| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.66 | 2.87 | -0.21 |
| Feb | 2.27 | 2.38 | -0.11 |
| Mar | 3.10 | 3.13 | -0.03 |
| Apr | 4.60 | 4.75 | -0.15 |
| May | 4.44 | 4.57 | -0.13 |
| Jun | 4.98 | 4.99 | -0.01 |
| Jul | 4.25 | 4.28 | -0.03 |
| Aug | 3.06 | 3.01 | 0.05 |
| Sep | 3.03 | 3.04 | -0.01 |
| Oct | 3.65 | 3.64 | 0.01 |
| Nov | 3.63 | 3.64 | -0.01 |
| Dec | 2.69 | 2.80 | -0.11 |
42.36 | 43.10 | -0.74 |