| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.56 | 3.65 | -0.09 |
| Feb | 3.18 | 3.14 | 0.04 |
| Mar | 3.92 | 4.02 | -0.10 |
| Apr | 3.70 | 3.61 | 0.09 |
| May | 3.48 | 3.52 | -0.04 |
| Jun | 4.16 | 4.16 | 0.00 |
| Jul | 3.80 | 3.71 | 0.09 |
| Aug | 4.11 | 4.15 | -0.04 |
| Sep | 3.73 | 3.82 | -0.09 |
| Oct | 3.15 | 3.15 | 0.00 |
| Nov | 3.21 | 3.20 | 0.01 |
| Dec | 3.65 | 3.79 | -0.14 |
43.65 | 43.92 | -0.27 |