| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.36 | 3.28 | 0.08 |
| Feb | 3.28 | 3.35 | -0.07 |
| Mar | 4.02 | 3.96 | 0.06 |
| Apr | 4.40 | 4.33 | 0.07 |
| May | 3.76 | 3.58 | 0.18 |
| Jun | 4.45 | 4.64 | -0.19 |
| Jul | 3.78 | 3.95 | -0.17 |
| Aug | 3.63 | 3.59 | 0.04 |
| Sep | 3.87 | 3.84 | 0.03 |
| Oct | 5.30 | 5.38 | -0.08 |
| Nov | 4.40 | 4.27 | 0.13 |
| Dec | 4.46 | 4.48 | -0.02 |
48.71 | 48.65 | 0.06 |