| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.54 | 2.64 | -0.10 |
| Feb | 2.47 | 2.50 | -0.03 |
| Mar | 3.88 | 3.93 | -0.05 |
| Apr | 4.68 | 4.81 | -0.13 |
| May | 5.14 | 5.26 | -0.12 |
| Jun | 4.30 | 4.41 | -0.11 |
| Jul | 4.02 | 4.08 | -0.06 |
| Aug | 3.88 | 3.92 | -0.04 |
| Sep | 3.74 | 3.96 | -0.22 |
| Oct | 3.25 | 3.15 | 0.10 |
| Nov | 3.68 | 3.73 | -0.05 |
| Dec | 2.54 | 2.70 | -0.16 |
44.12 | 45.09 | -0.97 |