| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.50 | 3.58 | -0.08 |
| Feb | 2.80 | 2.86 | -0.06 |
| Mar | 4.17 | 4.14 | 0.03 |
| Apr | 3.51 | 3.56 | -0.05 |
| May | 3.54 | 3.65 | -0.11 |
| Jun | 4.45 | 4.38 | 0.07 |
| Jul | 4.74 | 4.72 | 0.02 |
| Aug | 4.40 | 4.68 | -0.28 |
| Sep | 4.70 | 5.13 | -0.43 |
| Oct | 3.39 | 3.40 | -0.01 |
| Nov | 3.30 | 3.35 | -0.05 |
| Dec | 3.43 | 3.47 | -0.04 |
45.93 | 46.92 | -0.99 |