| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.18 | 3.26 | -0.08 |
| Feb | 2.73 | 2.82 | -0.09 |
| Mar | 3.67 | 3.82 | -0.15 |
| Apr | 4.40 | 4.51 | -0.11 |
| May | 4.78 | 4.83 | -0.05 |
| Jun | 4.56 | 4.40 | 0.16 |
| Jul | 4.05 | 4.01 | 0.04 |
| Aug | 3.40 | 3.13 | 0.27 |
| Sep | 3.11 | 3.07 | 0.04 |
| Oct | 3.14 | 3.12 | 0.02 |
| Nov | 3.00 | 3.11 | -0.11 |
| Dec | 3.33 | 3.40 | -0.07 |
43.35 | 43.48 | -0.13 |