| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.20 | 3.20 | 0.00 |
| Feb | 3.18 | 3.19 | -0.01 |
| Mar | 4.09 | 4.02 | 0.07 |
| Apr | 3.64 | 3.85 | -0.21 |
| May | 4.80 | 5.02 | -0.22 |
| Jun | 4.42 | 4.42 | 0.00 |
| Jul | 5.03 | 5.65 | -0.62 |
| Aug | 3.74 | 3.48 | 0.26 |
| Sep | 3.42 | 3.34 | 0.08 |
| Oct | 3.00 | 3.06 | -0.06 |
| Nov | 3.00 | 2.96 | 0.04 |
| Dec | 3.64 | 3.82 | -0.18 |
45.16 | 46.01 | -0.85 |