| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.82 | 4.97 | -0.15 |
| Feb | 5.04 | 4.98 | 0.06 |
| Mar | 5.21 | 5.23 | -0.02 |
| Apr | 4.75 | 5.08 | -0.33 |
| May | 4.06 | 4.53 | -0.47 |
| Jun | 4.91 | 4.74 | 0.17 |
| Jul | 4.50 | 5.52 | -1.02 |
| Aug | 4.03 | 3.90 | 0.13 |
| Sep | 3.80 | 4.05 | -0.25 |
| Oct | 3.13 | 3.18 | -0.05 |
| Nov | 4.53 | 4.36 | 0.17 |
| Dec | 5.28 | 5.51 | -0.23 |
54.06 | 56.05 | -1.99 |