| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.75 | 2.76 | -0.01 |
| Feb | 2.23 | 2.31 | -0.08 |
| Mar | 3.10 | 3.11 | -0.01 |
| Apr | 3.95 | 3.96 | -0.01 |
| May | 4.39 | 4.25 | 0.14 |
| Jun | 4.66 | 4.47 | 0.19 |
| Jul | 4.05 | 4.14 | -0.09 |
| Aug | 3.90 | 3.86 | 0.04 |
| Sep | 3.14 | 3.25 | -0.11 |
| Oct | 3.00 | 2.95 | 0.05 |
| Nov | 3.21 | 3.22 | -0.01 |
| Dec | 2.57 | 2.66 | -0.09 |
40.95 | 40.94 | 0.01 |