| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.24 | 2.71 | -0.47 |
| Feb | 1.88 | 2.02 | -0.14 |
| Mar | 2.23 | 2.21 | 0.02 |
| Apr | 3.54 | 3.55 | -0.01 |
| May | 3.59 | 3.58 | 0.01 |
| Jun | 3.44 | 3.26 | 0.18 |
| Jul | 3.07 | 2.84 | 0.23 |
| Aug | 3.12 | 3.03 | 0.09 |
| Sep | 2.99 | 3.12 | -0.13 |
| Oct | 3.91 | 3.76 | 0.15 |
| Nov | 2.90 | 2.96 | -0.06 |
| Dec | 2.32 | 2.70 | -0.38 |
35.23 | 35.74 | -0.51 |