| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.00 | 3.84 | 0.16 |
| Feb | 3.69 | 3.75 | -0.06 |
| Mar | 4.15 | 4.26 | -0.11 |
| Apr | 2.97 | 3.20 | -0.23 |
| May | 3.20 | 3.06 | 0.14 |
| Jun | 4.62 | 4.67 | -0.05 |
| Jul | 4.57 | 4.41 | 0.16 |
| Aug | 4.66 | 4.90 | -0.24 |
| Sep | 3.73 | 3.68 | 0.05 |
| Oct | 2.69 | 2.67 | 0.02 |
| Nov | 2.83 | 2.99 | -0.16 |
| Dec | 3.97 | 3.94 | 0.03 |
45.08 | 45.37 | -0.29 |