| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.63 | 3.63 | 0.00 |
| Feb | 3.79 | 3.82 | -0.03 |
| Mar | 4.17 | 4.24 | -0.07 |
| Apr | 3.79 | 3.99 | -0.20 |
| May | 4.42 | 4.59 | -0.17 |
| Jun | 3.90 | 3.96 | -0.06 |
| Jul | 2.76 | 2.68 | 0.08 |
| Aug | 2.74 | 2.66 | 0.08 |
| Sep | 3.51 | 3.34 | 0.17 |
| Oct | 4.79 | 4.80 | -0.01 |
| Nov | 3.66 | 3.70 | -0.04 |
| Dec | 4.42 | 4.46 | -0.04 |
45.58 | 45.87 | -0.29 |