| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.53 | 3.74 | -0.21 |
| Feb | 3.42 | 3.66 | -0.24 |
| Mar | 3.61 | 3.70 | -0.09 |
| Apr | 3.31 | 3.40 | -0.09 |
| May | 3.65 | 3.77 | -0.12 |
| Jun | 5.30 | 5.28 | 0.02 |
| Jul | 5.31 | 5.59 | -0.28 |
| Aug | 5.47 | 5.62 | -0.15 |
| Sep | 4.87 | 4.88 | -0.01 |
| Oct | 3.91 | 3.91 | 0.00 |
| Nov | 2.89 | 2.87 | 0.02 |
| Dec | 3.63 | 3.55 | 0.08 |
48.90 | 49.97 | -1.07 |