| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.40 | 3.56 | -0.16 |
| Feb | 2.83 | 2.82 | 0.01 |
| Mar | 4.03 | 4.30 | -0.27 |
| Apr | 3.64 | 3.62 | 0.02 |
| May | 3.71 | 3.67 | 0.04 |
| Jun | 4.28 | 4.20 | 0.08 |
| Jul | 4.78 | 4.76 | 0.02 |
| Aug | 4.45 | 4.76 | -0.31 |
| Sep | 3.95 | 3.95 | 0.00 |
| Oct | 3.84 | 4.05 | -0.21 |
| Nov | 3.21 | 3.25 | -0.04 |
| Dec | 4.10 | 4.35 | -0.25 |
46.22 | 47.29 | -1.07 |