| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.54 | 3.56 | -0.02 |
| Feb | 3.65 | 3.68 | -0.03 |
| Mar | 4.05 | 4.17 | -0.12 |
| Apr | 3.76 | 3.94 | -0.18 |
| May | 4.36 | 4.67 | -0.31 |
| Jun | 3.99 | 3.95 | 0.04 |
| Jul | 2.48 | 2.44 | 0.04 |
| Aug | 2.68 | 2.62 | 0.06 |
| Sep | 3.29 | 3.11 | 0.18 |
| Oct | 4.90 | 4.96 | -0.06 |
| Nov | 3.55 | 3.57 | -0.02 |
| Dec | 4.30 | 4.26 | 0.04 |
44.55 | 44.93 | -0.38 |