| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.46 | 3.45 | 0.01 |
| Feb | 2.80 | 2.84 | -0.04 |
| Mar | 3.78 | 3.63 | 0.15 |
| Apr | 3.66 | 3.74 | -0.08 |
| May | 4.21 | 4.19 | 0.02 |
| Jun | 4.10 | 4.15 | -0.05 |
| Jul | 4.10 | 3.89 | 0.21 |
| Aug | 3.53 | 3.47 | 0.06 |
| Sep | 4.40 | 4.20 | 0.20 |
| Oct | 3.48 | 3.33 | 0.15 |
| Nov | 3.47 | 3.34 | 0.13 |
| Dec | 3.68 | 3.75 | -0.07 |
44.67 | 43.98 | 0.69 |