| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.38 | 3.53 | -0.15 |
| Feb | 2.64 | 2.75 | -0.11 |
| Mar | 4.03 | 4.23 | -0.20 |
| Apr | 3.60 | 3.63 | -0.03 |
| May | 3.87 | 3.99 | -0.12 |
| Jun | 4.26 | 4.40 | -0.14 |
| Jul | 4.95 | 4.83 | 0.12 |
| Aug | 4.17 | 4.39 | -0.22 |
| Sep | 4.07 | 4.12 | -0.05 |
| Oct | 4.06 | 4.08 | -0.02 |
| Nov | 3.21 | 3.29 | -0.08 |
| Dec | 4.10 | 4.35 | -0.25 |
46.34 | 47.59 | -1.25 |