| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.00 | 3.78 | 0.22 |
| Feb | 3.69 | 3.72 | -0.03 |
| Mar | 4.15 | 4.22 | -0.07 |
| Apr | 2.97 | 3.20 | -0.23 |
| May | 3.20 | 3.06 | 0.14 |
| Jun | 4.62 | 4.68 | -0.06 |
| Jul | 4.57 | 4.37 | 0.20 |
| Aug | 4.66 | 4.88 | -0.22 |
| Sep | 3.73 | 3.60 | 0.13 |
| Oct | 2.69 | 2.62 | 0.07 |
| Nov | 2.83 | 2.97 | -0.14 |
| Dec | 3.97 | 3.89 | 0.08 |
45.08 | 44.99 | 0.09 |