| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.46 | 2.26 | 0.20 |
| Feb | 1.94 | 1.88 | 0.06 |
| Mar | 2.42 | 2.19 | 0.23 |
| Apr | 2.99 | 3.02 | -0.03 |
| May | 3.36 | 3.36 | 0.00 |
| Jun | 3.97 | 3.96 | 0.01 |
| Jul | 4.12 | 3.68 | 0.44 |
| Aug | 3.73 | 3.54 | 0.19 |
| Sep | 3.25 | 3.07 | 0.18 |
| Oct | 3.69 | 3.85 | -0.16 |
| Nov | 2.75 | 2.71 | 0.04 |
| Dec | 2.78 | 2.90 | -0.12 |
37.46 | 36.42 | 1.04 |