| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.91 | 4.10 | -0.19 |
| Feb | 3.83 | 3.87 | -0.04 |
| Mar | 4.38 | 4.49 | -0.11 |
| Apr | 3.01 | 3.20 | -0.19 |
| May | 3.27 | 3.26 | 0.01 |
| Jun | 4.31 | 4.18 | 0.13 |
| Jul | 3.76 | 3.76 | 0.00 |
| Aug | 3.99 | 4.03 | -0.04 |
| Sep | 3.29 | 3.57 | -0.28 |
| Oct | 3.05 | 3.13 | -0.08 |
| Nov | 3.47 | 3.58 | -0.11 |
| Dec | 4.47 | 4.48 | -0.01 |
44.74 | 45.65 | -0.91 |