| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.16 | 3.19 | -0.03 |
| Feb | 2.72 | 2.68 | 0.04 |
| Mar | 3.81 | 3.82 | -0.01 |
| Apr | 4.44 | 4.42 | 0.02 |
| May | 4.60 | 4.58 | 0.02 |
| Jun | 4.65 | 4.48 | 0.17 |
| Jul | 4.26 | 4.08 | 0.18 |
| Aug | 3.28 | 3.21 | 0.07 |
| Sep | 3.01 | 3.07 | -0.06 |
| Oct | 3.10 | 3.09 | 0.01 |
| Nov | 3.00 | 3.04 | -0.04 |
| Dec | 3.40 | 3.34 | 0.06 |
43.43 | 43.00 | 0.43 |