| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.43 | 3.57 | -0.14 |
| Feb | 3.23 | 3.26 | -0.03 |
| Mar | 4.12 | 4.30 | -0.18 |
| Apr | 4.04 | 4.16 | -0.12 |
| May | 3.60 | 3.54 | 0.06 |
| Jun | 4.12 | 4.14 | -0.02 |
| Jul | 3.57 | 3.71 | -0.14 |
| Aug | 3.64 | 3.87 | -0.23 |
| Sep | 3.82 | 3.80 | 0.02 |
| Oct | 4.71 | 4.71 | 0.00 |
| Nov | 3.85 | 3.77 | 0.08 |
| Dec | 4.45 | 4.59 | -0.14 |
46.58 | 47.42 | -0.84 |