| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.80 | 3.95 | -0.15 |
| Feb | 2.95 | 3.31 | -0.36 |
| Mar | 4.50 | 4.85 | -0.35 |
| Apr | 3.61 | 3.60 | 0.01 |
| May | 3.49 | 3.74 | -0.25 |
| Jun | 3.76 | 4.04 | -0.28 |
| Jul | 4.58 | 4.45 | 0.13 |
| Aug | 4.49 | 4.68 | -0.19 |
| Sep | 3.86 | 4.06 | -0.20 |
| Oct | 4.00 | 4.35 | -0.35 |
| Nov | 3.20 | 3.54 | -0.34 |
| Dec | 4.48 | 4.84 | -0.36 |
46.72 | 49.41 | -2.69 |