| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.62 | 2.63 | -0.01 |
| Feb | 2.06 | 2.06 | 0.00 |
| Mar | 3.07 | 2.94 | 0.13 |
| Apr | 2.79 | 2.88 | -0.09 |
| May | 4.39 | 4.48 | -0.09 |
| Jun | 4.06 | 4.00 | 0.06 |
| Jul | 2.98 | 3.20 | -0.22 |
| Aug | 2.82 | 3.08 | -0.26 |
| Sep | 4.25 | 4.40 | -0.15 |
| Oct | 3.80 | 3.74 | 0.06 |
| Nov | 2.82 | 2.83 | -0.01 |
| Dec | 2.30 | 2.48 | -0.18 |
37.96 | 38.72 | -0.76 |