| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.71 | 2.83 | -0.12 |
| Feb | 2.21 | 2.34 | -0.13 |
| Mar | 3.12 | 3.17 | -0.05 |
| Apr | 4.72 | 4.74 | -0.02 |
| May | 4.70 | 4.61 | 0.09 |
| Jun | 4.93 | 5.01 | -0.08 |
| Jul | 4.14 | 4.25 | -0.11 |
| Aug | 3.01 | 2.97 | 0.04 |
| Sep | 3.04 | 3.00 | 0.04 |
| Oct | 3.60 | 3.58 | 0.02 |
| Nov | 3.61 | 3.61 | 0.00 |
| Dec | 2.56 | 2.75 | -0.19 |
42.35 | 42.86 | -0.51 |