| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.56 | 3.60 | -0.04 |
| Feb | 2.83 | 2.99 | -0.16 |
| Mar | 4.04 | 4.14 | -0.10 |
| Apr | 3.96 | 3.94 | 0.02 |
| May | 4.17 | 4.18 | -0.01 |
| Jun | 4.49 | 4.62 | -0.13 |
| Jul | 4.97 | 5.06 | -0.09 |
| Aug | 4.52 | 4.59 | -0.07 |
| Sep | 4.49 | 4.50 | -0.01 |
| Oct | 4.29 | 4.51 | -0.22 |
| Nov | 3.38 | 3.43 | -0.05 |
| Dec | 4.23 | 4.42 | -0.19 |
48.93 | 49.98 | -1.05 |