| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.22 | 3.21 | 0.01 |
| Feb | 2.71 | 2.68 | 0.03 |
| Mar | 3.82 | 3.78 | 0.04 |
| Apr | 4.44 | 4.44 | 0.00 |
| May | 4.61 | 4.69 | -0.08 |
| Jun | 4.73 | 4.57 | 0.16 |
| Jul | 4.07 | 4.11 | -0.04 |
| Aug | 3.30 | 3.21 | 0.09 |
| Sep | 3.05 | 3.04 | 0.01 |
| Oct | 3.12 | 3.07 | 0.05 |
| Nov | 3.02 | 3.05 | -0.03 |
| Dec | 3.41 | 3.35 | 0.06 |
43.50 | 43.20 | 0.30 |