| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.12 | 3.14 | -0.02 |
| Feb | 2.68 | 2.59 | 0.09 |
| Mar | 3.78 | 3.75 | 0.03 |
| Apr | 4.39 | 4.38 | 0.01 |
| May | 4.54 | 4.54 | 0.00 |
| Jun | 4.64 | 4.52 | 0.12 |
| Jul | 4.24 | 4.13 | 0.11 |
| Aug | 3.26 | 3.13 | 0.13 |
| Sep | 2.97 | 3.03 | -0.06 |
| Oct | 3.09 | 3.09 | 0.00 |
| Nov | 2.98 | 3.02 | -0.04 |
| Dec | 3.35 | 3.30 | 0.05 |
43.04 | 42.62 | 0.42 |