| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.41 | 3.38 | 0.03 |
| Feb | 2.80 | 2.90 | -0.10 |
| Mar | 3.81 | 3.82 | -0.01 |
| Apr | 3.46 | 3.55 | -0.09 |
| May | 4.28 | 4.49 | -0.21 |
| Jun | 3.74 | 3.82 | -0.08 |
| Jul | 4.25 | 4.54 | -0.29 |
| Aug | 3.44 | 3.58 | -0.14 |
| Sep | 4.50 | 4.88 | -0.38 |
| Oct | 3.68 | 3.76 | -0.08 |
| Nov | 3.56 | 3.63 | -0.07 |
| Dec | 3.75 | 3.85 | -0.10 |
44.68 | 46.20 | -1.52 |