| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.35 | 4.43 | -0.08 |
| Feb | 4.13 | 4.14 | -0.01 |
| Mar | 4.58 | 4.73 | -0.15 |
| Apr | 3.39 | 3.37 | 0.02 |
| May | 2.83 | 2.70 | 0.13 |
| Jun | 5.60 | 5.50 | 0.10 |
| Jul | 5.47 | 5.43 | 0.04 |
| Aug | 4.85 | 5.10 | -0.25 |
| Sep | 4.41 | 4.33 | 0.08 |
| Oct | 2.95 | 2.92 | 0.03 |
| Nov | 2.59 | 2.73 | -0.14 |
| Dec | 3.97 | 3.80 | 0.17 |
49.12 | 49.18 | -0.06 |