| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.62 | 3.74 | -0.12 |
| Feb | 3.13 | 3.23 | -0.10 |
| Mar | 3.88 | 4.09 | -0.21 |
| Apr | 3.60 | 3.64 | -0.04 |
| May | 3.52 | 3.46 | 0.06 |
| Jun | 4.14 | 4.16 | -0.02 |
| Jul | 3.80 | 3.88 | -0.08 |
| Aug | 4.04 | 4.16 | -0.12 |
| Sep | 3.70 | 3.84 | -0.14 |
| Oct | 3.13 | 3.22 | -0.09 |
| Nov | 3.23 | 3.29 | -0.06 |
| Dec | 3.60 | 3.77 | -0.17 |
43.39 | 44.48 | -1.09 |