| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.31 | 3.51 | -0.20 |
| Feb | 3.03 | 3.00 | 0.03 |
| Mar | 4.04 | 4.13 | -0.09 |
| Apr | 4.57 | 4.72 | -0.15 |
| May | 4.85 | 4.84 | 0.01 |
| Jun | 4.88 | 4.71 | 0.17 |
| Jul | 4.26 | 4.02 | 0.24 |
| Aug | 3.44 | 3.35 | 0.09 |
| Sep | 3.19 | 3.28 | -0.09 |
| Oct | 3.28 | 3.33 | -0.05 |
| Nov | 3.21 | 3.28 | -0.07 |
| Dec | 3.64 | 3.80 | -0.16 |
45.70 | 45.97 | -0.27 |