| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.49 | 3.53 | -0.04 |
| Feb | 2.75 | 2.75 | 0.00 |
| Mar | 4.14 | 4.23 | -0.09 |
| Apr | 3.62 | 3.74 | -0.12 |
| May | 3.96 | 3.99 | -0.03 |
| Jun | 4.32 | 4.50 | -0.18 |
| Jul | 4.85 | 4.83 | 0.02 |
| Aug | 4.27 | 4.42 | -0.15 |
| Sep | 3.91 | 4.11 | -0.20 |
| Oct | 4.11 | 3.99 | 0.12 |
| Nov | 3.25 | 3.31 | -0.06 |
| Dec | 4.26 | 4.31 | -0.05 |
46.93 | 47.71 | -0.78 |