| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.26 | 2.13 | 0.13 |
| Feb | 2.07 | 2.04 | 0.03 |
| Mar | 2.99 | 2.90 | 0.09 |
| Apr | 4.27 | 4.26 | 0.01 |
| May | 4.83 | 4.81 | 0.02 |
| Jun | 4.78 | 4.58 | 0.20 |
| Jul | 3.93 | 3.86 | 0.07 |
| Aug | 3.40 | 3.33 | 0.07 |
| Sep | 3.21 | 3.18 | 0.03 |
| Oct | 3.09 | 3.01 | 0.08 |
| Nov | 3.07 | 3.06 | 0.01 |
| Dec | 2.26 | 2.31 | -0.05 |
40.16 | 39.47 | 0.69 |