| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.36 | 3.40 | -0.04 |
| Feb | 3.24 | 3.22 | 0.02 |
| Mar | 4.10 | 4.05 | 0.05 |
| Apr | 3.76 | 3.79 | -0.03 |
| May | 4.53 | 4.52 | 0.01 |
| Jun | 4.60 | 4.64 | -0.04 |
| Jul | 4.71 | 4.78 | -0.07 |
| Aug | 3.83 | 3.73 | 0.10 |
| Sep | 3.49 | 3.49 | 0.00 |
| Oct | 3.06 | 3.13 | -0.07 |
| Nov | 2.93 | 2.95 | -0.02 |
| Dec | 3.56 | 3.63 | -0.07 |
45.17 | 45.33 | -0.16 |