| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.70 | 4.54 | 0.16 |
| Feb | 4.83 | 4.81 | 0.02 |
| Mar | 4.68 | 4.78 | -0.10 |
| Apr | 3.96 | 4.07 | -0.11 |
| May | 2.92 | 2.92 | 0.00 |
| Jun | 5.05 | 4.59 | 0.46 |
| Jul | 5.61 | 5.69 | -0.08 |
| Aug | 4.76 | 4.65 | 0.11 |
| Sep | 3.95 | 3.92 | 0.03 |
| Oct | 2.70 | 2.80 | -0.10 |
| Nov | 3.25 | 3.38 | -0.13 |
| Dec | 5.17 | 4.95 | 0.22 |
51.58 | 51.10 | 0.48 |