| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.54 | 3.55 | -0.01 |
| Feb | 3.24 | 3.11 | 0.13 |
| Mar | 4.00 | 3.75 | 0.25 |
| Apr | 3.81 | 3.49 | 0.32 |
| May | 3.66 | 3.60 | 0.06 |
| Jun | 4.24 | 4.26 | -0.02 |
| Jul | 3.82 | 3.66 | 0.16 |
| Aug | 4.19 | 4.13 | 0.06 |
| Sep | 3.77 | 3.83 | -0.06 |
| Oct | 3.19 | 3.17 | 0.02 |
| Nov | 3.21 | 2.99 | 0.22 |
| Dec | 3.73 | 3.80 | -0.07 |
44.40 | 43.34 | 1.06 |