| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.30 | 3.34 | -0.04 |
| Feb | 3.26 | 3.21 | 0.05 |
| Mar | 4.14 | 4.14 | 0.00 |
| Apr | 3.76 | 3.80 | -0.04 |
| May | 4.88 | 4.94 | -0.06 |
| Jun | 4.50 | 4.68 | -0.18 |
| Jul | 5.30 | 5.44 | -0.14 |
| Aug | 3.83 | 3.82 | 0.01 |
| Sep | 3.48 | 3.55 | -0.07 |
| Oct | 3.07 | 3.08 | -0.01 |
| Nov | 3.06 | 3.06 | 0.00 |
| Dec | 3.71 | 3.83 | -0.12 |
46.29 | 46.89 | -0.60 |