |
| Oct | 2.06 | 2.07 | -0.01 |
| Nov | 0.98 | 0.91 | 0.07 |
| Dec | 0.78 | 0.72 | 0.06 |
26.21 | 25.59 | 0.62 |