| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.45 | 2.46 | -0.01 |
| Feb | 1.88 | 2.03 | -0.15 |
| Mar | 2.46 | 2.56 | -0.10 |
| Apr | 3.72 | 3.73 | -0.01 |
| May | 4.40 | 4.42 | -0.02 |
| Jun | 4.35 | 4.27 | 0.08 |
| Jul | 4.00 | 3.88 | 0.12 |
| Aug | 3.96 | 3.80 | 0.16 |
| Sep | 3.09 | 3.04 | 0.05 |
| Oct | 2.93 | 2.86 | 0.07 |
| Nov | 2.97 | 2.96 | 0.01 |
| Dec | 2.39 | 2.33 | 0.06 |
38.60 | 38.34 | 0.26 |