| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.89 | 3.03 | -0.14 |
| Feb | 2.88 | 2.89 | -0.01 |
| Mar | 3.32 | 3.47 | -0.15 |
| Apr | 3.52 | 3.68 | -0.16 |
| May | 3.66 | 3.42 | 0.24 |
| Jun | 4.07 | 3.98 | 0.09 |
| Jul | 3.87 | 3.63 | 0.24 |
| Aug | 3.82 | 3.65 | 0.17 |
| Sep | 3.68 | 3.50 | 0.18 |
| Oct | 4.60 | 4.56 | 0.04 |
| Nov | 3.55 | 3.52 | 0.03 |
| Dec | 3.82 | 3.94 | -0.12 |
43.68 | 43.27 | 0.41 |