| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.35 | 2.38 | -0.03 |
| Feb | 1.95 | 2.00 | -0.05 |
| Mar | 2.66 | 2.76 | -0.10 |
| Apr | 4.14 | 4.30 | -0.16 |
| May | 4.40 | 4.30 | 0.10 |
| Jun | 4.59 | 4.56 | 0.03 |
| Jul | 4.03 | 4.10 | -0.07 |
| Aug | 3.05 | 2.93 | 0.12 |
| Sep | 3.09 | 3.06 | 0.03 |
| Oct | 3.26 | 3.18 | 0.08 |
| Nov | 3.22 | 3.33 | -0.11 |
| Dec | 2.30 | 2.43 | -0.13 |
39.04 | 39.33 | -0.29 |