| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.48 | 3.65 | -0.17 |
| Feb | 2.96 | 3.07 | -0.11 |
| Mar | 3.92 | 3.96 | -0.04 |
| Apr | 3.72 | 4.07 | -0.35 |
| May | 3.76 | 3.68 | 0.08 |
| Jun | 4.12 | 4.04 | 0.08 |
| Jul | 4.16 | 4.23 | -0.07 |
| Aug | 3.99 | 4.43 | -0.44 |
| Sep | 3.94 | 4.01 | -0.07 |
| Oct | 2.98 | 3.25 | -0.27 |
| Nov | 3.20 | 3.28 | -0.08 |
| Dec | 3.63 | 3.83 | -0.20 |
43.86 | 45.50 | -1.64 |