| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.45 | 3.41 | 0.04 |
| Feb | 2.59 | 2.60 | -0.01 |
| Mar | 3.50 | 3.41 | 0.09 |
| Apr | 4.09 | 4.03 | 0.06 |
| May | 3.99 | 4.04 | -0.05 |
| Jun | 4.97 | 4.92 | 0.05 |
| Jul | 4.66 | 4.81 | -0.15 |
| Aug | 3.82 | 3.96 | -0.14 |
| Sep | 3.86 | 3.95 | -0.09 |
| Oct | 3.75 | 3.64 | 0.11 |
| Nov | 3.42 | 3.42 | 0.00 |
| Dec | 3.46 | 3.50 | -0.04 |
45.56 | 45.69 | -0.13 |