| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.78 | 3.86 | -0.08 |
| Feb | 3.46 | 3.47 | -0.01 |
| Mar | 3.97 | 3.99 | -0.02 |
| Apr | 3.10 | 3.10 | 0.00 |
| May | 3.08 | 3.16 | -0.08 |
| Jun | 4.06 | 4.18 | -0.12 |
| Jul | 3.93 | 4.06 | -0.13 |
| Aug | 4.40 | 4.52 | -0.12 |
| Sep | 3.91 | 3.94 | -0.03 |
| Oct | 3.37 | 3.30 | 0.07 |
| Nov | 3.17 | 3.22 | -0.05 |
| Dec | 4.01 | 4.00 | 0.01 |
44.24 | 44.80 | -0.56 |