| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.94 | 4.08 | -0.14 |
| Feb | 3.65 | 3.65 | 0.00 |
| Mar | 4.91 | 4.96 | -0.05 |
| Apr | 4.34 | 4.47 | -0.13 |
| May | 3.59 | 3.65 | -0.06 |
| Jun | 4.09 | 4.00 | 0.09 |
| Jul | 3.44 | 3.47 | -0.03 |
| Aug | 3.55 | 3.63 | -0.08 |
| Sep | 3.87 | 3.80 | 0.07 |
| Oct | 4.78 | 4.98 | -0.20 |
| Nov | 4.10 | 4.20 | -0.10 |
| Dec | 4.88 | 4.95 | -0.07 |
49.14 | 49.84 | -0.70 |