| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.95 | 3.87 | 0.08 |
| Feb | 3.74 | 3.84 | -0.10 |
| Mar | 4.39 | 4.47 | -0.08 |
| Apr | 2.92 | 2.92 | 0.00 |
| May | 3.23 | 3.21 | 0.02 |
| Jun | 4.56 | 4.69 | -0.13 |
| Jul | 4.25 | 4.28 | -0.03 |
| Aug | 4.43 | 4.60 | -0.17 |
| Sep | 3.55 | 3.59 | -0.04 |
| Oct | 2.73 | 2.79 | -0.06 |
| Nov | 3.13 | 3.17 | -0.04 |
| Dec | 4.02 | 3.95 | 0.07 |
44.90 | 45.38 | -0.48 |